Flight Routes from London Heathrow to Denver

Trip type

Our cheapest offers for flights from London Heathrow to Denver

Here you can compare cheap flights from London Heathrow (LHR) to Denver (DEN) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Denver. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
London Heathrow
Denver
Outbound
06/10/26
1 Stopover (KEF)
FI0451, FI0671
12h 55min
Return
20/10/26
1 Stopover (KEF)
FI0670, FI0450
12h 15min
Icelandair
£508
Best option
London Heathrow
Denver
Outbound
09/10/26
direct
LH7500
09h 50min
Return
21/10/26
direct
OS7991
09h 05min
Lufthansa ?
£609
London Heathrow
Denver
Outbound
06/10/26
2 Stopovers (FRA, SEA)
LH0923, DE2032, AS0310
21h 51min
Return
20/10/26
2 Stopovers (SEA, FRA)
AS0682, DE2033, LH0914
21h 42min
Lufthansa, Condor, Alaska Airlines
£941
London Heathrow
Denver
Please note: transfer for connecting flight
Outbound
08/08/26
1 Stopover (LAS)
VS0155, F92016
17h 25min
Return
15/08/26
1 Stopover (LAS)
F94967, VS0156
20h 08min
Virgin Atlantic Airways, Frontier Airlines ?
£1,000
London Heathrow
Denver
Outbound
06/10/26
1 Stopover (KEF)
FI0451, FI0671
12h 55min
Return
20/10/26
1 Stopover (KEF)
FI0670, FI0450
12h 15min
Icelandair
£512
London Heathrow
Denver
Outbound
06/10/26
1 Stopover (KEF)
FI0455, FI0671
28h 35min
Return
20/10/26
1 Stopover (KEF)
FI0670, FI0450
12h 15min
Icelandair
£516
London Heathrow
Denver
Outbound
06/10/26
1 Stopover (KEF)
FI0451, FI0671
12h 55min
Return
20/10/26
1 Stopover (KEF)
FI0670, FI0450
12h 15min
Icelandair
£543
London Heathrow
Denver
Outbound
06/10/26
1 Stopover (KEF)
FI0451, FI0671
12h 55min
Return
20/10/26
1 Stopover (KEF)
FI0670, FI0450
12h 15min
Icelandair
£548
London Heathrow
Denver
Outbound
06/10/26
1 Stopover (KEF)
FI0451, FI0671
12h 55min
Return
20/10/26
1 Stopover (KEF)
FI0670, FI0450
12h 15min
Icelandair ?
£564
London Heathrow
Denver
Outbound
06/10/26
direct
BA0219
09h 50min
Return
20/10/26
1 Stopover (ORD)
BA6677, BA0294
13h 20min
British Airways ?
£572
Prices based on recent searches, subject to last-minute changes
Page 1 / 3

Tips and tricks to help you find cheap flights from London Heathrow to Denver

Favourite airline: Icelandair
Icelandair is the most popular airline for flights from London Heathrow to Denver.
Icelandair
33 %
Air Canada
28 %
Virgin Atlantic
11 %
Direct flights are more expensive
On this route, direct flights are £104.00 more expensive than flights with a stopover.
non stop flight
1 stop
2 stops
09h 45min
22h 05min
22h 39min
£724
£620
£1,390
Favourite connection: via Reykjavik-Keflavik
When booking flights from London Heathrow to Denver 45 % of travellers prefer to fly via Reykjavik-Keflavik.
Route
bookings
1 stopover Reykjavik-Keflavik International
22h 05min, from £620
45 %
1 stopover Montréal-Pierre Elliott Trudeau International Airport
32h 00min, from £696
27 %
1 stopover Vancouver International Airport, BC
15h 36min, from £695
11 %

Important flight information

Flight information: London Heathrow - Denver

Outbound and return from £507.99
Flight duration min. 09:55
Return flight duration min. 09:00
Distance 7504 km
Flights per week 8
Departure airport Airport London Heathrow (LHR)
Arrival airport Airport Denver (DEN)
Destination country Flights to United States
City-Code - Arrival airport London - Denver
Departure airport - Destination country London Heathrow - United States
Alternative routes to United States
Alternative flights to Denver
Flight destinations with a similar price