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Cheap flights from District of Columbia to Southampton from £424

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SOU
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from District of Columbia to Southampton

Keep the following information in mind while searching for District of Columbia to Southampton flight deals. Data was last updated 15 January 2026.

Round-trip from

£548

One-way from

£424

Popular in

June

Cheapest in

September

Average price

£478
Virgin Atlantic
  • Virgin Atlantic
  • 15/2-3/3
  • 4 total stops
  • 57h 08m total
  • District of Columbia to Southampton
Search Deals
KLM
  • KLM
  • 11/6
  • 1 total stop
  • 9h 55m total
  • District of Columbia to Southampton
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£52 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from District of Columbia to Southampton

Enter your travel dates to find the best prices.

Cheapest flights from District of Columbia to Southampton
Explore the most affordable flight options available from District of Columbia to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 January 2026.

Sun 15/219:52
IAD
-
SOU
2 stops40h 13m
Virgin Atlantic
Tue 3/308:50
SOU
-
IAD
2 stops16h 55m
Virgin Atlantic
Deal found 12/1£548
Sun 15/218:05
IAD
-
SOU
1 stop9h 45m
Delta
Tue 3/308:50
SOU
-
IAD
1 stop12h 15m
Delta
Deal found 12/1£555
Sun 15/207:15
IAD
-
SOU
2 stops20h 35m
Delta
Tue 24/217:35
SOU
-
IAD
1 stop27h 30m
Delta
Deal found 14/1£563
Sat 14/218:05
IAD
-
SOU
1 stop18h 10m
Delta
Wed 25/208:50
SOU
-
IAD
1 stop12h 15m
Delta
Deal found 14/1£565
Mon 24/818:10
IAD
-
SOU
1 stop18h 25m
KLM
Mon 7/917:20
SOU
-
IAD
1 stop27h 15m
KLM
Deal found 13/1£565
Sun 15/212:20
DCA
-
SOU
2 stops15h 30m
Delta
Tue 3/308:50
SOU
-
DCA
2 stops19h 07m
Delta
Deal found 12/1£566
Sun 15/218:05
IAD
-
SOU
1 stop9h 45m
Delta
Fri 27/208:50
SOU
-
IAD
2 stops15h 19m
Delta
Deal found 14/1£567
Tue 29/918:40
IAD
-
SOU
2 stops17h 10m
KLM
Fri 9/1009:05
SOU
-
IAD
1 stop11h 30m
KLM
Deal found 13/1£569
Wed 18/212:38
IAD
-
SOU
2 stops14h 47m
Delta
Fri 27/208:50
SOU
-
IAD
2 stops15h 19m
Delta
Deal found 14/1£571
Sat 14/218:05
IAD
-
SOU
1 stop18h 10m
Delta
Sun 22/209:30
SOU
-
IAD
1 stop11h 35m
Delta
Deal found 14/1£574
Fri 27/211:06
DCA
-
SOU
2 stops16h 44m
Delta
Fri 6/308:50
SOU
-
DCA
2 stops18h 22m
Delta
Deal found 13/1£575
Thu 22/1017:40
IAD
-
SOU
1 stop9h 55m
Delta
Wed 4/1108:40
SOU
-
IAD
1 stop12h 05m
Delta
Deal found 13/1£575

Cheapflights Fare Finder

 
Customise your flight search to find flights from District of Columbia to Southampton 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 15 January 2026.
Use the filters below to find and compare flights from District of Columbia to Southampton that are best for you.

Fly from

District of Columbia

Fly to

Southampton

Route

Depart

Return

Price

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sun 15/2

19:52-17:05

2 stops40h 13m

Southampton Eastleigh

Tue 3/3

08:50-20:45

2 stops16h 55m

£548

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 17/2

18:05-17:05

1 stop18h 00m

Southampton Eastleigh

Mon 23/2

17:40-16:05

1 stop27h 25m

£555

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sun 15/2

18:05-08:50

1 stop9h 45m

Southampton Eastleigh

Thu 26/2

08:50-16:05

1 stop12h 15m

£555

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sun 15/2

18:05-17:05

1 stop18h 00m

Southampton Eastleigh

Mon 23/2

17:40-16:05

1 stop27h 25m

£555

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sun 15/2

18:05-08:50

1 stop9h 45m

Southampton Eastleigh

Tue 3/3

08:50-16:05

1 stop12h 15m

£555

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 17/2

18:05-08:50

1 stop9h 45m

Southampton Eastleigh

Wed 25/2

08:50-16:05

1 stop12h 15m

£555

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 16/2

18:05-08:50

1 stop9h 45m

Southampton Eastleigh

Wed 25/2

17:35-16:05

1 stop27h 30m

£555

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sun 15/2

18:05-08:50

1 stop9h 45m

Southampton Eastleigh

Tue 24/2

08:50-16:05

1 stop12h 15m

£555

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 17/2

10:08-08:50

2 stops17h 42m

Southampton Eastleigh

Tue 24/2

17:35-16:05

1 stop27h 30m

£563

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sun 15/2

17:25-17:05

2 stops18h 40m

Southampton Eastleigh

Wed 25/2

17:35-16:05

1 stop27h 30m

£563

Flights are sorted by cheapest return flights first.

Deals found on 13/1

Showing 1-10 of 23 results
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Best time to book a flight from District of Columbia to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from District of Columbia 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.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Southampton

What is the cheapest month to book a flight from District of Columbia to Southampton?

Currently, March is the cheapest month in which you can book a flight from District of Columbia to Southampton (average of £23). Flying from District of Columbia to Southampton in June is currently the most expensive (average of £529). 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 District of Columbia to Southampton. 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 into for flights to Southampton from District of Columbia?

    For a flight from District of Columbia to Southampton, you will be flying into Eastleigh. Southampton Eastleigh (SOU) is just 3.5 mi from the center of the city.

  • How long is the flight from District of Columbia to Southampton?

    Virgin Atlantic, Delta, and KLM can get you from District of Columbia to Southampton in just under 17h 40m. Your travel time can differ by up to 22h 33m. There are 3626 mi between District of Columbia and Southampton. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from District of Columbia to Southampton that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Southampton flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Southampton?

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

  • Can I find deals for business class flights from District of Columbia to Southampton?

    Yes. Cheapflights offers flight deals from District of Columbia to Southampton 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 District of Columbia to Southampton?

    Currently, March is the cheapest month in which you can book a flight from District of Columbia to Southampton (average of £23). Flying from District of Columbia to Southampton in June is currently the most expensive (average of £529). 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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Alternative routes for District of Columbia to Southampton

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How does Cheapflights help users find flights from District of Columbia to Southampton?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from District of Columbia to Southampton. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from District of Columbia to Southampton?

Cheapflights helps you find that perfect flight to Southampton from District of Columbia by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from District of Columbia to Southampton with no change fees?

Certainly. Search results for flights to Southampton from District of Columbia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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