$239+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LHR
Aug 29 — Sep 51
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Chicago to United Kingdom 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.Cheap flight deals from Chicago to United Kingdom
Cheapest
Best
Last-minute
One-way
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 July 30, 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 July 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Wed 9/910:25 pm
ORD
- GLA
1 stop9h 00m
Multiple Airlines
Sun 9/209:45 pm
GLA
- ORD
2 stops31h 14m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$634
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:30 pm
ORD
- GLA
1 stop9h 25m
Icelandair
Mon 11/1611:55 am
GLA
- ORD
1 stop11h 25m
Icelandair
Deal found 7/27![Icelandair logo]()
$653
This Cheapflightsfares deal was found by Cheapflights users on 7/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:25 pm
ORD
- GLA
1 stop12h 00m
Icelandair
Sat 10/242:20 pm
GLA
- ORD
1 stop9h 55m
Icelandair
Deal found 7/26![Icelandair logo]()
$654
This Bravofly deal was found by Cheapflights users on 7/26. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:25 pm
ORD
- GLA
1 stop9h 00m
Icelandair
Wed 9/162:20 pm
GLA
- ORD
1 stop9h 55m
Icelandair
Deal found 7/26![Icelandair logo]()
$655
This deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:25 pm
ORD
- GLA
1 stop9h 00m
Icelandair
Wed 10/212:20 pm
GLA
- ORD
1 stop9h 55m
Icelandair
Deal found 7/25![Icelandair logo]()
$658
This Cheapflightsfares deal was found by Cheapflights users on 7/28. 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 Cheapflightsfares 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
Tue 10/62:20 pm
GLA
- ORD
1 stop9h 55m
Icelandair
Deal found 7/28![Icelandair logo]()
$660
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 10/1410:25 pm
ORD
- GLA
1 stop9h 00m
Multiple Airlines
Tue 10/205:40 pm
GLA
- ORD
2 stops31h 35m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$662
This FlightHub deal was found by Cheapflights users on 7/29. 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.
Fri 10/910:25 pm
ORD
- GLA
1 stop9h 00m
Icelandair
Sat 10/172:20 pm
GLA
- ORD
1 stop9h 55m
Icelandair
Deal found 7/29![Icelandair logo]()
$665
This Cheapflightsfares deal was found by Cheapflights users on 7/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:25 pm
ORD
- GLA
1 stop9h 00m
Icelandair
Tue 9/152:20 pm
GLA
- ORD
1 stop9h 55m
Icelandair
Deal found 7/26![Icelandair logo]()
$667
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Mon 9/710:25 pm
ORD
- GLA
1 stop9h 00m
Multiple Airlines
Tue 9/155:40 pm
GLA
- ORD
2 stops31h 35m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$669
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 9/1810:25 pm
ORD
- GLA
1 stop9h 00m
Multiple Airlines
Tue 9/295:40 pm
GLA
- ORD
2 stops31h 35m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$670
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Mon 8/2410:25 pm
ORD
- LGW
2 stops19h 00m
Multiple Airlines
Tue 9/89:35 pm
LGW
- ORD
2 stops28h 13m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$691
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 July 30, 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 July 30, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:25 pm
ORD
- GLA
1 stop9h 00m
Icelandair
Sun 10/182:20 pm
GLA
- ORD
1 stop9h 55m
Icelandair
Deal found 7/29![Icelandair logo]()
$653
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Sun 10/257:30 pm
ORD
- LTN
1 stop14h 35m
Multiple Airlines
Thu 10/296:00 am
LTN
- ORD
1 stop17h 20m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$696
This Scandinavian Airlines deal was found by Cheapflights users on 7/29. 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.
Thu 10/17:15 pm
ORD
- LHR
2 stops18h 40m
Scandinavian Airlines
Sat 10/106:40 am
LHR
- ORD
1 stop15h 30m
Scandinavian Airlines
Deal found 7/29![Scandinavian Airlines logo]()
$810
This Turkish Airlines deal was found by Cheapflights users on 7/27. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:10 pm
ORD
- STN
1 stop38h 30m
Turkish Airlines
Tue 10/275:20 pm
STN
- ORD
1 stop31h 00m
Turkish Airlines
Deal found 7/27![Turkish Airlines logo]()
$833
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/29. 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.
