Flights from Chicago to London Heathrow

Our cheapest offers for flights from Chicago to London Heathrow

Here you can compare cheap flights from Chicago (CHI) 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.

Please use our search to find current cheap offers for the following route: from Chicago (CHI) to London Heathrow (LHR)
You can also change your filters (Departure airport: Chicago (CHI), Destination airport: London Heathrow (LHR)) or look for alternative cheap flights.

Important flight information

Flight information: Chicago - London Heathrow

Flight duration min. 07:35 / max. 08:00
Return flight duration min. 08:45/ max. 09:15
Distance 6341 km
Flights per week 55
Departure airport Airport Chicago-IL, all airports (CHI)
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