Find Deals on Flights from Seattle/Tacoma Intl to United Kingdom

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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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Seattle/Tacoma Intl to United Kingdom

(Round-trip)
Depart: Thu Apr 6 2017 Return: Thu Apr 20 2017 Trip spans 15 days
Virgin Atlantic
Virgin Atlantic
SEA
LGW
17h 25m
1 stop
LGW
SEA
18h 54m
1 stop
Depart: Sun Apr 2 2017 Return: Tue Apr 11 2017 Trip spans 10 days
Delta
Delta
SEA
MAN
14h 25m
1 stop
MAN
SEA
16h 20m
1 stop
Depart: Fri May 5 2017 Return: Sat May 13 2017 Trip spans 9 days
Major Airline
Major Airline
SEA
MAN
19h 20m
1 stop
MAN
SEA
13h 30m
1 stop
Depart: Tue May 9 2017 Return: Tue May 16 2017 Trip spans 8 days
American Airlines
American Airlines
SEA
GLA
15h 00m
1 stop
GLA
SEA
20h 14m
1 stop
Depart: Sun Apr 23 2017 Return: Sun May 7 2017 Trip spans 15 days
British Airways
British Airways
SEA
GLA
16h 25m
1 stop
GLA
SEA
20h 14m
1 stop
Depart: Wed May 3 2017 Return: Tue May 9 2017 Trip spans 7 days
Lufthansa
Lufthansa
SEA
STN
21h 10m
2 stops
STN
SEA
32h 41m
2 stops
Depart: Sun Apr 2 2017 Return: Wed Apr 12 2017 Trip spans 11 days
Air Canada
Air Canada
SEA
LHR
15h 50m
1 stop
LHR
SEA
14h 06m
1 stop
Depart: Sat May 13 2017 Return: Tue May 23 2017 Trip spans 11 days
United
United
SEA
LHR
15h 50m
1 stop
LHR
SEA
14h 41m
1 stop
Depart: Tue Apr 11 2017 Return: Tue Apr 25 2017 Trip spans 15 days
SWISS
SWISS
SEA
LCY
18h 15m
2 stops
LCY
SEA
21h 32m
2 stops
Depart: Mon Jun 5 2017 Return: Tue Jun 13 2017 Trip spans 9 days
KLM
KLM
SEA
GLA
18h 23m
1 stop
GLA
SEA
12h 59m
1 stop
Depart: Thu Aug 10 2017 Return: Tue Aug 22 2017 Trip spans 13 days
Thomas Cook Airlines
Thomas Cook Airlines
SEA
MAN
15h 20m
1 stop
MAN
SEA
15h 30m
1 stop
Depart: Wed May 10 2017 Return: Mon May 22 2017 Trip spans 13 days
WestJet
WestJet
SEA
LGW
12h 50m
1 stop
LGW
SEA
15h 05m
1 stop
Depart: Sun May 21 2017 Return: Mon Jun 5 2017 Trip spans 16 days
Icelandair
Icelandair
SEA
BHX
10h 55m
1 stop
BHX
SEA
12h 50m
1 stop
Depart: Tue Mar 28 2017 Return: Mon Apr 10 2017 Trip spans 14 days
Air France
Air France
SEA
BHX
13h 04m
1 stop
BHX
SEA
26h 45m
1 stop
Depart: Tue Apr 25 2017 Return: Tue May 30 2017 Trip spans 36 days
Virgin Atlantic
Virgin Atlantic
SEA
LGW
14h 05m
1 stop
LGW
SEA
15h 30m
1 stop
Depart: Wed Mar 29 2017 Return: Tue Apr 11 2017 Trip spans 14 days
Delta
Delta
SEA
MAN
19h 40m
1 stop
MAN
SEA
28h 40m
1 stop
Depart: Wed May 10 2017 Return: Mon Jun 5 2017 Trip spans 27 days
Virgin Atlantic
Virgin Atlantic
SEA
LGW
19h 00m
1 stop
LGW
SEA
18h 55m
1 stop
Depart: Wed Mar 22 2017 Return: Wed Mar 29 2017 Trip spans 8 days
Delta
Delta
SEA
GLA
26h 40m
2 stops
GLA
SEA
33h 56m
1 stop
Depart: Wed Aug 16 2017 Return: Sat Aug 26 2017 Trip spans 11 days
Virgin Atlantic
Virgin Atlantic
SEA
LGW
17h 25m
1 stop
LGW
SEA
18h 54m
1 stop
Depart: Thu May 4 2017 Return: Mon May 15 2017 Trip spans 12 days
American Airlines
American Airlines
SEA
GLA
16h 25m
1 stop
GLA
SEA
20h 14m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Seattle
$470
Destination

London
only $662
only $676
only $470
only $650
Manchester
$488
Glasgow
$508
Birmingham
$840