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Flights to London  |  From Chicago

All fares are indicative. Prices are correct at the date and time last updated.
Flights to London - Cheapest per month
$677 USD
KLM
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Chicago O`Hare13 Oct 2025, 16:40London Heathrow14 Oct 2025, 09:0010h 20
1 stop		KLM
London Heathrow20 Oct 2025, 08:40Chicago O`Hare20 Oct 2025, 14:4012h 00
1 stop		KLM
Last updated: 1 Days Ago
Date: 13 Oct - 20 Oct
$747 USD
Air France
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Chicago O`Hare13 Oct 2025, 16:56London Heathrow14 Oct 2025, 08:559h 59
1 stop		Air France
London Heathrow20 Oct 2025, 08:40Chicago O`Hare20 Oct 2025, 14:4012h 00
1 stop		KLM
Last updated: 1 Days Ago
Date: 13 Oct - 20 Oct
$1,109 USD
Air France
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Chicago Midway13 Mar 2026, 17:59London Heathrow14 Mar 2026, 08:458h 46
1 stop		Air France
London Heathrow28 Mar 2026, 11:05Chicago Midway28 Mar 2026, 18:0813h 03
1 stop		Air France
Last updated: 1 Days Ago
Date: 13 Mar - 28 Mar
$1,109 USD
KLM
Check
Chicago Midway13 Mar 2026, 17:59London Heathrow14 Mar 2026, 08:458h 46
1 stop		KLM
London Heathrow28 Mar 2026, 11:05Chicago Midway28 Mar 2026, 18:0813h 03
1 stop		KLM
Last updated: 1 Days Ago
Date: 13 Mar - 28 Mar

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