Thu 10/16:00 pm
ORD
- LGW
2 stops20h 25m
TAP AIR PORTUGAL
Tue 10/64:25 pm
LGW
- ORD
1 stop29h 35m
TAP AIR PORTUGAL
Deal found 7/29![TAP AIR PORTUGAL logo]()
$835
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Mon 11/27:05 am
ORD
- LHR
1 stop18h 05m
United Airlines
Tue 11/106:50 am
LHR
- ORD
1 stop11h 20m
United Airlines
Deal found 7/26![United Airlines logo]()
$854
This Delta deal was found by Cheapflights users on 7/27. 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.
Tue 9/17:55 am
ORD
- GLA
2 stops18h 30m
Delta
Fri 9/116:00 am
GLA
- ORD
1 stop14h 15m
Delta
Deal found 7/27![Delta logo]()
$877
This Virgin Atlantic deal was found by Cheapflights users on 7/27. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:19 pm
MDW
- LHR
2 stops15h 01m
Virgin Atlantic
Tue 9/2911:45 am
LHR
- MDW
2 stops16h 59m
Virgin Atlantic
Deal found 7/27![Virgin Atlantic logo]()
$888
This KLM deal was found by Cheapflights users on 7/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:20 pm
ORD
- LCY
1 stop11h 10m
KLM
Fri 10/239:20 am
LCY
- ORD
1 stop10h 55m
KLM
Deal found 7/27![KLM logo]()
$898
This ITA Airways deal was found by Cheapflights users on 7/26. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/123:00 pm
ORD
- LCY
2 stops16h 10m
ITA Airways
Mon 8/317:25 pm
LCY
- ORD
2 stops23h 45m
ITA Airways
Deal found 7/26![ITA Airways logo]()
$931
This KAYAK deal was found by Cheapflights users on 7/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:35 am
ORD
- EDI
1 stop17h 45m
JetBlue
Sat 8/2911:30 am
EDI
- ORD
1 stop28h 41m
JetBlue
Deal found 7/29![JetBlue logo]()
$959
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Fri 10/97:25 pm
ORD
- GLA
1 stop12h 00m
Multiple Airlines
Sun 10/181:50 pm
GLA
- ORD
3 stops30h 10m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$716
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Sun 11/16:30 pm
ORD
- LTN
1 stop14h 35m
Multiple Airlines
Sat 11/147:00 am
LTN
- ORD
1 stop16h 20m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$721
This Scandinavian Airlines deal was found by Cheapflights users on 7/25. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:15 pm
ORD
- LHR
1 stop17h 15m
Scandinavian Airlines
Tue 11/39:05 pm
LHR
- ORD
2 stops25h 40m
Scandinavian Airlines
Deal found 7/25![Scandinavian Airlines logo]()
$811
This Turkish Airlines deal was found by Cheapflights users on 7/27. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:10 pm
ORD
- STN
1 stop31h 45m
Turkish Airlines
Thu 9/245:35 pm
STN
- ORD
1 stop22h 05m
Turkish Airlines
Deal found 7/27![Turkish Airlines logo]()
$833
This Icelandair deal was found by Cheapflights users on 7/28. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3010:25 pm
ORD
- LHR
1 stop31h 30m
Icelandair
Tue 9/229:25 pm
LHR
- ORD
1 stop30h 00m
Icelandair
Deal found 7/28![Icelandair logo]()
$837
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Tue 9/88:45 am
ORD
- GLA
2 stops19h 25m
United Airlines
Tue 9/152:00 pm
GLA
- ORD
1 stop14h 15m
United Airlines
Deal found 7/25![United Airlines logo]()
$879
This Delta deal was found by Cheapflights users on 7/29. 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.
Mon 9/211:00 pm
MDW
- LHR
1 stop11h 25m
Delta
Tue 9/298:40 am
LHR
- MDW
2 stops15h 39m
Delta
Deal found 7/29![Delta logo]()
$884
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/29. 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.
