London (LHR) to Denver (DEN) flights
United Airlines, British Airways fly nonstop from London Heathrow Airport to Denver International Airport, with about 21 flights a week in July 2026. The 4,671-mile flight takes about 5h 56m gate to gate.
From
LHR
London
London Heathrow Airport
To
DEN
Denver
Denver International Airport
- Distance
- 4,671 mi · 7,517 km
- Flight time
- 5h 56m
- Airlines
- 2
- Seats filled
- 81%
Flights a week, July 2026
923 flights and 205,290 passengers in 12 months
Airlines flying LHR to DEN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 14 | Boeing 787-9 Dreamliner, Boeing 777-200ER/200LR/233LR | 115,421 | 9h 38m |
| British Airways | 7 | Airbus A350-1000, Boeing 777-200ER/200LR/233LR, Boeing 777-300/300ER/333ER | 89,869 | 0m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 91 | 20,562 | |
| September 2025 | 89 | 20,618 | |
| October 2025 | 87 | 20,969 | |
| November 2025 | 54 | 10,379 | |
| December 2025 | 60 | 13,570 | |
| January 2026 | 60 | 12,516 | |
| February 2026 | 56 | 10,192 | |
| March 2026 | 64 | 13,564 | |
| April 2026 | 89 | 16,277 | |
| May 2026 | 92 | 19,490 | |
| June 2026 | 89 | 22,602 | |
| July 2026 | 93 | 24,642 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.