$320+ Cheap flights from O'Hare Intl (ORD) 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LON
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from O'Hare Intl 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 O'Hare Intl to London are usually found in January or February, booked 60 days in advance, depart on a Tuesday or Wednesday and return on a Friday
Cheap flight deals from O'Hare Intl to London
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Cheapest flights from O'Hare Intl to LondonExplore the most affordable flight options available from O'Hare Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from O'Hare Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/296:30 pm -
1 stop14h 40m
Thu 12/310:10 am -
1 stop13h 10m
Deal found 10/25![Multiple Airlines logo]()
$709
This deal was found by Cheapflights users on 10/26. 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 11/183:55 pm -
1 stop11h 10m
Sun 11/297:50 am -
1 stop12h 20m
Deal found 10/26![Aer Lingus logo]()
$710
This Mytrip deal was found by Cheapflights users on 10/26. 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 12/97:00 pm -
2 stops22h 45m
Tue 12/157:35 pm -
2 stops25h 55m
Deal found 10/26![Multiple Airlines logo]()
$710
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 12/96:30 pm -
1 stop16h 55m
Wed 12/168:25 am -
1 stop14h 55m
Deal found 10/25![Multiple Airlines logo]()
$712
This Mytrip deal was found by Cheapflights users on 10/26. 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 12/96:30 pm -
2 stops17h 20m
Tue 12/157:15 am -
2 stops16h 05m
Deal found 10/26![Multiple Airlines logo]()
$712
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/296:30 pm -
1 stop14h 35m
Sat 12/127:05 am -
1 stop16h 15m
Deal found 10/28![Multiple Airlines logo]()
$714
This Booking.com deal was found by Cheapflights users on 10/27. 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.
Wed 11/117:00 pm -
3 stops22h 10m
Sat 11/218:50 pm -
2 stops24h 40m
Deal found 10/27![Multiple Airlines logo]()
$714
This Mytrip deal was found by Cheapflights users on 10/26. 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 12/96:30 pm -
2 stops20h 30m
Tue 12/157:45 am -
2 stops15h 35m
Deal found 10/26![Multiple Airlines logo]()
$715
This Booking.com deal was found by Cheapflights users on 10/29. 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.
Wed 12/26:30 pm -
2 stops18h 25m
Wed 12/98:50 am -
2 stops14h 30m
Deal found 10/29![Multiple Airlines logo]()
$715
This Mytrip deal was found by Cheapflights users on 10/27. 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 12/26:30 pm -
2 stops22h 50m
Tue 12/87:15 am -
2 stops16h 05m
Deal found 10/27![Multiple Airlines logo]()
$715
This Mytrip deal was found by Cheapflights users on 10/27. 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 12/36:30 pm -
2 stops22h 35m
Tue 12/87:45 am -
2 stops15h 35m
Deal found 10/27![Multiple Airlines logo]()
$716
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/296:30 pm -
1 stop19h 00m
Tue 12/812:15 pm -
1 stop11h 05m
Deal found 10/28![Icelandair logo]()
$716
Best flights from O'Hare Intl to LondonDiscover carefully curated flight deals from O'Hare Intl to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from O'Hare Intl to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/26. 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
Fri 1/296:00 am -
1 stop17h 20m
Deal found 10/26![Multiple Airlines logo]()
$736
This Scandinavian Airlines deal was found by Cheapflights users on 10/26. 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 1/227:10 pm -
2 stops32h 25m
Thu 1/286:40 am -
1 stop16h 05m
Deal found 10/26![Scandinavian Airlines logo]()
$753
This Turkish Airlines deal was found by Cheapflights users on 10/29. 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 1/1711:45 am -
1 stop16h 10m
Wed 1/2710:55 am -
1 stop29h 05m
Deal found 10/29![Turkish Airlines logo]()
$862
This United Airlines deal was found by Cheapflights users on 10/25. 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 2/83:45 pm -
Nonstop8h 10m
Fri 2/269:00 am -
1 stop13h 15m
Deal found 10/25![United Airlines logo]()
$866
This Delta deal was found by Cheapflights users on 10/29. 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 4/33:00 pm -
2 stops36h 00m
Thu 4/159:55 am -
1 stop11h 15m
Deal found 10/29![Delta logo]()
$899
This Virgin Atlantic deal was found by Cheapflights users on 10/26. 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 4/67:40 pm -
2 stops15h 00m
Wed 4/1410:00 am -
2 stops18h 04m
Deal found 10/26![Virgin Atlantic logo]()
$917
This Icelandair deal was found by Cheapflights users on 10/29. 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.
Sat 4/37:25 pm -
1 stop13h 15m
Sat 4/103:40 pm -
1 stop32h 35m
Deal found 10/29![Icelandair logo]()
$920
This British Airways deal was found by Cheapflights users on 10/25. 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.
