$223+ Cheap flights from Chicago (CHI) to the United Kingdom
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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LHR
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to United Kingdom with Cheapflights
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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
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Cheapest flights from Chicago to United KingdomExplore the most affordable flight options available from Chicago to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Chicago to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
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 11/136:30 pm -
1 stop12h 30m
Sat 11/217:15 am -
1 stop16h 05m
Deal found 9/16![Multiple Airlines logo]()
$527
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.
Tue 11/36:30 pm -
1 stop12h 15m
Tue 11/177:00 am -
1 stop16h 20m
Deal found 9/16![Multiple Airlines logo]()
$542
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.
Fri 11/136:30 pm -
1 stop12h 30m
Sun 11/227:45 am -
1 stop15h 35m
Deal found 9/16![Multiple Airlines logo]()
$544
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.
Wed 11/46:30 pm -
1 stop12h 20m
Sun 11/86:00 am -
1 stop17h 20m
Deal found 9/15![Multiple Airlines logo]()
$546
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 11/96:30 pm -
1 stop13h 05m
Tue 11/247:00 am -
1 stop16h 20m
Deal found 9/16![Multiple Airlines logo]()
$551
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:25 pm -
1 stop12h 00m
Wed 10/142:20 pm -
1 stop9h 55m
Deal found 9/16![Icelandair logo]()
$554
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:30 pm -
1 stop9h 25m
Mon 11/1611:55 am -
1 stop11h 25m
Deal found 9/17![Icelandair logo]()
$555
This Mytrip deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 11/76:30 pm -
1 stop13h 00m
Sun 11/157:45 am -
1 stop15h 35m
Deal found 9/12![Multiple Airlines logo]()
$559
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.
Wed 11/46:30 pm -
1 stop12h 20m
Tue 11/177:00 am -
1 stop16h 20m
Deal found 9/16![Multiple Airlines logo]()
$560
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:30 pm -
1 stop10h 15m
Fri 12/1111:35 am -
1 stop11h 45m
Deal found 9/16![Icelandair logo]()
$563
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 11/76:30 pm -
1 stop13h 00m
Sat 11/147:15 am -
1 stop16h 05m
Deal found 9/14![Multiple Airlines logo]()
$563
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.
Sat 11/76:30 pm -
1 stop12h 15m
Wed 11/186:10 am -
1 stop17h 10m
Deal found 9/16![Multiple Airlines logo]()
$566
Best flights from Chicago to United KingdomDiscover carefully curated flight deals from Chicago to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Chicago to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
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.
Sat 11/146:30 pm -
1 stop9h 25m
Wed 11/1811:35 am -
1 stop11h 45m
Deal found 9/16![Icelandair logo]()
$588
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:30 pm -
1 stop14h 35m
Wed 11/49:55 am -
2 stops18h 35m
Deal found 9/14![Multiple Airlines logo]()
$715
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:55 pm -
2 stops15h 15m
Fri 10/162:00 pm -
1 stop15h 21m
Deal found 9/16![United Airlines logo]()
$721
This British Airways deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:26 pm -
2 stops14h 44m
Tue 11/248:45 am -
1 stop12h 45m
Deal found 9/13![British Airways logo]()
$729
This Virgin Atlantic 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/271:19 pm -
1 stop11h 51m
Tue 10/68:55 am -
2 stops19h 38m
Deal found 9/16![Virgin Atlantic logo]()
$735
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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.
