Denver (DEN) to London (LHR) flights

United Airlines, British Airways fly nonstop from Denver International Airport to London Heathrow Airport, with about 21 flights a week in July 2026. The 4,671-mile flight takes about 5h 33m gate to gate.

From
DEN
Denver
Denver International Airport
To
LHR
London
London Heathrow Airport
Distance
4,671 mi · 7,517 km
Flight time
5h 33m
Airlines
2
Seats filled
80%
Flights a week, July 2026
927 flights and 202,995 passengers in 12 months
LHRLHRDEN
Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying DEN to LHR

AirlineFlights a weekAircraftPassengers (12 months)Flight time
United Airlines14Boeing 787-9 Dreamliner116,2459h 0m
British Airways7Airbus A350-1000, Boeing 777-200ER/200LR/233LR, Boeing 777-300/300ER/333ER86,7500m

Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.

Flights by month

MonthFlightsFlights, relativePassengers
August 202592
19,611
September 202589
21,904
October 202586
17,931
November 202555
11,057
December 202561
13,113
January 202659
10,948
February 202655
9,691
March 202666
14,728
April 202689
18,583
May 202692
22,028
June 202690
23,320
July 202693
20,081

Related

Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.