Thu 8/207:50 pm
ORD
- LGW
1 stop31h 55m
TAP AIR PORTUGAL
Tue 8/259:15 pm
LGW
- ORD
2 stops23h 30m
TAP AIR PORTUGAL
Deal found 7/29![TAP AIR PORTUGAL logo]()
$892
This Virgin Atlantic deal was found by Cheapflights users on 7/27. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:29 am
MDW
- LHR
1 stop15h 41m
Virgin Atlantic
Tue 10/2010:45 am
LHR
- MDW
1 stop13h 15m
Virgin Atlantic
Deal found 7/27![Virgin Atlantic logo]()
$912
This Booking.com deal was found by Cheapflights users on 7/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:00 pm
ORD
- LTN
2 stops23h 25m
Multiple Airlines
Tue 9/224:10 pm
LTN
- ORD
2 stops29h 50m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$760
This Scandinavian Airlines deal was found by Cheapflights users on 7/27. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:15 pm
ORD
- LHR
1 stop16h 25m
Scandinavian Airlines
Fri 11/137:50 pm
LHR
- ORD
2 stops26h 55m
Scandinavian Airlines
Deal found 7/27![Scandinavian Airlines logo]()
$849
This Turkish Airlines deal was found by Cheapflights users on 7/27. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:25 am
ORD
- EDI
1 stop22h 35m
Turkish Airlines
Wed 10/2810:40 am
EDI
- ORD
1 stop29h 20m
Turkish Airlines
Deal found 7/27![Turkish Airlines logo]()
$856
This KLM deal was found by Cheapflights users on 7/25. 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.
Wed 9/94:50 pm
ORD
- LCY
1 stop10h 40m
KLM
Wed 9/168:25 am
LCY
- ORD
1 stop12h 05m
KLM
Deal found 7/25![KLM logo]()
$953
This United Airlines deal was found by Cheapflights users on 7/25. 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 11/239:50 pm
ORD
- LHR
Nonstop8h 10m
United Airlines
Fri 11/271:35 pm
LHR
- ORD
Nonstop9h 20m
United Airlines
Deal found 7/25![United Airlines logo]()
$880
This JetBlue deal was found by Cheapflights users on 7/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:59 am
ORD
- EDI
1 stop16h 21m
JetBlue
Sun 9/2012:10 pm
EDI
- ORD
1 stop15h 48m
JetBlue
Deal found 7/29![JetBlue logo]()
$993
This Virgin Atlantic deal was found by Cheapflights users on 7/27. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:44 pm
ORD
- LGW
2 stops19h 01m
Virgin Atlantic
Sun 11/2210:00 am
LGW
- ORD
1 stop12h 15m
Virgin Atlantic
Deal found 7/27![Virgin Atlantic logo]()
$915
This Delta deal was found by Cheapflights users on 7/27. 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.
Fri 10/3012:29 pm
ORD
- LGW
2 stops15h 31m
Delta
Wed 11/410:00 am
LGW
- ORD
1 stop12h 15m
Delta
Deal found 7/27![Delta logo]()
$916
This Mytrip deal was found by Cheapflights users on 7/27. 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.
Fri 9/1111:45 am
MDW
- LGW
2 stops16h 05m
Multiple Airlines
Fri 9/189:40 am
LGW
- MDW
2 stops34h 55m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$763
This Icelandair deal was found by Cheapflights users on 7/28. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:25 pm
ORD
- LGW
1 stop13h 15m
Icelandair
Thu 9/243:40 pm
LGW
- ORD
1 stop32h 35m
Icelandair
Deal found 7/28![Icelandair logo]()
$929
Last-minute flights from Chicago to United KingdomDiscover last-minute flight deals from Chicago to United Kingdom. Data last updated July 30, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to United Kingdom. Data last updated July 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Tue 8/45:13 pm
ORD
- LGW
1 stop34h 47m
Multiple Airlines
Fri 8/282:00 pm
LGW
- ORD
2 stops36h 08m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$696
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Tue 8/49:57 pm
ORD
- LGW
2 stops54h 03m
Multiple Airlines
Wed 9/302:00 pm
LGW
- ORD
1 stop15h 55m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$700
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:25 pm
ORD
- GLA
1 stop9h 00m
Icelandair
Mon 8/312:35 pm
GLA
- ORD
1 stop12h 50m
Icelandair
Deal found 7/29![Icelandair logo]()
$667
This Justfly.com deal was found by Cheapflights users on 7/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:25 pm
ORD
- GLA
1 stop9h 00m
Icelandair
Tue 10/62:20 pm
GLA
- ORD
1 stop9h 55m
Icelandair
Deal found 7/29![Icelandair logo]()
$672
This FlightHub deal was found by Cheapflights users on 7/29. 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.
