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Cheap flights from District of Columbia to Southampton from £299

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SOU
9 Jun — 16 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap 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 10 May 2026.

Mon 17/813:25
DCA
-
SOU
2 stops14h 15m
Multiple Airlines
Tue 1/909:15
SOU
-
DCA
2 stops15h 42m
Multiple Airlines
Deal found 7/5£701
Mon 17/817:15
IAD
-
SOU
1 stop10h 25m
Multiple Airlines
Tue 1/918:10
SOU
-
IAD
2 stops30h 15m
Multiple Airlines
Deal found 7/5£747
Sat 6/617:15
IAD
-
SOU
1 stop10h 20m
Aer Lingus
Sun 14/609:20
SOU
-
IAD
1 stop14h 55m
Aer Lingus
Deal found 9/5£759
Fri 5/620:40
DCA
-
SOU
2 stops17h 50m
Multiple Airlines
Sat 13/609:20
SOU
-
DCA
2 stops18h 08m
Multiple Airlines
Deal found 8/5£791
Mon 24/818:10
IAD
-
SOU
1 stop9h 35m
KLM
Mon 7/917:20
SOU
-
IAD
1 stop27h 15m
KLM
Deal found 7/5£808
Mon 17/808:28
IAD
-
SOU
2 stops19h 17m
Virgin Atlantic
Tue 1/909:05
SOU
-
IAD
2 stops18h 54m
Virgin Atlantic
Deal found 7/5£818
Thu 8/1012:00
DCA
-
SOU
2 stops15h 35m
Delta
Mon 12/1017:20
SOU
-
DCA
2 stops29h 10m
Delta
Deal found 10/5£856
Mon 24/812:29
IAD
-
SOU
2 stops15h 16m
Delta
Mon 7/909:05
SOU
-
IAD
2 stops17h 13m
Delta
Deal found 9/5£856
Fri 5/609:55
IAD
-
SOU
3 stops28h 35m
Multiple Airlines
Sat 13/609:20
SOU
-
IAD
2 stops17h 06m
Multiple Airlines
Deal found 8/5£860
Wed 1/712:29
IAD
-
SOU
2 stops15h 06m
KLM
Tue 25/809:15
SOU
-
IAD
1 stop11h 20m
KLM
Deal found 7/5£873
Wed 1/712:00
DCA
-
SOU
2 stops15h 35m
Delta
Tue 25/809:15
SOU
-
DCA
2 stops17h 48m
Delta
Deal found 7/5£880
Tue 19/509:39
DCA
-
SOU
2 stops17h 56m
Delta
Wed 27/509:05
SOU
-
DCA
2 stops17h 58m
Delta
Deal found 7/5£920

Find 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 10 May 2026.

Round-trip from

£701

One-way from

£299

Popular in

June

Cheapest in

January

Average price

£645
Aer Lingus
  • Aer Lingus
  • 17/8-1/9
  • 4 total stops
  • 29h 57m total
  • District of Columbia to Southampton
Search Deals
5/9
  • 5/9
  • 3 total stops
  • 34h 20m total
  • District of Columbia to Southampton
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£87 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 10 May 2026.
Use the filters below to find and compare flights from District of Columbia to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Fri 5/6

20:40-19:30

2 stops17h 50m

Southampton Eastleigh

Sat 13/6

09:20-21:55

3 stops17h 35m

£794

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 24/8

18:10-17:35

1 stop18h 25m

Southampton Eastleigh

Mon 7/9

17:20-15:35

1 stop27h 15m

£808

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Thu 8/10

12:00-08:35

2 stops15h 35m

Southampton Eastleigh

Mon 12/10

17:20-17:30

2 stops29h 10m

£856

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sat 29/8

17:40-17:00

1 stop18h 20m

Southampton Eastleigh

Mon 7/9

17:20-15:35

1 stop27h 15m

£876

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Wed 1/7

12:00-08:35

2 stops15h 35m

Southampton Eastleigh

Tue 25/8

09:15-22:03

2 stops17h 48m

£880
Fastest return journey

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Fri 9/10

17:40-08:45

1 stop10h 05m

Southampton Eastleigh

Mon 12/10

09:05-21:12

2 stops17h 07m

£890

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 20/5

18:10-08:35

1 stop9h 25m

Southampton Eastleigh

Wed 12/8

09:15-00:33

2 stops20h 18m

£917

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Sat 29/8

18:25-17:00

2 stops17h 35m

Southampton Eastleigh

Mon 7/9

09:05-23:24

2 stops19h 19m

£923

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Mon 17/8

06:00-16:50

3 stops29h 50m

Southampton Eastleigh

Tue 1/9

09:15-22:31

2 stops18h 16m

£933

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 20/5

18:10-08:35

1 stop9h 25m

Southampton Eastleigh

Tue 26/5

17:20-15:35

1 stop27h 15m

£954

Flights are sorted by cheapest return flights first.

Deals found on 6/5

Showing 1-10 of 30 resultsSorted by cheapest first
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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
No data available for this route at this time. Please check back soon.

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?

    KLM and Delta can get you from District of Columbia to Southampton in just under 15h 35m. Your travel time can differ by up to 2h 50m. 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.

See more FAQs

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Alternative routes for District of Columbia to Southampton

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from District of Columbia to Southampton?

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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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