€573 Cheap Flights London to Denver (LHR-DEN)

View €573 flight on Wed, 22 Oct 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 15% on select hotels after you book a flight*
  • payments icon
    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 €573 for one-way flights and €472 for return, for the period specified. Prices and availability are subject to change. Additional terms apply.
Icelandair
Mon, 2 Mar - Mon, 16 Mar
LHR
London
DEN
Denver
€472
Return
Found 5 days ago
Select Icelandair flight, departing Mon, 2 Mar from London to Denver, returning Mon, 16 Mar, priced at €472 Found 5 days ago
Icelandair
Wed, 22 Oct - Fri, 31 Oct
LHR
London
DEN
Denver
€543
Return
Found 5 days ago
Select Icelandair flight, departing Wed, 22 Oct from London to Denver, returning Fri, 31 Oct, priced at €543 Found 5 days ago
Icelandair
Thu, 11 Sep - Thu, 25 Sep
LHR
London
DEN
Denver
€545
Return
Found 3 days ago
Select Icelandair flight, departing Thu, 11 Sep from London to Denver, returning Thu, 25 Sep, priced at €545 Found 3 days ago
Aer Lingus
Mon, 1 Sep - Mon, 15 Sep
LHR
London
DEN
Denver
€634
Return
Found 3 days ago
Select Aer Lingus flight, departing Mon, 1 Sep from London to Denver, returning Mon, 15 Sep, priced at €634 Found 3 days ago
JetBlue Airways
Wed, 24 Sep - Sun, 28 Sep
LHR
London
DEN
Denver
€640
Return
Found 2 days ago
Select JetBlue Airways flight, departing Wed, 24 Sep from London to Denver, returning Sun, 28 Sep, priced at €640 Found 2 days ago
Austrian Airlines
Mon, 2 Mar - Mon, 16 Mar
LHR
London
DEN
Denver
€670
Return
Found 5 days ago
Select Austrian Airlines flight, departing Mon, 2 Mar from London to Denver, returning Mon, 16 Mar, priced at €670 Found 5 days ago
Air Canada
Tue, 16 Sep - Wed, 1 Oct
LHR
London
DEN
Denver
€682
Return
Found 3 days ago
Select Air Canada flight, departing Tue, 16 Sep from London to Denver, returning Wed, 1 Oct, priced at €682 Found 3 days ago
British Airways
Tue, 16 Sep - Wed, 1 Oct
LHR
London
DEN
Denver
€692
Return
Found 3 days ago
Select British Airways flight, departing Tue, 16 Sep from London to Denver, returning Wed, 1 Oct, priced at €692 Found 3 days ago
Virgin Atlantic
Mon, 1 Sep - Mon, 29 Sep
LHR
London
DEN
Denver
€695
Return
Found 6 days ago
Select Virgin Atlantic flight, departing Mon, 1 Sep from London to Denver, returning Mon, 29 Sep, priced at €695 Found 6 days ago
Delta
Wed, 24 Sep - Sun, 28 Sep
LHR
London
DEN
Denver
€697
Return
Found 2 days ago
Select Delta flight, departing Wed, 24 Sep from London to Denver, returning Sun, 28 Sep, priced at €697 Found 2 days ago
London to Denver route information
Origin airport
Heathrow
Destination airport
Denver Intl.
Airlines serving
Aer Lingus, Air Canada, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Turkish Airlines, United, Virgin Atlantic
Return price
€471
Distance
7454 km
Average flight time
2 hours 43 mins

Perfect flights from London to Denver

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from London to Denver. 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 Denver, 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 Heathrow to Denver Intl. ticket options cater to your travel preferences, with incredible one-way fares from €573 and roundtrip prices from €472. 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 Denver Intl. and explore Denver 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 LHR to DEN travel arrangements today and embark on the journey of a lifetime in Denver.

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 €472. 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.