Tue 8/187:25 pm
ORD
- GLA
1 stop12h 00m
Icelandair
Tue 9/12:20 pm
GLA
- ORD
1 stop13h 05m
Icelandair
Deal found 7/29![Icelandair logo]()
$679
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Tue 8/1810:25 pm
ORD
- GLA
1 stop9h 00m
Multiple Airlines
Tue 10/69:20 pm
GLA
- ORD
2 stops31h 39m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$689
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/2110:25 pm
ORD
- GLA
1 stop9h 00m
Icelandair
Tue 10/62:20 pm
GLA
- ORD
1 stop9h 55m
Icelandair
Deal found 7/29![Icelandair logo]()
$694
This Mytrip deal was found by Cheapflights users on 7/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:25 pm
ORD
- STN
2 stops17h 40m
Multiple Airlines
Mon 8/318:45 pm
STN
- ORD
2 stops30h 35m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$699
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Sat 8/2210:25 pm
ORD
- GLA
1 stop9h 00m
Multiple Airlines
Sun 8/309:45 pm
GLA
- ORD
2 stops31h 23m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$674
This Mytrip deal was found by Cheapflights users on 7/26. 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.
Sun 8/237:25 pm
ORD
- LTN
2 stops20h 55m
Multiple Airlines
Wed 9/98:00 am
LTN
- ORD
2 stops34h 40m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$696
This Mytrip deal was found by Cheapflights users on 7/26. 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.
Sun 8/237:25 pm
ORD
- STN
2 stops22h 15m
Multiple Airlines
Tue 9/16:55 pm
STN
- ORD
2 stops32h 25m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$697
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Mon 8/2410:25 pm
ORD
- LGW
2 stops19h 00m
Multiple Airlines
Tue 9/89:35 pm
LGW
- ORD
2 stops28h 13m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$691
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 July 30, 2026.
Search for one-way flight options from Chicago to United Kingdom. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
This oojo deal was found by Cheapflights users on 7/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:25 pm
ORD
- GLA
1 stop12h 00m
Icelandair
Deal found 7/26![Icelandair logo]()
$239
This oojo deal was found by Cheapflights users on 7/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:25 pm
ORD
- GLA
1 stop12h 00m
Icelandair
Deal found 7/29![Icelandair logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 10/67:25 pm
ORD
- EDI
2 stops13h 55m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Sat 10/177:25 pm
ORD
- EDI
2 stops23h 35m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$289
This Mytrip deal was found by Cheapflights users on 7/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:25 pm
ORD
- EDI
2 stops23h 00m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$294
This Justfly.com deal was found by Cheapflights users on 7/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:25 pm
ORD
- LHR
1 stop10h 30m
Icelandair
Deal found 7/29![Icelandair logo]()
$303
This FlightHub deal was found by Cheapflights users on 7/29. 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.
Tue 9/227:25 pm
ORD
- LGW
1 stop13h 15m
Icelandair
Deal found 7/29![Icelandair logo]()
$303
This Mytrip deal was found by Cheapflights users on 7/28. 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.
Tue 8/187:25 pm
ORD
- STN
2 stops21h 15m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$303
This FlightHub deal was found by Cheapflights users on 7/28. 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.
