$473+ Cheap flights from London (LON) to Chicago (CHI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CHI
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Find cheap flights from London to Chicago with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from London to Chicago are usually found in February or January, booked 63 days in advance, depart on a Friday or Thursday and return on a Tuesday
Cheap flight deals from London to Chicago
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Last-minute
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Cheapest flights from London to ChicagoExplore the most affordable flight options available from London to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
Explore the most affordable flight options available from London to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
This Icelandair deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:40 pm -
1 stop32h 35m
Sat 11/76:30 pm -
1 stop10h 25m
Deal found 9/22![Icelandair logo]()
$717
This Gotogate deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:15 am -
1 stop13h 00m
Mon 11/236:50 pm -
1 stop12h 00m
Deal found 9/21![SWISS logo]()
$717
This deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:10 am -
Nonstop8h 40m
Tue 10/137:05 pm -
Nonstop8h 00m
Deal found 9/22![British Airways logo]()
$717
This Mytrip deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/73:35 pm -
2 stops28h 50m
Sat 11/146:25 pm -
2 stops20h 40m
Deal found 9/23![Multiple Airlines logo]()
$718
This Icelandair deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:25 pm -
1 stop26h 50m
Wed 11/46:30 pm -
1 stop19h 00m
Deal found 9/22![Icelandair logo]()
$718
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1912:40 pm -
1 stop12h 35m
Thu 10/294:55 pm -
1 stop10h 35m
Deal found 9/21![Multiple Airlines logo]()
$719
This Cheapflightsfares deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:00 am -
1 stop14h 00m
Sun 11/85:45 pm -
Nonstop8h 10m
Deal found 9/22![Austrian Airlines logo]()
$719
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:35 am -
1 stop13h 35m
Mon 11/164:10 pm -
1 stop13h 05m
Deal found 9/22![United Airlines logo]()
$720
This SWISS deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:40 am -
1 stop13h 15m
Thu 11/56:50 pm -
1 stop15h 30m
Deal found 9/22![SWISS logo]()
$721
This TravelUp deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:45 am -
1 stop12h 25m
Thu 11/53:55 pm -
1 stop10h 40m
Deal found 9/18![British Airways logo]()
$722
This Austrian Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:05 am -
1 stop34h 55m
Wed 12/23:45 pm -
Nonstop8h 10m
Deal found 9/21![Austrian Airlines logo]()
$722
This Mytrip deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:55 am -
2 stops25h 51m
Wed 11/117:28 pm -
3 stops33h 27m
Deal found 9/19![Multiple Airlines logo]()
$723
Best flights from London to ChicagoDiscover carefully curated flight deals from London to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from London to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:35 am -
1 stop13h 35m
Mon 11/164:10 pm -
1 stop13h 05m
Deal found 9/22![United Airlines logo]()
$719
This SWISS deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:40 pm -
1 stop27h 35m
Mon 11/164:10 pm -
2 stops15h 30m
Deal found 9/22![SWISS logo]()
$745
This British Airways deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:50 am -
1 stop13h 20m
Tue 12/88:05 pm -
1 stop10h 35m
Deal found 9/19![British Airways logo]()
$751
This Scandinavian Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:40 pm -
1 stop27h 30m
Sun 10/258:10 pm -
1 stop17h 20m
Deal found 9/22![Scandinavian Airlines logo]()
$770
This Virgin Atlantic deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:40 am -
2 stops15h 24m
Mon 11/231:05 pm -
1 stop12h 45m
Deal found 9/18![Virgin Atlantic logo]()
$781
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:30 am -
2 stops16h 09m
Wed 12/211:28 am -
1 stop14h 22m
Deal found 9/18![Delta logo]()
$781
This Vueling Global deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:45 pm -
2 stops23h 10m
Sun 11/295:40 pm -
