Flights from Chicago O'Hare to London Heathrow

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Our cheapest offers for flights from Chicago O'Hare to London Heathrow

Here you can compare cheap flights from Chicago O'Hare (ORD) to London Heathrow (LHR) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to London Heathrow. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
Chicago O'Hare
London Heathrow
Outbound
03/02/25
1 Stopover (LIS)
TP0244, TP1366
20h 15min
Return
03/07/25
1 Stopover (LIS)
TP1363, TP0243
15h 30min
TAP Air Portugal
$464
Chicago O'Hare
London Heathrow
Outbound
03/02/25
1 Stopover (ZRH)
LX0009, LX0332
11h 55min
Return
03/07/25
1 Stopover (ZRH)
LX0317, LX0008
13h 20min
Swiss International Air Lines ?
$778
Chicago O'Hare
London Heathrow
Outbound
03/02/25
1 Stopover (VIE)
OS0066, OS0451
34h 00min
Return
03/07/25
1 Stopover (VIE)
OS0458, OS0065
14h 05min
Austrian Airlines ?
$786
Prices based on recent searches, subject to last-minute changes
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Important flight information

Flight information: Chicago O'Hare - London Heathrow

Roundtrip from $463.84
Distance 6351 km
Departure airport Airport Chicago O'Hare International Airport, IL (ORD)
Arrival airport Airport London Heathrow (LHR)
Destination country Flights to United Kingdom
Alternative routes to United Kingdom
Alternative flights to London Heathrow
Flight destinations with a similar price
Flight destinations with a similar price
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* Prices may vary, please check the travel details given by the online travel agency before booking. Prices include taxes.