£358 Cheap British Airways flights from London to Seattle (LHR→SEA)

View £358 flight on Wed, 5 Nov 2025Opens in a new window
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British Airways flights from London to Seattle (LHR→SEA)

Prices were available within the past 7 days and start at £358 for one-way flights and £462 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, 3 Feb - Tue, 17 Feb
LHR
London
SEA
Seattle
£462 Return, just found
£462
Return
just found
Select British Airways flight, departing Tue, 3 Feb from London to Seattle, returning Tue, 17 Feb, priced at £462 just found
British Airways
Tue, 3 Feb - Tue, 17 Feb
LHR
London
SEA
Seattle
£467 Return, just found
£467
Return
just found
Select British Airways flight, departing Tue, 3 Feb from London to Seattle, returning Tue, 17 Feb, priced at £467 just found
Flight from London to Seattle route information
Origin airport
Heathrow
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic, WestJet
Popular airline
KLM
Distance
7657 km
Average flight time
2 hours 1 min
*Available to Expedia members.