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Cheap flights from Seattle to Southampton from £373

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Southampton departing on 16/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to London

Cheap return flights

These are some of the best return flight deals from Seattle to London that have been recently found on momondo from popular airlines, departing in the coming months.
21:00 - 19:40SEA-SOU
15h 40m1 stop
09:30 - 19:15SOU-SEA
16h 45m1 stop
£598Aer Lingus
Find Deal
Wed, 12 Mar - Wed, 19 Mar
21:00 - 19:40SEA-SOU
15h 40m1 stop
09:30 - 19:15SOU-SEA
16h 45m1 stop
£659Aer Lingus
Find Deal
Sun, 16 Mar - Sun, 23 Mar
07:15 - 08:30SEA-SOU
18h 15m2 stops
17:20 - 12:40SOU-SEA
26h 20m1 stop
£733Delta
Find Deal
Wed, 12 Mar - Wed, 19 Mar
07:15 - 08:30SEA-SOU
18h 15m2 stops
09:00 - 22:22SOU-SEA
20h 22m2 stops
£741Delta
Find Deal
Wed, 12 Mar - Wed, 19 Mar
23:48 - 08:45SEA-SOU
25h 57m2 stops
16:00 - 19:15SOU-SEA
34h 15m1 stop
£824Aer Lingus
Find Deal
Sun, 16 Mar - Sun, 23 Mar
23:48 - 08:45SEA-SOU
25h 57m2 stops
16:00 - 22:38SOU-SEA
37h 38m2 stops
£852Aer Lingus
Find Deal
Sun, 16 Mar - Sun, 23 Mar
23:59 - 08:45SEA-SOU
25h 46m2 stops
13:40 - 19:15SOU-SEA
36h 35m2 stops
Sat, 15 Mar - Sat, 22 Mar
18:45 - 09:40SEA-SOU
30h 55m1 stop
17:15 - 16:59SOU-SEA
31h 44m1 stop
£1,050
Find Deal
Sat, 7 Jun - Thu, 19 Jun
15:15 - 08:25SEA-SOU
34h 10m1 stop
09:30 - 22:25SOU-SEA
19h 55m2 stops
£1,360KLM
Find Deal
Sat, 15 Mar - Sat, 22 Mar
15:15 - 08:25SEA-SOU
34h 10m1 stop
17:20 - 12:40SOU-SEA
26h 20m1 stop
£1,414KLM
Find Deal
Sat, 15 Mar - Sat, 22 Mar

Aer Lingus flights from Seattle to Southampton

Our best Aer Lingus deals on Seattle to Southampton flight tickets
Aer Lingus
12 Mar
SEA21:00Seattle/Tacoma Intl
15h 40m
1 stop
SOU19:40Southampton Eastleigh
19 Mar
SOU09:30Southampton Eastleigh
16h 45m
1 stop
SEA19:15Seattle/Tacoma Intl
Aer Lingus
16 Mar
SEA21:00Seattle/Tacoma Intl
15h 40m
1 stop
SOU19:40Southampton Eastleigh
23 Mar
SOU09:30Southampton Eastleigh
16h 45m
1 stop
SEA19:15Seattle/Tacoma Intl
Aer Lingus
16 Mar
SEA23:48Seattle/Tacoma Intl
25h 57m
2 stops
SOU08:45Southampton Eastleigh
23 Mar
SOU16:00Southampton Eastleigh
34h 15m
1 stop
SEA19:15Seattle/Tacoma Intl

KLM flights from Seattle to Southampton

Our best KLM deals on Seattle to Southampton flight tickets
KLM
15 Mar
SEA15:15Seattle/Tacoma Intl
34h 10m
1 stop
SOU08:25Southampton Eastleigh
22 Mar
SOU09:30Southampton Eastleigh
19h 55m
2 stops
SEA22:25Seattle/Tacoma Intl
KLM
15 Mar
SEA15:15Seattle/Tacoma Intl
34h 10m
1 stop
SOU08:25Southampton Eastleigh
22 Mar
SOU17:20Southampton Eastleigh
26h 20m
1 stop
SEA12:40Seattle/Tacoma Intl

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?

KLM, Delta, and Aer Lingus are the most popular carriers operating from Seattle/Tacoma Intl to Southampton Eastleigh

Which airlines fly to Southampton?

Virgin Atlantic, British Airways and Icelandair 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 55% of people opting to fly with this airline when travelling to Southampton. Keep in mind that there are 4 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

£373

Fastest flight time

15h 40m

Direct flights

None

Airports in Southampton

1 airport
The best one-way flight to Southampton from Seattle in the past 72 hours is £373. The best return flight deal from Seattle to Southampton found on momondo in the last 72 hours is £598.
The fastest flight from Seattle to Southampton takes 15h 40m
There are no direct flights from Seattle to Southampton. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Southampton Eastleigh Airport.
There is 1 airport near Southampton: Southampton Eastleigh (SOU)

  • 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. 15h 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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