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$733+ Cheap flights from Southampton (SOU) to Washington

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — SEA
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheap flight deals from Southampton to Washington

Keep the following information in mind while searching for Southampton to Washington flight deals. Data was last updated septiembre 16, 2025.

Round-trip from

$733
(Virgin Atlantic)

Popular in

July

Cheapest in

January

Average price

$677
From Southampton Eastleigh to Washington
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($113 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Southampton to Washington

Cheapest flights from Southampton to Washington
Explore the most affordable flight options available from Southampton to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 16, 2025.

This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/19:20 amSOU - SEA
1 stop14h 45mDelta
dom. 10/57:50 amSEA - SOU
2 stops16h 55mDelta
Deal found 9/15$742
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/305:35 pmSOU - SEA
1 stop26h 15mDelta
sáb. 10/411:40 pmSEA - SOU
2 stops25h 05mDelta
Deal found 9/14$783
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/19:10 amSOU - SEA
2 stops18h 59mMultiple Airlines
dom. 10/51:30 pmSEA - SOU
2 stops17h 45mMultiple Airlines
Deal found 9/15$988
This British Airways deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/18:00 pmSOU - SEA
1 stop29h 50mBritish Airways
dom. 10/57:35 pmSEA - SOU
1 stop28h 40mBritish Airways
Deal found 9/15$989
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/309:20 amSOU - SEA
1 stop14h 45mKLM
sáb. 10/49:35 pmSEA - SOU
2 stops27h 10mKLM
Deal found 9/14$999
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/309:20 amSOU - SEA
2 stops18h 56mMultiple Airlines
sáb. 10/49:35 pmSEA - SOU
2 stops27h 10mMultiple Airlines
Deal found 9/14$1,058

Cheapflights Fare Finder

 
Customize your flight search to find flights from Southampton to 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, Cheapflights users made 2,558,603 searches. Data last updated septiembre 16, 2025.
Use the filters below to find and compare flights from Southampton to Washington that are best for you.

Fly from

Southampton

Fly to

Washington

Route

Depart

Return

Price

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

mié. 3/4

5:30 pm-11:35 am

1 stop26h 05m

Seattle/Tacoma Intl

dom. 3/8

7:20 am-8:10 am

2 stops41h 50m

$733

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

mié. 3/4

5:30 pm-11:35 am

1 stop26h 05m

Seattle/Tacoma Intl

dom. 3/8

7:20 am-8:10 am

2 stops41h 50m

$737

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

mié. 10/1

9:20 am-4:05 pm

1 stop14h 45m

Seattle/Tacoma Intl

dom. 10/5

7:50 am-8:45 am

2 stops16h 55m

$742

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

vie. 1/9

9:00 am-12:26 pm

2 stops59h 26m

Seattle/Tacoma Intl

vie. 1/23

1:30 pm-5:15 pm

2 stops43h 45m

$744

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

dom. 1/4

8:00 pm-11:30 am

2 stops47h 30m

$792

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

vie. 1/2

4:30 pm-6:20 pm

2 stops57h 50m

$854

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

sáb. 1/3

9:10 am-6:20 pm

2 stops41h 10m

$1,012

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

vie. 10/3

7:55 pm-6:20 pm

2 stops30h 25m

$3,714

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

sáb. 10/11

9:40 am-5:50 pm

1 stop16h 10m

$13,736

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Best time to book a flight from Southampton to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Southampton with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Southampton to Washington

What is the cheapest month to book a flight from Southampton to State of Washington?

Currently, January is the cheapest month in which you can book a flight from Southampton to State of Washington (average of $238). Flying from Southampton to State of Washington in June is currently the most expensive (average of $387). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Southampton to Washington?

    Most people fly from Southampton Eastleigh (SOU) if they book a flight from Southampton to Washington. Southampton Eastleigh is conveniently located just 3.5 mi from Southampton’s city center.

  • How long is the flight from Southampton to State of Washington?

    Departing from Southampton to State of Washington will take you 26h 05m. The distance between Southampton and State of Washington is about 4787 mi.

  • Can I find deals for flights from Southampton to Washington that include hotel bookings?

    Yes. In addition to deals on Southampton to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Southampton to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Washington.

  • Can I find deals for business class flights from Southampton to Washington?

    Yes. Cheapflights offers flight deals from Southampton to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Southampton to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Southampton to State of Washington (average of $238). Flying from Southampton to State of Washington in June is currently the most expensive (average of $387). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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