Cheap flights from London to Chicago – Compare and Save

LON — CHI
6 Aug — 13 Aug1
1 adult

Find flight deals from London to Chicago

Cheapest flights from London to Chicago
Explore the most affordable flight options available from London to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 August 2025.

Wed 29/1009:25LCY - ORD
1 stop12h 55mSWISS
Tue 4/1118:50ORD - LCY
1 stop16h 15mSWISS
Deal found 1/8£439
Thu 11/906:50LHR - ORD
2 stops14h 05mAir Canada
Mon 15/918:01ORD - LHR
1 stop11h 49mAir Canada
Deal found 30/7£439
Sat 13/914:00LGW - MDW
1 stop25h 18mMultiple Airlines
Sat 20/910:51MDW - LGW
1 stop17h 09mMultiple Airlines
Deal found 30/7£440
Sun 19/1015:40LGW - ORD
1 stop11h 35mIcelandair
Tue 18/1118:30ORD - LGW
1 stop10h 25mIcelandair
Deal found 31/7£440
Thu 9/1009:15LHR - ORD
1 stop14h 21mFinnair
Mon 13/1006:58ORD - LHR
2 stops17h 22mFinnair
Deal found 30/7£440
Mon 15/909:00LTN - ORD
1 stop16h 00mMultiple Airlines
Mon 22/915:45ORD - LTN
1 stop11h 15mMultiple Airlines
Deal found 1/8£440
Sat 13/906:35STN - ORD
1 stop13h 25mMultiple Airlines
Sat 27/921:15ORD - STN
1 stop10h 25mMultiple Airlines
Deal found 30/7£440
Fri 10/1015:40LGW - ORD
1 stop32h 35mIcelandair
Wed 15/1022:15ORD - LGW
1 stop10h 25mIcelandair
Deal found 1/8£441
Fri 19/913:05LHR - ORD
1 stop11h 10mIcelandair
Tue 14/1019:25ORD - LHR
1 stop10h 30mIcelandair
Deal found 30/7£441
Fri 5/911:30LTN - ORD
1 stop13h 30mMultiple Airlines
Fri 12/921:15ORD - LTN
1 stop10h 20mMultiple Airlines
Deal found 31/7£441
Mon 15/909:20LHR - MDW
1 stop18h 16mVirgin Atlantic
Mon 22/912:43MDW - LHR
1 stop12h 02mVirgin Atlantic
Deal found 1/8£441
Mon 20/1015:40LGW - ORD
1 stop32h 35mIcelandair
Thu 4/1218:30ORD - LGW
1 stop10h 25mIcelandair
Deal found 31/7£441

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