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Cheap flights from Chicago (CHI) to London (LCY)

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How to find the cheapest flight from Chicago (CHI) to London (LCY)

How to find the cheapest flight from Chicago (CHI) to London (LCY)
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How to find the cheapest flight from Chicago (CHI) to London (LCY)
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How to find the cheapest flight from Chicago (CHI) to London (LCY)
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Cheap flights from Chicago to London in January , February 2026

28 Jan - 06 Feb $ 613.00
CHI
Chicago
Swiss International Air Lines
1 STOPS
LCY
London
LCY
London
Swiss International Air Lines
1 STOPS
CHI
Chicago
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18 Jan - 03 Feb $ 618.00
CHI
Chicago
Swiss International Air Lines
1 STOPS
LCY
London
LCY
London
Swiss International Air Lines
1 STOPS
CHI
Chicago
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14 Jan - 09 Feb $ 1,080.00
CHI
Chicago
Swiss International Air Lines
1 STOPS
LCY
London
LCY
London
Swiss International Air Lines
1 STOPS
CHI
Chicago
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Last minute flights from Chicago to London

20 Jan - 31 Jan $ 989.00
CHI
Chicago
Aer Lingus
2 STOPS
LCY
London
LCY
London
Aer Lingus
2 STOPS
CHI
Chicago
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14 Jan - 31 Jan $ 1,753.00
CHI
Chicago
Aer Lingus
1 STOPS
LCY
London
LCY
London
Aer Lingus
1 STOPS
CHI
Chicago
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12 Jan - 31 Jan $ 1,769.00
CHI
Chicago
Aer Lingus
1 STOPS
LCY
London
LCY
London
Aer Lingus
1 STOPS
CHI
Chicago
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One-way flights to London from Chicago

4:05 PM - 8:35 AM
Lufthansa
1 Stops
11h
CHI - LCY
$ 421
Kiwi
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4:10 PM - 12:10 PM
United Airlines
1 Stops
14h 45m
CHI - LCY
$ 423
Kiwi
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4:25 PM - 8:05 AM
KLM Royal Dutch Airlines
1 Stops
9h 45m
CHI - LCY
$ 474
Kiwi
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How to find the cheapest flight from Chicago (CHI) to London (LCY)

Related info for your journey
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How to find the cheapest flight from Chicago (CHI) to London (LCY)
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How to find the cheapest flight from Chicago (CHI) to London (LCY)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.