Flight Routes from London Heathrow to Denver

Compare cheap outbound and return flights from London Heathrow (LHR) to Denver (DEN) and find the best offer from numerous airlines and travel agencies.

Trip type
Cheapest roundtrip flight
from€563
Fastest outbound flight
Fastest inbound flight
non-stop flights
8x / week
Flight distance
7,504 km
Time difference

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.

offers
Active filtersnone
Matching outbound flightsLHR–DEN · 7 of 7
fromto
dep.arr.
durationstopovers
  1. 21 – 27 September 2026
  2. 28 Sept – 4 Oct 2026
  3. 5 – 11 October 2026
    1. LHRDEN
      non-stop
      1. United Airlines
    2. LHRDEN
      1 stopover
      1. Aer Lingus Irish Airlines
    3. LHRDEN
      non-stop
      1. British Airways
    4. LHRDEN
      non-stop
      1. British Airways
    5. LHRDEN
      non-stop
      1. United Airlines
    6. LHRDEN
      1 stopover
      1. Air Canada
    7. LHRDEN
      1 stopover
      1. Icelandair

      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

      Discover more flights around London Heathrow and Denver

      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
      Popular destinations for onward travel
      Flight destinations with a similar price