Flights from Chicago to London Heathrow

  • Find cheap flights
  • Booking tips

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.

Tips and tricks to help you find cheap flights from Chicago to London Heathrow

Tip: book 6 weeks before departure
The best time to buy tickets is 6 weeks before the flight. Pay only $455.00.
45 days before departure

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 Chicago-IL all Airports (ORD, MDW, RFD) (CHI)
Arrival airport London Heathrow (LHR)
Destination country United Kingdom
Alternative routes to United Kingdom
Alternative flights to London Heathrow
Flight destinations with a similar price
AirportsAirlinesFlight RoutesFlight Shops
Privacy | | About / Terms and conditions
* Prices may vary, please check the travel details given by the online travel agency before booking. Prices include taxes.