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Cheap flights from Seattle to London from £271

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:45 - 11:55SEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
21h 10m2 stops Toronto Pearson Intl Dublin
Multiple Airlines Logo
20:00 - 12:00SOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
24h 00m2 stops Dublin Frankfurt am Main
£649Multiple Airlines
Fri, 30 Oct - Fri, 6 Nov
Delta Logo
17:45 - 16:50SEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
15h 05m1 stop Amsterdam Schiphol
Delta Logo
09:15 - 16:35SOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
15h 20m1 stop Amsterdam Schiphol
£692Delta
Wed, 14 Oct - Wed, 21 Oct
KLM Logo
14:35 - 17:05SEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
18h 30m1 stop Amsterdam Schiphol
KLM Logo
17:45 - 14:55SOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
29h 10m2 stops Amsterdam Schiphol Salt Lake City
£692KLM
Mon, 2 Nov - Mon, 9 Nov
KLM Logo
12:30 - 16:50SEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
20h 20m2 stops Los Angeles Amsterdam Schiphol
KLM Logo
09:15 - 16:35SOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
15h 20m1 stop Amsterdam Schiphol
£695KLM
Wed, 14 Oct - Wed, 21 Oct
Delta Logo
12:30 - 16:50SEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
20h 20m2 stops Los Angeles Amsterdam Schiphol
Delta Logo
09:15 - 23:52SOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
22h 37m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
£703Delta
Wed, 14 Oct - Wed, 21 Oct
Delta Logo
14:20 - 17:00SEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
18h 40m1 stop Amsterdam Schiphol
Delta Logo
17:30 - 11:47SOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
26h 17m1 stop Amsterdam Schiphol
£736Delta
Sun, 14 Feb - Sat, 20 Feb
Delta Logo
15:25 - 08:55SEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
34h 30m1 stop Amsterdam Schiphol
Delta Logo
17:45 - 16:58SOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
31h 13m2 stops Amsterdam Schiphol Salt Lake City
£737Delta
Thu, 29 Oct - Mon, 9 Nov
Delta Logo
06:00 - 08:10SEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
18h 10m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
Delta Logo
17:30 - 11:47SOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
26h 17m1 stop Amsterdam Schiphol
£740Delta
Sun, 14 Feb - Sat, 20 Feb
KLM Logo
09:42 - 17:05SEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
23h 23m2 stops Salt Lake City Amsterdam Schiphol
KLM Logo
08:40 - 23:00SOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
22h 20m2 stops Amsterdam Schiphol New York John F Kennedy Intl
£740KLM
Mon, 2 Nov - Mon, 9 Nov
Delta Logo
06:05 - 08:10SEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
18h 05m2 stops Minneapolis St Paul Amsterdam Schiphol
Delta Logo
09:30 - 20:27SOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
18h 57m2 stops Amsterdam Schiphol Minneapolis St Paul
£747Delta
Sun, 14 Feb - Sun, 21 Feb

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Delta flights from Seattle to Southampton

Our best Delta deals on Seattle to Southampton flight tickets
Delta
14 Oct
SEA17:45Seattle/Tacoma Intl
15h 05m
1 stop
SOU16:50Southampton Eastleigh
21 Oct
SOU09:15Southampton Eastleigh
15h 20m
1 stop
SEA16:35Seattle/Tacoma Intl
£692
Delta
14 Oct
SEA12:30Seattle/Tacoma Intl
20h 20m
2 stops
SOU16:50Southampton Eastleigh
21 Oct
SOU09:15Southampton Eastleigh
22h 37m
2 stops
SEA23:52Seattle/Tacoma Intl
£703
Delta
14 Feb
SEA14:20Seattle/Tacoma Intl
18h 40m
1 stop
SOU17:00Southampton Eastleigh
20 Feb
SOU17:30Southampton Eastleigh
26h 17m
1 stop
SEA11:47Seattle/Tacoma Intl
£736

