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
31/03/26
1 Stopover (BOS)
B61621, B60993
20h 50min
Return
21/04/26
1 Stopover (JFK)
B60098, B61107
13h 46min
JetBlue Airways
£561
Best option
London Heathrow
Denver
Outbound
27/05/26
direct
OS7992
09h 40min
Return
08/06/26
direct
LH7903
09h 00min
Austrian Airlines ?
£672
London Heathrow
Denver
Outbound
17/08/26
2 Stopovers (CPH, ATL)
SK0500, SK0929, SK3226
22h 34min
Return
15/09/26
2 Stopovers (SEA, CPH)
SK3657, SK0938, SK1517
22h 20min
SAS Scandinavian Airlines
£771
London Heathrow
Denver
Outbound
31/03/26
1 Stopover (KEF)
FI0455, FI0671
28h 35min
Return
21/04/26
1 Stopover (KEF)
FI0670, FI0450
12h 15min
Icelandair
£569
London Heathrow
Denver
Outbound
31/03/26
1 Stopover (KEF)
FI0455, FI0671
28h 35min
Return
21/04/26
1 Stopover (KEF)
FI0670, FI0450
12h 15min
Icelandair
£570
London Heathrow
Denver
Outbound
31/03/26
1 Stopover (DFW)
BA1520, BA1952
15h 15min
Return
21/04/26
1 Stopover (ORD)
BA4684, BA0294
11h 26min
British Airways ?
£580
London Heathrow
Denver
Outbound
31/03/26
1 Stopover (JFK)
B60020, B60097
18h 04min
Return
21/04/26
1 Stopover (JFK)
B60098, B61107
13h 46min
JetBlue Airways
£586
London Heathrow
Denver
Outbound
31/03/26
1 Stopover (JFK)
B60020, B60097
18h 04min
Return
21/04/26
1 Stopover (JFK)
B60098, B61107
13h 46min
JetBlue Airways
£587
London Heathrow
Denver
Outbound
04/05/26
2 Stopovers (BRU, YUL)
AC6330, AC0833, AC1075
19h 10min
Return
22/05/26
1 Stopover (YYZ)
AC1040, AC0852
15h 00min
Air Canada
£631
London Heathrow
Denver
Outbound
04/05/26
2 Stopovers (VIE, YUL)
AC6186, AC6211, AC1075
20h 00min
Return
22/05/26
1 Stopover (YYZ)
AC1040, AC0852
15h 00min
Air Canada
£633
Prices based on recent searches, subject to last-minute changes
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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 £560.90
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
Alternative routes to United States
Alternative flights to Denver
Flight destinations with a similar price