2 stops33h 30m
Deal found 9/18![Multiple Airlines logo]()
$815
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:05 pm -
2 stops30h 35m
Sat 10/106:05 pm -
2 stops44h 20m
Deal found 9/22![TAP AIR PORTUGAL logo]()
$849
This Turkish Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:20 pm -
1 stop22h 40m
Tue 11/178:15 pm -
1 stop38h 05m
Deal found 9/23![Turkish Airlines logo]()
$961
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:00 am -
1 stop13h 15m
Thu 11/123:45 pm -
Nonstop8h 10m
Deal found 9/22![United Airlines logo]()
$723
This SWISS deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/179:15 am -
2 stops15h 00m
Wed 1/134:10 pm -
1 stop14h 40m
Deal found 9/19![SWISS logo]()
$778
This Virgin Atlantic deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:40 am -
2 stops15h 20m
Sat 11/149:30 am -
2 stops15h 20m
Deal found 9/22![Virgin Atlantic logo]()
$781
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/98:40 am -
2 stops15h 57m
Tue 3/231:00 pm -
2 stops12h 20m
Deal found 9/20![Delta logo]()
$795
This British Airways deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:25 pm -
1 stop11h 50m
Wed 10/216:00 pm -
Nonstop7h 55m
Deal found 9/22![British Airways logo]()
$798
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:45 am -
1 stop13h 10m
Tue 11/173:45 pm -
Nonstop8h 10m
Deal found 9/20![United Airlines logo]()
$769
This SWISS deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:15 am -
2 stops15h 00m
Mon 11/164:10 pm -
1 stop14h 40m
Deal found 9/22![SWISS logo]()
$779
This Virgin Atlantic deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:20 am -
2 stops17h 40m
Mon 11/161:05 pm -
1 stop13h 55m
Deal found 9/22![Virgin Atlantic logo]()
$789
This Scandinavian Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/225:30 pm -
2 stops53h 15m
Fri 1/17:15 pm -
1 stop14h 45m
Deal found 9/19![Scandinavian Airlines logo]()
$892
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/174:35 pm -
1 stop28h 55m
Tue 12/15:46 pm -
2 stops33h 39m
Deal found 9/18![Multiple Airlines logo]()
$902
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:15 pm -
2 stops45h 25m
Sat 10/246:05 pm -
1 stop34h 45m
Deal found 9/22![TAP AIR PORTUGAL logo]()
$951
This Virgin Atlantic deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/16:30 am -
2 stops16h 20m
Mon 3/81:00 pm -
2 stops13h 05m
Deal found 9/19![Virgin Atlantic logo]()
$794
This Turkish Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:55 am -
1 stop38h 25m
Mon 11/168:15 pm -
1 stop31h 40m
Deal found 9/22![Turkish Airlines logo]()
$961
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/306:00 pm -
1 stop21h 08m
Wed 1/63:45 pm -
Nonstop8h 10m
Deal found 9/22![United Airlines logo]()
$818
This SWISS deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:15 am -
2 stops15h 00m
Mon 11/303:40 pm -
2 stops15h 10m
Deal found 9/19![SWISS logo]()
$820
This Scandinavian Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/299:05 pm -
2 stops25h 40m
Fri 12/46:00 am -
2 stops21h 20m
Deal found 9/22![Scandinavian Airlines logo]()
$908
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:35 pm -
1 stop28h 55m
Wed 12/25:46 pm -
2 stops34h 04m
Deal found 9/21![Multiple Airlines logo]()
$916
This Turkish Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:20 pm -
1 stop23h 40m
Tue 11/108:15 pm -
1 stop38h 05m
Deal found 9/19![Turkish Airlines logo]()
$963
This Virgin Atlantic deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:00 am -
1 stop12h 15m
Sat 11/149:59 am -
2 stops17h 01m
Deal found 9/22![Virgin Atlantic logo]()
$797
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/174:00 pm -
1 stop29h 30m
Wed 12/307:00 pm -
1 stop32h 50m
Deal found 9/21![TAP AIR PORTUGAL logo]()
$995
This Norse deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:00 pm -
1 stop14h 59m
Mon 9/2811:15 am -
1 stop16h 45m
Deal found 9/22![Multiple Airlines logo]()
$922
Last-minute flights from London to ChicagoDiscover last-minute flight deals from London to Chicago. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from London to Chicago. Data last updated September 23, 2026 and is based on user searches.
This deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:10 am -
Nonstop8h 40m
Tue 10/137:05 pm -
Nonstop8h 00m
Deal found 9/22![British Airways logo]()
$717
This deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:10 am -
Nonstop8h 40m
Tue 10/135:00 pm -
Nonstop7h 50m
Deal found 9/22![British Airways logo]()
$720
This SWISS deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:40 am -
1 stop13h 15m
Thu 11/56:50 pm -
1 stop15h 30m
Deal found 9/22![SWISS logo]()
$721
This Globehunters deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:50 am -
1 stop11h 10m
Wed 10/216:05 pm -
Nonstop8h 25m
Deal found 9/18![Brussels Airlines logo]()
$724
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1912:40 pm -
1 stop12h 35m
Thu 10/294:55 pm -
1 stop10h 35m
Deal found 9/21![Multiple Airlines logo]()
$719
This Icelandair deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:25 pm -
1 stop26h 50m
Wed 11/46:30 pm -
1 stop19h 00m
Deal found 9/22![Icelandair logo]()
$718
This Icelandair deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:40 pm -
1 stop32h 35m
Sat 11/76:30 pm -
1 stop10h 25m
Deal found 9/22![Icelandair logo]()
$717
This Cheapflightsfares deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:00 am -
1 stop14h 00m
Sat 11/145:45 pm -
Nonstop8h 10m
Deal found 9/22![Austrian Airlines logo]()
$719
This Mytrip deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:55 am -
2 stops25h 51m
Wed 11/117:28 pm -
3 stops33h 27m
Deal found 9/19![Multiple Airlines logo]()
$723
This TravelUp deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:45 am -
1 stop12h 25m
Thu 11/53:55 pm -
1 stop10h 40m
Deal found 9/18![British Airways logo]()
$722
This Scandinavian Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:40 am -
2 stops16h 05m
Wed 11/47:10 pm -
2 stops20h 10m
Deal found 9/22![Scandinavian Airlines logo]()
$722
This Gotogate deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:40 am -
2 stops16h 05m
Thu 11/57:15 pm -
2 stops15h 10m
Deal found 9/18![Scandinavian Airlines logo]()
$723
One-way flights from London to ChicagoSearch for one-way flight options from London to Chicago. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from London to Chicago. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This SWISS deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:10 pm -
1 stop29h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![SWISS logo]()
$473
This Austrian Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/19:05 am -
1 stop34h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Austrian Airlines logo]()
$474
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:35 pm -
1 stop26h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$475
This Flightnetwork deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:15 am -
1 stop13h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![SWISS logo]()
$475
This SWISS deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:40 pm -
1 stop27h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![SWISS logo]()
$475
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:20 am -
1 stop36h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$475
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:00 am -
2 stops39h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$476
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:20 am -
2 stops34h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$476
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:20 pm -
3 stops29h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$477
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/309:15 am -
1 stop35h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$477
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3012:55 pm -
3 stops33h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$478
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/137:30 pm -
2 stops29h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$478
Find flight deals from London to Chicago
Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $717 (Icelandair) |
One-way from | $473 (SWISS) |
Popular in | August |
Cheapest in | February |
Average price | $834 |
Good round-trip deal | $871 or less |
Good one-way deal | $714 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from London to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 23, 2026.
Use the filters below to find and compare flights from London to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LondonChicago
LHR London Heathrow - ORD Chicago O'Hare Intl
LHRORD
London Heathrow
Mon 11/16
5:10 pm-4:15 pm
1 stop29h 05m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$479
LondonChicago
LGW London Gatwick - ORD Chicago O'Hare Intl
LGWORD
London Gatwick
Sun 11/22
6:40 pm-4:15 pm
1 stop27h 35m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$480
LondonChicago
LHR London Heathrow - ORD Chicago O'Hare Intl
LHRORD
London Heathrow
Sun 1/24
8:05 pm-4:15 pm
1 stop26h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$490
LondonChicago
LGW London Gatwick - ORD Chicago O'Hare Intl
LGWORD
London Gatwick
Sun 11/1
12:35 pm-8:46 am
1 stop26h 11m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$513
LondonChicago
STN London Stansted - ORD Chicago O'Hare Intl
STNORD
London Stansted
Mon 10/5
7:25 am-12:23 am
3 stops46h 58m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$513
LondonChicago
LHR London Heathrow - ORD Chicago O'Hare Intl
LHRORD
London Heathrow
Thu 3/18
8:05 pm-5:15 pm
1 stop26h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$516
LondonChicago
STN London Stansted - ORD Chicago O'Hare Intl
STNORD
London Stansted
Thu 10/1
11:05 am-12:45 am
3 stops43h 40m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$521
LondonChicago
STN London Stansted - ORD Chicago O'Hare Intl
STNORD
London Stansted
Fri 10/9
6:00 am-9:15 pm
2 stops45h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$533
LondonChicago
LHR London Heathrow - ORD Chicago O'Hare Intl
LHRORD
London Heathrow
Mon 2/15
7:30 am-9:47 pm
2 stops20h 17m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$539
LondonChicago
LHR London Heathrow - ORD Chicago O'Hare Intl
LHRORD
London Heathrow
Fri 11/20
12:15 pm-5:20 pm
1 stop11h 05m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$539
Showing 1-10 of 60 resultsSorted by cheapest first
Compare providers for flights from London to Chicago
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to Chicago in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on London-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Chicago flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on London-Chicago flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from London to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from London with our price prediction graph.
