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Cheap flights from Southampton to Washington from £516

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — SEA
19 Jan — 26 Jan1
1 adult

Cheap flight deals from Southampton to Washington

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Washington (USWA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 January 2025.

Round-trip from

£516
KLM
  • KLM
  • 18/2-25/2
  • 2 total stops
  • 69h 07m total
  • Southampton to Washington
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 14 January 2025.

Tue 18/209:00SOU - SEA
1 stop34h 46mKLM
Tue 25/214:09SEA - SOU
1 stop34h 21mKLM
Deal found 13/1£516
Tue 18/217:20SOU - SEA
1 stop26h 26mDelta
Tue 25/214:09SEA - SOU
1 stop18h 41mDelta
Deal found 13/1£519
Tue 18/219:55SOU - SEA
3 stops29h 05mMultiple Airlines
Tue 25/214:35SEA - SOU
3 stops33h 05mMultiple Airlines
Deal found 13/1£753
Sun 26/109:30SOU - SEA
2 stops19h 17mVirgin Atlantic
Fri 31/114:14SEA - SOU
1 stop18h 36mVirgin Atlantic
Deal found 13/1£2,038
Fri 28/209:30SOU - SEA
1 stop16h 45mBritish Airways
Sat 1/313:45SEA - SOU
2 stops21h 40mBritish Airways
Deal found 13/1£3,176

Find flights from Southampton to Washington within your budget

Customise 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 858,174 searches. Data last updated 14 January 2025.

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Any airport

Fly to

Any airport

Route

Depart

Return

Price

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Tue 18/2

09:00-11:46

1 stop34h 46m

Seattle/Tacoma Intl

Tue 25/2

14:09-08:30

1 stop34h 21m

£516

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Tue 18/2

17:20-11:46

1 stop26h 26m

Seattle/Tacoma Intl

Tue 25/2

14:09-16:50

1 stop18h 41m

£519

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Tue 18/2

19:55-17:00

3 stops29h 05m

Seattle/Tacoma Intl

Tue 25/2

14:35-07:40

3 stops33h 05m

£753

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Sun 26/1

09:30-20:47

2 stops19h 17m

Seattle/Tacoma Intl

Fri 31/1

14:14-16:50

1 stop18h 36m

£2,038

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Fri 28/2

09:30-18:15

1 stop16h 45m

Seattle/Tacoma Intl

Sat 1/3

13:45-19:25

2 stops21h 40m

£3,176

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Tue 8/7

16:30-11:35

2 stops27h 05m

£689

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Tue 8/7

20:00-16:59

1 stop28h 59m

£816

Flights are sorted by cheapest return flights first.

Deals found on 13/1

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 return 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.

Travel insights for flights from Southampton to Washington

Get recent, data-driven insights about flights from Southampton to Washington including ideal travel times, pricing trends, and more.

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 £622). Flying from Southampton to State of Washington in July is currently the most expensive (average of £946). 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.

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit State of Washington when rainfall is around 18.0 mm.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated 14 January 2025.
Delta
8.0
Very Good
8,505 reviews
Check prices

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very Good
8,505 reviews
Delta
8.0
Very Good
8,505 reviews
Check prices

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,336 reviews
Delta
8.0
Very Good
8,505 reviews
Check prices

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic
7.5
Good
664 reviews
Delta
8.0
Very Good
8,505 reviews
Check prices

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Aer Lingus
7.1
Good
1,075 reviews
Delta
8.0
Very Good
8,505 reviews
Check prices

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

British Airways
6.6
Okay
6,808 reviews
Delta
8.0
Very Good
8,505 reviews
Check prices

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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?

    Southampton Eastleigh (SOU) is the airport you will fly out of if you book a flight from Southampton to Washington. It is only a 3.5 mi journey to Eastleigh (SOU) from Southampton’s city center.

  • 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 holiday 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 £622). Flying from Southampton to State of Washington in July is currently the most expensive (average of £946). 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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How does Cheapflights help users find flights from Southampton to Washington?

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Why should you use Cheapflights to find cheap flight tickets from Southampton to Washington?

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Can Cheapflights find flights from Southampton to Washington with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Southampton to Washington, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Southampton to Washington become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Washington from Southampton today and book when prices fit your budget.

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