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Prices were available within the past 7 days and start at €458 for one-way flights and €743 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Mon, 17 Aug - Wed, 26 Aug
ORD
Chicago
LHR
London
€743 Return, found 3 days ago
€743
Return
found 3 days ago
Sun, 10 May - Tue, 19 May
MDW
Chicago
LHR
London
€810 Return, found 5 days ago
€810
Return
found 5 days ago
Sun, 10 May - Tue, 19 May
ORD
Chicago
LCY
London
€867 Return, found 5 days ago
€867
Return
found 5 days ago
Thu, 17 Sept - Mon, 21 Sept
ORD
Chicago
LCY
London
€870 Return, found 2 days ago
€870
Return
found 2 days ago
Mon, 10 Aug - Tue, 18 Aug
ORD
Chicago
LCY
London
€888 Return, found 6 days ago
€888
Return
found 6 days ago
Mon, 10 Aug - Tue, 18 Aug
ORD
Chicago
LCY
London
€912 Return, found 6 days ago
€912
Return
found 6 days ago
Find the cheapest month to fly from Chicago (CHI) to London (LON)
April is typically the cheapest month to fly
From €478 - €832 per traveller.
Travel information
Origin airport | O'Hare Intl. |
|---|---|
Destination airport | Heathrow |
Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, ITA Airways, Iberia, Icelandair, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, TAP Portugal, Turkish Airlines, United, Virgin Atlantic |
Popular airline | Aer Lingus |
Distance | 6307 km |
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