Fri 2/58:30 pm -
Nonstop7h 55m
Fri 2/127:30 am -
1 stop13h 25m
Deal found 10/25![British Airways logo]()
$927
This KLM deal was found by Cheapflights users on 10/25. 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.
Mon 2/84:25 pm -
1 stop9h 45m
Mon 2/229:20 am -
1 stop11h 05m
Deal found 10/25![KLM logo]()
$938
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/29. 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.
Sun 3/219:10 pm -
2 stops42h 25m
Mon 3/299:15 pm -
2 stops48h 45m
Deal found 10/29![TAP AIR PORTUGAL logo]()
$990
This SWISS deal was found by Cheapflights users on 10/27. 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 12/96:30 pm -
2 stops16h 35m
Mon 2/17:05 pm -
2 stops23h 05m
Deal found 10/27![SWISS logo]()
$1,231
This Mytrip deal was found by Cheapflights users on 10/29. 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 2/107:00 pm -
2 stops19h 50m
Tue 2/169:30 pm -
2 stops24h 00m
Deal found 10/29![Multiple Airlines logo]()
$760
This Scandinavian Airlines deal was found by Cheapflights users on 10/28. 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 4/107:15 pm -
1 stop17h 15m
Sat 4/173:35 pm -
2 stops30h 35m
Deal found 10/28![Scandinavian Airlines logo]()
$773
This Turkish Airlines deal was found by Cheapflights users on 10/29. 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 1/1811:45 am -
1 stop22h 35m
Thu 1/285:20 pm -
1 stop22h 40m
Deal found 10/29![Turkish Airlines logo]()
$862
This United Airlines deal was found by Cheapflights users on 10/29. 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 4/284:25 pm -
Nonstop8h 20m
Mon 5/31:50 pm -
1 stop28h 45m
Deal found 10/29![United Airlines logo]()
$874
This Booking.com deal was found by Cheapflights users on 10/29. 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.
Wed 12/96:30 pm -
2 stops15h 20m
Sun 12/208:40 am -
2 stops14h 40m
Deal found 10/29![Multiple Airlines logo]()
$819
This Delta deal was found by Cheapflights users on 10/27. 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 3/155:25 pm -
1 stop9h 45m
Wed 4/219:20 am -
1 stop10h 55m
Deal found 10/27![Delta logo]()
$902
This Scandinavian Airlines deal was found by Cheapflights users on 10/29. 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 11/137:10 pm -
1 stop17h 20m
Mon 11/166:40 pm -
1 stop28h 05m
Deal found 10/29![Scandinavian Airlines logo]()
$822
This KLM deal was found by Cheapflights users on 10/25. 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 4/64:20 pm -
1 stop10h 30m
Mon 4/199:20 am -
1 stop10h 55m
Deal found 10/25![KLM logo]()
$943
This Virgin Atlantic deal was found by Cheapflights users on 10/26. 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 1/203:00 pm -
2 stops18h 45m
Fri 2/1910:00 am -
2 stops17h 33m
Deal found 10/26![Virgin Atlantic logo]()
$943
This Turkish Airlines deal was found by Cheapflights users on 10/29. 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 1/1811:45 am -
1 stop22h 35m
Wed 1/2710:55 am -
1 stop29h 05m
Deal found 10/29![Turkish Airlines logo]()
$862
This United Airlines deal was found by Cheapflights users on 10/26. 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 3/45:45 pm -
Nonstop8h 10m
Thu 3/119:00 am -
1 stop13h 15m
Deal found 10/26![United Airlines logo]()
$916
This Scandinavian Airlines deal was found by Cheapflights users on 10/29. 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 3/303:00 pm -
2 stops19h 00m
Sun 4/116:40 am -
2 stops15h 30m
Deal found 10/29![Scandinavian Airlines logo]()
$860
This Turkish Airlines deal was found by Cheapflights users on 10/25. 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 2/98:15 pm -
1 stop31h 40m
Fri 2/265:20 pm -
1 stop22h 40m
Deal found 10/25![Turkish Airlines logo]()
$863
This Mytrip deal was found by Cheapflights users on 10/28. 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.
Sun 11/291:55 pm -
2 stops18h 05m
Sun 12/69:45 pm -
3 stops23h 53m
Deal found 10/28![Multiple Airlines logo]()
$870
This Delta deal was found by Cheapflights users on 10/25. 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 10/25![Delta logo]()
$970
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/26. 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.