KLM flights from Seattle to Southampton

Our best KLM deals on Seattle to Southampton flight tickets
KLM
2 Nov
SEA14:35Seattle/Tacoma Intl
18h 30m
1 stop
SOU17:05Southampton Eastleigh
9 Nov
SOU17:45Southampton Eastleigh
29h 10m
2 stops
SEA14:55Seattle/Tacoma Intl
£692
KLM
14 Oct
SEA12:30Seattle/Tacoma Intl
20h 20m
2 stops
SOU16:50Southampton Eastleigh
21 Oct
SOU09:15Southampton Eastleigh
15h 20m
1 stop
SEA16:35Seattle/Tacoma Intl
£695
KLM
2 Nov
SEA09:42Seattle/Tacoma Intl
23h 23m
2 stops
SOU17:05Southampton Eastleigh
9 Nov
SOU08:40Southampton Eastleigh
22h 20m
2 stops
SEA23:00Seattle/Tacoma Intl
£740

momondo Fare Finder

 
Use the filters below to find and compare flights from Seattle to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Fri 30/10

07:45-11:55

2 stops21h 10m

Southampton Eastleigh

Fri 6/11

20:00-12:00

2 stops24h 00m

£649
Fastest return journey

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Wed 14/10

17:45-16:50

1 stop15h 05m

Southampton Eastleigh

Wed 21/10

09:15-16:35

1 stop15h 20m

£692

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Mon 2/11

14:35-17:05

1 stop18h 30m

Southampton Eastleigh

Mon 9/11

17:45-14:55

2 stops29h 10m

£692

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Wed 14/10

12:30-16:50

2 stops20h 20m

Southampton Eastleigh

Wed 21/10

09:15-16:35

1 stop15h 20m

£695

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Wed 14/10

12:30-16:50

2 stops20h 20m

Southampton Eastleigh

Wed 21/10

09:15-23:52

2 stops22h 37m

£703

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Sun 14/2

14:20-17:00

1 stop18h 40m

Southampton Eastleigh

Sat 20/2

17:30-11:47

1 stop26h 17m

£736

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Thu 29/10

15:25-08:55

1 stop34h 30m

Southampton Eastleigh

Mon 9/11

17:45-16:58

2 stops31h 13m

£737

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Sun 14/2

06:00-08:10

2 stops18h 10m

Southampton Eastleigh

Sat 20/2

17:30-11:47

1 stop26h 17m

£740

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Mon 2/11

09:42-17:05

2 stops23h 23m

Southampton Eastleigh

Mon 9/11

08:40-23:00

2 stops22h 20m

£740

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Sun 14/2

06:05-08:10

2 stops18h 05m

Southampton Eastleigh

Sun 21/2

09:30-20:27

2 stops18h 57m

£747

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Seattle to Southampton

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Seattle/Tacoma Intl to Southampton Eastleigh?

Aer Lingus is the most popular carrier operating from Seattle/Tacoma Intl to Southampton Eastleigh

Which airlines fly to Southampton?

Virgin Atlantic, British Airways and Alaska Airlines are the top three most popular airlines that fly to Southampton from Seattle according to our data. Virgin Atlantic is the first choice among our users, with 51% of people opting to fly with this airline when travelling to Southampton. Keep in mind that there are 3 different airlines that fly to Southampton on a routine basis, so you have a few additional options to choose from.

When to book flights from Seattle to Southampton

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Southampton according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Seattle to Southampton (SEA to SOU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Southampton

Best price found

£271

Fastest flight time

13h 40m

Direct flights

None
The best one-way flight to Southampton from Seattle in the past 72 hours is £271. The best return flight deal from Seattle to Southampton found on momondo in the last 72 hours is £649.
The fastest flight from Seattle to Southampton takes 13h 40m
There are no direct flights from Seattle to Southampton. There are no popular flight routes from Seattle to Southampton.
Search flight deals

Frequently asked questions about flying from Seattle to Southampton

  • How far is Seattle/Tacoma Intl to Southampton Eastleigh by plane?

    The distance between Seattle/Tacoma Intl and Southampton Eastleigh is about 4779.5 mi. 13h 40m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Southampton Eastleigh Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Southampton Eastleigh Airport are updated daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Southampton Eastleigh Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Southampton Eastleigh Airport.

  • What documentation or ID do you need to fly to Southampton Eastleigh Airport?

    The required travel and health documents for your Southampton Eastleigh Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Southampton Eastleigh Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Portsmouth

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Southampton?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Southampton from Seattle.

Can I find flights from Seattle to Southampton with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Southampton from Seattle with this policy.

How can momondo help me find flights from Seattle to Southampton?

momondo provides multiple filters to help you find the best flight to Southampton from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seattle to Southampton right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Southampton from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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