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Cheap flights from District of Columbia to Southampton from £256

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SOU
11 Jan — 18 Jan1
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 12 December 2025.

Thu 11/1218:05IAD - SOU
1 stop17h 55mKLM
Sat 13/1209:25SOU - IAD
2 stops14h 54mKLM
Deal found 10/12£760
Thu 11/1216:30DCA - SOU
2 stops19h 55mKLM
Sat 13/1209:25SOU - DCA
2 stops18h 34mKLM
Deal found 10/12£799
Thu 25/1217:00DCA - SOU
2 stops19h 00mDelta
Mon 29/1218:05SOU - DCA
2 stops32h 25mDelta
Deal found 11/12£954
Thu 25/1217:00DCA - SOU
2 stops19h 00mDelta
Wed 31/1208:40SOU - DCA
2 stops29h 32mDelta
Deal found 11/12£960
Wed 24/1208:50DCA - SOU
2 stops42h 15mDelta
Mon 29/1218:05SOU - DCA
2 stops32h 25mDelta
Deal found 11/12£984
Wed 24/1208:50DCA - SOU
2 stops42h 15mDelta
Wed 31/1208:40SOU - DCA
2 stops29h 31mDelta
Deal found 11/12£990
Thu 25/1218:05IAD - SOU
1 stop17h 55mDelta
Mon 29/1218:05SOU - IAD
1 stop27h 00mDelta
Deal found 11/12£1,122
Thu 11/1217:30IAD - SOU
2 stops20h 50mMultiple Airlines
Sat 13/1215:25SOU - IAD
3 stops34h 35mMultiple Airlines
Deal found 10/12£1,125
Tue 23/1218:05IAD - SOU
1 stop17h 55mDelta
Mon 29/1218:05SOU - IAD
1 stop27h 00mDelta
Deal found 11/12£1,131
Fri 26/1218:05IAD - SOU
1 stop9h 45mDelta
Tue 30/1208:40SOU - IAD
1 stop12h 25mDelta
Deal found 11/12£1,169
Tue 23/1218:05IAD - SOU
1 stop17h 55mDelta
Tue 30/1208:40SOU - IAD
1 stop12h 25mDelta
Deal found 11/12£1,177
Thu 25/1217:00DCA - SOU
2 stops19h 00mDelta
Tue 30/1208:40SOU - DCA
2 stops16h 52mDelta
Deal found 11/12£1,178

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 12 December 2025.

Round-trip from

£571

One-way from

£256

Popular in

December

Cheapest in

September

Average price

£730
Virgin Atlantic
  • Virgin Atlantic
  • 24/1-31/1
  • 4 total stops
  • 48h 43m total
  • District of Columbia to Southampton
Search Deals
15/1
  • 15/1
  • 3 total stops
  • 51h 50m total
  • District of Columbia to Southampton
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£29 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 12 December 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

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Sat 24/1

06:00-17:15

2 stops30h 15m

Southampton Eastleigh

Sat 31/1

09:25-22:53

2 stops18h 28m

£571

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sat 24/1

18:05-17:15

1 stop18h 10m

Southampton Eastleigh

Sat 31/1

09:25-16:05

1 stop11h 40m

£573

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sun 25/1

18:05-17:05

1 stop18h 00m

Southampton Eastleigh

Sun 1/2

17:45-16:05

1 stop27h 20m

£573

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Sat 24/1

18:15-17:15

2 stops18h 00m

Southampton Eastleigh

Sat 31/1

09:25-20:32

2 stops16h 07m

£577

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sat 24/1

12:29-17:15

2 stops23h 46m

Southampton Eastleigh

Sat 31/1

09:25-19:09

2 stops14h 44m

£580

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Thu 16/4

17:40-08:35

1 stop9h 55m

Southampton Eastleigh

Mon 20/4

17:20-15:35

1 stop27h 15m

£583

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Sun 25/1

13:40-08:50

2 stops14h 10m

Southampton Eastleigh

Sun 1/2

17:45-16:29

2 stops27h 44m

£583

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Thu 16/4

17:40-08:35

1 stop9h 55m

Southampton Eastleigh

Tue 21/4

09:05-15:35

1 stop11h 30m

£583

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sun 25/1

19:40-11:55

3 stops35h 15m

Southampton Eastleigh

Sun 1/2

20:10-18:30

3 stops27h 20m

£782

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Mon 13/4

13:30-08:35

2 stops14h 05m

Southampton Eastleigh

Sat 18/4

09:15-20:19

2 stops16h 04m

£830

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 23 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 £23). Flying from District of Columbia to Southampton in June is currently the most expensive (average of £541). 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?

    Virgin Atlantic, Delta, and KLM can get you from District of Columbia to Southampton in just under 18h. Your travel time can differ by up to 12h 15m. 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 £23). Flying from District of Columbia to Southampton in June is currently the most expensive (average of £541). 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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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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