Wed 9/231:55 pm -
2 stops18h 05m
Tue 10/63:00 pm -
1 stop12h 43m
Deal found 9/12![Delta logo]()
$752
This Turkish Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:15 pm -
1 stop38h 05m
Tue 12/15:20 pm -
1 stop31h 00m
Deal found 9/13![Turkish Airlines logo]()
$835
This Scandinavian Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 10/217:25 am -
2 stops19h 55m
Thu 10/297:05 am -
2 stops15h 40m
Deal found 9/12![Scandinavian Airlines logo]()
$870
This TAP AIR PORTUGAL 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 pm -
2 stops20h 30m
Wed 10/214:25 pm -
1 stop26h 15m
Deal found 9/15![TAP AIR PORTUGAL logo]()
$956
This JetBlue deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:59 am -
1 stop16h 21m
Sun 9/2712:10 pm -
1 stop15h 48m
Deal found 9/13![JetBlue logo]()
$973
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/292:40 pm -
1 stop11h 45m
Sun 10/49:05 am -
1 stop12h 50m
Deal found 9/14![SWISS logo]()
$1,005
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/104:25 pm -
1 stop9h 45m
Sat 12/198:40 am -
1 stop11h 45m
Deal found 9/14![KLM logo]()
$1,207
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:31 pm -
2 stops14h 49m
Wed 10/2812:40 pm -
1 stop12h 40m
Deal found 9/15![British Airways logo]()
$731
This Virgin Atlantic 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:27 pm -
2 stops13h 48m
Wed 10/216:15 am -
2 stops17h 45m
Deal found 9/15![Virgin Atlantic logo]()
$742
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 10/141:55 pm -
2 stops14h 30m
Tue 11/2411:30 am -
2 stops26h 30m
Deal found 9/15![United Airlines logo]()
$745
This Mytrip deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/1111:05 am -
3 stops29h 35m
Sun 10/186:00 pm -
2 stops24h 55m
Deal found 9/13![Multiple Airlines logo]()
$746
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:27 pm -
2 stops21h 18m
Tue 11/310:00 am -
2 stops18h 33m
Deal found 9/12![Delta logo]()
$758
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.
Wed 10/141:31 pm -
2 stops14h 19m
Wed 2/39:20 am -
2 stops16h 23m
Deal found 9/14![British Airways logo]()
$737
This Virgin Atlantic 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:31 pm -
2 stops14h 24m
Thu 12/311:30 am -
2 stops17h 25m
Deal found 9/14![Virgin Atlantic logo]()
$743
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:55 pm -
2 stops14h 15m
Tue 10/63:00 pm -
1 stop12h 43m
Deal found 9/16![Delta logo]()
$763
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:55 pm -
2 stops14h 30m
Mon 10/56:40 pm -
1 stop23h 55m
Deal found 9/16![Multiple Airlines logo]()
$766
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 9/303:35 pm -
2 stops20h 00m
Fri 10/99:00 am -
1 stop30h 00m
Deal found 9/15![United Airlines logo]()
$776
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.
Thu 10/228:10 pm -
1 stop31h 45m
Mon 10/2610:55 am -
1 stop29h 05m
Deal found 9/15![Turkish Airlines logo]()
$875
This British Airways deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:11 pm -
2 stops14h 39m
Wed 11/46:00 am -
2 stops16h 55m
Deal found 9/13![British Airways logo]()
$741
This Virgin Atlantic deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 2/246:00 am -
2 stops21h 00m
Tue 3/210:00 am -
1 stop12h 15m
Deal found 9/12![Virgin Atlantic logo]()
$757
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:51 pm -
1 stop12h 59m
Wed 10/75:55 am -
2 stops16h 37m
Deal found 9/15![Delta logo]()
$763
This Mytrip deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 11/46:30 pm -
2 stops15h 45m
Sat 11/78:20 am -
2 stops15h 00m
Deal found 9/12![Multiple Airlines logo]()
$770
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.
Tue 9/224:25 pm -
Nonstop8h 20m
Mon 9/286:50 am -
1 stop11h 10m
Deal found 9/15![United Airlines logo]()
$777
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.
Thu 11/59:15 pm -
1 stop30h 40m
Mon 11/910:55 am -
1 stop37h 25m
Deal found 9/14![Turkish Airlines logo]()
$875
This Scandinavian Airlines 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:15 pm -
1 stop14h 45m
Sat 11/283:35 pm -
2 stops31h 10m
Deal found 9/16![Scandinavian Airlines logo]()
$969
Last-minute flights from Chicago to United KingdomDiscover last-minute flight deals from Chicago to United Kingdom. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to United Kingdom. Data last updated September 17, 2026 and is based on user searches.
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:25 pm -
1 stop10h 15m
Thu 11/511:55 am -
1 stop11h 25m
Deal found 9/16![Icelandair logo]()
$569
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 9/287:25 pm -
1 stop10h 15m
Thu 11/58:00 am -
2 stops15h 20m
Deal found 9/16![Multiple Airlines logo]()
$625
This Mytrip deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 9/2811:15 am -
2 stops17h 45m
Mon 10/127:45 am -
2 stops34h 50m
Deal found 9/13![Multiple Airlines logo]()
$642
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.