LON-CHI
LGW-ORD
LHR-ORD
LCY-ORD
STN-ORD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from London to Chicago
LON-CHI
LGW-ORD
LHR-ORD
LCY-ORD
STN-ORD
What is the cheapest month to book a flight from London to Chicago?
Currently, February is the cheapest month in which you can book a flight from London to Chicago (average of $646). Flying from London to Chicago in August is currently the most expensive (average of $1,065). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LON to CHI?
Find hourly flight availability from London to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 23, 2026.
When flying from London to Chicago, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from London to Chicago
Explore weekly flight availability from London to Chicago. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 23, 2026.
The most flights from LON to CHI are scheduled on a Tuesday (43 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (42 on average).
How much does it cost to fly round-trip from London to Chicago?
Airfare is typical for this route at the moment.
London to Chicago flights typically cost between $690 and $961 in October.The cheapest round-trip price found within the last 5 days was $717 on Icelandair (Oct 21-Nov 7).
What’s the top layover airport for flights from London to Chicago?
Share of 1-stop round-trip flights from London to Chicago chosen by Cheapflights users in the past 12 months, using the same layover each way.
Reykjavik (KEF) – chosen by Cheapflights users on 67% of 1-stop itineraries from London to Chicago on Cheapflights.
What’s the cheapest layover airport for flights from London to Chicago?
Average round-trip fare for 1-stop flights from London to Chicago, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Lisbon (LIS) is the most affordable 1-stop option, with an average round-trip price of $610.
What’s the fastest layover option from London to Chicago?
Shortest average travel time for 1-stop one-way flights from London to Chicago, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 11h 09m.
Which airport typically offers the quickest layover for flights from London to Chicago?
Average layover duration for 1-stop one-way flights from London to Chicago, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 03m.
How often are flights from London to Chicago delayed?
About 9% of weekly flights between London and Chicago have experienced delays in the past year, with the average delay time being 183 minutes.
What is the most punctual flight time for London to Chicago flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Sunday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Chicago flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 5% of flights being delayed.
How far ahead should I book a flight from London to Chicago?
The best time to book flights from London to Chicago is 62 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated September 23, 2026.
See what other customers who have flown with United Airlines,Aer Lingus, andIcelandair from London to Chicago have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Boarding
7.7
Crew
8.1
Food
6.7
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Overall
7.4
Boarding
7.7
Crew
8.1
Food
6.7
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Overall
7.4
Boarding
7.7
Crew
8.1
Food
6.7
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Overall
7.4
Boarding
7.7
Crew
8.1
Food
6.7
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Overall
7.4
Boarding
7.7
Crew
8.1
Food
6.7
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Overall
7.4
Boarding
7.7
Crew
8.1
Food
6.7
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from London to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsBenton Harbor
Lansing
Merrillville
Valparaiso
Hammond
Saint Joseph
Porter
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Other flights to Chicago
Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Complete your trip
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London and Chicago flights
Browse other London and Chicago flight options. Last updated on September 23, 2026.
Other flights from London
Browse through other flights departing from London. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 8 airlines flying from London to Chicago
Discover the top 8 airlines that operate flights from London to Chicago. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$421 | Average$662 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$530 | Average$931 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$579 | Average$909 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$583 | Average$945 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$666 | Average$704 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$703 | Average$850 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$706 | Average$1,132 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$806 | Average$895 | FlexibilityNo cancel fee | On-timeN/A |