$465+ Cheap flights from London (LON) to O'Hare Intl (ORD)
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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ORD
Oct 19 — Oct 261
Round-trip
1 adult, Economy
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Find cheap flights from London to O'Hare Intl 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 O'Hare Intl are usually found in February or January, booked 63 days in advance, depart on a Thursday or Friday and return on a Tuesday
Cheap flight deals from London to O'Hare Intl
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Cheapest flights from London to O'Hare IntlExplore the most affordable flight options available from London to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.
Explore the most affordable flight options available from London to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:00 am -
1 stop14h 00m
Thu 11/59:50 pm -
Nonstop8h 10m
Deal found 9/14![Austrian Airlines logo]()
$711
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 Cheapflightsfares 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 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 9/18![Austrian Airlines logo]()
$722
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:20 pm -
2 stops28h 10m
Sat 11/146:30 pm -
2 stops21h 45m
Deal found 9/18![Multiple Airlines logo]()
$723
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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.
Sat 10/316:00 am -
1 stop14h 00m
Wed 11/45:45 pm -
Nonstop8h 10m
Deal found 9/17![Austrian Airlines logo]()
$723
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 Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:50 pm -
2 stops30h 25m
Tue 10/207:25 pm -
2 stops14h 55m
Deal found 9/18![Multiple Airlines logo]()
$725
This Globehunters deal was found by Cheapflights users on 9/17. 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.
Tue 10/67:25 am -
1 stop12h 40m
Tue 10/132:30 pm -
1 stop15h 55m
Deal found 9/17![Lufthansa logo]()
$725
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Thu 10/156:30 am -
1 stop13h 30m
Thu 10/223:45 pm -
1 stop10h 05m
Deal found 9/17![Multiple Airlines logo]()
$725
This Gotogate deal was found by Cheapflights users on 9/16. 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.
Wed 11/49:15 am -
1 stop13h 00m
Sun 11/86:50 pm -
1 stop12h 00m
Deal found 9/16![SWISS logo]()
$726
This Justfly.com deal was found by Cheapflights users on 9/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:40 am -
1 stop12h 20m
Thu 10/159:00 pm -
1 stop12h 00m
Deal found 9/16![Aer Lingus logo]()
$726
This Mytrip deal was found by Cheapflights users on 9/16. 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 10/98:00 am -
2 stops36h 00m
Sat 10/173:45 pm -
2 stops16h 20m
Deal found 9/16![Multiple Airlines logo]()
$726
Best flights from London to O'Hare IntlDiscover carefully curated flight deals from London to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.
Discover carefully curated flight deals from London to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:20 pm -
2 stops28h 10m
Sat 11/146:30 pm -
2 stops21h 45m
Deal found 9/18![Multiple Airlines logo]()
$723
This British Airways deal was found by Cheapflights users on 9/17. 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 9/308:50 am -
1 stop11h 10m
Sat 10/106:35 pm -
Nonstop8h 00m
Deal found 9/17![British Airways logo]()
$734
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:50 am -
1 stop11h 10m
Mon 10/57:05 pm -
1 stop15h 20m
Deal found 9/18![United Airlines logo]()
$738
This SWISS deal was found by Cheapflights users on 9/17. 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 9/17![SWISS logo]()
$782
This Scandinavian Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/307:30 pm -
1 stop27h 15m
Fri 11/67:15 pm -
2 stops31h 40m
Deal found 9/15![Scandinavian Airlines logo]()
$785
This Delta deal was found by Cheapflights users on 9/14. 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.
Thu 10/19:55 am -
2 stops16h 35m
Thu 10/1511:21 am -
1 stop19h 54m
Deal found 9/14![Delta logo]()
$790
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.
Mon 11/210:00 am -
1 stop12h 15m
Mon 11/1611:35 am -
2 stops15h 25m
Deal found 9/18![Virgin Atlantic logo]()
$798
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.
Wed 9/304:25 pm -
1 stop26h 15m
Sat 10/311:00 pm -
2 stops15h 50m
Deal found 9/18![TAP AIR PORTUGAL logo]()
$879
This Icelandair deal was found by Cheapflights users on 9/16. 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.