Mon 9/283:40 pm -
2 stops19h 15m
Mon 10/57:45 am -
2 stops34h 50m
Deal found 9/16![Multiple Airlines logo]()
$643
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:25 pm -
1 stop12h 00m
Fri 10/162:20 pm -
1 stop13h 05m
Deal found 9/14![Icelandair logo]()
$646
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:25 pm -
1 stop12h 00m
Wed 10/142:20 pm -
1 stop9h 55m
Deal found 9/16![Icelandair logo]()
$554
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.
Tue 10/69:55 am -
2 stops28h 10m
Tue 10/1310:45 pm -
2 stops22h 10m
Deal found 9/16![Multiple Airlines logo]()
$652
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:25 pm -
1 stop12h 00m
Fri 10/162:20 pm -
1 stop13h 05m
Deal found 9/16![Icelandair logo]()
$656
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.
Mon 10/129:55 am -
2 stops28h 30m
Mon 10/1910:35 pm -
2 stops22h 20m
Deal found 9/14![Multiple Airlines logo]()
$630
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.
Tue 10/277:30 pm -
1 stop12h 15m
Wed 11/116:10 am -
1 stop17h 10m
Deal found 9/16![Multiple Airlines logo]()
$614
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.
Tue 10/277:30 pm -
1 stop12h 15m
Tue 11/107:00 am -
1 stop16h 20m
Deal found 9/16![Multiple Airlines logo]()
$627
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.
Tue 10/277:30 pm -
1 stop12h 15m
Fri 11/66:10 am -
1 stop17h 10m
Deal found 9/16![Multiple Airlines logo]()
$640
One-way flights from Chicago to United KingdomSearch for one-way flight options from Chicago to United Kingdom. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Chicago to United Kingdom. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:25 pm -
1 stop10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Icelandair logo]()
$223
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:25 pm -
1 stop9h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Icelandair logo]()
$238
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.
Sun 10/187:25 pm -
1 stop10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Icelandair logo]()
$253
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 10/17:25 pm -
2 stops45h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$255
This FlightHub deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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.
Mon 10/267:30 pm -
1 stop10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Icelandair logo]()
$262
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.
Thu 11/56:30 pm -
1 stop9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Icelandair logo]()
$265
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.
Sun 10/410:25 pm -
2 stops37h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$266
This Kissandfly.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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1110:25 pm -
2 stops18h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$267
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.
Fri 10/210:25 pm -
3 stops27h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$277
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 10/57:25 pm -
2 stops36h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/297:25 pm -
1 stop8h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Icelandair logo]()
$285
This Mytrip deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/257:30 pm -
2 stops23h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$290
Find flight deals from Chicago to United Kingdom
Keep the following information in mind while searching for Chicago to United Kingdom flight deals. Data was last updated September 17, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $527 (Mytrip) |
One-way from | $223 (Booking.com) |
Popular in | June |
Cheapest in | February |
Average price | $891 |
Good round-trip deal | $948 or less |
Good one-way deal | $463 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to United Kingdom 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 17, 2026.
