$320+ Cheap flights from Chicago (CHI) to London (LON)
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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LON
Nov 4 — Nov 111
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to London 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 Chicago to London are usually found in February or January, booked 73 days in advance, depart on a Tuesday or Wednesday and return on a Friday
Cheap flight deals from Chicago to London
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Cheapest flights from Chicago to LondonExplore the most affordable flight options available from Chicago to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 5, 2026.
Explore the most affordable flight options available from Chicago to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 12/67:10 pm -
2 stops15h 50m
Thu 12/106:40 am -
1 stop16h 05m
Deal found 9/30![Scandinavian Airlines logo]()
$723
This Kiwi.com deal was found by Cheapflights users on 10/3. 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 11/177:10 pm -
1 stop14h 50m
Tue 11/246:40 am -
1 stop16h 05m
Deal found 10/3![Scandinavian Airlines logo]()
$724
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 10/187:15 pm -
1 stop17h 10m
Mon 11/27:00 am -
1 stop15h 45m
Deal found 10/1![Multiple Airlines logo]()
$724
This Mytrip deal was found by Cheapflights users on 10/1. 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 10/308:10 pm -
1 stop22h 05m
Mon 11/26:45 am -
1 stop16h 00m
Deal found 10/1![Multiple Airlines logo]()
$724
This Mytrip deal was found by Cheapflights users on 10/2. 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 11/106:30 pm -
1 stop14h 35m
Thu 11/196:00 am -
1 stop17h 20m
Deal found 10/2![Multiple Airlines logo]()
$725
This FlightHub deal was found by Cheapflights users on 9/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:15 pm -
2 stops40h 10m
Sun 10/259:05 pm -
2 stops49h 40m
Deal found 9/30![Scandinavian Airlines logo]()
$725
This Kiwi.com deal was found by Cheapflights users on 10/4. 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 11/27:10 pm -
1 stop12h 15m
Tue 11/107:00 am -
1 stop15h 45m
Deal found 10/4![Multiple Airlines logo]()
$725
This Kiwi.com deal was found by Cheapflights users on 10/4. 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 11/17:10 pm -
1 stop14h 30m
Sat 11/146:15 am -
1 stop16h 30m
Deal found 10/4![Multiple Airlines logo]()
$725
This Mytrip deal was found by Cheapflights users on 10/4. 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.
Wed 12/27:00 pm -
2 stops19h 50m
Sat 12/59:30 pm -
2 stops24h 00m
Deal found 10/4![Multiple Airlines logo]()
$726
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 11/246:30 pm -
1 stop10h 20m
Wed 12/28:35 pm -
1 stop26h 45m
Deal found 10/1![Icelandair logo]()
$726
This Kiwi.com deal was found by Cheapflights users on 10/4. 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 11/37:10 pm -
1 stop12h 15m
Sat 11/147:00 am -
1 stop15h 45m
Deal found 10/4![Multiple Airlines logo]()
$726
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 11/26:30 pm -
1 stop10h 20m
Wed 11/1812:15 pm -
1 stop11h 05m
Deal found 9/30![Icelandair logo]()
$727
Best flights from Chicago to LondonDiscover carefully curated flight deals from Chicago to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 5, 2026.
Discover carefully curated flight deals from Chicago to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 1/216:30 pm -
1 stop12h 30m
Sun 1/316:00 am -
1 stop17h 20m
Deal found 10/5![Multiple Airlines logo]()
$748
This Scandinavian Airlines deal was found by Cheapflights users on 10/4. 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.
Mon 2/87:10 pm -
2 stops20h 25m
Wed 2/247:50 pm -
2 stops26h 55m
Deal found 10/4![Scandinavian Airlines logo]()
$755
This United Airlines deal was found by Cheapflights users on 10/1. 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 2/226:50 pm -
1 stop31h 15m
Thu 2/257:40 am -
Nonstop9h 05m
Deal found 10/1![United Airlines logo]()
$755
This Turkish Airlines deal was found by Cheapflights users on 10/3. 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 1/1211:45 am -
1 stop16h 10m
Tue 1/195:20 pm -
1 stop22h 40m
Deal found 10/3![Turkish Airlines logo]()
$831
This Icelandair deal was found by Cheapflights users on 10/2. 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.
