$208+ Cheap flights from Chicago (CHI) to the United Kingdom
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LHR
Apr 16 — Apr 231
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to United Kingdom with Cheapflights
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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 March 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 March 17, 2026.
This KAYAK deal was found by Cheapflights users on 3/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:20 pm
ORD
- MAN
2 stops18h 15m
Scandinavian Airlines
Sun 12/1310:10 am
MAN
- ORD
1 stop12h 35m
Scandinavian Airlines
Deal found 3/14![Scandinavian Airlines logo]()
$562
This FlightHub deal was found by Cheapflights users on 3/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:20 pm
ORD
- MAN
2 stops35h 55m
Scandinavian Airlines
Tue 12/1510:10 am
MAN
- ORD
1 stop12h 35m
Scandinavian Airlines
Deal found 3/14![Scandinavian Airlines logo]()
$574
This oojo deal was found by Cheapflights users on 3/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/47:25 pm
ORD
- GLA
1 stop12h 10m
Icelandair
Fri 4/102:30 pm
GLA
- ORD
1 stop12h 55m
Icelandair
Deal found 3/15![Icelandair logo]()
$585
This Gotogate deal was found by Cheapflights users on 3/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:25 pm
ORD
- MAN
1 stop10h 15m
Icelandair
Fri 5/81:05 pm
MAN
- ORD
1 stop11h 10m
Icelandair
Deal found 3/12![Icelandair logo]()
$587
This FlightHub deal was found by Cheapflights users on 3/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:25 pm
ORD
- GLA
1 stop12h 00m
Icelandair
Wed 4/152:20 pm
GLA
- ORD
1 stop9h 55m
Icelandair
Deal found 3/12![Icelandair logo]()
$588
This FlightHub deal was found by Cheapflights users on 3/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/47:25 pm
ORD
- GLA
1 stop12h 10m
Icelandair
Wed 4/152:20 pm
GLA
- ORD
1 stop9h 55m
Icelandair
Deal found 3/14![Icelandair logo]()
$589
This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
Sun 4/126:00 pm
ORD
- LHR
1 stop22h 55m
TAP AIR PORTUGAL
Sat 4/188:00 am
LHR
- ORD
1 stop14h 05m
TAP AIR PORTUGAL
Deal found 3/12![TAP AIR PORTUGAL logo]()
$590
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:00 pm
ORD
- LHR
1 stop12h 45m
TAP AIR PORTUGAL
Tue 5/57:50 pm
LHR
- ORD
1 stop26h 10m
TAP AIR PORTUGAL
Deal found 3/13![TAP AIR PORTUGAL logo]()
$591
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 pm
ORD
- LHR
1 stop15h 35m
TAP AIR PORTUGAL
Wed 5/68:00 am
LHR
- ORD
1 stop14h 00m
TAP AIR PORTUGAL
Deal found 3/13![TAP AIR PORTUGAL logo]()
$592
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 pm
ORD
- LHR
1 stop22h 55m
TAP AIR PORTUGAL
Tue 4/287:50 pm
LHR
- ORD
1 stop26h 10m
TAP AIR PORTUGAL
Deal found 3/13![TAP AIR PORTUGAL logo]()
$593
This oojo deal was found by Cheapflights users on 3/16. 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.
Tue 9/227:25 pm
ORD
- GLA
1 stop12h 00m
Icelandair
Fri 10/22:20 pm
GLA
- ORD
1 stop9h 55m
Icelandair
Deal found 3/16![Icelandair logo]()
$593
This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
Sun 4/266:00 pm
ORD
- LHR
1 stop12h 45m
TAP AIR PORTUGAL
Tue 5/127:50 pm
LHR
- ORD
1 stop26h 10m
TAP AIR PORTUGAL
Deal found 3/12![TAP AIR PORTUGAL logo]()
$595
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 March 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 March 17, 2026.
This Norse deal was found by Cheapflights users on 3/14. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/248:05 am
ORD
- LGW
1 stop20h 55m
Multiple Airlines
Wed 4/292:00 pm
LGW
- ORD
1 stop25h 05m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$614
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:45 pm
ORD
- LHR
Nonstop8h 10m
United Airlines
Thu 4/26:55 am
LHR
- ORD
1 stop13h 05m
United Airlines
Deal found 3/12![United Airlines logo]()
$761
This Delta deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:51 pm
ORD
- LHR
1 stop13h 59m
Delta
Wed 5/206:30 am
LHR
- ORD
2 stops15h 59m
Delta
Deal found 3/14![Delta logo]()
$772
This KLM deal was found by Cheapflights users on 3/14. 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.
