Denver to London (DEN–LHR) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
DEN–LHR is served by 2 airlines with nonstop service. United Airlines and British Airways lead the route. The flight covers 4,659 miles in approximately 9h 5m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines Also: AC, LX, OS, SN | 14 | 789 | 9h-9h05 | Star Alliance | AC, LX, OS, SN | |
| BA British Airways Also: AY, EI, IB | 8 | 351 | 8h11-8h33 | Oneworld | AY, EI, IB |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Travel Essentials
DEN: MDT · LHR: BST
When it's 6:00 PM in Denver, it's 1:00 AM (next day) in London.
US citizens need a UK Electronic Travel Authorisation (ETA) before travel, applied for online. The ETA costs GBP 10 and is valid for multiple entries over 2 years. Stays are permitted for up to 6 months per visit. Passport must be valid for the duration of stay.
Declare goods over GBP 390 in value. UK duty-free allowances apply on goods from outside the UK.
RTD A Line commuter rail runs from Denver Union Station to the airport (37 min, $10.50). Trains depart every 15 minutes during peak hours. The airport is 25 miles northeast of downtown; ride-shares cost $35–55 and take 30–45 minutes depending on I-70 traffic.Economy parking in lots 4–6 connects via free shuttle. Mountain shuttle services depart from Jeppesen Terminal's Ground Transportation level.
Heathrow Express runs every 15 minutes to Paddington (15 min, £25). Piccadilly line is slower (50–60 min) but £5.50 with Oyster. National Express coaches serve all terminals from Victoria (60–90 min, £6–10). Black cabs cost £50–90 to central London depending on traffic and time of day.
Mild maritime climate. Summers average 18–23°C with long daylight hours. Winters are 2–7°C, rarely below freezing. Rain is frequent year-round but rarely heavy. Pack layers and a waterproof jacket regardless of season. Fog can disrupt flights November through February.
DEN–LHR Quick Facts
Frequently Asked Questions
Flights from DEN to LHR
Denver International Airport (DEN) and London Heathrow Airport (LHR) are connected by nonstop service from United Airlines and British Airways. With 99 weekly departures, this is a heavily served route.
DEN to LHR Flight Duration and Schedule
Nonstop flight time from DEN to LHR is about 9 hours 5 minutes gate to gate. The route covers a distance of 4,659 miles (7,497 km). There are approximately 99 weekly flights outbound and 84 return, totaling 183 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Dublin, Minneapolis–Saint Paul and St. Louis Lambert. Two-stop connections are also available via intermediate hubs.