Fri 11/66:30 pm -
1 stop19h 00m
Tue 11/1012:15 pm -
1 stop11h 05m
Deal found 10/2![Icelandair logo]()
$864
This Virgin Atlantic deal was found by Cheapflights users on 9/30. 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.
Wed 11/410:55 am -
2 stops14h 20m
Tue 11/108:05 pm -
1 stop24h 20m
Deal found 9/30![Virgin Atlantic logo]()
$901
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/2. 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.
Fri 11/68:10 pm -
2 stops30h 10m
Wed 11/119:35 am -
2 stops59h 55m
Deal found 10/2![TAP AIR PORTUGAL logo]()
$937
This Delta deal was found by Cheapflights users on 10/3. 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 12/106:25 pm -
1 stop15h 20m
Wed 12/1610:00 am -
1 stop12h 15m
Deal found 10/3![Delta logo]()
$984
This KLM deal was found by Cheapflights users on 10/4. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/11:41 pm -
1 stop12h 04m
Mon 12/711:20 am -
1 stop12h 41m
Deal found 10/4![KLM logo]()
$1,060
This British Airways deal was found by Cheapflights users on 9/30. 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.
Tue 11/33:55 pm -
1 stop10h 40m
Tue 11/176:50 am -
1 stop13h 20m
Deal found 9/30![British Airways logo]()
$1,114
This SWISS deal was found by Cheapflights users on 10/2. 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 11/23:40 pm -
2 stops15h 10m
Tue 11/107:05 pm -
1 stop23h 35m
Deal found 10/2![SWISS logo]()
$1,194
This Scandinavian Airlines deal was found by Cheapflights users on 10/5. 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 10/207:15 pm -
2 stops17h 35m
Wed 12/97:30 pm -
1 stop27h 15m
Deal found 10/5![Scandinavian Airlines logo]()
$765
This Mytrip deal was found by Cheapflights users on 10/5. 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.
Mon 12/76:30 pm -
2 stops16h 35m
Mon 12/148:20 am -
2 stops15h 00m
Deal found 10/5![Multiple Airlines logo]()
$783
This Turkish Airlines deal was found by Cheapflights users on 10/5. 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.
Thu 3/1112:45 pm -
1 stop15h 10m
Thu 3/1810:55 am -
1 stop29h 05m
Deal found 10/5![Turkish Airlines logo]()
$831
This Scandinavian Airlines deal was found by Cheapflights users on 10/3. 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 1/57:10 pm -
1 stop16h 30m
Wed 1/135:30 pm -
2 stops29h 15m
Deal found 10/3![Scandinavian Airlines logo]()
$767
This United Airlines deal was found by Cheapflights users on 10/3. 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 1/129:50 pm -
Nonstop8h 10m
Tue 1/196:50 am -
1 stop11h 20m
Deal found 10/3![United Airlines logo]()
$860
This Mytrip deal was found by Cheapflights users on 10/1. 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 11/287:10 pm -
2 stops21h 15m
Sun 12/1312:15 pm -
2 stops34h 30m
Deal found 10/1![Multiple Airlines logo]()
$811
This Virgin Atlantic deal was found by Cheapflights users on 10/5. 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 11/29:29 am -
2 stops15h 21m
Tue 11/106:30 am -
2 stops15h 48m
Deal found 10/5![Virgin Atlantic logo]()
$916
This Turkish Airlines deal was found by Cheapflights users on 10/3. 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 3/2212:45 pm -
1 stop22h 35m
Tue 3/305:45 pm -
1 stop21h 50m
Deal found 10/3![Turkish Airlines logo]()
$861
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/5. 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.
Fri 10/309:10 pm -
2 stops55h 55m
Sat 11/710:10 am -
2 stops35h 20m
Deal found 10/5![TAP AIR PORTUGAL logo]()
$955
This Scandinavian Airlines deal was found by Cheapflights users on 9/30. 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 11/37:10 pm -
2 stops20h 10m
Tue 11/1710:20 am -
1 stop12h 25m
Deal found 9/30![Scandinavian Airlines logo]()
$798
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 11/156:30 pm -
1 stop14h 35m
Tue 12/17:00 am -
1 stop16h 20m
Deal found 10/1![Multiple Airlines logo]()
$818
This United Airlines deal was found by Cheapflights users on 10/2. 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 2/113:45 pm -
Nonstop8h 10m
Mon 2/1512:05 pm -
1 stop34h 10m
Deal found 10/2![United Airlines logo]()
$909
This Turkish Airlines deal was found by Cheapflights users on 10/1. 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 10/1811:25 am -
1 stop16h 30m
Wed 10/2810:55 am -
1 stop29h 05m
Deal found 10/1![Turkish Airlines logo]()
$862
This Scandinavian Airlines deal was found by Cheapflights users on 10/4. 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.
