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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 October , November 2026

21 Oct - 04 Nov $ 977.00
CHI
Chicago
KLM Royal Dutch Airlines
1 STOPS
LCY
London
LCY
London
KLM Royal Dutch Airlines
1 STOPS
CHI
Chicago
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20 Oct - 11 Nov $ 1,537.00
CHI
Chicago
Aer Lingus
1 STOPS
LCY
London
LCY
London
Aer Lingus
1 STOPS
CHI
Chicago
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20 Oct - 11 Nov $ 1,989.00
CHI
Chicago
Aer Lingus
1 STOPS
LCY
London
LCY
London
Aer Lingus
1 STOPS
CHI
Chicago
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Last minute flights from Chicago to London

24 Oct - 01 Nov $ 1,220.00
CHI
Chicago
Swiss International Air Lines
1 STOPS
LCY
London
LCY
London
Swiss International Air Lines
1 STOPS
CHI
Chicago
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24 Oct - 01 Nov $ 1,220.00
CHI
Chicago
Swiss International Air Lines
1 STOPS
LCY
London
LCY
London
Swiss International Air Lines
1 STOPS
CHI
Chicago
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21 Oct - 01 Nov $ 1,476.00
CHI
Chicago
Icelandair
2 STOPS
LCY
London
LCY
London
Icelandair
3 STOPS
CHI
Chicago
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One-way flights to London from Chicago

12:38 PM - 9:30 AM
Virgin Atlantic Airways
2 Stops
14h 52m
CHI - LCY
$ 571
Kiwi
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5:25 PM - 8:10 AM
KLM Royal Dutch Airlines
1 Stops
9h 45m
CHI - LCY
$ 667
Kiwi
Pick dates
5:25 PM - 8:10 AM
KLM Royal Dutch Airlines
1 Stops
9h 45m
CHI - LCY
$ 667
Kiwi
Pick dates

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)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.