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Cheap flights from District of Columbia to Southampton from £315

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 18/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SOU
18 Jul — 25 Jul1
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 18 June 2026.

Sat 17/1020:30
IAD
-
SOU
2 stops34h 55m
Multiple Airlines
Sat 24/1009:20
SOU
-
IAD
1 stop11h 25m
Multiple Airlines
Deal found 14/6£769
Tue 15/917:40
IAD
-
SOU
1 stop10h 05m
Delta
Mon 21/917:20
SOU
-
IAD
1 stop27h 15m
Delta
Deal found 17/6£825
Wed 16/911:00
IAD
-
SOU
2 stops16h 35m
Delta
Tue 22/909:05
SOU
-
IAD
1 stop11h 30m
Delta
Deal found 17/6£828
Tue 15/917:40
IAD
-
SOU
1 stop10h 05m
Delta
Tue 22/917:20
SOU
-
IAD
2 stops28h 01m
Delta
Deal found 17/6£832
Mon 24/818:10
IAD
-
SOU
1 stop18h 25m
KLM
Mon 7/917:20
SOU
-
IAD
1 stop27h 15m
KLM
Deal found 15/6£834
Sun 13/917:40
IAD
-
SOU
1 stop9h 55m
Delta
Mon 21/917:20
SOU
-
IAD
1 stop27h 15m
Delta
Deal found 17/6£834
Mon 14/918:10
IAD
-
SOU
1 stop9h 25m
Delta
Wed 23/909:15
SOU
-
IAD
2 stops16h 00m
Delta
Deal found 17/6£842
Sun 6/911:10
IAD
-
SOU
2 stops16h 25m
KLM
Tue 15/909:05
SOU
-
IAD
2 stops19h 18m
KLM
Deal found 14/6£844
Mon 24/812:55
DCA
-
SOU
2 stops14h 50m
KLM
Mon 14/909:05
SOU
-
DCA
2 stops16h 30m
KLM
Deal found 18/6£882
Thu 23/709:39
DCA
-
SOU
2 stops26h 56m
Delta
Mon 27/718:05
SOU
-
DCA
2 stops27h 54m
Delta
Deal found 13/6£934
Sat 29/819:45
DCA
-
SOU
2 stops16h 15m
Delta
Mon 7/909:05
SOU
-
DCA
2 stops18h 00m
Delta
Deal found 15/6£952
Thu 30/712:40
DCA
-
SOU
3 stops26h 00m
Multiple Airlines
Thu 6/809:20
SOU
-
DCA
2 stops15h 37m
Multiple Airlines
Deal found 15/6£986

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 18 June 2026.

Round-trip from

£769

One-way from

£315

Popular in

June

Cheapest in

February

Average price

£905
Aer Lingus
  • Aer Lingus
  • 17/10-24/10
  • 3 total stops
  • 46h 20m total
  • District of Columbia to Southampton
Search Deals
18/7
  • 18/7
  • 3 total stops
  • 48h 39m total
  • District of Columbia to Southampton
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£109 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 18 June 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

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

£834
Fastest return journey

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 14/9

18:10-08:35

1 stop9h 25m

Southampton Eastleigh

Thu 24/9

09:05-15:35

1 stop11h 30m

£834

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sun 6/9

11:10-08:35

2 stops16h 25m

Southampton Eastleigh

Tue 15/9

09:05-23:23

2 stops19h 18m

£844

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 24/8

10:16-08:45

2 stops17h 29m

Southampton Eastleigh

Mon 14/9

09:05-15:35

1 stop11h 30m

£875

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Mon 24/8

12:55-08:45

2 stops14h 50m

Southampton Eastleigh

Mon 14/9

09:05-20:35

2 stops16h 30m

£882

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Thu 30/7

10:05-08:45

2 stops17h 40m

Southampton Eastleigh

Thu 6/8

09:15-21:45

2 stops17h 30m

£934

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Fri 24/7

18:30-17:00

2 stops17h 30m

Southampton Eastleigh

Mon 27/7

18:05-16:59

2 stops27h 54m

£934

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Sat 29/8

19:45-17:00

2 stops16h 15m

Southampton Eastleigh

Mon 7/9

09:05-22:05

2 stops18h 00m

£952

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Thu 30/7

12:40-19:40

3 stops26h 00m

Southampton Eastleigh

Thu 6/8

09:20-19:57

2 stops15h 37m

£986

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Sat 1/8

18:30-17:00

2 stops17h 30m

Southampton Eastleigh

Sat 8/8

09:15-22:59

2 stops18h 44m

£987

Flights are sorted by cheapest return flights first.

Deals found on 13/6

Showing 1-10 of 22 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 9h 25m. Your travel time can differ by up to 9h. 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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