Wed 11/47:10 pm -
1 stop14h 50m
Tue 12/17:05 am -
2 stops15h 40m
Deal found 10/4![Scandinavian Airlines logo]()
$803
This Virgin Atlantic deal was found by Cheapflights users on 10/5. 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.
Tue 10/2010:59 am -
1 stop13h 26m
Tue 11/312:40 pm -
1 stop15h 53m
Deal found 10/5![Virgin Atlantic logo]()
$991
This Mytrip deal was found by Cheapflights users on 10/5. 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 11/33:55 pm -
1 stop12h 40m
Tue 11/107:45 am -
1 stop12h 25m
Deal found 10/5![Multiple Airlines logo]()
$833
This Turkish Airlines deal was found by Cheapflights users on 10/2. 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.
Thu 11/59:15 pm -
1 stop19h 20m
Wed 11/116:30 am -
1 stop17h 50m
Deal found 10/2![Turkish Airlines logo]()
$870
This Delta deal was found by Cheapflights users on 10/3. 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.
Fri 10/91:27 pm -
1 stop11h 43m
Mon 10/126:30 am -
2 stops17h 30m
Deal found 10/3![Delta logo]()
$1,191
This Virgin Atlantic deal was found by Cheapflights users on 10/2. 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.
Wed 11/44:25 pm -
1 stop10h 25m
Sun 11/86:55 pm -
1 stop25h 30m
Deal found 10/2![Virgin Atlantic logo]()
$1,002
Last-minute flights from Chicago to LondonDiscover last-minute flight deals from Chicago to London. Data last updated October 5, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to London. Data last updated October 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 10/187:15 pm -
1 stop17h 10m
Mon 11/27:00 am -
1 stop15h 45m
Deal found 10/1![Multiple Airlines logo]()
$724
This FlightHub deal was found by Cheapflights users on 9/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:15 pm -
2 stops40h 10m
Sun 10/259:05 pm -
2 stops49h 40m
Deal found 9/30![Scandinavian Airlines logo]()
$725
This Mytrip deal was found by Cheapflights users on 10/1. 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 10/308:10 pm -
1 stop22h 05m
Mon 11/26:45 am -
1 stop16h 00m
Deal found 10/1![Multiple Airlines logo]()
$724
This Kiwi.com deal was found by Cheapflights users on 10/4. 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 11/17:10 pm -
1 stop14h 30m
Sat 11/146:15 am -
1 stop16h 30m
Deal found 10/4![Multiple Airlines logo]()
$725
This Kiwi.com deal was found by Cheapflights users on 10/4. 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 11/27:10 pm -
1 stop12h 15m
Tue 11/107:00 am -
1 stop15h 45m
Deal found 10/4![Multiple Airlines logo]()
$725
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 11/26:30 pm -
1 stop10h 20m
Wed 11/1812:15 pm -
1 stop11h 05m
Deal found 9/30![Icelandair logo]()
$727
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 11/27:10 pm -
1 stop12h 15m
Sun 11/87:00 am -
1 stop15h 45m
Deal found 10/5![Multiple Airlines logo]()
$727
This Kiwi.com deal was found by Cheapflights users on 10/4. 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 11/37:10 pm -
1 stop12h 15m
Sat 11/147:00 am -
1 stop15h 45m
Deal found 10/4![Multiple Airlines logo]()
$726
This Mytrip deal was found by Cheapflights users on 10/2. 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 11/106:30 pm -
1 stop14h 35m
Thu 11/196:00 am -
1 stop17h 20m
Deal found 10/2![Multiple Airlines logo]()
$725
This Kiwi.com deal was found by Cheapflights users on 10/3. 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 11/177:10 pm -
1 stop14h 50m
Tue 11/246:40 am -
1 stop16h 05m
Deal found 10/3![Scandinavian Airlines logo]()
$724
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 11/246:30 pm -
1 stop10h 20m
Wed 12/28:35 pm -
1 stop26h 45m
Deal found 10/1![Icelandair logo]()
$726
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 11/307:10 pm -
1 stop14h 50m
Mon 12/76:40 am -
1 stop16h 05m
Deal found 9/30![Scandinavian Airlines logo]()
$728
One-way flights from Chicago to LondonSearch for one-way flight options from Chicago to London. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.
