Cheap Flights from London (LON) to Denver (DEN)

View AU$752 flight on Wed, 21 Jan 2026Opens in a new window

Popular airlines from London to Denver, CO (DEN-Denver Intl.)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from London (LON) to Denver (DEN)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Tue, 9 Dec - Tue, 16 Dec
LGW
London
DEN
Denver
AU$986 Return, found 10 hours ago
AU$986
Return
found 10 hours ago
Select Icelandair flight, departing Tue, 9 Dec from London to Denver, returning Tue, 16 Dec, priced at AU$986 found 10 hours ago
Icelandair
Tue, 9 Dec - Tue, 16 Dec
LHR
London
DEN
Denver
AU$992 Return, found 10 hours ago
AU$992
Return
found 10 hours ago
Select Icelandair flight, departing Tue, 9 Dec from London to Denver, returning Tue, 16 Dec, priced at AU$992 found 10 hours ago
Air Canada
Wed, 3 Dec - Wed, 10 Dec
LHR
London
DEN
Denver
AU$1,054 Return, found 5 days ago
AU$1,054
Return
found 5 days ago
Select Air Canada flight, departing Wed, 3 Dec from London to Denver, returning Wed, 10 Dec, priced at AU$1,054 found 5 days ago
Lufthansa
Wed, 3 Dec - Wed, 10 Dec
LHR
London
DEN
Denver
AU$1,145 Return, found 5 days ago
AU$1,145
Return
found 5 days ago
Select Lufthansa flight, departing Wed, 3 Dec from London to Denver, returning Wed, 10 Dec, priced at AU$1,145 found 5 days ago
Aer Lingus
Wed, 6 May - Mon, 11 May
LHR
London
DEN
Denver
AU$1,146 Return, found 4 days ago
AU$1,146
Return
found 4 days ago
Select Aer Lingus flight, departing Wed, 6 May from London to Denver, returning Mon, 11 May, priced at AU$1,146 found 4 days ago
United
Wed, 6 May - Mon, 11 May
LHR
London
DEN
Denver
AU$1,150 Return, found 4 days ago
AU$1,150
Return
found 4 days ago
Select United flight, departing Wed, 6 May from London to Denver, returning Mon, 11 May, priced at AU$1,150 found 4 days ago
United
Mon, 24 Nov - Mon, 8 Dec
LHR
London
DEN
Denver
AU$1,195 Return, just found
AU$1,195
Return
just found
Select United flight, departing Mon, 24 Nov from London to Denver, returning Mon, 8 Dec, priced at AU$1,195 just found
Brussels Airlines
Wed, 18 Mar - Wed, 25 Mar
LHR
London
DEN
Denver
AU$1,198 Return, found 3 days ago
AU$1,198
Return
found 3 days ago
Select Brussels Airlines flight, departing Wed, 18 Mar from London to Denver, returning Wed, 25 Mar, priced at AU$1,198 found 3 days ago
Lufthansa
Wed, 6 May - Mon, 11 May
LCY
London
DEN
Denver
AU$1,201 Return, found 4 days ago
AU$1,201
Return
found 4 days ago
Select Lufthansa flight, departing Wed, 6 May from London to Denver, returning Mon, 11 May, priced at AU$1,201 found 4 days ago
Virgin Atlantic
Mon, 24 Nov - Mon, 8 Dec
LHR
London
DEN
Denver
AU$1,204 Return, just found
AU$1,204
Return
just found
Select Virgin Atlantic flight, departing Mon, 24 Nov from London to Denver, returning Mon, 8 Dec, priced at AU$1,204 just found

Find the cheapest month to fly from London (LON) to Denver (DEN)

February is typically the cheapest month to fly

From AU$687 - AU$1,516 per traveller.

Travel information

Origin airport
Gatwick
Destination airport
Denver Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, United, Virgin Atlantic
Return price
AU$985
Distance
7490 km

Book with confidence

LON to DEN Flights

Ready to get away? Use Expedia.com.au to book cheap flights from England to Denver AU$986, and have leftover money to spare on adventures and activities while you’re in town. We have the world’s largest selection of flights, not to mention lower airfares than you’ll find anywhere else on the Internet.

Our user-friendly tools make it easier than ever to book LON to DEN flights, even if you’re hoping to hop aboard one of the last-minute flights leaving today. So whether you seek a spontaneous trip to this city’s hottest attractions, or prefer to plan out every detail of your adventure ahead of time, Expedia.com.au is here to help you find exactly what you are interested in.

If you’re on the hunt for cheap flights to Denver from England, you need not look any further. We make it simple for you to compare different airline carriers or choose the one that appeals to you most. We work with dozens of airlines in order to offer you incredible deals on business and personal travel. Start by searching through our selection of plane tickets today, and you’ll be in the sky before you know it.

LON to DEN Flights
*Available to Expedia members.