Tue 4/2812:52 pm
MDW
- LHR
1 stop11h 33m
KLM
Tue 5/512:25 pm
LHR
- MDW
1 stop12h 11m
KLM
Deal found 3/14![KLM logo]()
$787
This Scandinavian Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:15 pm
ORD
- MAN
2 stops34h 30m
Scandinavian Airlines
Mon 4/209:35 am
MAN
- ORD
1 stop12h 35m
Scandinavian Airlines
Deal found 3/15![Scandinavian Airlines logo]()
$807
This Icelandair deal was found by Cheapflights users on 3/12. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1910:25 pm
ORD
- GLA
1 stop9h 00m
Icelandair
Mon 5/252:20 pm
GLA
- ORD
1 stop9h 55m
Icelandair
Deal found 3/12![Icelandair logo]()
$817
This British Airways deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/229:35 pm
ORD
- LHR
Nonstop7h 50m
British Airways
Mon 4/611:00 am
LHR
- ORD
1 stop13h 07m
British Airways
Deal found 3/16![British Airways logo]()
$848
This Virgin Atlantic deal was found by Cheapflights users on 3/12. 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.
Fri 4/101:10 pm
MDW
- LHR
1 stop12h 00m
Virgin Atlantic
Fri 4/1710:45 am
LHR
- MDW
1 stop13h 13m
Virgin Atlantic
Deal found 3/12![Virgin Atlantic logo]()
$852
This Lufthansa deal was found by Cheapflights users on 3/14. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/34:05 pm
ORD
- GLA
1 stop18h 35m
Lufthansa
Tue 4/149:30 am
GLA
- ORD
1 stop16h 25m
Lufthansa
Deal found 3/14![Lufthansa logo]()
$857
This Turkish Airlines deal was found by Cheapflights users on 3/16. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:10 pm
ORD
- STN
1 stop31h 45m
Turkish Airlines
Mon 5/2510:50 am
STN
- ORD
1 stop28h 50m
Turkish Airlines
Deal found 3/16![Turkish Airlines logo]()
$861
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/17. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:58 am
ORD
- LGW
2 stops18h 47m
TAP AIR PORTUGAL
Tue 4/144:25 pm
LGW
- ORD
1 stop29h 35m
TAP AIR PORTUGAL
Deal found 3/17![TAP AIR PORTUGAL logo]()
$971
This SWISS deal was found by Cheapflights users on 3/12. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/149:30 pm
ORD
- LGW
2 stops14h 20m
SWISS
Tue 5/199:25 am
LGW
- ORD
2 stops14h 35m
SWISS
Deal found 3/12![SWISS logo]()
$1,188
This Mytrip deal was found by Cheapflights users on 3/12. 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.
Thu 4/307:25 pm
ORD
- LTN
2 stops21h 20m
Multiple Airlines
Sun 5/105:40 am
LTN
- ORD
3 stops29h 55m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$717
This Delta deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/139:27 am
MDW
- LHR
1 stop15h 43m
Delta
Tue 4/218:40 am
LHR
- MDW
2 stops15h 56m
Delta
Deal found 3/14![Delta logo]()
$772
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/275:55 pm
ORD
- MAN
1 stop10h 30m
United Airlines
Mon 5/46:05 am
MAN
- ORD
1 stop11h 55m
United Airlines
Deal found 3/12![United Airlines logo]()
$777
This KLM deal was found by Cheapflights users on 3/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:50 pm
ORD
- LCY
1 stop10h 00m
KLM
Tue 4/219:20 am
LCY
- ORD
1 stop10h 55m
KLM
Deal found 3/15![KLM logo]()
$791
This Mytrip deal was found by Cheapflights users on 3/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:25 am
ORD
- LTN
2 stops24h 40m
Multiple Airlines
Mon 4/271:00 pm
LTN
- ORD
2 stops26h 40m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$727
This Delta deal was found by Cheapflights users on 3/12. 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.