Sun 9/610:25 pm
ORD
- LHR
1 stop31h 30m
Icelandair
Deal found 7/28![Icelandair logo]()
$304
This oojo deal was found by Cheapflights users on 7/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:25 pm
ORD
- GLA
1 stop9h 00m
Icelandair
Deal found 7/29![Icelandair logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Thu 1/216:30 pm
ORD
- STN
2 stops17h 20m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Mon 12/76:30 pm
ORD
- LHR
1 stop10h 20m
Icelandair
Deal found 7/28![Icelandair logo]()
$305
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 July 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $634 (Kiwi.com) |
One-way from | $239 (oojo) |
Popular in | June |
Cheapest in | February |
Average price | $1,003 |
Good round-trip deal | $1,011 or less |
Good one-way deal | $389 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 July 30, 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 - GLA
ORDGLA
Chicago O'Hare Intl
Fri 10/9
10:25 pm-1:25 pm
1 stop9h 00m
Glasgow Intl
Sun 10/18
2:20 pm-6:15 pm
1 stop9h 55m
$653
ChicagoLondon
ORD - LTN
ORDLTN
Chicago O'Hare Intl
Sun 10/25
7:30 pm-3:05 pm
1 stop14h 35m
London Luton
Thu 10/29
6:00 am-6:20 pm
1 stop17h 20m
$696
ChicagoGlasgow
ORD - GLA
ORDGLA
Chicago O'Hare Intl
Fri 10/9
7:25 pm-1:25 pm
1 stop12h 00m
Glasgow Intl
Sun 10/18
1:50 pm-2:00 pm
3 stops30h 10m
$716
ChicagoLondon
ORD - LTN
ORDLTN
Chicago O'Hare Intl
Sun 11/1
6:30 pm-3:05 pm
1 stop14h 35m
London Luton
Sat 11/14
7:00 am-5:20 pm
1 stop16h 20m
$721
ChicagoLondon
ORD - LTN
ORDLTN
Chicago O'Hare Intl
Thu 9/10
6:00 pm-11:25 pm
2 stops23h 25m
London Luton
Tue 9/22
4:10 pm-4:00 pm
2 stops29h 50m
$760
ChicagoLondon
MDW - LGW
MDWLGW
Chicago Midway
Fri 9/11
11:45 am-9:50 am
2 stops16h 05m
London Gatwick
Fri 9/18
9:40 am-2:35 pm
2 stops34h 55m
$763
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Thu 10/1
7:15 pm-7:55 pm
2 stops18h 40m
London Heathrow
Sat 10/10
6:40 am-4:10 pm
1 stop15h 30m
$810
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Wed 10/28
8:15 pm-6:30 pm
1 stop17h 15m
London Heathrow
Tue 11/3
9:05 pm-4:45 pm
2 stops25h 40m
$811
ChicagoLondon
ORD - STN
ORDSTN
Chicago O'Hare Intl
Tue 9/29
8:10 pm-4:40 pm
1 stop38h 30m
London Stansted
Tue 10/27
5:20 pm-7:20 pm
1 stop31h 00m
$833
ChicagoLondon
ORD - STN
ORDSTN
Chicago O'Hare Intl
Wed 9/16
8:10 pm-9:55 am
1 stop31h 45m
London Stansted
Thu 9/24
5:35 pm-9:40 am
1 stop22h 05m
$833
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-GLA
ORD-LGW
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-GLA
ORD-LGW
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 $649). Flying from Chicago to United Kingdom in June is currently the most expensive (average of $1,347). 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 July 30, 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 July 30, 2026.
The most flights from CHI to GB0 are scheduled on a Thursday (57 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (48 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 172 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, British Airways have had the lowest number of delays on this route, with just 24% 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 July 30, 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.
Boarding
7.7
Comfort
7.3
Food
6.6
Crew
8.1
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentRuth,Dec 2024
ORD - AMS
Boarding
7.7
Comfort
7.3
Food
6.6
Crew
8.1
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentRuth,Dec 2024
ORD - AMS
Boarding
7.7
Comfort
7.3
Food
6.6
Crew
8.1
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentRuth,Dec 2024
ORD - AMS
Boarding
7.7
Comfort
7.3
Food
6.6
Crew
8.1
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentRuth,Dec 2024
ORD - AMS
Boarding
7.7
Comfort
7.3
Food
6.6
Crew
8.1
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentRuth,Dec 2024
ORD - AMS
Boarding
7.7
Comfort
7.3
Food
6.6
Crew
8.1
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentRuth,Dec 2024
ORD - AMS
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Top regions
Alternative routes for Chicago to United Kingdom
See prices for flight routes from nearby airports that may be better suited for you.
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 July 30, 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 July 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$51 | Average$574 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$144 | Average$713 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$362 | Average$781 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$428 | Average$721 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$430 | Average$656 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$458 | Average$786 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$468 | Average$836 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$476 | Average$720 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$513 | Average$830 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$517 | Average$894 | FlexibilityNo cancel fee | On-time70% |