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Cheap flights from Southampton to Seattle from £416

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Southampton to Seattle departing on 23/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

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Virgin Atlantic Logo
17:30 - 11:35SOU-SEA
26h 05m1 stop
Virgin Atlantic Logo
07:20 - 17:00SEA-SOU
26h 40m2 stops
£489Virgin Atlantic
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Wed, 4 Mar - Sun, 8 Mar
Virgin Atlantic Logo
17:30 - 11:35SOU-SEA
26h 05m1 stop
Virgin Atlantic Logo
16:00 - 08:10SEA-SOU
33h 10m1 stop
£493Virgin Atlantic
Find Deal
Wed, 4 Mar - Sun, 8 Mar
Virgin Atlantic Logo
17:30 - 20:00SOU-SEA
34h 30m2 stops
Virgin Atlantic Logo
22:00 - 17:00SEA-SOU
36h 00m2 stops
£494Virgin Atlantic
Find Deal
Wed, 4 Mar - Sun, 8 Mar
Virgin Atlantic Logo
17:30 - 11:35SOU-SEA
26h 05m1 stop
Virgin Atlantic Logo
21:55 - 17:00SEA-SOU
36h 05m2 stops
£495Virgin Atlantic
Find Deal
Wed, 4 Mar - Sun, 8 Mar
Virgin Atlantic Logo
17:30 - 14:44SOU-SEA
29h 14m2 stops
Virgin Atlantic Logo
21:55 - 17:00SEA-SOU
36h 05m2 stops
£498Virgin Atlantic
Find Deal
Wed, 4 Mar - Sun, 8 Mar
Virgin Atlantic Logo
08:40 - 12:33SOU-SEA
59h 53m2 stops
Virgin Atlantic Logo
21:55 - 08:10SEA-SOU
27h 15m2 stops
£499Virgin Atlantic
Find Deal
Wed, 4 Mar - Sun, 8 Mar

Virgin Atlantic flights from Southampton to Seattle

Our best Virgin Atlantic deals on Southampton to Seattle flight tickets
Virgin Atlantic
4 Mar
SOU17:30Southampton Eastleigh
26h 05m
1 stop
SEA11:35Seattle/Tacoma Intl
8 Mar
SEA07:20Seattle/Tacoma Intl
26h 40m
2 stops
SOU17:00Southampton Eastleigh
£489
Find similar
Virgin Atlantic
4 Mar
SOU17:30Southampton Eastleigh
26h 05m
1 stop
SEA11:35Seattle/Tacoma Intl
8 Mar
SEA16:00Seattle/Tacoma Intl
33h 10m
1 stop
SOU08:10Southampton Eastleigh
£493
Find similar
Virgin Atlantic
4 Mar
SOU17:30Southampton Eastleigh
34h 30m
2 stops
SEA20:00Seattle/Tacoma Intl
8 Mar
SEA22:00Seattle/Tacoma Intl
36h 00m
2 stops
SOU17:00Southampton Eastleigh
£494
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Southampton to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 4 November 2025.
Use the filters below to find and compare flights from Southampton to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Wed 4/3

17:30-11:35

1 stop26h 05m

Seattle/Tacoma Intl

Sun 8/3

07:20-17:00

2 stops26h 40m

£489

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Wed 4/3

17:30-11:35

1 stop26h 05m

Seattle/Tacoma Intl

Sun 8/3

16:00-08:10

1 stop33h 10m

£493

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Wed 4/3

17:30-20:00

2 stops34h 30m

Seattle/Tacoma Intl

Sun 8/3

22:00-17:00

2 stops36h 00m

£494

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Wed 4/3

17:30-11:35

1 stop26h 05m

Seattle/Tacoma Intl

Sun 8/3

21:55-17:00

2 stops36h 05m

£495

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Wed 4/3

17:30-14:44

2 stops29h 14m

Seattle/Tacoma Intl

Sun 8/3

21:55-17:00

2 stops36h 05m

£498

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Wed 4/3

08:40-12:33

2 stops59h 53m

Seattle/Tacoma Intl

Sun 8/3

21:55-08:10

2 stops27h 15m

£499

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Mon 23/3

19:55-10:28

2 stops45h 33m

£416

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Mon 23/3

19:00-10:15

3 stops46h 15m

£432

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Mon 23/3

16:05-12:30

2 stops27h 25m

£461

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Mon 23/3

16:05-12:30

2 stops27h 25m

£463

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Southampton to Seattle

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 day to depart on your flight to Seattle?

According to our data, Wednesday is the cheapest day to fly to Seattle from Southampton. The lowest ticket price found for a Wednesday departure recently was £603. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Seattle on Sunday is £697.

What is the cheapest time of day to depart on your flight to Seattle?

According to our data, the cheapest time of day to fly to Seattle is in the evening. momondo users have found flights departing from Southampton to Seattle in the evening for as low as £537. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive, with an average ticket price of £643.

When to book flights from Southampton to Seattle

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

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

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

Direct flights

None
There are no direct flights from Southampton to Seattle. There are no popular flight routes from Southampton to Seattle.
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  • How far is Southampton Eastleigh to Seattle/Tacoma Intl by plane?

    Seattle/Tacoma Intl is 4779.5 mi away from Southampton Eastleigh. By plane, this route typically takes 26h 05m.

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

    Prices for flights from Southampton Eastleigh Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Southampton Eastleigh Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Fife
Renton
SeaTac

Why use momondo?

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

Finding the right flight to Seattle from Southampton is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

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

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

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

Once all potential Southampton to Seattle 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 Southampton to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from Southampton are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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