Mon 3/301:57 pm
ORD
- MAN
2 stops18h 03m
Delta
Mon 4/65:55 am
MAN
- ORD
2 stops20h 28m
Delta
Deal found 3/12![Delta logo]()
$776
This Virgin Atlantic deal was found by Cheapflights users on 3/12. 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.
Tue 3/314:20 pm
ORD
- LCY
1 stop11h 10m
Virgin Atlantic
Sun 4/51:45 pm
LCY
- ORD
2 stops25h 40m
Virgin Atlantic
Deal found 3/12![Virgin Atlantic logo]()
$858
This Turkish Airlines deal was found by Cheapflights users on 3/16. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:10 pm
ORD
- LGW
1 stop31h 45m
Turkish Airlines
Mon 5/252:05 pm
LGW
- ORD
1 stop25h 35m
Turkish Airlines
Deal found 3/16![Turkish Airlines logo]()
$869
This KLM deal was found by Cheapflights users on 3/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:20 pm
ORD
- LCY
1 stop10h 30m
KLM
Wed 5/1310:00 am
LCY
- ORD
1 stop10h 30m
KLM
Deal found 3/12![KLM logo]()
$793
This United Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1411:00 am
ORD
- MAN
2 stops17h 25m
United Airlines
Mon 5/186:05 am
MAN
- ORD
1 stop11h 55m
United Airlines
Deal found 3/15![United Airlines logo]()
$801
This British Airways deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/269:15 pm
ORD
- GLA
1 stop11h 25m
British Airways
Sat 5/96:30 am
GLA
- ORD
2 stops16h 34m
British Airways
Deal found 3/16![British Airways logo]()
$882
This Mytrip deal was found by Cheapflights users on 3/14. 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 4/68:40 am
ORD
- LTN
2 stops23h 40m
Multiple Airlines
Mon 4/136:05 pm
LTN
- ORD
2 stops24h 50m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$749
This Lufthansa deal was found by Cheapflights users on 3/14. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/510:30 pm
ORD
- GLA
1 stop28h 20m
Lufthansa
Mon 4/135:25 pm
GLA
- ORD
1 stop25h 30m
Lufthansa
Deal found 3/14![Lufthansa logo]()
$926
This Delta deal was found by Cheapflights users on 3/12. 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 4/75:40 pm
ORD
- GLA
2 stops16h 30m
Delta
Fri 4/179:10 am
GLA
- ORD
1 stop11h 05m
Delta
Deal found 3/12![Delta logo]()
$788
This British Airways deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:00 pm
ORD
- GLA
1 stop10h 35m
British Airways
Fri 4/247:00 am
GLA
- ORD
2 stops16h 04m
British Airways
Deal found 3/16![British Airways logo]()
$882
This KLM deal was found by Cheapflights users on 3/14. 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.
Tue 3/242:05 pm
MDW
- LHR
1 stop12h 00m
KLM
Wed 4/2912:25 pm
LHR
- MDW
1 stop12h 11m
KLM
Deal found 3/14![KLM logo]()
$803
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/229:25 pm
ORD
- LGW
1 stop13h 20m
TAP AIR PORTUGAL
Mon 3/3012:05 pm
LGW
- ORD
2 stops26h 00m
TAP AIR PORTUGAL
Deal found 3/14![TAP AIR PORTUGAL logo]()
$974
This United Airlines deal was found by Cheapflights users on 3/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/196:40 pm
ORD
- LHR
Nonstop8h 20m
United Airlines
Sun 5/106:50 am
LHR
- ORD
1 stop11h 10m
United Airlines
Deal found 3/14![United Airlines logo]()
$807
Last-minute flights from Chicago to United KingdomDiscover last-minute flight deals from Chicago to United Kingdom. Data last updated March 17, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to United Kingdom. Data last updated March 17, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 3/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/47:25 pm
ORD
- GLA
1 stop12h 10m
Icelandair
Fri 4/102:30 pm
GLA
- ORD
1 stop12h 55m
Icelandair
Deal found 3/15![Icelandair logo]()
$585
This FlightHub deal was found by Cheapflights users on 3/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/47:25 pm
ORD
- GLA
1 stop12h 10m
Icelandair
Wed 4/152:20 pm
GLA
- ORD
1 stop9h 55m
Icelandair
Deal found 3/14![Icelandair logo]()
$589
This FlightHub deal was found by Cheapflights users on 3/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:25 pm
ORD
- GLA
1 stop12h 00m
Icelandair
Wed 4/152:20 pm
GLA
- ORD
1 stop9h 55m
Icelandair
Deal found 3/12![Icelandair logo]()
$588
This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
Sun 4/126:00 pm
ORD
- LHR
1 stop22h 55m
TAP AIR PORTUGAL
Sat 4/188:00 am
LHR
- ORD
1 stop14h 05m
TAP AIR PORTUGAL
Deal found 3/12![TAP AIR PORTUGAL logo]()
$590
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 pm
ORD
- LHR
1 stop22h 55m
TAP AIR PORTUGAL
Tue 4/287:50 pm
LHR
- ORD
1 stop26h 10m
TAP AIR PORTUGAL
Deal found 3/13![TAP AIR PORTUGAL logo]()
$593
This Mytrip deal was found by Cheapflights users on 3/16. 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.
