£276 Cheap British Airways flights from Denver to London (DEN→LHR)

View £276 flight on Sun, 19 Oct 2025Opens in a new window

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

Prices were available within the past 7 days and start at £276 for one-way flights and £434 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, 20 Oct - Fri, 31 Oct
DEN
Denver
LHR
London
£434 Return, found 1 day ago
£434
Return
found 1 day ago
Select British Airways flight, departing Mon, 20 Oct from Denver to London, returning Fri, 31 Oct, priced at £434 found 1 day ago
British Airways
Mon, 22 Sept - Tue, 7 Oct
DEN
Denver
LHR
London
£434 Return, just found
£434
Return
just found
Select British Airways flight, departing Mon, 22 Sept from Denver to London, returning Tue, 7 Oct, priced at £434 just found
British Airways
Mon, 22 Sept - Tue, 7 Oct
DEN
Denver
LHR
London
£438 Return, just found
£438
Return
just found
Select British Airways flight, departing Mon, 22 Sept from Denver to London, returning Tue, 7 Oct, priced at £438 just found
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, Turkish Airlines, United, Virgin Atlantic, WestJet
Popular airline
British Airways
Distance
7454 km
Average flight time
16 hours 1 min

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 £434 from DEN to LHR. Affordable one-way options from £276 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.
*Available to Expedia members.