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Cheap flights from District of Columbia to Southampton from £454

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 25/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SOU
30 Nov — 7 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 31 October 2025.

Round-trip from

£578

One-way from

£454

Popular in

June

Cheapest in

September

Average price

£512
KLM
  • KLM
  • 15/11-26/11
  • 2 total stops
  • 22h 10m total
  • District of Columbia to Southampton
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Aer Lingus
  • Aer Lingus
  • 25/11
  • 1 total stop
  • 30h 45m total
  • District of Columbia to Southampton
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£53 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 October 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 31 October 2025.

Thu 30/1019:05IAD - SOU
1 stop17h 55mKLM
Thu 6/1118:05SOU - IAD
1 stop27h 00mKLM
Deal found 29/10£578
Mon 1/1212:11IAD - SOU
2 stops14h 59mDelta
Tue 16/1217:30SOU - IAD
1 stop27h 35mDelta
Deal found 29/10£578
Sat 15/1112:11IAD - SOU
2 stops15h 39mKLM
Wed 26/1108:40SOU - IAD
1 stop12h 25mKLM
Deal found 30/10£581
Thu 30/1010:11IAD - SOU
2 stops17h 54mDelta
Thu 6/1108:50SOU - IAD
1 stop12h 15mDelta
Deal found 29/10£581
Thu 30/1013:45DCA - SOU
2 stops14h 20mKLM
Thu 6/1108:50SOU - DCA
2 stops15h 09mKLM
Deal found 29/10£589
Mon 1/1212:36DCA - SOU
2 stops14h 34mVirgin Atlantic
Tue 16/1208:40SOU - DCA
2 stops17h 00mVirgin Atlantic
Deal found 29/10£600
Mon 1/1219:40IAD - SOU
3 stops31h 45mMultiple Airlines
Tue 16/1209:20SOU - IAD
2 stops14h 10mMultiple Airlines
Deal found 29/10£645
Sun 16/1119:40IAD - SOU
2 stops16h 45mMultiple Airlines
Thu 20/1116:05SOU - IAD
3 stops31h 25mMultiple Airlines
Deal found 31/10£693
Thu 13/1121:00IAD - SOU
1 stop30h 45mAer Lingus
Mon 17/1109:30SOU - IAD
1 stop15h 00mAer Lingus
Deal found 29/10£756
Sat 27/1217:05IAD - SOU
1 stop10h 40mAer Lingus
Wed 7/112:25SOU - IAD
1 stop32h 10mAer Lingus
Deal found 30/10£801
Sun 16/1118:05IAD - SOU
1 stop18h 20mVirgin Atlantic
Thu 20/1118:05SOU - IAD
1 stop27h 00mVirgin Atlantic
Deal found 31/10£810
Sun 14/1211:13DCA - SOU
2 stops15h 57mKLM
Sun 21/1209:30SOU - DCA
2 stops17h 00mKLM
Deal found 30/10£881

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 31 October 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

Sat 15/11

18:05-08:50

1 stop9h 45m

Southampton Eastleigh

Wed 26/11

08:40-16:05

1 stop12h 25m

£578

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 29/4

17:50-08:45

1 stop9h 55m

Southampton Eastleigh

Sun 3/5

17:35-15:35

1 stop27h 00m

£596

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 29/4

17:50-08:45

1 stop9h 55m

Southampton Eastleigh

Sun 3/5

09:20-15:35

1 stop11h 15m

£596

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sun 12/4

17:50-17:00

1 stop18h 10m

Southampton Eastleigh

Sun 19/4

09:20-15:35

1 stop11h 15m

£596

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Wed 22/4

12:00-08:45

2 stops15h 45m

Southampton Eastleigh

Sun 26/4

17:35-16:29

2 stops27h 54m

£607

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Mon 13/4

13:30-08:50

2 stops14h 20m

Southampton Eastleigh

Sun 19/4

09:20-22:12

2 stops17h 52m

£607

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Sun 12/4

12:00-08:50

2 stops15h 50m

Southampton Eastleigh

Sun 19/4

09:20-23:12

2 stops18h 52m

£607

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Mon 5/1

11:00-08:50

2 stops16h 50m

Southampton Eastleigh

Sun 26/4

17:35-18:11

2 stops29h 36m

£694

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Tue 6/1

12:55-08:50

2 stops14h 55m

Southampton Eastleigh

Sat 25/4

09:20-23:28

2 stops19h 08m

£694

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Tue 6/1

11:10-08:50

2 stops16h 40m

Southampton Eastleigh

Sun 26/4

17:35-18:11

2 stops29h 36m

£694

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 20 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 £568). 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?

    KLM, Delta, and Virgin Atlantic can get you from District of Columbia to Southampton in just under 9h 45m. Your travel time can differ by up to 10m. 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 £568). 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?

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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!

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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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