Mon 11/211:55 am -
1 stop11h 25m
Tue 11/106:30 pm -
1 stop10h 25m
Deal found 9/16![Icelandair logo]()
$936
This Turkish Airlines deal was found by Cheapflights users on 9/15. 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.
Sun 2/285:20 pm -
1 stop22h 40m
Thu 3/411:45 am -
1 stop16h 10m
Deal found 9/15![Turkish Airlines logo]()
$946
This British Airways deal was found by Cheapflights users on 9/17. 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.
Sat 11/217:45 am -
1 stop12h 25m
Wed 12/28:05 pm -
1 stop10h 35m
Deal found 9/17![British Airways logo]()
$756
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:25 am -
Nonstop9h 20m
Mon 11/233:45 pm -
Nonstop8h 10m
Deal found 9/18![United Airlines logo]()
$762
This Mytrip deal was found by Cheapflights users on 9/14. 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 11/216:35 am -
2 stops16h 45m
Mon 11/306:30 pm -
2 stops17h 30m
Deal found 9/14![Multiple Airlines logo]()
$770
This SWISS deal was found by Cheapflights users on 9/16. 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 11/29:00 am -
2 stops15h 15m
Mon 11/164:10 pm -
2 stops15h 30m
Deal found 9/16![SWISS logo]()
$796
This Delta deal was found by Cheapflights users on 9/17. 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.
Mon 11/210:00 am -
2 stops19h 57m
Mon 11/96:23 am -
2 stops20h 37m
Deal found 9/17![Delta logo]()
$802
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.
Fri 1/1510:00 am -
2 stops29h 24m
Tue 1/267:00 am -
2 stops20h 00m
Deal found 9/18![Virgin Atlantic logo]()
$812
This British Airways deal was found by Cheapflights users on 9/14. 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.
Thu 12/36:50 am -
1 stop13h 20m
Mon 12/78:05 pm -
1 stop10h 35m
Deal found 9/14![British Airways logo]()
$758
This Connections by easyJet 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:00 am -
1 stop17h 20m
Sun 11/296:30 pm -
1 stop14h 35m
Deal found 9/18![Multiple Airlines logo]()
$787
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/14. 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 10/214:25 pm -
1 stop26h 15m
Mon 11/21:00 pm -
2 stops20h 45m
Deal found 9/14![TAP AIR PORTUGAL logo]()
$881
This United Airlines deal was found by Cheapflights users on 9/15. 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 12/106:35 am -
1 stop17h 50m
Tue 1/58:50 pm -
1 stop27h 40m
Deal found 9/15![United Airlines logo]()
$801
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.
Sat 2/134:45 pm -
1 stop29h 30m
Sun 2/216:25 pm -
1 stop15h 20m
Deal found 9/18![Virgin Atlantic logo]()
$820
This SWISS deal was found by Cheapflights users on 9/15. 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.
Fri 10/309:00 am -
2 stops15h 15m
Fri 11/69:35 pm -
2 stops14h 15m
Deal found 9/15![SWISS logo]()
$861
This Turkish Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/105:45 pm -
1 stop21h 55m
Mon 10/1911:25 am -
1 stop23h 15m
Deal found 9/14![Turkish Airlines logo]()
$953
This Mytrip deal was found by Cheapflights users on 9/15. 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 10/25:50 pm -
2 stops26h 10m
Tue 10/63:45 pm -
2 stops20h 20m
Deal found 9/15![Multiple Airlines logo]()
$792
This British Airways deal was found by Cheapflights users on 9/16. 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.
Mon 11/211:00 am -
Nonstop8h 45m
Fri 11/135:10 pm -
Nonstop7h 45m
Deal found 9/16![British Airways logo]()
$800
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/168:40 am -
1 stop13h 15m
Sun 10/184:25 pm -
Nonstop8h 20m
Deal found 9/15![United Airlines logo]()
$805
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.
