S$671 Cheap Flights from London to Denver

View S$671 flight on Tue, 17 Feb, 2026Opens in a new window

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

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 40% 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 to Denver (LHR-DEN)

Prices were available within the past 7 days and start at S$671 for one-way flights and S$792 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Fri, 1 May - Sun, 10 May
LHR
London
DEN
Denver
S$792 Return, found 7 hours ago
S$792
Return
found 7 hours ago
Select Lufthansa flight, departing Fri, 1 May from London to Denver, returning Sun, 10 May, priced at S$792 found 7 hours ago
Lufthansa
Fri, 1 May - Sun, 10 May
LHR
London
DEN
Denver
S$797 Return, found 7 hours ago
S$797
Return
found 7 hours ago
Select Lufthansa flight, departing Fri, 1 May from London to Denver, returning Sun, 10 May, priced at S$797 found 7 hours ago
Brussels Airlines
Fri, 1 May - Sun, 10 May
LHR
London
DEN
Denver
S$801 Return, found 7 hours ago
S$801
Return
found 7 hours ago
Select Brussels Airlines flight, departing Fri, 1 May from London to Denver, returning Sun, 10 May, priced at S$801 found 7 hours ago
Lufthansa
Fri, 1 May - Sun, 10 May
LHR
London
DEN
Denver
S$803 Return, found 7 hours ago
S$803
Return
found 7 hours ago
Select Lufthansa flight, departing Fri, 1 May from London to Denver, returning Sun, 10 May, priced at S$803 found 7 hours ago
Brussels Airlines
Fri, 1 May - Sun, 10 May
LHR
London
DEN
Denver
S$805 Return, found 7 hours ago
S$805
Return
found 7 hours ago
Select Brussels Airlines flight, departing Fri, 1 May from London to Denver, returning Sun, 10 May, priced at S$805 found 7 hours ago
Brussels Airlines
Fri, 1 May - Sun, 10 May
LHR
London
DEN
Denver
S$811 Return, found 7 hours ago
S$811
Return
found 7 hours ago
Select Brussels Airlines flight, departing Fri, 1 May from London to Denver, returning Sun, 10 May, priced at S$811 found 7 hours ago
American Airlines
Fri, 6 Mar - Tue, 10 Mar
LHR
London
DEN
Denver
S$812 Return, found 3 days ago
S$812
Return
found 3 days ago
Select American Airlines flight, departing Fri, 6 Mar from London to Denver, returning Tue, 10 Mar, priced at S$812 found 3 days ago
Virgin Atlantic
Tue, 17 Feb - Mon, 30 Mar
LHR
London
DEN
Denver
S$819 Return, found 2 days ago
S$819
Return
found 2 days ago
Select Virgin Atlantic flight, departing Tue, 17 Feb from London to Denver, returning Mon, 30 Mar, priced at S$819 found 2 days ago
Delta
Tue, 17 Feb - Mon, 30 Mar
LHR
London
DEN
Denver
S$819 Return, found 2 days ago
S$819
Return
found 2 days ago
Select Delta flight, departing Tue, 17 Feb from London to Denver, returning Mon, 30 Mar, priced at S$819 found 2 days ago
Lufthansa
Fri, 1 May - Sun, 10 May
LHR
London
DEN
Denver
S$820 Return, found 7 hours ago
S$820
Return
found 7 hours ago
Select Lufthansa flight, departing Fri, 1 May from London to Denver, returning Sun, 10 May, priced at S$820 found 7 hours ago

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

January is typically the cheapest month to fly

From S$648 - S$1,488 per traveller.
London to Denver route information
Origin airport
Heathrow
Destination airport
Denver Intl.
Return price
S$792
Distance
7454 km
Average flight time
2 hours 57 mins

Perfect flights from London to Denver

Your Journey from London to Denver

Start your unforgettable journey with Expedia. Our broad selection of flights from London to Denver 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 Lufthansa, United, Air Canada, Brussels Airlines, Austrian Airlines, American Airlines, Virgin Atlantic, Delta. Our selection of flights from Heathrow to Denver Intl. 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 London to Denver Flights

Experience the joy of finding cheap flights from Heathrow to Denver Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$671 and roundtrip prices from S$792*.
 

Pre-Flight Essentials

Ensure a smooth journey from London to Denver 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 Denver

Picture yourself stepping off the plane in Denver 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 London to Denver 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 London to Denver.
 

Beyond the Flight – Exploring Denver

With Expedia, your adventure extends beyond the flight. Explore Denver 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 London to Denver 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 London to Denver 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 LHR to DIA airport?
Round-trip tickets between Heathrow Airport (LHR) and Denver Intl. Airport (DEN) start from S$792. This figure is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LHR to DEN?
The majority of flights can be cancelled online, but each air carrier has its own set of terms and conditions. If you do decide to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from London Heathrow to Denver Intl. Airport (DEN) 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 London Heathrow to Denver Intl. Airport (DEN) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from LHR to DIA airport?
The distance is around 7,500 kilometres. Neck pillow? Check. Toiletries? Check. We recommend you pack all the essentials for this long-haul Hounslow to Denver flight.
Which airlines fly direct from Heathrow Airport (LHR) to DIA airport?
With 30 monthly flights operating from Heathrow Airport to DEN, United Airlines (UA) is a great choice. You could also check out the fares on offer with British Airways (BA). This carrier operates 30 monthly flights between Hounslow and Denver.
Are Heathrow Airport to DIA airport flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so it's no sure thing. While last-minute deals between Heathrow Airport (LHR) and Denver Intl. Airport (DEN) are possible, it also makes sense to keep track of prices well before you fly. In fact, some air carriers release their prices up to 12 months prior to the departure date. Expedia is continuously updating the biggest bargains around, so check back often and be ready to pounce when the price dips.

Explore a world of travel with Expedia

*Available to Expedia members.