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Cheap flights from Seattle to London from $766

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:40 pm - 7:30 pmSEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
19h 50m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
9:20 am - 5:55 pmSOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
16h 35m2 stops Dublin Reykjavik Keflavik Intl
$888Multiple Airlines
Wed, Oct 7 - Wed, Oct 14
Aer Lingus Logo
7:10 pm - 7:30 pmSEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
16h 20m1 stop Dublin
Aer Lingus Logo
9:20 am - 5:10 pmSOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
15h 50m1 stop Dublin
$1,010Aer Lingus
Wed, Oct 7 - Wed, Oct 14
Multiple Airlines Logo
7:00 pm - 7:20 amSEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
28h 20m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
9:20 am - 5:10 pmSOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
15h 50m1 stop Dublin
$1,040Multiple Airlines
Thu, Oct 8 - Thu, Oct 15
Multiple Airlines Logo
3:40 pm - 7:30 pmSEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
19h 50m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
9:20 am - 5:10 pmSOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
15h 50m1 stop Dublin
$1,078Multiple Airlines
Wed, Oct 7 - Wed, Oct 14
Delta Logo
2:35 pm - 8:10 amSEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
33h 35m1 stop Amsterdam Schiphol
Delta Logo
5:20 pm - 11:47 amSOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
26h 27m1 stop Amsterdam Schiphol
$1,093Delta
Sun, Nov 8 - Tue, Nov 17
Delta Logo
10:59 pm - 8:10 amSEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
25h 11m2 stops New York John F Kennedy Intl Amsterdam Schiphol
Delta Logo
5:20 pm - 11:47 amSOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
26h 27m1 stop Amsterdam Schiphol
$1,098Delta
Sat, Nov 7 - Tue, Nov 17
Delta Logo
10:59 pm - 8:10 amSEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
25h 11m2 stops New York John F Kennedy Intl Amsterdam Schiphol
Delta Logo
5:20 pm - 8:18 pmSOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
34h 58m2 stops Amsterdam Schiphol New York John F Kennedy Intl
$1,108Delta
Sat, Nov 7 - Wed, Nov 18
Multiple Airlines Logo
3:40 pm - 7:30 pmSEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
19h 50m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Dublin
Multiple Airlines Logo
8:55 am - 5:10 pmSOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
16h 15m2 stops Edinburgh Turnhouse Dublin
$1,118Multiple Airlines
Wed, Oct 7 - Wed, Oct 14
Aer Lingus Logo
7:10 pm - 7:30 pmSEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
16h 20m1 stop Dublin
Aer Lingus Logo
9:20 am - 5:10 pmSOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
15h 50m1 stop Dublin
$1,125Aer Lingus
Thu, Oct 8 - Thu, Oct 15
Delta Logo
2:35 pm - 4:50 pmSEA  Seattle/Tacoma Intl-SOU Southampton Eastleigh
18h 15m1 stop Amsterdam Schiphol
Delta Logo
5:20 pm - 11:47 amSOU  Southampton Eastleigh-SEA Seattle/Tacoma Intl
26h 27m1 stop Amsterdam Schiphol
$1,143Delta
Thu, Nov 5 - Wed, Nov 18

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Aer Lingus flights from Seattle to Southampton

Our best Aer Lingus deals on Seattle to Southampton flight tickets
Aer Lingus
Oct 7
SEA7:10 pmSeattle/Tacoma Intl
16h 20m
1 stop
SOU7:30 pmSouthampton Eastleigh
Oct 14
SOU9:20 amSouthampton Eastleigh
15h 50m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
$1,010
Aer Lingus
Oct 8
SEA7:10 pmSeattle/Tacoma Intl
16h 20m
1 stop
SOU7:30 pmSouthampton Eastleigh
Oct 15
SOU9:20 amSouthampton Eastleigh
15h 50m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
$1,125
Aer Lingus
Sep 13
SEA7:10 pmSeattle/Tacoma Intl
16h 20m
1 stop
SOU7:30 pmSouthampton Eastleigh
Sep 27
SOU9:20 amSouthampton Eastleigh
15h 50m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
$1,510

British Airways flights from Seattle to Southampton

Our best British Airways deals on Seattle to Southampton flight tickets
British Airways
Sep 15
SEA1:30 pmSeattle/Tacoma Intl
21h 55m
2 stops
SOU7:25 pmSouthampton Eastleigh
Sep 23
SOU8:55 amSouthampton Eastleigh
16h 15m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
$6,142
British Airways
Sep 20
SEA1:30 pmSeattle/Tacoma Intl
21h 55m
2 stops
SOU7:25 pmSouthampton Eastleigh
Sep 27
SOU9:20 amSouthampton Eastleigh
15h 50m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
$17,933

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest round-trip

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Wed 10/7

3:40 pm-7:30 pm

2 stops19h 50m

Southampton Eastleigh

Wed 10/14

9:20 am-5:55 pm

2 stops16h 35m

$888
Quickest round-trip

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Wed 10/7

7:10 pm-7:30 pm

1 stop16h 20m

Southampton Eastleigh

Wed 10/14

9:20 am-5:10 pm

1 stop15h 50m

$1,010

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Thu 10/8

7:00 pm-7:20 am

2 stops28h 20m

Southampton Eastleigh

Thu 10/15

9:20 am-5:10 pm

1 stop15h 50m

$1,040

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Wed 10/7

3:40 pm-7:30 pm

2 stops19h 50m

Southampton Eastleigh

Wed 10/14

9:20 am-5:10 pm

1 stop15h 50m

$1,078

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Sun 11/8

2:35 pm-8:10 am

1 stop33h 35m

Southampton Eastleigh

Tue 11/17

5:20 pm-11:47 am

1 stop26h 27m

$1,093

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Sat 11/7

10:59 pm-8:10 am

2 stops25h 11m

Southampton Eastleigh

Tue 11/17

5:20 pm-11:47 am

1 stop26h 27m

$1,098

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Sat 11/7

10:59 pm-8:10 am

2 stops25h 11m

Southampton Eastleigh

Wed 11/18

5:20 pm-8:18 pm

2 stops34h 58m

$1,108

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Wed 10/7

3:40 pm-7:30 pm

3 stops19h 50m

Southampton Eastleigh

Wed 10/14

8:55 am-5:10 pm

2 stops16h 15m

$1,118

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Thu 10/8

7:10 pm-7:30 pm

1 stop16h 20m

Southampton Eastleigh

Thu 10/15

9:20 am-5:10 pm

1 stop15h 50m

$1,125

SeattleSouthampton

SEA Seattle/Tacoma Intl - SOU Southampton Eastleigh

SEASOU

Seattle/Tacoma Intl

Thu 11/5

2:35 pm-4:50 pm

1 stop18h 15m

Southampton Eastleigh

Wed 11/18

5:20 pm-11:47 am

1 stop26h 27m

$1,143

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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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

Can stopping save me money on Seattle to Southampton flights?

You could potentially save up to 33% on your flight if you consider stops on a Seattle to Southampton flight.

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 round-trip 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

$766

Fastest flight time

16h 20m

Direct flights

None
The best one-way flight to Southampton from Seattle in the past 72 hours is $766. The best round-trip flight deal from Seattle to Southampton found on momondo in the last 72 hours is $888.
The fastest flight from Seattle to Southampton takes 16h 20m
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?

    A flight from Seattle/Tacoma Intl to Southampton Eastleigh will travel around 4779.5 mi. 16h 20m 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?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 travel and health documents you'll need for your trip to Southampton Eastleigh Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Southampton Eastleigh Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling 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?

All flight searches from Seattle to Southampton on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Seattle to Southampton flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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