Flight Routes from Chicago to London Heathrow

Trip type

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.

Flight schedule from Chicago (CHI) to London Heathrow (LHR)

Select a travel date in the flight schedule for the route from Chicago (CHI) to London Heathrow (LHR) and compare affordable flight deals.

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Active filtersnone
Matching outbound flights21 of 21
fromto
dep.arr.
durationstopovers
  1. August 9 – 15, 2026
  2. August 16 – 22, 2026
  3. August 23 – 29, 2026
    No flights could be found for the active filters.
    1. ORDLHR
      nonstop
      1. American Airlines
    2. ORDLHR
      1 stopover
      1. Aer Lingus Irish Airlines
    3. ORDLHR
      nonstop
      1. United Airlines
    4. ORDLHR
      nonstop
      1. British Airways
    5. ORDLHR
      nonstop
      1. American Airlines
    6. ORDLHR
      nonstop
      1. American Airlines
    7. ORDLHR
      nonstop
      1. United Airlines
    8. ORDLHR
      nonstop
      1. United Airlines
    9. ORDLHR
      nonstop
      1. British Airways
    10. ORDLHR
      1 stopover
      1. SAS Scandinavian Airlines
    11. ORDLHR
      1 stopover
      1. SAS Scandinavian Airlines
    12. ORDLHR
      1 stopover
      1. SAS Scandinavian Airlines
    13. ORDLHR
      1 stopover
      1. SAS Scandinavian Airlines
    14. ORDLHR
      1 stopover
      1. Icelandair
    15. ORDLHR
      nonstop
      1. American Airlines

      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
      Departure airport - Destination country Chicago-IL, all airports - United Kingdom
      Departure airport - City-Code Chicago-IL, all airports - London
      Alternative routes to United Kingdom
      Alternative flights to London Heathrow
      Flight destinations with a similar price