£289 Cheap British Airways flights from Denver to London (DEN→LHR)

View £289 flight on Mon, 30 Mar 2026Opens in a new window

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

British Airways flights from Denver to London (DEN→LHR)

Prices were available within the past 7 days and start at £289 for one-way flights and £475 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, 10 Mar - Wed, 18 Mar
DEN
Denver
LHR
London
£475 Return, found 1 day ago
£475
Return
found 1 day ago
Select British Airways flight, departing Tue, 10 Mar from Denver to London, returning Wed, 18 Mar, priced at £475 found 1 day ago
British Airways
Fri, 27 Feb - Sat, 7 Mar
DEN
Denver
LHR
London
£510 Return, found 1 hour ago
£510
Return
found 1 hour ago
Select British Airways flight, departing Fri, 27 Feb from Denver to London, returning Sat, 7 Mar, priced at £510 found 1 hour ago

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gatwick LGW. Cheapest option available. Average driving time to city centre is 52 minutes. Flights from £398
LGW
Gatwick
Cheapest
Average driving time to city centre52 min
Flights from £398
Select flight to London City LCY. Closest option available. Average driving time to city centre is 21 minutes. Flights from £521
LCY
London City
Closest
Average driving time to city centre21 min
Flights from £521

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

October is typically the cheapest month to fly

From £379 - £536 per traveller.
Flight from Denver to London route information
Origin airport
Denver Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic, WestJet
Popular airline
Air Canada
Distance
7454 km
Average flight time
16 hours 7 mins

The Annual Holiday Sale

Members save up to 40% on hotels and holiday homes. Plan this year’s big trip and save.
Book now

Frequently asked questions

How much is a British Airways flight from Denver Intl. Airport (DEN) to Heathrow Airport (LHR)?
Make use of the "Price (lowest to highest)" filter on Expedia to look for cheap British Airways return flights from £475 from DEN to LHR. Affordable one-way options from £289 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DEN to LHR with British Airways?
January is one of the cheapest months to fly to London with British Airways. You could also find excellent prices on return and one-way fares in February.
Does British Airways fly nonstop from Denver Intl. Airport (DEN) to Heathrow Airport (LHR)?
British Airways operates direct flights from Denver Intl. Airport (DEN) to Heathrow Airport (LHR), with 7 weekly departures. Just apply the "Nonstop" and "Airline" filters during your search on Expedia to see all direct British Airways flights to LHR.
How long does it take to fly from DEN to LHR with British Airways?
From takeoff to touchdown, a direct British Airways flight from Denver Intl. Airport (DEN) to Heathrow Airport (LHR) typically takes 9h 5m.
What airports does British Airways fly into in London?
British Airways flights from Denver Intl. Airport (DEN) to London come in to Heathrow Airport (LHR). This is the main entry point here.
What kind of luggage can I take on a British Airways flight from Denver Intl. Airport (DEN) to Heathrow Airport (LHR)?
For checked luggage, passengers can take 1 checked-in bag weighing up to 23 kg (50 lbs) with dimensions not exceeding 89 centimetres x 41 centimetres x 74 centimetres. You can also bring 1 cabin bag in the cabin when flying standard economy from DEN to LHR with British Airways. This carry-on must weigh less than 23 kg (50 lbs) and be no larger than 56 centimetres x 23 centimetres x 43 centimetres. Exceeding these limits can mean extra charges, so check British Airways's baggage allowance guidelines before packing your suitcase.
What type of plane does British Airways fly from Denver Intl. Airport (DEN) to Heathrow Airport (LHR)?
British Airways usually operates Airbus A350-1000 planes for flights from Denver Intl. Airport (DEN) to Heathrow Airport (LHR). Keep in mind that aircraft type can differ depending on operational requirements, so the plane you'll be on might be different on the day.
Can I change or cancel my British Airways flight from Denver Intl. Airport (DEN) to Heathrow Airport (LHR)?
Changes are often free within 24 hours of making your booking, but your airline may charge you after that time. For more information about modifying your flights, check out your "Trips," select your flight and click on "Manage Booking." If you'd like the flexibility to make changes without additional charges, check the "No cancel fee" or "Changes included" filter when organising your next adventure.

Explore a world of travel with Expedia

*Available to Expedia members.