Sat 2/138:40 am -
1 stop11h 45m
Sun 2/219:50 am -
2 stops17h 00m
Deal found 9/18![Virgin Atlantic logo]()
$825
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:15 am -
2 stops15h 00m
Wed 12/24:10 pm -
1 stop14h 40m
Deal found 9/18![SWISS logo]()
$863
This Turkish Airlines 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 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 9/18![Turkish Airlines logo]()
$961
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:35 am -
1 stop16h 45m
Sat 11/286:30 pm -
2 stops19h 05m
Deal found 9/18![Multiple Airlines logo]()
$802
Last-minute flights from London to O'Hare IntlDiscover last-minute flight deals from London to O'Hare Intl. Data last updated September 19, 2026 and is based on user searches.
Discover last-minute flight deals from London to O'Hare Intl. Data last updated September 19, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 9/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:00 pm -
1 stop13h 15m
Sat 10/39:00 pm -
1 stop10h 30m
Deal found 9/16![Aer Lingus logo]()
$726
This Globehunters deal was found by Cheapflights users on 9/17. 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.
Tue 10/67:25 am -
1 stop12h 40m
Tue 10/132:30 pm -
1 stop15h 55m
Deal found 9/17![Lufthansa logo]()
$725
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 Mytrip deal was found by Cheapflights users on 9/16. 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 10/98:00 am -
2 stops36h 00m
Sat 10/173:45 pm -
2 stops16h 20m
Deal found 9/16![Multiple Airlines logo]()
$726
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:50 pm -
2 stops30h 25m
Tue 10/207:25 pm -
2 stops14h 55m
Deal found 9/18![Multiple Airlines logo]()
$725
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Thu 10/156:30 am -
1 stop13h 30m
Thu 10/223:45 pm -
1 stop10h 05m
Deal found 9/17![Multiple Airlines logo]()
$725
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Thu 10/151:00 pm -
1 stop12h 15m
Thu 10/223:45 pm -
1 stop11h 45m
Deal found 9/17![Multiple Airlines logo]()
$727
This Cheapflightsfares 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 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 9/18![Austrian Airlines logo]()
$722
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/286:35 am -
1 stop13h 35m
Wed 11/43:45 pm -
Nonstop8h 10m
Deal found 9/15![United Airlines logo]()
$727
This TravelUp deal was found by Cheapflights users on 9/16. 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.
Thu 10/296:50 am -
1 stop13h 20m
Thu 11/53:55 pm -
1 stop10h 40m
Deal found 9/16![British Airways logo]()
$727
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 Cheapflightsfares deal was found by Cheapflights users on 9/17. 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.
Sat 10/316:00 am -
1 stop14h 00m
Wed 11/45:45 pm -
Nonstop8h 10m
Deal found 9/17![Austrian Airlines logo]()
$723
One-way flights from London to O'Hare IntlSearch for one-way flight options from London to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
Search for one-way flight options from London to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 11/166:50 pm -
2 stops26h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$465
This SWISS deal was found by Cheapflights users on 9/15. 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.
Sun 11/16:40 pm -
1 stop27h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![SWISS logo]()
$466
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:35 am -
1 stop13h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![SWISS logo]()
$467
This Expedia deal was found by Cheapflights users on 9/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:45 am -
1 stop15h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Lufthansa logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Thu 12/105:20 pm -
2 stops28h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$468
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Fri 1/158:10 pm -
3 stops29h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$468
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Thu 11/199:05 pm -
3 stops26h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$468
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 11/24:20 pm -
3 stops53h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$469
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 11/46:40 am -
1 stop16h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Scandinavian Airlines logo]()
$469
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Thu 11/268:55 am -
3 stops36h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$469
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Fri 11/139:15 pm -
3 stops27h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$469
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 11/307:05 am -
3 stops39h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$470
Find flight deals from London to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to O'Hare Intl (ORD). 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 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $711 (Expedia) |
One-way from | $465 (Kiwi.com) |
Popular in | August |
Cheapest in | February |
Average price | $835 |
Good round-trip deal | $874 or less |
Good one-way deal | $684 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from London to O'Hare Intl 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 19, 2026.
