CA $590 Cheap Flights from Denver (DEN) to London (LHR)

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 and start at CA $590 for one-way flights and CA $1,075 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Lufthansa
British Airways
British Airways
Virgin Atlantic
British Airways
Lufthansa
Lufthansa
British Airways
Air Canada

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

October is typically the cheapest month to fly

From CA $704 - CA $995 per traveller.

Frequently asked questions

How much is a flight from Denver Intl. Airport (DEN) to Heathrow Airport?
The lowest price advertised for a round-trip journey between Denver Airport and Heathrow Airport is CA $1,075. But you better get moving. This price is taken from fares listed within the last 7 days on Expedia for flights departing within the next year. 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?
Every air carrier has its own set of terms and conditions. If you decide to cancel your trip, visit our Customer Service Portal.
How do I find cheap flights from DEN to Heathrow Airport that have flexible change policies?
Flights from DIA airport to LHR with flexible change policies are available from several airlines. Simply use our "No change fees" filter when searching. You'll only need to cover the fare difference, with no added fees to worry about.
How many hours is the flight from DIA airport to Heathrow Airport?
To comfortably while away the 11 hours and 28 minutes flight time between Denver Airport and LHR, it's wise to be prepared. A laptop filled with your favourite podcasts is a great start.
How far is the flight from Denver Airport to Heathrow Airport (LHR)?
The distance is around 7,500 kilometres. Earplugs? Check. Toothbrush? Check. We suggest you pack all the essentials for this long-haul Denver to Hounslow flight.
Which airlines fly direct from Denver Airport to London Heathrow?
With 30 flights every month operating from DIA airport to Heathrow Airport, United Airlines (UA) is a popular choice. After more options? Check out the fares with British Airways (BA). This carrier offers 30 fights monthly between these airports.
Are DIA airport to LHR flight tickets cheaper when they're purchased at the last minute?
Fares from DEN to Heathrow Airport are available up to 12 months prior to departure on Expedia. And although you may occasionally score fantastic last-minute deals, it's never a sure thing. Also, booking your flights in advance means you'll have more choices — and you can avoid getting stuck in the dreaded middle seat! We regularly update our fares to make sure you get the biggest bargains, so check back often for all the latest specials.

Travel information

Origin airport
Denver Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, Lufthansa, Virgin Atlantic, WestJet
Roundtrip price
CA $1,074
Distance
7454 km
Average flight time
15 hours 26 mins

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