Sun 1/102:55 pm -
2 stops23h 40m
Mon 1/189:35 pm -
2 stops47h 55m
Deal found 10/26![TAP AIR PORTUGAL logo]()
$1,073
This Virgin Atlantic deal was found by Cheapflights users on 10/28. 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 1/307:10 am -
2 stops19h 50m
Mon 2/810:00 am -
2 stops17h 52m
Deal found 10/28![Virgin Atlantic logo]()
$995
This United Airlines deal was found by Cheapflights users on 10/29. 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 1/269:50 pm -
Nonstop8h 10m
Thu 2/259:00 am -
1 stop13h 15m
Deal found 10/29![United Airlines logo]()
$918
This Turkish Airlines deal was found by Cheapflights users on 10/25. 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 2/811:45 am -
1 stop22h 35m
Wed 2/2410:55 am -
1 stop29h 05m
Deal found 10/25![Turkish Airlines logo]()
$863
Last-minute flights from O'Hare Intl to LondonDiscover last-minute flight deals from O'Hare Intl to London. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to London. Data last updated October 30, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 10/26. 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 -
2 stops16h 20m
Wed 11/185:35 pm -
2 stops29h 45m
Deal found 10/26![Multiple Airlines logo]()
$717
This Booking.com deal was found by Cheapflights users on 10/27. 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.
Wed 11/117:00 pm -
3 stops22h 10m
Sat 11/218:50 pm -
2 stops24h 40m
Deal found 10/27![Multiple Airlines logo]()
$714
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/138:10 pm -
1 stop18h 20m
Sat 11/219:45 pm -
2 stops23h 45m
Deal found 10/25![Multiple Airlines logo]()
$717
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/138:10 pm -
1 stop21h 45m
Wed 12/28:00 pm -
2 stops49h 30m
Deal found 10/26![Multiple Airlines logo]()
$718
This deal was found by Cheapflights users on 10/26. 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 11/183:55 pm -
1 stop11h 10m
Sun 11/297:50 am -
1 stop12h 20m
Deal found 10/26![Aer Lingus logo]()
$710
This Mytrip deal was found by Cheapflights users on 10/27. 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 11/257:00 pm -
2 stops20h 15m
Wed 12/97:00 am -
2 stops16h 20m
Deal found 10/27![Multiple Airlines logo]()
$718
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/278:10 pm -
1 stop21h 45m
Fri 12/46:00 pm -
2 stops51h 30m
Deal found 10/27![Multiple Airlines logo]()
$716
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/296:30 pm -
1 stop14h 40m
Thu 12/310:10 am -
1 stop13h 10m
Deal found 10/25![Multiple Airlines logo]()
$709
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/296:30 pm -
1 stop14h 35m
Sat 12/127:05 am -
1 stop16h 15m
Deal found 10/28![Multiple Airlines logo]()
$714
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/296:30 pm -
1 stop19h 00m
Tue 12/812:15 pm -
1 stop11h 05m
Deal found 10/28![Icelandair logo]()
$716
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/296:30 pm -
1 stop14h 40m
Tue 12/88:00 am -
1 stop15h 20m
Deal found 10/25![Multiple Airlines logo]()
$716
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/296:30 pm -
1 stop14h 35m
Tue 12/87:05 am -
1 stop16h 15m
Deal found 10/25![Multiple Airlines logo]()
$720
One-way flights from O'Hare Intl to LondonSearch for one-way flight options from O'Hare Intl to London. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from O'Hare Intl to London. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Expedia deal was found by Cheapflights users on 10/28. 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.
Tue 1/265:10 pm -
Nonstop7h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![British Airways logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 2/148:10 pm -
2 stops30h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$320
This FlightHub deal was found by Cheapflights users on 10/29. 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.
Sun 11/226:30 pm -
1 stop10h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Icelandair logo]()
$321
This Jetabroad deal was found by Cheapflights users on 10/28. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 pm -
1 stop14h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![TAP AIR PORTUGAL logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/88:10 pm -
2 stops31h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/138:10 pm -
3 stops20h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$322
This FlightHub deal was found by Cheapflights users on 10/28. 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.
Wed 11/117:00 pm -
1 stop14h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![TAP AIR PORTUGAL logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 1/88:10 pm -
2 stops40h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/257:00 pm -
3 stops36h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 1/266:30 pm -
2 stops35h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$323
This Booking.com deal was found by Cheapflights users on 10/28. 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.
