Find Cheap Flights from United Kingdom to Seattle/Tacoma Intl

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from United Kingdom to Seattle/Tacoma Intl

(Round-trip)
Depart: Mon Oct 30 2017 Return: Mon Nov 13 2017 Trip spans 15 days
Norwegian
Norwegian
LGW
SEA
9h 55m
nonstop
SEA
LGW
9h 30m
nonstop
Depart: Wed Oct 18 2017 Return: Wed Oct 25 2017 Trip spans 8 days
SWISS
SWISS
LCY
SEA
20h 14m
2 stops
SEA
LCY
22h 00m
2 stops
Depart: Wed Nov 15 2017 Return: Sun Nov 19 2017 Trip spans 5 days
Virgin Atlantic
Virgin Atlantic
LHR
SEA
9h 50m
nonstop
SEA
LHR
9h 30m
nonstop
Depart: Fri Dec 22 2017 Return: Wed Jan 3 2018 Trip spans 13 days
Lufthansa
Lufthansa
LCY
SEA
25h 30m
1 stop
SEA
LCY
18h 35m
1 stop
Depart: Wed Nov 15 2017 Return: Wed Nov 29 2017 Trip spans 15 days
Icelandair
Icelandair
MAN
SEA
12h 20m
1 stop
SEA
MAN
11h 15m
1 stop
Depart: Wed Oct 18 2017 Return: Wed Oct 25 2017 Trip spans 8 days
British Airways
British Airways
LHR
SEA
9h 40m
nonstop
SEA
LHR
9h 10m
nonstop
Depart: Thu Sep 28 2017 Return: Thu Oct 19 2017 Trip spans 22 days
Thomas Cook Airlines
Thomas Cook Airlines
MAN
SEA
16h 08m
1 stop
SEA
MAN
14h 55m
1 stop
Depart: Mon Sep 18 2017 Return: Mon Oct 9 2017 Trip spans 22 days
KLM
KLM
LHR
SEA
16h 35m
1 stop
SEA
LHR
12h 55m
1 stop
Depart: Wed Nov 1 2017 Return: Thu Nov 30 2017 Trip spans 30 days
Aer Lingus
Aer Lingus
BHX
SEA
20h 44m
2 stops
SEA
BHX
29h 40m
2 stops
Depart: Thu Sep 14 2017 Return: Mon Sep 18 2017 Trip spans 5 days
WestJet
WestJet
LGW
SEA
16h 23m
1 stop
SEA
LGW
28h 05m
1 stop
Depart: Tue Nov 7 2017 Return: Tue Dec 5 2017 Trip spans 29 days
Air France
Air France
BHX
SEA
13h 20m
1 stop
SEA
BHX
23h 14m
1 stop
Depart: Mon Nov 20 2017 Return: Mon Dec 4 2017 Trip spans 15 days
Norwegian
Norwegian
LGW
SEA
9h 55m
nonstop
SEA
LGW
9h 30m
nonstop
Depart: Wed Sep 27 2017 Return: Sun Nov 5 2017 Trip spans 40 days
Norwegian
Norwegian
LGW
SEA
9h 55m
nonstop
SEA
LGW
9h 30m
nonstop
Depart: Wed Nov 29 2017 Return: Tue Dec 5 2017 Trip spans 7 days
SWISS
SWISS
LCY
SEA
21h 54m
2 stops
SEA
LCY
23h 23m
2 stops
Depart: Fri Oct 6 2017 Return: Mon Oct 23 2017 Trip spans 18 days
Virgin Atlantic
Virgin Atlantic
LHR
SEA
9h 40m
nonstop
SEA
LHR
9h 10m
nonstop
Depart: Wed Jan 10 2018 Return: Mon Jan 15 2018 Trip spans 6 days
Norwegian
Norwegian
LGW
SEA
9h 55m
nonstop
SEA
LGW
9h 30m
nonstop
Depart: Wed Jan 10 2018 Return: Tue Jan 16 2018 Trip spans 7 days
Lufthansa
Lufthansa
SOU
SEA
20h 25m
2 stops
SEA
SOU
20h 30m
2 stops
Depart: Sun Sep 17 2017 Return: Sun Sep 24 2017 Trip spans 8 days
Virgin Atlantic
Virgin Atlantic
LHR
SEA
16h 35m
1 stop
SEA
LHR
9h 10m
nonstop
Depart: Mon Sep 11 2017 Return: Sun Sep 24 2017 Trip spans 14 days
Thomas Cook Airlines
Thomas Cook Airlines
MAN
SEA
17h 45m
1 stop
SEA
MAN
17h 10m
1 stop
Depart: Wed Jan 10 2018 Return: Sun Jan 14 2018 Trip spans 5 days
Virgin Atlantic
Virgin Atlantic
LHR
SEA
9h 50m
nonstop
SEA
LHR
9h 30m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

Southampton
$614
London
only $533
only $528
only $450
Manchester
$556
Birmingham
$765
Destination

Seattle
$450
Airlines Airline reviews

116 travelers who booked a flight from London to Seattle rated their chosen airlines with an average of 7.8.

Overall
7.9
Boarding
7.8
Crew
8.4
Comfort
7.4
Food
7.5
Entertainment
7.7