Use the filters below to find and compare flights from London to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LondonChicago
STN London Stansted - ORD Chicago O'Hare Intl
STNORD
London Stansted
Sun 1/31
6:30 pm-2:55 pm
3 stops26h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$469
LondonChicago
SEN London Southend - ORD Chicago O'Hare Intl
SENORD
London Southend
Sun 1/31
7:05 am-7:15 pm
2 stops18h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$473
LondonChicago
SEN London Southend - ORD Chicago O'Hare Intl
SENORD
London Southend
Fri 12/11
7:05 am-2:25 pm
3 stops37h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$474
LondonChicago
LTN London Luton - ORD Chicago O'Hare Intl
LTNORD
London Luton
Sun 1/31
7:45 am-2:55 pm
1 stop37h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$474
LondonChicago
SEN London Southend - ORD Chicago O'Hare Intl
SENORD
London Southend
Tue 11/3
3:50 pm-3:30 pm
3 stops29h 40m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$476
LondonChicago
LTN London Luton - ORD Chicago O'Hare Intl
LTNORD
London Luton
Thu 12/24
12:15 pm-3:30 pm
2 stops33h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$477
LondonChicago
SEN London Southend - ORD Chicago O'Hare Intl
SENORD
London Southend
Thu 12/10
5:20 pm-3:30 pm
2 stops28h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$479
LondonChicago
SEN London Southend - ORD Chicago O'Hare Intl
SENORD
London Southend
Mon 11/2
7:20 am-6:20 pm
2 stops41h 00m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$485
LondonChicago
SEN London Southend - ORD Chicago O'Hare Intl
SENORD
London Southend
Wed 12/9
7:10 am-6:20 pm
2 stops17h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$498
LondonChicago
STN London Stansted - ORD Chicago O'Hare Intl
STNORD
London Stansted
Mon 10/12
3:00 pm-7:15 pm
3 stops58h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$505
Showing 1-10 of 60 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on London-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on London-Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from London with our price prediction graph.
LON-ORD
LHR-ORD
LGW-ORD
SEN-ORD
LTN-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 O'Hare Intl Airport
LON-ORD
LHR-ORD
LGW-ORD
SEN-ORD
LTN-ORD
What is the cheapest month to book a flight from London to Chicago O'Hare Intl Airport?
Currently, February is the cheapest month in which you can book a flight from London to Chicago O'Hare Intl Airport (average of $662). Flying from London to Chicago O'Hare Intl Airport in August is currently the most expensive (average of $1,095). 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 ORD?
Find hourly flight availability from London to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 19, 2026.
When flying from London to Chicago O'Hare Intl Airport, 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 O'Hare Intl Airport
Explore weekly flight availability from London to O'Hare Intl. 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 19, 2026.
The most flights from LON to ORD are scheduled on a Thursday (49 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (39 on average).
How much does it cost to fly round-trip from London to Chicago O'Hare Intl Airport?
Airfare is typical for this route at the moment.
London to Chicago O'Hare Intl Airport flights typically cost between $716 and $956 in October.The cheapest round-trip price found within the last 5 days was $722 on British Airways (Oct 31-Nov 5).
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 O'Hare Intl Airport?
The best time to book flights from London to Chicago O'Hare Intl Airport is 79 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.
The best insider tips for London to Chicago O'Hare Intl Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your London to Chicago O'Hare Intl Airport trip
Our travel experts
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated September 19, 2026.
Peruse reviews from past customers who have flown with United Airlines,American Airlines, andIcelandair from London to Chicago O'Hare Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Food
6.7
Comfort
7.3
Boarding
7.7
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Food
6.7
Comfort
7.3
Boarding
7.7
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Food
6.7
Comfort
7.3
Boarding
7.7
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Food
6.7
Comfort
7.3
Boarding
7.7
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Food
6.7
Comfort
7.3
Boarding
7.7
Crew
8.1
Overall
7.4
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 O'Hare Intl. 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 O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Des Plaines
Lake Geneva
Naperville
Glenview
Schaumburg
Oakbrook Terrace
Delavan
Oak Brook
Libertyville
Rockford
Hoffman Estates
Aurora
Beloit
Orland Park
South Holland
Elgin
Racine
Janesville
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London and O'Hare Intl flights
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Top 7 airlines flying from London to O'Hare Intl
Discover the top 7 airlines that operate flights from London to O'Hare Intl. 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 19, 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$572 | Average$1,132 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$576 | Average$887 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$583 | Average$945 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$703 | Average$850 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$806 | Average$895 | FlexibilityNo cancel fee | On-timeN/A |