Cheap flights from Southampton to Washington from £656

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Southampton to Washington departing on 16/5. 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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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
17:20 - 17:10
SOU
-
SEA
31h 50m
2 stops
Multiple Airlines Logo
19:10 - 16:50
SEA
-
SOU
13h 40m
1 stop
£656Multiple Airlines
Sat, 16 May - Sat, 23 May
British Airways Logo
09:20 - 17:10
SOU
-
SEA
15h 50m
1 stop
British Airways Logo
19:10 - 16:50
SEA
-
SOU
13h 40m
1 stop
£780British Airways
Wed, 23 Sep - Sun, 27 Sep
British Airways Logo
09:20 - 17:10
SOU
-
SEA
15h 50m
1 stop
British Airways Logo
19:10 - 16:50
SEA
-
SOU
13h 40m
1 stop
£784British Airways
Wed, 23 Sep - Sun, 27 Sep
British Airways Logo
09:20 - 17:10
SOU
-
SEA
15h 50m
1 stop
British Airways Logo
20:20 - 09:45
SEA
-
SOU
29h 25m
2 stops
£789British Airways
Wed, 23 Sep - Sun, 27 Sep
British Airways Logo
09:20 - 17:10
SOU
-
SEA
15h 50m
1 stop
British Airways Logo
20:20 - 08:25
SEA
-
SOU
28h 05m
2 stops
£792British Airways
Wed, 23 Sep - Sun, 27 Sep
British Airways Logo
09:20 - 17:10
SOU
-
SEA
15h 50m
1 stop
British Airways Logo
20:20 - 09:45
SEA
-
SOU
29h 25m
2 stops
£794British Airways
Wed, 23 Sep - Sun, 27 Sep
KLM Logo
17:20 - 11:42
SOU
-
SEA
26h 22m
1 stop
KLM Logo
17:40 - 08:35
SEA
-
SOU
30h 55m
1 stop
£800KLM
Sat, 16 May - Sat, 23 May
Multiple Airlines Logo
07:50 - 09:40
SOU
-
SEA
33h 50m
3 stops
Multiple Airlines Logo
15:40 - 08:35
SEA
-
SOU
32h 55m
3 stops
£803Multiple Airlines
Sat, 16 May - Sat, 23 May
British Airways Logo
09:20 - 17:10
SOU
-
SEA
15h 50m
1 stop
British Airways Logo
19:10 - 16:50
SEA
-
SOU
13h 40m
1 stop
£807British Airways
Fri, 15 May - Sun, 7 Jun
KLM Logo
09:15 - 20:43
SOU
-
SEA
19h 28m
2 stops
KLM Logo
10:35 - 08:45
SEA
-
SOU
14h 10m
2 stops
£809KLM
Sat, 16 May - Sat, 23 May

KLM flights from Southampton to State of Washington

Our best KLM deals on Southampton to State of Washington flight tickets
KLM
16 May
SOU17:20Southampton Eastleigh
26h 22m
1 stop
SEA11:42Seattle/Tacoma Intl
23 May
SEA17:40Seattle/Tacoma Intl
30h 55m
1 stop
SOU08:35Southampton Eastleigh
£800
KLM
16 May
SOU09:15Southampton Eastleigh
19h 28m
2 stops
SEA20:43Seattle/Tacoma Intl
23 May
SEA10:35Seattle/Tacoma Intl
14h 10m
2 stops
SOU08:45Southampton Eastleigh
£809

British Airways flights from Southampton to State of Washington

Our best British Airways deals on Southampton to State of Washington flight tickets
British Airways
9 May
SOU09:20Southampton Eastleigh
15h 50m
1 stop
SEA17:10Seattle/Tacoma Intl
12 May
SEA19:10Seattle/Tacoma Intl
16h 20m
1 stop
SOU19:30Southampton Eastleigh
£769
British Airways
23 Sept
SOU09:20Southampton Eastleigh
15h 50m
1 stop
SEA17:10Seattle/Tacoma Intl
27 Sept
SEA19:10Seattle/Tacoma Intl
13h 40m
1 stop
SOU16:50Southampton Eastleigh
£780
British Airways
23 Sept
SOU09:20Southampton Eastleigh
15h 50m
1 stop
SEA17:10Seattle/Tacoma Intl
27 Sept
SEA19:10Seattle/Tacoma Intl
13h 40m
1 stop
SOU16:50Southampton Eastleigh
£784

momondo Fare Finder

 
Customise your flight search to find flights from Southampton to State of Washington 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 5 April 2026.
Use the filters below to find and compare flights from Southampton to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Sat 16/5

17:20-17:10

2 stops31h 50m

Seattle/Tacoma Intl

Sat 23/5

19:10-16:50

1 stop13h 40m

£656
Fastest return journey

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Wed 23/9

09:20-17:10

1 stop15h 50m

Seattle/Tacoma Intl

Sun 27/9

19:10-16:50

1 stop13h 40m

£780

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Wed 23/9

09:20-17:10

1 stop15h 50m

Seattle/Tacoma Intl

Sun 27/9

19:10-16:50

1 stop13h 40m

£784

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Wed 23/9

09:20-17:10

1 stop15h 50m

Seattle/Tacoma Intl

Sun 27/9

20:20-09:45

2 stops29h 25m

£789

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Wed 23/9

09:20-17:10

1 stop15h 50m

Seattle/Tacoma Intl

Sun 27/9

20:20-08:25

2 stops28h 05m

£792

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Wed 23/9

09:20-17:10

1 stop15h 50m

Seattle/Tacoma Intl

Sun 27/9

20:20-09:45

2 stops29h 25m

£794

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Sat 16/5

17:20-11:42

1 stop26h 22m

Seattle/Tacoma Intl

Sat 23/5

17:40-08:35

1 stop30h 55m

£800

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Sat 16/5

07:50-09:40

3 stops33h 50m

Seattle/Tacoma Intl

Sat 23/5

15:40-08:35

3 stops32h 55m

£803

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Fri 15/5

09:20-17:10

1 stop15h 50m

Seattle/Tacoma Intl

Sun 7/6

19:10-16:50

1 stop13h 40m

£807

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Sat 16/5

09:15-20:43

2 stops19h 28m

Seattle/Tacoma Intl

Sat 23/5

10:35-08:45

2 stops14h 10m

£809

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

How to get the cheapest flight ticket from Southampton to State of Washington

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 Southampton Eastleigh to Washington?

British Airways is the most popular carrier operating from Southampton Eastleigh to Washington

Which airlines fly to State of Washington?

Virgin Atlantic, British Airways and Icelandair are the top three most popular airlines that fly to State of Washington from Southampton 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 State of Washington. Keep in mind that there are 14 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

Cheap Southampton to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Southampton to State of Washington

Fastest flight time

15h 50m

Direct flights

None
The fastest flight from Southampton to State of Washington takes 15h 50m
There are no direct flights from Southampton to State of Washington. There are no popular flight routes from Southampton to State of Washington.

Frequently asked questions about flying from Southampton to Washington

  • When did momondo last update prices for flights from Southampton Eastleigh Airport to Washington?

    Prices for flights from Southampton Eastleigh Airport to Washington are updated daily.

  • How old do you have to be to fly from Southampton Eastleigh Airport to Washington?

    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 Southampton Eastleigh Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Southampton to Washington for you.

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

Yes. momondo allows you to filter the results for Southampton to Washington flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Southampton and Washington by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Washington, momondo offers a useful price alert feature which will track prices for flights to Washington from Southampton and alert you when they change.

An easier way to manage your State of Washington trip

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Tue 5/5
Tue 12/5

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