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Cheap flights from Seattle to London from £275

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
14:35 - 08:10SEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
33h 35m1 stop Amsterdam Schiphol
Multiple Airlines Logo
17:20 - 11:50SOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
26h 30m1 stop Amsterdam Schiphol
£911Multiple Airlines
Sat, 28 Nov - Sat, 5 Dec
Multiple Airlines Logo
14:35 - 08:10SEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
33h 35m1 stop Amsterdam Schiphol
Multiple Airlines Logo
09:25 - 23:55SOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
22h 30m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
£914Multiple Airlines
Sat, 28 Nov - Sat, 5 Dec
KLM Logo
07:27 - 08:55SEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
17h 28m2 stops Chicago O'Hare Intl Amsterdam Schiphol
KLM Logo
09:25 - 22:03SOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
20h 38m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
£936KLM
Sat, 28 Nov - Sat, 5 Dec
Multiple Airlines Logo
14:35 - 17:05SEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
18h 30m1 stop Amsterdam Schiphol
Multiple Airlines Logo
17:35 - 11:50SOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
26h 15m1 stop Amsterdam Schiphol
£949Multiple Airlines
Tue, 15 Dec - Tue, 22 Dec
Aer Lingus Logo
06:20 - 08:50SEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
18h 30m2 stops Chicago O'Hare Intl Dublin
Aer Lingus Logo
09:20 - 23:42SOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
22h 22m2 stops Dublin Chicago O'Hare Intl
£954Aer Lingus
Tue, 15 Dec - Tue, 22 Dec
Multiple Airlines Logo
06:00 - 08:10SEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
18h 10m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
Multiple Airlines Logo
17:35 - 11:50SOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
26h 15m1 stop Amsterdam Schiphol
£969Multiple Airlines
Tue, 15 Dec - Tue, 22 Dec
Multiple Airlines Logo
06:20 - 08:50SEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
18h 30m2 stops Chicago O'Hare Intl Dublin
Multiple Airlines Logo
09:20 - 23:53SOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
22h 33m2 stops Dublin Chicago O'Hare Intl
£995Multiple Airlines
Tue, 15 Dec - Tue, 22 Dec
Multiple Airlines Logo
14:35 - 18:40SEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
20h 05m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle
Multiple Airlines Logo
17:20 - 17:00SOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
31h 40m3 stops Amsterdam Schiphol Paris Charles de Gaulle Reykjavik Keflavik Intl
£1,014Multiple Airlines
Sat, 28 Nov - Sat, 5 Dec
Delta Logo
11:55 - 17:05SEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
21h 10m2 stops New York John F Kennedy Intl Amsterdam Schiphol
Delta Logo
17:35 - 11:50SOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
26h 15m1 stop Amsterdam Schiphol
£1,025Delta
Tue, 15 Dec - Tue, 22 Dec
Multiple Airlines Logo
14:35 - 08:10SEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
33h 35m3 stops Reykjavik Keflavik Intl Paris Charles de Gaulle Amsterdam Schiphol
Multiple Airlines Logo
17:20 - 17:00SOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
31h 40m3 stops Amsterdam Schiphol Paris Charles de Gaulle Reykjavik Keflavik Intl
£1,060Multiple Airlines
Sat, 28 Nov - Sat, 5 Dec

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British Airways flights from Seattle to Southampton

Our best British Airways deals on Seattle to Southampton flight tickets
British Airways
10 Jan
SEA18:45Seattle/Tacoma Intl
29h 35m
2 stops
SOU08:20Southampton Eastleigh
14 Jan
SOU19:15Southampton Eastleigh
48h 10m
2 stops
SEA11:25Seattle/Tacoma Intl
£4,969
British Airways
10 Jan
SEA18:45Seattle/Tacoma Intl
29h 35m
2 stops
SOU08:20Southampton Eastleigh
14 Jan
SOU19:15Southampton Eastleigh
48h 10m
2 stops
SEA11:25Seattle/Tacoma Intl
£4,972

KLM flights from Seattle to Southampton

Our best KLM deals on Seattle to Southampton flight tickets
KLM
28 Nov
SEA07:27Seattle/Tacoma Intl
17h 28m
2 stops
SOU08:55Southampton Eastleigh
5 Dec
SOU09:25Southampton Eastleigh
20h 38m
2 stops
SEA22:03Seattle/Tacoma Intl
£936
KLM
15 Dec
SEA14:35Seattle/Tacoma Intl
18h 30m
1 stop
SOU17:05Southampton Eastleigh
22 Dec
SOU17:35Southampton Eastleigh
26h 15m
1 stop
SEA11:50Seattle/Tacoma Intl
£1,338

momondo Fare Finder

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

Fly from

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Route

Depart

Return

Price

Cheapest return flight

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Sat 28/11

14:35-08:10

1 stop33h 35m

Southampton Eastleigh

Sat 5/12

17:20-11:50

1 stop26h 30m

£911

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Sat 28/11

14:35-08:10

1 stop33h 35m

Southampton Eastleigh

Sat 5/12

09:25-23:55

2 stops22h 30m

£914
Fastest return journey

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Sat 28/11

07:27-08:55

2 stops17h 28m

Southampton Eastleigh

Sat 5/12

09:25-22:03

2 stops20h 38m

£936

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Tue 15/12

14:35-17:05

1 stop18h 30m

Southampton Eastleigh

Tue 22/12

17:35-11:50

1 stop26h 15m

£949

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Tue 15/12

06:20-08:50

2 stops18h 30m

Southampton Eastleigh

Tue 22/12

09:20-23:42

2 stops22h 22m

£954

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Tue 15/12

06:00-08:10

2 stops18h 10m

Southampton Eastleigh

Tue 22/12

17:35-11:50

1 stop26h 15m

£969

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Tue 15/12

06:20-08:50

2 stops18h 30m

Southampton Eastleigh

Tue 22/12

09:20-23:53

2 stops22h 33m

£995

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Sat 28/11

14:35-18:40

2 stops20h 05m

Southampton Eastleigh

Sat 5/12

17:20-17:00

3 stops31h 40m

£1,014

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Tue 15/12

11:55-17:05

2 stops21h 10m

Southampton Eastleigh

Tue 22/12

17:35-11:50

1 stop26h 15m

£1,025

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Sat 28/11

14:35-08:10

3 stops33h 35m

Southampton Eastleigh

Sat 5/12

17:20-17:00

3 stops31h 40m

£1,060

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 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, Delta, and KLM are the most popular carriers operating from Seattle/Tacoma Intl to Southampton Eastleigh

Which airlines fly to Southampton?

Virgin Atlantic, Alaska Airlines and British Airways 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 46% 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

£275

Fastest flight time

18h 30m

Direct flights

None
The best one-way flight to Southampton from Seattle in the past 72 hours is £275. The best return flight deal from Seattle to Southampton found on momondo in the last 72 hours is £911.
The fastest flight from Seattle to Southampton takes 18h 30m
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. 18h 30m 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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