Wed 4/227:25 pm
ORD
- EDI
2 stops22h 55m
Multiple Airlines
Wed 4/293:10 pm
EDI
- ORD
2 stops33h 05m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$599
This Gotogate deal was found by Cheapflights users on 3/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:25 pm
ORD
- MAN
1 stop10h 15m
Icelandair
Fri 5/81:05 pm
MAN
- ORD
1 stop11h 10m
Icelandair
Deal found 3/12![Icelandair logo]()
$587
This Mytrip deal was found by Cheapflights users on 3/12. 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 4/256:05 pm
ORD
- LHR
1 stop21h 55m
TAP AIR PORTUGAL
Wed 5/138:00 am
LHR
- ORD
1 stop14h 00m
TAP AIR PORTUGAL
Deal found 3/12![TAP AIR PORTUGAL logo]()
$596
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:00 pm
ORD
- LHR
1 stop12h 45m
TAP AIR PORTUGAL
Tue 5/57:50 pm
LHR
- ORD
1 stop26h 10m
TAP AIR PORTUGAL
Deal found 3/13![TAP AIR PORTUGAL logo]()
$591
This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
Sun 4/266:00 pm
ORD
- LHR
1 stop12h 45m
TAP AIR PORTUGAL
Tue 5/127:50 pm
LHR
- ORD
1 stop26h 10m
TAP AIR PORTUGAL
Deal found 3/12![TAP AIR PORTUGAL logo]()
$595
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:25 pm
ORD
- MAN
1 stop10h 15m
Multiple Airlines
Mon 5/46:10 pm
MAN
- ORD
2 stops26h 15m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$597
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 pm
ORD
- LHR
1 stop15h 35m
TAP AIR PORTUGAL
Wed 5/68:00 am
LHR
- ORD
1 stop14h 00m
TAP AIR PORTUGAL
Deal found 3/13![TAP AIR PORTUGAL logo]()
$592
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 March 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 March 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:25 pm
ORD
- MAN
1 stop10h 15m
Icelandair
Deal found 3/13![Icelandair logo]()
$208
This FlightHub deal was found by Cheapflights users on 3/13. 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.
