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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 September , October 2026

29 Sep - 06 Oct $ 808.00
CHI
Chicago
KLM Royal Dutch Airlines
1 STOPS
LCY
London
LCY
London
KLM Royal Dutch Airlines
1 STOPS
CHI
Chicago
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14 Sep - 06 Oct $ 1,730.00
CHI
Chicago
Aer Lingus
1 STOPS
LCY
London
LCY
London
Aer Lingus
1 STOPS
CHI
Chicago
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09 Sep - 07 Oct $ 1,881.00
CHI
Chicago
Virgin Atlantic Airways
1 STOPS
LCY
London
LCY
London
Virgin Atlantic Airways
1 STOPS
CHI
Chicago
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Last minute flights from Chicago to London

15 Sep - 30 Sep $ 1,062.00
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 Sep - 01 Oct $ 1,966.00
CHI
Chicago
Swiss International Air Lines
1 STOPS
LCY
London
LCY
London
Swiss International Air Lines
1 STOPS
CHI
Chicago
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09 Sep - 30 Sep $ 2,170.00
CHI
Chicago
Virgin Atlantic Airways
1 STOPS
LCY
London
LCY
London
Virgin Atlantic Airways
1 STOPS
CHI
Chicago
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One-way flights to London from Chicago

7:05 AM - 7:50 AM
Virgin Atlantic Airways
2 Stops
18h 50m
CHI - LCY
$ 534
Kiwi
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9:38 AM - 8:15 AM
Lufthansa
2 Stops
17h 2m
CHI - LCY
$ 543
Kiwi
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7:05 PM - 11:55 AM
Swiss International Air Lines
1 Stops
11h 30m
CHI - LCY
$ 763
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.