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Cheap flights from District of Columbia to Southampton from £458

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 28/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SOU
21 Dec — 28 Dec1
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 21 November 2025.

Round-trip from

£587

One-way from

£458

Popular in

December

Cheapest in

September

Average price

£594
Delta
  • Delta
  • 4/3-8/3
  • 2 total stops
  • 29h 55m total
  • District of Columbia to Southampton
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Aer Lingus
  • Aer Lingus
  • 28/11
  • 1 total stop
  • 30h 45m total
  • District of Columbia to Southampton
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£32 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 21 November 2025.

Fri 5/1212:19IAD - SOU
2 stops15h 31mDelta
Tue 9/1208:40SOU - IAD
1 stop12h 25mDelta
Deal found 18/11£585
Fri 5/1212:37DCA - SOU
2 stops15h 13mDelta
Mon 8/1208:40SOU - DCA
2 stops17h 00mDelta
Deal found 18/11£592
Mon 15/1211:30DCA - SOU
2 stops15h 40mDelta
Wed 24/1208:40SOU - DCA
2 stops18h 21mDelta
Deal found 19/11£631
Sun 14/1206:02DCA - SOU
2 stops21h 08mDelta
Wed 24/1208:40SOU - DCA
2 stops19h 10mDelta
Deal found 19/11£669
Mon 15/1218:05IAD - SOU
1 stop17h 55mDelta
Wed 24/1217:30SOU - IAD
1 stop27h 35mDelta
Deal found 19/11£699
Sun 14/1218:05IAD - SOU
1 stop18h 20mDelta
Wed 24/1217:30SOU - IAD
1 stop27h 35mDelta
Deal found 19/11£754
Thu 4/1221:00IAD - SOU
1 stop17h 40mAer Lingus
Fri 12/1220:10SOU - IAD
1 stop24h 25mAer Lingus
Deal found 20/11£760
Tue 25/1121:00IAD - SOU
1 stop9h 55mAer Lingus
Mon 1/1220:10SOU - IAD
1 stop24h 25mAer Lingus
Deal found 19/11£783
Sat 6/1218:05IAD - SOU
1 stop9h 45mDelta
Tue 9/1208:40SOU - IAD
1 stop12h 25mDelta
Deal found 18/11£836
Sun 23/1111:50IAD - SOU
2 stops15h 20mDelta
Fri 28/1108:40SOU - IAD
1 stop12h 25mDelta
Deal found 18/11£839
Sat 22/1112:11IAD - SOU
2 stops15h 39mDelta
Fri 28/1108:40SOU - IAD
1 stop12h 25mDelta
Deal found 18/11£846
Sun 23/1112:39DCA - SOU
2 stops14h 31mDelta
Fri 28/1108:40SOU - DCA
2 stops18h 28mDelta
Deal found 18/11£847

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 21 November 2025.
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

Fri 5/12

12:19-08:50

2 stops15h 31m

Southampton Eastleigh

Tue 9/12

08:40-16:05

1 stop12h 25m

£585

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 4/3

18:05-17:25

1 stop18h 20m

Southampton Eastleigh

Sun 8/3

17:45-17:05

1 stop27h 20m

£587

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 4/3

18:05-17:25

1 stop18h 20m

Southampton Eastleigh

Sun 8/3

09:30-17:05

1 stop11h 35m

£587

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Fri 5/12

12:37-08:50

2 stops15h 13m

Southampton Eastleigh

Mon 8/12

08:40-20:40

2 stops17h 00m

£592

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 6/5

17:40-16:50

1 stop18h 10m

Southampton Eastleigh

Mon 18/5

17:20-15:35

1 stop27h 15m

£598

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Wed 4/3

12:59-08:20

2 stops14h 21m

Southampton Eastleigh

Sun 8/3

09:30-23:08

2 stops17h 38m

£598

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 6/5

17:50-08:45

1 stop9h 55m

Southampton Eastleigh

Mon 18/5

09:20-22:59

2 stops18h 39m

£605

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Mon 15/12

11:30-08:10

2 stops15h 40m

Southampton Eastleigh

Wed 24/12

08:40-22:01

2 stops18h 21m

£631

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Sun 14/12

06:02-08:10

2 stops21h 08m

Southampton Eastleigh

Wed 24/12

08:40-22:50

2 stops19h 10m

£669

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Sun 4/1

07:00-08:50

2 stops20h 50m

Southampton Eastleigh

Sun 11/1

17:45-16:29

2 stops27h 44m

£816

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 16 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 £24). Flying from District of Columbia to Southampton in June is currently the most expensive (average of £569). 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?

    Delta and Virgin Atlantic can get you from District of Columbia to Southampton in just under 15h 31m. Your travel time can differ by up to 2h 49m. 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.

  • 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 £24). Flying from District of Columbia to Southampton in June is currently the most expensive (average of £569). 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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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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