Tue 4/147:25 pm
ORD
- MAN
1 stop10h 15m
Icelandair
Deal found 3/13![Icelandair logo]()
$216
This Cheapflightsfares deal was found by Cheapflights users on 3/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:25 pm
ORD
- GLA
1 stop9h 00m
Icelandair
Deal found 3/15![Icelandair logo]()
$221
This Icelandair deal was found by Cheapflights users on 3/13. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2410:25 pm
ORD
- MAN
1 stop31h 15m
Icelandair
Deal found 3/13![Icelandair logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:25 pm
ORD
- MAN
2 stops19h 55m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:25 pm
ORD
- MAN
2 stops32h 40m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/137:25 pm
ORD
- EDI
3 stops32h 55m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:25 pm
ORD
- MAN
3 stops32h 40m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:25 pm
ORD
- MAN
2 stops34h 15m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:25 pm
ORD
- MAN
2 stops16h 35m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:25 pm
ORD
- EDI
2 stops44h 35m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:25 pm
ORD
- EDI
2 stops13h 55m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$286
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 March 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $575 (Kiwi.com) |
One-way from | $208 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $707 |
Good round-trip deal | $723 or less |
Good one-way deal | $407 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 2,558,603 searches. Data last updated March 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
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Tue 3/24
8:05 am-10:00 am
1 stop20h 55m
London Gatwick
Wed 4/29
2:00 pm-9:05 am
1 stop25h 05m
$614
ChicagoLondon
ORD - LTN
ORDLTN
Chicago O'Hare Intl
Thu 4/30
7:25 pm-10:45 pm
2 stops21h 20m
London Luton
Sun 5/10
5:40 am-5:35 am
3 stops29h 55m
$717
ChicagoLondon
ORD - LTN
ORDLTN
Chicago O'Hare Intl
Tue 4/21
11:25 am-6:05 pm
2 stops24h 40m
London Luton
Mon 4/27
1:00 pm-9:40 am
2 stops26h 40m
$727
ChicagoLondon
ORD - LTN
ORDLTN
Chicago O'Hare Intl
Mon 4/6
8:40 am-2:20 pm
2 stops23h 40m
London Luton
Mon 4/13
6:05 pm-12:55 pm
2 stops24h 50m
$749
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Wed 3/25
6:45 pm-7:55 am
Nonstop8h 10m
London Heathrow
Thu 4/2
6:55 am-2:00 pm
1 stop13h 05m
$761
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Wed 5/13
12:51 pm-8:50 am
1 stop13h 59m
London Heathrow
Wed 5/20
6:30 am-4:29 pm
2 stops15h 59m
$772
ChicagoLondon
MDW - LHR
MDWLHR
Chicago Midway
Mon 4/13
9:27 am-7:10 am
1 stop15h 43m
London Heathrow
Tue 4/21
8:40 am-6:36 pm
2 stops15h 56m
$772
ChicagoManchester
ORD - MAN
ORDMAN
Chicago O'Hare Intl
Mon 3/30
1:57 pm-2:00 pm
2 stops18h 03m
Manchester
Mon 4/6
5:55 am-8:23 pm
2 stops20h 28m
$776
ChicagoManchester
ORD - MAN
ORDMAN
Chicago O'Hare Intl
Mon 4/27
5:55 pm-10:25 am
1 stop10h 30m
Manchester
Mon 5/4
6:05 am-12:00 pm
1 stop11h 55m
$777
ChicagoLondon
MDW - LHR
MDWLHR
Chicago Midway
Tue 4/28
12:52 pm-6:25 am
1 stop11h 33m
London Heathrow
Tue 5/5
12:25 pm-6:36 pm
1 stop12h 11m
$787
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-LHR
ORD-EDI
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-LHR
ORD-EDI
What is the cheapest month to book a flight from Chicago to United Kingdom?
Currently, June is the cheapest month in which you can book a flight from Chicago to United Kingdom (average of $62). Flying from Chicago to United Kingdom in July is currently the most expensive (average of $603). 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 March 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 March 17, 2026.
The most flights from CHI to GB0 are scheduled on a Monday (45 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (40 on average).
How often are flights from Chicago to the United Kingdom delayed?
About 26% of weekly flights between Chicago and United Kingdom have experienced delays in the past year, with the average delay time being 170 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 in the morning 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, American Airlines have had the lowest number of delays on this route, with just 25% of flights being delayed.
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 March 17, 2026.
Peruse reviews from past customers who have flown with United Airlines,Aer Lingus, andIcelandair 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.
Entertainment
7.1
Crew
8.1
Comfort
7.3
Overall
7.4
Boarding
7.7
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Entertainment
7.1
Crew
8.1
Comfort
7.3
Overall
7.4
Boarding
7.7
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Entertainment
7.1
Crew
8.1
Comfort
7.3
Overall
7.4
Boarding
7.7
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Entertainment
7.1
Crew
8.1
Comfort
7.3
Overall
7.4
Boarding
7.7
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Entertainment
7.1
Crew
8.1
Comfort
7.3
Overall
7.4
Boarding
7.7
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Entertainment
7.1
Crew
8.1
Comfort
7.3
Overall
7.4
Boarding
7.7
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
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.
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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 March 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 2,558,603 searches. Data last updated March 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$51 | Average$749 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$257 | Average$613 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$321 | Average$554 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$345 | Average$907 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$428 | Average$675 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$467 | Average$659 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$481 | Average$864 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$516 | Average$800 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$522 | Average$809 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$537 | Average$796 | FlexibilityNo cancel fee | On-time70% |