Search for one-way flight options from Chicago to London. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 11/66:30 pm -
1 stop19h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Icelandair logo]()
$320
This Cheapflightsfares deal was found by Cheapflights users on 10/5. 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.
Tue 3/237:50 pm -
1 stop18h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![SWISS logo]()
$321
This deal was found by Cheapflights users on 10/4. 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.
Wed 12/306:30 pm -
1 stop10h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Icelandair logo]()
$321
This Icelandair deal was found by Cheapflights users on 9/30. 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 1/116:30 pm -
1 stop10h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Icelandair logo]()
$322
This Mytrip deal was found by Cheapflights users on 10/5. 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.
Wed 1/276:50 pm -
1 stop12h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![SWISS logo]()
$322
This Flightnetwork deal was found by Cheapflights users on 10/3. 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.
Sun 1/317:05 am -
1 stop18h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Air Canada logo]()
$323
This Mytrip deal was found by Cheapflights users on 10/4. 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.
Mon 3/227:50 pm -
1 stop12h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![SWISS logo]()
$323
This United Airlines deal was found by Cheapflights users on 10/1. 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 1/117:05 am -
1 stop19h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![United Airlines logo]()
$324
This Justfly.com deal was found by Cheapflights users on 10/4. 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.
Wed 1/610:35 am -
1 stop19h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![KLM logo]()
$324
This Gotogate deal was found by Cheapflights users on 10/4. 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.
Sun 2/76:50 pm -
1 stop12h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![SWISS logo]()
$324
This Justfly.com deal was found by Cheapflights users on 10/4. 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.
Tue 11/36:30 pm -
1 stop10h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Icelandair logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 10/3. 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 11/26:30 pm -
2 stops31h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Multiple Airlines logo]()
$324
Find flight deals from Chicago to London
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to London (LON). 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 October 5, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $723 (oojo) |
One-way from | $320 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $812 |
Good round-trip deal | $781 or less |
Good one-way deal | $445 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to London 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 October 5, 2026.
Use the filters below to find and compare flights from Chicago to London that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoLondon
MDW Chicago Midway - LHR London Heathrow
MDWLHR
Chicago Midway
Mon 1/11
1:00 pm-6:50 am
1 stop11h 50m
London Heathrow
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$325
ChicagoLondon
ORD Chicago O'Hare Intl - LHR London Heathrow
ORDLHR
Chicago O'Hare Intl
Tue 11/3
1:00 pm-6:55 am
1 stop11h 55m
London Heathrow
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$329
ChicagoLondon
MDW Chicago Midway - LHR London Heathrow
MDWLHR
Chicago Midway
Mon 1/11
1:00 pm-8:05 am
2 stops13h 05m
London Heathrow
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$329
ChicagoLondon
ORD Chicago O'Hare Intl - LTN London Luton
ORDLTN
Chicago O'Hare Intl
Sun 2/7
6:30 pm-11:05 pm
2 stops22h 35m
London Luton
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$350
ChicagoLondon
ORD Chicago O'Hare Intl - LTN London Luton
ORDLTN
Chicago O'Hare Intl
Tue 3/23
7:50 pm-9:15 am
2 stops32h 25m
London Luton
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$374
ChicagoLondon
ORD Chicago O'Hare Intl - LTN London Luton
ORDLTN
Chicago O'Hare Intl
Thu 11/26
6:30 pm-6:10 pm
2 stops17h 40m
London Luton
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$375
ChicagoLondon
ORD Chicago O'Hare Intl - LTN London Luton
ORDLTN
Chicago O'Hare Intl
Sat 3/13
6:30 pm-7:35 am
2 stops31h 05m
London Luton
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$378
ChicagoLondon
ORD Chicago O'Hare Intl - LTN London Luton
ORDLTN
Chicago O'Hare Intl
Mon 11/16
6:30 pm-9:50 pm
2 stops21h 20m
London Luton
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$388
ChicagoLondon
ORD Chicago O'Hare Intl - LTN London Luton
ORDLTN
Chicago O'Hare Intl
Wed 11/25
3:55 pm-8:50 pm
2 stops22h 55m
London Luton
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$398
ChicagoLondon
ORD Chicago O'Hare Intl - LTN London Luton
ORDLTN
Chicago O'Hare Intl
Sat 11/14
6:30 pm-12:05 pm
3 stops35h 35m
London Luton
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$400
Showing 1-10 of 60 resultsSorted by cheapest first
Compare providers for flights from Chicago to London
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 Chicago to London in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago-London flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Chicago-London flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Chicago-London flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-London flights, Cheapflights users trust Ovago the most. Ovago 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 Chicago-London 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 Chicago to London
Have a flexible travel schedule? Discover the best time to fly to London from Chicago with our price prediction graph.
