United States to United Kingdom · 4,659 miles (7,498 km)

Denver (DEN) to London (LHR) flights

2 airlines fly nonstop from Denver (DEN) to London (LHR): British Airways and United Airlines. The two airports are 4,659 miles (7,498 km) apart. British Airways is in oneworld and United Airlines is in Star Alliance. There are also 47 ways to fly it with one stop, through Dublin, Minneapolis and Reykjavik and more.

Airlines flying nonstop from DEN to LHR

  • British Airways logo
    British Airwaysoneworld · bookable with 9 programsWho books it
  • United Airlines logo
    United AirlinesStar Alliance · bookable with 13 programsWho books it

Book DEN to LHR with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

DEN to LHR with one stop

47 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Dublin (DUB)Aer Lingus the whole way
    Aer Lingus logo
    British Airways logo
    Aer Lingus logo
  • Via Minneapolis (MSP)Delta Air Lines the whole way
    Delta Air Lines logo
    Frontier Airlines logo
    Sun Country Airlines logo
    +2
    Delta Air Lines logo
  • Via Reykjavik (KEF)Icelandair the whole way
    Icelandair logo
    British Airways logo
    Icelandair logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
    American Airlines logo
    British Airways logo
    United Airlines logo
  • Via Montreal (YUL)Air Canada the whole way
    Air Canada logo
    Air Canada logo
    British Airways logo
  • Via Toronto (YYZ)Air Canada the whole way
    Air Canada logo
    United Airlines logo
    Air Canada logo
    British Airways logo
    Virgin Atlantic logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    Delta Air Lines logo
    Frontier Airlines logo
    United Airlines logo
    +1
    Delta Air Lines logo
  • Via Saint Louis (STL)Frontier Airlines, United Airlines and 1 more, then British Airways
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    British Airways logo
  • Via Pittsburgh (PIT)United Airlines and Southwest Airlines, then British Airways
    United Airlines logo
    Southwest Airlines logo
    British Airways logo
  • Via Boston (BOS)JetBlue Airways and Delta Air Lines the whole way
    JetBlue Airways logo
    United Airlines logo
    Southwest Airlines logo
    +1
    British Airways logo
    Delta Air Lines logo
    Virgin Atlantic logo
    +2
  • Via Cincinnati (CVG)Frontier Airlines, United Airlines and 1 more, then British Airways
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    British Airways logo
  • Via New York (EWR)United Airlines the whole way
    United Airlines logo
    British Airways logo
    United Airlines logo
  • Via New York (JFK)JetBlue Airways and Delta Air Lines the whole way
    JetBlue Airways logo
    Delta Air Lines logo
    American Airlines logo
    British Airways logo
    Delta Air Lines logo
    +2
  • Via Paris (CDG)Air France the whole way
    Air France logo
    United Airlines logo
    Air France logo
    British Airways logo
  • Via Philadelphia (PHL)American Airlines the whole way
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
    +1
    American Airlines logo
    British Airways logo
See all 47 in Routes

DEN to LHR: common questions

Which airlines fly nonstop from DEN to LHR?

British Airways (oneworld) and United Airlines (Star Alliance) fly nonstop from Denver (DEN) to London (LHR).

How far is Denver from London by plane?

Denver (DEN) and London (LHR) are 4,659 miles (7,498 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book DEN to LHR award flights?

22 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, Alaska Atmos Rewards, American AAdvantage, ANA Mileage Club, Avianca LifeMiles, British Airways Club, Cathay Pacific Asia Miles and 14 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does DEN to LHR cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for DEN to LHR with taxes and fees.

Where can I connect between Denver and London?

The most direct connections are through Dublin (DUB), Minneapolis (MSP), Reykjavik (KEF), Chicago (ORD) and Montreal (YUL). On 29 of them the same airline flies both flights, for example Aer Lingus through Dublin.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.