RM1,601 Cheap Flights from Denver (DEN) to London (LHR)

View RM1,601 flight on Sun, 22 Feb 2026Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Heathrow Airport (LHR)

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Cheap Flights from Denver to London (DEN-LHR)

Prices were available within the past 7 days and start at RM1,601 for one-way flights and RM4,129 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Sun, 7 Jun - Tue, 30 Jun
DEN
Denver
LHR
London
RM4,129 Return, found 8 hours ago
RM4,129
Return
found 8 hours ago
Select Lufthansa flight, departing Sun, 7 Jun from Denver to London, returning Tue, 30 Jun, priced at RM4,129 found 8 hours ago
United
Sun, 7 Jun - Tue, 30 Jun
DEN
Denver
LHR
London
RM4,157 Return, found 8 hours ago
RM4,157
Return
found 8 hours ago
Select United flight, departing Sun, 7 Jun from Denver to London, returning Tue, 30 Jun, priced at RM4,157 found 8 hours ago
United
Sun, 7 Jun - Tue, 30 Jun
DEN
Denver
LHR
London
RM4,180 Return, found 8 hours ago
RM4,180
Return
found 8 hours ago
Select United flight, departing Sun, 7 Jun from Denver to London, returning Tue, 30 Jun, priced at RM4,180 found 8 hours ago
Lufthansa
Sun, 7 Jun - Tue, 30 Jun
DEN
Denver
LHR
London
RM4,243 Return, found 8 hours ago
RM4,243
Return
found 8 hours ago
Select Lufthansa flight, departing Sun, 7 Jun from Denver to London, returning Tue, 30 Jun, priced at RM4,243 found 8 hours ago
WestJet
Sun, 7 Jun - Tue, 30 Jun
DEN
Denver
LHR
London
RM4,252 Return, found 8 hours ago
RM4,252
Return
found 8 hours ago
Select WestJet flight, departing Sun, 7 Jun from Denver to London, returning Tue, 30 Jun, priced at RM4,252 found 8 hours ago
Lufthansa
Sun, 7 Jun - Tue, 30 Jun
DEN
Denver
LHR
London
RM4,266 Return, found 8 hours ago
RM4,266
Return
found 8 hours ago
Select Lufthansa flight, departing Sun, 7 Jun from Denver to London, returning Tue, 30 Jun, priced at RM4,266 found 8 hours ago
British Airways
Sun, 7 Jun - Tue, 30 Jun
DEN
Denver
LHR
London
RM4,271 Return, found 8 hours ago
RM4,271
Return
found 8 hours ago
Select British Airways flight, departing Sun, 7 Jun from Denver to London, returning Tue, 30 Jun, priced at RM4,271 found 8 hours ago
WestJet
Sun, 7 Jun - Tue, 30 Jun
DEN
Denver
LHR
London
RM4,275 Return, found 8 hours ago
RM4,275
Return
found 8 hours ago
Select WestJet flight, departing Sun, 7 Jun from Denver to London, returning Tue, 30 Jun, priced at RM4,275 found 8 hours ago
WestJet
Sun, 7 Jun - Tue, 30 Jun
DEN
Denver
LHR
London
RM4,285 Return, found 8 hours ago
RM4,285
Return
found 8 hours ago
Select WestJet flight, departing Sun, 7 Jun from Denver to London, returning Tue, 30 Jun, priced at RM4,285 found 8 hours ago
Austrian Airlines
Sun, 7 Jun - Tue, 30 Jun
DEN
Denver
LHR
London
RM4,595 Return, found 8 hours ago
RM4,595
Return
found 8 hours ago
Select Austrian Airlines flight, departing Sun, 7 Jun from Denver to London, returning Tue, 30 Jun, priced at RM4,595 found 8 hours ago

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

October is typically the cheapest month to fly

From RM 2,063 - RM 2,915 per traveller.
Denver to London route information
Origin airport
Denver Intl.
Destination airport
Heathrow
Return price
RM4,129
Distance
7454 km
Average flight time
16 hours 7 mins

Perfect flights from Denver to London

Your Journey from Denver to London

Start your unforgettable journey with Expedia. Our broad selection of flights from Denver to London caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, United, Air Canada, British Airways, WestJet, Austrian Airlines, Lufthansa. Our selection of flights from Denver Intl. to Heathrow caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Denver to London Flights

Experience the joy of finding cheap flights from Denver Intl. to Heathrow that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from RM1,601 and roundtrip prices from RM4,129*.
 

Pre-Flight Essentials

Ensure a smooth journey from Denver to London with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant London

Picture yourself stepping off the plane in London and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Denver to London Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Denver to London.
 

Beyond the Flight – Exploring London

With Expedia, your adventure extends beyond the flight. Explore London at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Denver to London with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Denver to London with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

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 RM4,129. 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.

Explore a world of travel with Expedia

*Available to Expedia members.