🇺🇸 DEN
Denver
4500 mi
LHR 🇬🇧
London

Denver to London Flights

Denver International Airport London Heathrow Airport 2 airlines

Get Notified About Route Changes

Track up to 3 airports free. Weekly alerts when airlines add or remove routes.

Sign Up Free

The Denver to London route connects Denver International Airport (DEN) in US with London Heathrow Airport (LHR) in GB. This long-haul flight covers approximately 4500 miles (7242 km) with a typical flight time of 9h 0m. This route is served by 2 airlines: United, British Airways. AirportRoutes has tracked 2 unique flight numbers on this route.

Search tickets for this route

Compare flight prices across hundreds of booking sites

Search DEN → LHR flights

Opens a live price search — just pick your dates

Departure Airport

Denver International Airport

ICAO Code:
KDEN
IATA Code:
DEN
City:
🇺🇸 Denver
Country:
US
Elevation:
5431 ft

Destination Airport

London Heathrow Airport

ICAO Code:
EGLL
IATA Code:
LHR
City:
🇬🇧 London
Country:
GB
Elevation:
83 ft

2

Operators

2

Tracked Flights

4500

Miles

9h 0m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
United UAL UA
British Airways BAW BA

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 0 0%
Tuesday 1 12%
Wednesday 3 38%
Thursday 2 25%
Friday 2 25%
Saturday 0 0%
Sunday 0 0%

Pattern Analysis

2 Tracked Flights:
Data Points: 8
API observations used to build this analysis
Weekdays: 8 flights
Weekend: 0 flights

All Flight Routes

2 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
- A35K -
M T W T F S S
Apr 23, 2026 Active
United
UAL / UA
A35K 00:35 12:35 AM (Representative)
M T W T F S S
Jun 10, 2026 Active
Total Routes: 2
Active Routes: 2
Unique Airlines: 2
Aircraft Types: 2

Spotted Departure Times

Departure Time Operator ICAO IATA
00:35 12:35 AM United UAL UA

Time Information

Times are shown in the departure airport's local timezone (UTC).

Total Departure Times: 1
Time Range:
00:35 - 00:35
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.