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Cheap flights from District of Columbia to Southampton from £230

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SOU
18 Aug — 25 Aug1
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 19 July 2026.

Mon 17/820:55
IAD
-
SOU
1 stop14h 55m
Aer Lingus
Mon 31/809:20
SOU
-
IAD
1 stop11h 25m
Aer Lingus
Deal found 14/7£668
Mon 7/920:30
IAD
-
SOU
2 stops32h 45m
Multiple Airlines
Tue 22/909:15
SOU
-
IAD
1 stop11h 30m
Multiple Airlines
Deal found 18/7£676
Thu 1/1011:25
IAD
-
SOU
2 stops24h 25m
Multiple Airlines
Mon 5/1009:20
SOU
-
IAD
1 stop11h 25m
Multiple Airlines
Deal found 17/7£699
Mon 7/917:15
IAD
-
SOU
1 stop21h 15m
Aer Lingus
Tue 22/909:15
SOU
-
IAD
1 stop11h 30m
Aer Lingus
Deal found 18/7£718
Mon 17/809:55
IAD
-
SOU
2 stops28h 35m
Multiple Airlines
Mon 31/819:20
SOU
-
IAD
2 stops24h 50m
Multiple Airlines
Deal found 14/7£731
Wed 2/923:20
IAD
-
SOU
2 stops37h 25m
Multiple Airlines
Wed 9/909:20
SOU
-
IAD
1 stop11h 25m
Multiple Airlines
Deal found 19/7£737
Mon 7/906:00
DCA
-
SOU
3 stops32h 30m
Multiple Airlines
Tue 22/909:15
SOU
-
DCA
2 stops18h 19m
Multiple Airlines
Deal found 18/7£782
Sat 15/817:15
IAD
-
SOU
1 stop10h 20m
Aer Lingus
Fri 21/809:20
SOU
-
IAD
1 stop11h 25m
Aer Lingus
Deal found 16/7£798
Tue 17/1112:59
DCA
-
SOU
2 stops14h 11m
Delta
Tue 24/1108:40
SOU
-
DCA
2 stops15h 19m
Delta
Deal found 15/7£829
Mon 7/912:55
DCA
-
SOU
2 stops14h 40m
KLM
Tue 22/909:05
SOU
-
DCA
2 stops16h 30m
KLM
Deal found 18/7£832
Wed 2/910:15
DCA
-
SOU
2 stops17h 20m
Delta
Wed 9/909:15
SOU
-
DCA
2 stops18h 47m
Delta
Deal found 19/7£840
Sun 23/814:25
DCA
-
SOU
2 stops13h 15m
Multiple Airlines
Tue 8/909:15
SOU
-
DCA
2 stops13h 41m
Multiple Airlines
Deal found 15/7£910

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 19 July 2026.

Round-trip from

£676

One-way from

£230

Popular in

June

Cheapest in

February

Average price

£722
Aer Lingus
  • Aer Lingus
  • 7/9-22/9
  • 3 total stops
  • 44h 15m total
  • District of Columbia to Southampton
Search Deals
31/8
  • 31/8
  • 3 total stops
  • 55h 05m total
  • District of Columbia to Southampton
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£125 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 19 July 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

Mon 16/11

11:00-08:10

2 stops16h 10m

Southampton Eastleigh

Tue 24/11

08:40-18:59

2 stops15h 19m

£829

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sun 6/9

17:40-16:50

1 stop18h 10m

Southampton Eastleigh

Tue 15/9

09:05-15:35

1 stop11h 30m

£829

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Wed 18/11

12:00-08:10

2 stops15h 10m

Southampton Eastleigh

Wed 25/11

08:40-22:02

2 stops18h 22m

£829

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Tue 24/11

12:05-08:10

2 stops15h 05m

Southampton Eastleigh

Thu 26/11

08:40-20:13

2 stops16h 33m

£829

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Mon 7/9

12:55-08:35

2 stops14h 40m

Southampton Eastleigh

Tue 22/9

09:05-20:35

2 stops16h 30m

£832

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Wed 2/9

06:59-19:30

3 stops31h 31m

Southampton Eastleigh

Wed 9/9

09:20-19:59

2 stops15h 39m

£840

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Wed 2/9

10:15-08:35

2 stops17h 20m

Southampton Eastleigh

Wed 9/9

09:15-23:02

2 stops18h 47m

£840

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 2/9

12:29-08:35

2 stops15h 06m

Southampton Eastleigh

Wed 9/9

09:15-20:14

2 stops15h 59m

£840

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 7/9

11:44-08:35

2 stops15h 51m

Southampton Eastleigh

Tue 22/9

09:05-23:23

2 stops19h 18m

£840
Fastest return journey

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 24/11

17:45-08:10

1 stop9h 25m

Southampton Eastleigh

Tue 1/12

08:40-15:45

1 stop12h 05m

£841

Flights are sorted by cheapest return flights first.

Deals found on 19/7

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 10h 05m. Your travel time can differ by up to 8h 05m. 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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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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