Wed 11/117:00 pm -
1 stop12h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$323
This Gotogate deal was found by Cheapflights users on 10/28. 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 2/219:50 pm -
Nonstop7h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Finnair logo]()
$324
Find flight deals from O'Hare Intl to London
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $709 (Kiwi.com) |
One-way from | $320 (Expedia) |
Popular in | June |
Cheapest in | January |
Average price | $909 |
Good round-trip deal | $893 or less |
Good one-way deal | $384 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl 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 30, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to London that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoLondon
ORD Chicago O'Hare Intl - STN London Stansted
ORDSTN
Chicago O'Hare Intl
Wed 11/25
7:00 pm-8:20 pm
1 stop19h 20m
London Stansted
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$327
ChicagoLondon
ORD Chicago O'Hare Intl - STN London Stansted
ORDSTN
Chicago O'Hare Intl
Sun 2/14
8:10 pm-9:25 pm
3 stops43h 15m
London Stansted
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$332
ChicagoLondon
ORD Chicago O'Hare Intl - LTN London Luton
ORDLTN
Chicago O'Hare Intl
Sun 11/8
8:10 pm-1:45 pm
1 stop35h 35m
London Luton
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$338
ChicagoLondon
ORD Chicago O'Hare Intl - LGW London Gatwick
ORDLGW
Chicago O'Hare Intl
Mon 3/15
10:30 am-9:00 am
2 stops17h 30m
London Gatwick
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$339
ChicagoLondon
ORD Chicago O'Hare Intl - LGW London Gatwick
ORDLGW
Chicago O'Hare Intl
Sun 11/8
8:10 pm-8:35 pm
2 stops18h 25m
London Gatwick
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$339
ChicagoLondon
ORD Chicago O'Hare Intl - LCY London City
ORDLCY
Chicago O'Hare Intl
Wed 3/31
4:20 pm-8:50 am
1 stop10h 30m
London City
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$346
ChicagoLondon
ORD Chicago O'Hare Intl - LCY London City
ORDLCY
Chicago O'Hare Intl
Wed 2/3
2:25 pm-9:30 am
2 stops13h 05m
London City
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$350
ChicagoLondon
ORD Chicago O'Hare Intl - LCY London City
ORDLCY
Chicago O'Hare Intl
Sun 2/14
6:10 pm-4:35 pm
2 stops16h 25m
London City
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
Wed 11/25
7:00 pm-7:45 am
3 stops30h 45m
London Luton
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$353
ChicagoLondon
ORD Chicago O'Hare Intl - LTN London Luton
ORDLTN
Chicago O'Hare Intl
Fri 11/13
8:10 pm-2:30 pm
1 stop12h 20m
London Luton
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$355
Showing 1-10 of 60 resultsSorted by cheapest first
Compare providers for flights from O'Hare Intl 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 O'Hare Intl to London in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-London flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-London 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 Chicago O'Hare Intl Airport-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 O'Hare Intl to London
Have a flexible travel schedule? Discover the best time to fly to London from O'Hare Intl with our price prediction graph.
ORD-LON
ORD-LGW
ORD-LHR
ORD-LTN
ORD-STN
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 O'Hare Intl Airport to London
ORD-LON
ORD-LGW
ORD-LHR
ORD-LTN
ORD-STN
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to London?
Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to London (average of $621). Flying from Chicago O'Hare Intl Airport to London in June is currently the most expensive (average of $1,379). 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 ORD to LON?
Find hourly flight availability from O'Hare Intl 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 30, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago O'Hare Intl Airport to London as you normally would.
How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to London?
Airfare is typical for this route at the moment.
Chicago O'Hare Intl Airport to London flights typically cost between $641 and $1,060 in November.The cheapest round-trip price found within the last 5 days was $709 on Multiple Airlines (Nov 29-Dec 3).
What’s the top layover airport for flights from Chicago O'Hare Intl Airport to London?
Share of 1-stop round-trip flights from Chicago O'Hare Intl Airport to London 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 Chicago O'Hare Intl Airport to London on Cheapflights.
What’s the cheapest layover airport for flights from Chicago O'Hare Intl Airport to London?
Average round-trip fare for 1-stop flights from Chicago O'Hare Intl Airport to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $479.
What’s the fastest layover option from Chicago O'Hare Intl Airport to London?
Shortest average travel time for 1-stop one-way flights from Chicago O'Hare Intl Airport 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 25m.
Which airport typically offers the quickest layover for flights from Chicago O'Hare Intl Airport to London?
Average layover duration for 1-stop one-way flights from Chicago O'Hare Intl Airport 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 1h 03m.
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 O'Hare Intl Airport to London?
The best time to book flights from Chicago O'Hare Intl Airport to London is 28 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 O'Hare Intl Airport 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 O'Hare Intl Airport 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 30, 2026.
Peruse reviews from past customers who have flown with United Airlines,American Airlines, andIberia from Chicago O'Hare Intl Airport to London 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.
Crew
8.1
Food
6.7
Overall
7.3
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Food
6.7
Overall
7.3
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Food
6.7
Overall
7.3
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Food
6.7
Overall
7.3
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Food
6.7
Overall
7.3
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Food
6.7
Overall
7.3
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Top 10 airlines flying from O'Hare Intl to London
Discover the top 10 airlines that operate flights from O'Hare Intl 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 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$39 | Average$823 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$286 | Average$1,411 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$362 | Average$895 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$430 | Average$616 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$432 | Average$728 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$466 | Average$740 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$549 | Average$979 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$599 | Average$927 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$606 | Average$983 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$630 | Average$969 | FlexibilityNo cancel fee | On-time70% |