NZ$678 Cheap Flights Denver to London (DEN-LHR)

View NZ$678 flight on Sun, 25 Jan 2026Opens in a new window

Popular airlines from Denver International Airport (DEN) to Heathrow Airport (LHR)

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

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
Mon, 3 Nov - Tue, 18 Nov
DEN
Denver
LHR
London
NZ$1,003 Return, found 3 days ago
NZ$1,003
Return
found 3 days ago
Select Icelandair flight, departing Mon, 3 Nov from Denver to London, returning Tue, 18 Nov, priced at NZ$1,003 found 3 days ago
Icelandair
Mon, 5 Jan - Sun, 25 Jan
DEN
Denver
LHR
London
NZ$1,033 Return, found 1 day ago
NZ$1,033
Return
found 1 day ago
Select Icelandair flight, departing Mon, 5 Jan from Denver to London, returning Sun, 25 Jan, priced at NZ$1,033 found 1 day ago
Icelandair
Mon, 3 Nov - Tue, 18 Nov
DEN
Denver
LHR
London
NZ$1,039 Return, found 3 days ago
NZ$1,039
Return
found 3 days ago
Select Icelandair flight, departing Mon, 3 Nov from Denver to London, returning Tue, 18 Nov, priced at NZ$1,039 found 3 days ago
United
Mon, 3 Nov - Tue, 18 Nov
DEN
Denver
LHR
London
NZ$1,046 Return, found 3 days ago
NZ$1,046
Return
found 3 days ago
Select United flight, departing Mon, 3 Nov from Denver to London, returning Tue, 18 Nov, priced at NZ$1,046 found 3 days ago
United
Mon, 3 Nov - Tue, 18 Nov
DEN
Denver
LHR
London
NZ$1,048 Return, found 3 days ago
NZ$1,048
Return
found 3 days ago
Select United flight, departing Mon, 3 Nov from Denver to London, returning Tue, 18 Nov, priced at NZ$1,048 found 3 days ago
Icelandair
Tue, 12 May - Tue, 19 May
DEN
Denver
LHR
London
NZ$1,053 Return, found 5 days ago
NZ$1,053
Return
found 5 days ago
Select Icelandair flight, departing Tue, 12 May from Denver to London, returning Tue, 19 May, priced at NZ$1,053 found 5 days ago
Icelandair
Mon, 5 Jan - Sun, 25 Jan
DEN
Denver
LHR
London
NZ$1,069 Return, found 1 day ago
NZ$1,069
Return
found 1 day ago
Select Icelandair flight, departing Mon, 5 Jan from Denver to London, returning Sun, 25 Jan, priced at NZ$1,069 found 1 day ago
Air Canada
Sun, 11 Jan - Mon, 26 Jan
DEN
Denver
LHR
London
NZ$1,090 Return, found 4 days ago
NZ$1,090
Return
found 4 days ago
Select Air Canada flight, departing Sun, 11 Jan from Denver to London, returning Mon, 26 Jan, priced at NZ$1,090 found 4 days ago
Delta
Tue, 12 May - Tue, 19 May
DEN
Denver
LHR
London
NZ$1,100 Return, found 5 days ago
NZ$1,100
Return
found 5 days ago
Select Delta flight, departing Tue, 12 May from Denver to London, returning Tue, 19 May, priced at NZ$1,100 found 5 days ago
Lufthansa
Mon, 3 Nov - Tue, 18 Nov
DEN
Denver
LHR
London
NZ$1,113 Return, found 3 days ago
NZ$1,113
Return
found 3 days ago
Select Lufthansa flight, departing Mon, 3 Nov from Denver to London, returning Tue, 18 Nov, priced at NZ$1,113 found 3 days ago
Flight from Denver to London route information
Origin airport
Denver Intl.
Destination airport
Heathrow
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
NZ$1,003
Distance
7454 km
Average flight time
16 hours 1 min

Perfect flights from Denver to London

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Denver to London. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of London, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Denver Intl. to Heathrow ticket options cater to your travel preferences, with incredible one-way fares from NZ$678 and roundtrip prices from NZ$1,003. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Heathrow and explore London and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your DEN to LHR travel arrangements today and embark on the journey of a lifetime in London.

Frequently asked questions

How much is a flight from DIA airport to Heathrow Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip journey from DEN to Heathrow Airport (LHR) was NZ$1,003. Cheap tickets don't stick around for long, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Denver Airport to London Heathrow?
Most flights can be conveniently cancelled online, but whether or not you incur a fee differs between airlines. If you do have to cancel your getaway, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from DIA airport to Heathrow Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for DIA airport to LHR flights, you'll see a "no change fees" filter for you to select.
How far is the flight from DEN to Heathrow Airport?
With around 7 500 kilometres separating Denver Intl. Airport (DEN) and LHR, your flight will be a long one. Pack wisely to make your trip more comfortable. Things like warm clothes and some noise-cancelling headphones can make a massive difference.
Which airlines fly direct from DIA airport to Heathrow Airport (LHR)?
A leading airline that operates on the route from DIA airport to LHR is United Airlines (UA). It offers 30 flights monthly. If you'd like more options, check out the deals with British Airways (BA). This airline offers 30 flights monthly between these airports.
Are Denver Intl. Airport (DEN) to LHR flight tickets cheaper when they're purchased at the last minute?
Booking your trip from DIA airport to London Heathrow last minute could be your ticket to a cheap deal. However, you might miss out on a flight altogether! If you'd rather play it safe, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back regularly as deals are updated all the time on Expedia.

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