Use the filters below to find and compare flights from Chicago to the United Kingdom that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoGlasgow
ORD Chicago O'Hare Intl - GLA Glasgow Intl
ORDGLA
Chicago O'Hare Intl
Wed 10/7
10:25 pm-1:25 pm
1 stop9h 00m
Glasgow Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$238
ChicagoManchester
ORD Chicago O'Hare Intl - MAN Manchester
ORDMAN
Chicago O'Hare Intl
Sun 10/18
7:25 pm-11:40 am
1 stop10h 15m
Manchester
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$253
ChicagoManchester
ORD Chicago O'Hare Intl - MAN Manchester
ORDMAN
Chicago O'Hare Intl
Thu 10/1
7:25 pm-10:50 pm
2 stops45h 25m
Manchester
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$255
ChicagoManchester
ORD Chicago O'Hare Intl - MAN Manchester
ORDMAN
Chicago O'Hare Intl
Sun 10/25
7:30 pm-10:45 am
1 stop10h 15m
Manchester
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$255
ChicagoGlasgow
ORD Chicago O'Hare Intl - GLA Glasgow Intl
ORDGLA
Chicago O'Hare Intl
Thu 11/5
6:30 pm-9:55 am
1 stop9h 25m
Glasgow Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$265
ChicagoManchester
ORD Chicago O'Hare Intl - MAN Manchester
ORDMAN
Chicago O'Hare Intl
Fri 10/2
10:25 pm-7:45 am
3 stops27h 20m
Manchester
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$277
ChicagoGlasgow
ORD Chicago O'Hare Intl - GLA Glasgow Intl
ORDGLA
Chicago O'Hare Intl
Tue 12/29
7:25 pm-9:55 am
1 stop8h 30m
Glasgow Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$285
ChicagoManchester
ORD Chicago O'Hare Intl - MAN Manchester
ORDMAN
Chicago O'Hare Intl
Sun 10/25
7:30 pm-11:55 pm
2 stops23h 25m
Manchester
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$294
ChicagoLondon
ORD Chicago O'Hare Intl - LTN London Luton
ORDLTN
Chicago O'Hare Intl
Wed 10/7
10:25 pm-10:45 pm
2 stops42h 20m
London Luton
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$301
ChicagoEdinburgh
ORD Chicago O'Hare Intl - EDI Edinburgh Turnhouse
ORDEDI
Chicago O'Hare Intl
Sun 10/25
7:30 pm-12:25 am
2 stops23h 55m
Edinburgh Turnhouse
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$302
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Chicago to United Kingdom
Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Chicago with our price prediction graph.
ORD-MAN
ORD-GLA
ORD-EDI
ORD-LHR
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 to the United Kingdom
CHI-GB0
ORD-MAN
ORD-GLA
ORD-EDI
ORD-LHR
What is the cheapest month to book a flight from Chicago to United Kingdom?
Currently, January is the cheapest month in which you can book a flight from Chicago to United Kingdom (average of $653). Flying from Chicago to United Kingdom in June is currently the most expensive (average of $1,349). 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 GB?
Find hourly flight availability from Chicago to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2026.
When flying from Chicago to United Kingdom, 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 Chicago to United Kingdom
Explore weekly flight availability from Chicago to United Kingdom. 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 17, 2026.
The most flights from CHI to GB0 are scheduled on a Wednesday (54 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (39 on average).
How often are flights from Chicago to the United Kingdom delayed?
About 25% of weekly flights between Chicago and United Kingdom have experienced delays in the past year, with the average delay time being 167 minutes.
What is the most punctual flight time for Chicago to the United Kingdom 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 the United Kingdom flights?
Over the last year, British Airways have had the lowest number of delays on this route, with just 23% of flights being delayed.
How far ahead should I book a flight from Chicago to United Kingdom?
The price you pay for your flight from Chicago to United Kingdom may vary depending on when you book. For the best chance of a lower fare, look to book 9 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing United Kingdom
Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated September 17, 2026.
Peruse reviews from past customers who have flown with United Airlines,Aer Lingus, andAmerican Airlines from Chicago to the United Kingdom 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.
Food
6.7
Overall
7.4
Crew
8.1
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Food
6.7
Overall
7.4
Crew
8.1
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Food
6.7
Overall
7.4
Crew
8.1
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Food
6.7
Overall
7.4
Crew
8.1
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Food
6.7
Overall
7.4
Crew
8.1
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Food
6.7
Overall
7.4
Crew
8.1
Boarding
7.7
Comfort
7.3
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 Chicago to United Kingdom. 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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Alternative routes for Chicago to United Kingdom
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Complete your trip
Complete your trip to United Kingdom by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Chicago to United Kingdom by cabin class
Find flights from Chicago to United Kingdom, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chicago and United Kingdom flights
Browse other Chicago and United Kingdom flight options. Last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Chicago to United Kingdom flights
Consider these flights traveling from Chicago to United Kingdom.
Fly to United Kingdom regions
Consider these flights traveling to United Kingdom regions.
Top 10 airlines flying from Chicago to United Kingdom
Discover the top 10 airlines that operate flights from Chicago to United Kingdom. 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$144 | Average$714 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$286 | Average$1,411 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$362 | Average$890 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$430 | Average$691 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$432 | Average$726 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$448 | Average$975 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$458 | Average$823 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$476 | Average$730 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$488 | Average$1,268 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$522 | Average$809 | FlexibilityNo cancel fee | On-time75% |