CA $646 Cheap Flights from London (LHR) to Denver (DEN)

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

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

Prices were available within the past 7 days and start at CA $646 for one-way flights and CA $825 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
JetBlue Airways
Icelandair
Lufthansa
Brussels Airlines
British Airways
Austrian Airlines
Aer Lingus
American Airlines
Virgin Atlantic

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

January is typically the cheapest month to fly

From CA $705 - CA $1,619 per traveller.

Frequently asked questions

How much is a flight from Heathrow Airport (LHR) to Denver Airport?
Based on fares offered within the last 7 days on Expedia for flights departing within the next year, round-trip flights between LHR and Denver Intl. Airport (DEN) start from CA $825. Book ASAP to get the best price for your big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from London Heathrow to Denver Airport?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from LHR to DIA airport that have flexible change policies?
Use our "No change fees" filter to find flexible travel options for your flight from London Heathrow to Denver Airport. This allows you to snag a great price in advance and still have the freedom to make changes without any extra fees. Fare adjustments may apply if your new flight is more expensive.
How many hours is the flight from London Heathrow to Denver Intl. Airport (DEN)?
Make the 12 hours and 58 minutes between Heathrow Airport and Denver Airport as comfortable as possible. Pack the essentials, like a water bottle, toothbrush and toiletries, and sit back and enjoy the flight!
How far is the flight from Heathrow Airport (LHR) to Denver Airport?
Hounslow to Denver is around 7,500 kilometres, so be prepared to spend a while in the air. Make sure you pack all the essentials, from your earplugs to your eye mask. Throw in a few snacks to nibble on throughout your journey too.
Which airlines fly direct from Heathrow Airport (LHR) to DIA airport?
With 30 flights every month operating from Heathrow Airport (LHR) to DEN, United Airlines (UA) is a top choice. Another airline operating on this route is British Airways (BA). You'll have 30 flights each month to choose from.
Are LHR to DIA airport flight tickets cheaper when they're purchased at the last minute?
Tickets from LHR to DEN are available up to a year before departure on Expedia. And although you may occasionally nab a great last-minute deal, it's never a sure thing. Also, booking your flights well in advance means you'll have more choices — and you can avoid getting caught in the dreaded middle seat! We're constantly updating our fares to bring you the best bargains, so keep checking in for all the latest specials.

Travel 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, Lufthansa, Virgin Atlantic
Roundtrip price
CA $825
Distance
7454 km
Average flight time
2 hours 57 mins

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