Flight Routes from London Heathrow to Denver

Trip type

Our cheapest offers for flights from London Heathrow to Denver

Here you can compare cheap flights from London Heathrow (LHR) to Denver (DEN) 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 Denver. Prices and availability may change at any time.

Flight schedule from London Heathrow (LHR) to Denver (DEN)

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

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Active filtersnone
Matching outbound flights8 of 8
fromto
dep.arr.
durationstopovers
  1. 31 Aug – 6 Sept 2026
  2. 7 – 13 September 2026
  3. 14 – 20 September 2026
    1. LHRDEN
      1 stopover
      1. Lufthansa
    2. LHRDEN
      non-stop
      1. United Airlines
    3. LHRDEN
      non-stop
      1. United Airlines
    4. LHRDEN
      1 stopover
      1. Aer Lingus Irish Airlines
    5. LHRDEN
      non-stop
      1. British Airways
    6. LHRDEN
      non-stop
      1. United Airlines
    7. LHRDEN
      non-stop
      1. United Airlines
    8. LHRDEN
      1 stopover
      1. Air Canada

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

      Favourite airline: Icelandair
      Icelandair is the most popular airline for flights from London Heathrow to Denver.
      Icelandair
      33 %
      Air Canada
      28 %
      Virgin Atlantic
      11 %
      Direct flights are more expensive
      On this route, direct flights are £104.00 more expensive than flights with a stopover.
      non stop flight
      1 stop
      2 stops
      09h 45min
      22h 05min
      22h 39min
      724 £
      620 £
      1.390 £
      Favourite connection: via Reykjavik-Keflavik
      When booking flights from London Heathrow to Denver 45 % of travellers prefer to fly via Reykjavik-Keflavik.
      Route
      bookings
      1 stopover Reykjavik-Keflavik International
      22h 05min, from 620 £
      45 %
      1 stopover Montréal-Pierre Elliott Trudeau International Airport
      32h 00min, from 696 £
      27 %
      1 stopover Vancouver International Airport, BC
      15h 36min, from 695 £
      11 %

      Important flight information

      Flight information: London Heathrow - Denver

      Outbound and return from 507,99 £
      Flight duration min. 09:55
      Return flight duration min. 09:00
      Distance 7504 km
      Flights per week 8
      Departure airport Airport London Heathrow (LHR)
      Arrival airport Airport Denver (DEN)
      Destination country Flights to United States
      City-Code - Arrival airport London - Denver
      Departure airport - Destination country London Heathrow - United States
      Alternative routes to United States
      Alternative flights to Denver
      Flight destinations with a similar price