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Cheap flights from District of Columbia to Southampton from £375

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
30 May — 6 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 30 April 2026.

Tue 18/821:05
IAD
-
SOU
1 stop14h 45m
Multiple Airlines
Fri 28/820:10
SOU
-
IAD
2 stops24h 00m
Multiple Airlines
Deal found 28/4£698
Thu 11/606:00
DCA
-
SOU
3 stops32h 30m
Multiple Airlines
Thu 18/609:20
SOU
-
DCA
3 stops31h 40m
Multiple Airlines
Deal found 27/4£777
Tue 1/917:40
IAD
-
SOU
1 stop9h 55m
Delta
Thu 10/909:05
SOU
-
IAD
1 stop11h 30m
Delta
Deal found 26/4£816
Mon 24/818:10
IAD
-
SOU
1 stop18h 25m
KLM
Mon 7/917:20
SOU
-
IAD
1 stop27h 15m
KLM
Deal found 29/4£817
Sun 6/917:40
IAD
-
SOU
1 stop9h 55m
Delta
Mon 14/917:20
SOU
-
IAD
2 stops28h 05m
Delta
Deal found 26/4£823
Wed 12/818:10
IAD
-
SOU
1 stop9h 35m
Delta
Fri 21/809:15
SOU
-
IAD
2 stops15h 01m
Delta
Deal found 29/4£824
Tue 18/812:59
DCA
-
SOU
2 stops14h 46m
KLM
Fri 28/809:15
SOU
-
DCA
2 stops16h 04m
KLM
Deal found 28/4£833
Sun 2/813:42
DCA
-
SOU
2 stops14h 03m
Delta
Tue 11/818:05
SOU
-
DCA
2 stops28h 18m
Delta
Deal found 29/4£850
Sun 2/813:42
DCA
-
SOU
2 stops14h 03m
Delta
Wed 12/809:15
SOU
-
DCA
2 stops17h 35m
Delta
Deal found 28/4£864
Sun 20/912:00
DCA
-
SOU
2 stops15h 35m
Delta
Sun 27/909:15
SOU
-
DCA
2 stops18h 57m
Delta
Deal found 30/4£865
Sat 13/618:55
DCA
-
SOU
2 stops20h 20m
Multiple Airlines
Sat 20/607:50
SOU
-
DCA
3 stops33h 10m
Multiple Airlines
Deal found 29/4£878
Sun 14/606:00
DCA
-
SOU
3 stops32h 30m
Multiple Airlines
Sun 21/608:25
SOU
-
DCA
3 stops42h 23m
Multiple Airlines
Deal found 30/4£880

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 30 April 2026.

Round-trip from

£698

One-way from

£375

Popular in

June

Cheapest in

January

Average price

£526
18/8-28/8
  • 18/8-28/8
  • 3 total stops
  • 38h 45m total
  • District of Columbia to Southampton
Search Deals
KLM
  • KLM
  • 5/9
  • 1 total stop
  • 10h 05m total
  • District of Columbia to Southampton
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£73 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 30 April 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

Thu 11/6

06:00-19:30

3 stops32h 30m

Southampton Eastleigh

Thu 18/6

09:20-12:00

3 stops31h 40m

£777

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sun 27/9

17:40-08:35

1 stop9h 55m

Southampton Eastleigh

Mon 5/10

17:20-15:35

1 stop27h 15m

£816
Fastest return journey

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 9/9

18:10-08:35

1 stop9h 25m

Southampton Eastleigh

Thu 17/9

09:05-15:35

1 stop11h 30m

£816

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 24/8

18:10-08:45

1 stop9h 35m

Southampton Eastleigh

Mon 7/9

17:20-15:35

1 stop27h 15m

£817

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Tue 18/8

12:59-08:45

2 stops14h 46m

Southampton Eastleigh

Fri 28/8

09:15-20:19

2 stops16h 04m

£833

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Wed 5/8

12:55-08:45

2 stops14h 50m

Southampton Eastleigh

Tue 11/8

18:05-17:23

2 stops28h 18m

£850

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Sun 2/8

13:42-08:45

2 stops14h 03m

Southampton Eastleigh

Tue 11/8

18:05-17:23

2 stops28h 18m

£850

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 12/8

18:10-08:45

1 stop9h 35m

Southampton Eastleigh

Fri 21/8

18:05-15:35

1 stop26h 30m

£853

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Tue 4/8

12:55-08:45

2 stops14h 50m

Southampton Eastleigh

Tue 11/8

18:05-16:29

2 stops27h 24m

£864

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Sun 2/8

13:42-08:45

2 stops14h 03m

Southampton Eastleigh

Wed 12/8

09:15-21:50

2 stops17h 35m

£864

Flights are sorted by cheapest return flights first.

Deals found on 30/4

Showing 1-10 of 32 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?

    Delta and KLM can get you from District of Columbia to Southampton in just under 9h 35m. Your travel time can differ by up to 20m. There are 3639 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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Fly with Cheapflights

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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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