Cheap Flights from London to Seattle Starting at $273

Helping travelers to find the best flight offers

Cheapest flights from London to Seattle

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from London to Seattle. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Airfare from London to Seattle by month

We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from London to Seattle

Airlines operating on route

Direct Flights from London to Seattle

Seattle city image

LondonSeattle

LONSEA

05/09/2025

Departure date

Direct flight

Virgin Atlantic

VS105

Starting at $2,906

Seattle city image

LondonSeattle

LONSEA

05/10/2025

Departure date

Direct flight

British Airways

BA49

Starting at $2,819

Seattle city image

LondonSeattle

LONSEA

05/29/2025

Departure date

Direct flight

British Airways

BA5449

Starting at $2,884

Seattle city image

LondonSeattle

LONSEA

05/31/2025

Departure date

Direct flight

British Airways

BA3509

Starting at $890

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LondonSeattle

LONSEA

07/19/2025

Departure date

Direct flight

British Airways

BA5449

Starting at $2,186

Seattle city image

LondonSeattle

LONSEA

07/20/2025

Departure date

Direct flight

British Airways

BA5449

Starting at $2,186

Seattle city image

LondonSeattle

LONSEA

08/11/2025

Departure date

Direct flight

British Airways

BA5449

Starting at $1,169

Schedule of direct flights from London to Seattle

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from London to Seattle:

London airports overview

LTN
EasyJet
Airlines flying to this airport
$391
Starting at
$391-217%
on average
STN
Jet2.com
Air Freight NZ
Ryanair
Airlines flying to this airport
$267
Starting at
$394-214%
on average
LGW
EasyJet
LC Busre SAC
Vueling
Airlines flying to this airport
$386
Starting at
$482-157%
on average
LHR
Iberia
British Airways
Westjet
Airlines flying to this airport
$467
Starting at
$1,238
on average

Seattle airports overview

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

Special offers and sales on air tickets from London to Seattle

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

Alternative routes