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Cheap Flights from Seattle to London

Prices were available within the past 7 days and starts at £177 for one-way flights and £377 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Reviews from verified customers

Feb 29, 2020

The staff at check in were helpful, especially in view of the unexpected extra bag (all bags had to paid for because I booked through Air France. The flight is long but the cabin staff were attentive and helpful throughout.

Jan 10, 2020

Flight attendants were amazing I'm a nervous flyer and both flights there and back were so understanding

Nov 26, 2019

Virgin Atlantic were not as good overall as my outbound on Delta.

Nov 25, 2019

There was a new crew member who was lovely. Our on screen entertainment was not working and he quickly got us some iPads. Lovely and friendly man.

Aug 28, 2018

Cabin staff very helpful and kept coming around to see if we wanted anything

Jul 5, 2018

Unhappy about having to pay extra for a checked bag

Jul 3, 2018

All good

Jun 26, 2018

Beautiful plane

Jun 1, 2018

I booked for my elderly mother, she was over the moon with the service she received. The assistance from check in to gate was such a help. Thank you

Jun 1, 2018

A good experience all round, as long as we continue to seated together as booked we will be back. Thanks Expedia, Virgin and Delta, good job, Dc.

Seattle to London route information

Origin Airport Seattle - Tacoma Intl.
Destination Airport Heathrow
Airlines Serving Aer Lingus, Air Canada, Air France, Alitalia, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, United, Virgin Atlantic
Flight Price £377
Distance 7,657 km

Cheap SEA to LHR Flights

Seattle to London Flights

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