CHI-LON
ORD-LHR
ORD-LGW
ORD-STN
ORD-LTN
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 Chicago to London
CHI-LON
ORD-LHR
ORD-LGW
ORD-STN
ORD-LTN
What is the cheapest month to book a flight from Chicago to London?
Currently, January is the cheapest month in which you can book a flight from Chicago to London (average of $641). Flying from Chicago to London in June is currently the most expensive (average of $1,383). 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 CHI to LON?
Find hourly flight availability from Chicago to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 5, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago to London as you normally would.
Weekly flight availability from Chicago to London
Explore weekly flight availability from Chicago to London. 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 October 5, 2026.
The most flights from CHI to LON are scheduled on a Friday (56 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (31 on average).
How much does it cost to fly round-trip from Chicago to London?
Airfare is typical for this route at the moment.
Chicago to London flights typically cost between $695 and $976 in January.The cheapest round-trip price found within the last 5 days was $723 on TAP AIR PORTUGAL (Jan 27-Jan 31).
What’s the top layover airport for flights from Chicago to London?
Share of 1-stop round-trip flights from Chicago to London chosen by Cheapflights users in the past 12 months, using the same layover each way.
Reykjavik (KEF) – chosen by Cheapflights users on 59% of 1-stop itineraries from Chicago to London on Cheapflights.
What’s the cheapest layover airport for flights from Chicago to London?
Average round-trip fare for 1-stop flights from Chicago to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Zurich (ZRH) is the most affordable 1-stop option, with an average round-trip price of $62.
What’s the fastest layover option from Chicago to London?
Shortest average travel time for 1-stop one-way flights from Chicago to London, 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: 10h 20m.
Which airport typically offers the quickest layover for flights from Chicago to London?
Average layover duration for 1-stop one-way flights from Chicago to London, 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 0h 55m.
How often are flights from Chicago to London delayed?
About 23% of weekly flights between Chicago and London have experienced delays in the past year, with the average delay time being 161 minutes.
What is the most punctual flight time for Chicago to London flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to London flights?
Over the last year, American Airlines have had the lowest number of delays on this route, with just 22% of flights being delayed.
How far ahead should I book a flight from Chicago to London?
The best time to book flights from Chicago to London is 65 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 Chicago to London 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 Chicago to London trip
Our travel experts
Reviews of airlines servicing London
Get insights into the airlines that provide service to London. 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 London. Reviews last updated October 5, 2026.
See what other customers who have flown with United Airlines,American Airlines, andIberia from Chicago to London 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
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.7
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Overall
7.4
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.7
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Overall
7.4
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.7
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Overall
7.4
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.7
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Overall
7.4
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.7
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Overall
7.4
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.7
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
Find useful and relevant information for your journey from Chicago to London. 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 London?
Book flights to London if you plan to visit one of these locationsIlford
Dorking
Gatwick
Hounslow
Wembley
Harrow
Southend-on-Sea
Basingstoke
Watford
Dartford
Winchester
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow
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Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on October 5, 2026.
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Top 10 airlines flying from Chicago to London
Discover the top 10 airlines that operate flights from Chicago to London. 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 October 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$39 | Average$786 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$286 | Average$1,411 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$362 | Average$920 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$430 | Average$592 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$432 | Average$728 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$466 | Average$698 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$522 | Average$809 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$549 | Average$925 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$599 | Average$919 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$606 | Average$929 | FlexibilityNo cancel fee | On-timeN/A |