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Cheap flights from District of Columbia to Southampton from £593

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SOU
14 Dec — 21 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 14 November 2025.

Round-trip from

£593

Popular in

June

Cheapest in

September

Average price

£590
Delta
  • Delta
  • 6/4-23/4
  • 2 total stops
  • 21h 15m total
  • District of Columbia to Southampton
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£51 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 14 November 2025.

Fri 28/1117:05IAD - SOU
1 stop10h 40mAer Lingus
Mon 1/1220:10SOU - IAD
1 stop24h 25mAer Lingus
Deal found 13/11£778
Wed 17/1217:05IAD - SOU
1 stop17h 30mAer Lingus
Wed 24/1212:25SOU - IAD
2 stops32h 10mAer Lingus
Deal found 11/11£844
Thu 18/1221:00IAD - SOU
1 stop13h 35mAer Lingus
Fri 26/1220:10SOU - IAD
1 stop28h 20mAer Lingus
Deal found 12/11£931
Thu 25/1218:05IAD - SOU
1 stop17h 55mDelta
Sun 4/118:05SOU - IAD
2 stops46h 38mDelta
Deal found 13/11£973
Sat 27/1218:05IAD - SOU
1 stop9h 45mDelta
Sun 4/118:05SOU - IAD
2 stops46h 38mDelta
Deal found 13/11£981
Fri 26/1218:05IAD - SOU
1 stop9h 45mDelta
Sun 4/118:05SOU - IAD
2 stops46h 38mDelta
Deal found 13/11£1,007
Wed 17/1206:07DCA - SOU
2 stops21h 13mDelta
Wed 24/1208:40SOU - DCA
2 stops19h 10mDelta
Deal found 11/11£1,040
Mon 22/1221:00IAD - SOU
1 stop9h 55mAer Lingus
Sun 28/1220:10SOU - IAD
1 stop24h 25mAer Lingus
Deal found 12/11£1,102
Tue 23/1218:05IAD - SOU
1 stop17h 55mDelta
Sun 4/118:05SOU - IAD
2 stops46h 38mDelta
Deal found 13/11£1,118
Sun 28/1218:05IAD - SOU
1 stop18h 20mKLM
Sun 4/118:05SOU - IAD
1 stop27h 00mKLM
Deal found 12/11£1,120
Tue 23/1210:13DCA - SOU
2 stops16h 57mDelta
Thu 1/108:50SOU - DCA
2 stops17h 40mDelta
Deal found 12/11£1,252
Sun 28/1217:00DCA - SOU
2 stops19h 25mKLM
Sun 4/118:05SOU - DCA
2 stops27h 24mKLM
Deal found 12/11£1,306

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 14 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

Tue 7/4

17:50-08:50

1 stop10h 00m

Southampton Eastleigh

Thu 23/4

17:35-15:35

1 stop27h 00m

£593

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 29/4

17:50-17:00

1 stop18h 10m

Southampton Eastleigh

Sun 3/5

09:20-15:35

1 stop11h 15m

£593

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 6/4

17:50-08:50

1 stop10h 00m

Southampton Eastleigh

Sun 19/4

17:35-15:35

1 stop27h 00m

£593

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 6/4

17:50-08:50

1 stop10h 00m

Southampton Eastleigh

Thu 23/4

09:20-15:35

1 stop11h 15m

£593

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 8/4

17:50-08:45

1 stop9h 55m

Southampton Eastleigh

Fri 17/4

09:20-15:35

1 stop11h 15m

£593

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sun 12/4

14:15-17:00

2 stops21h 45m

Southampton Eastleigh

Tue 21/4

09:20-15:35

1 stop11h 15m

£597

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 6/4

07:00-17:00

2 stops29h 00m

Southampton Eastleigh

Mon 20/4

17:35-15:35

1 stop27h 00m

£597

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 6/4

14:15-17:00

2 stops21h 45m

Southampton Eastleigh

Wed 22/4

09:20-15:35

1 stop11h 15m

£597

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 7/4

13:00-17:00

2 stops23h 00m

Southampton Eastleigh

Wed 22/4

17:35-15:35

1 stop27h 00m

£597

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sat 11/4

19:59-17:00

2 stops16h 01m

Southampton Eastleigh

Wed 22/4

17:35-15:35

1 stop27h 00m

£597

Flights are sorted by cheapest return flights first.

Deals found on 13/11

Showing 1-10 of 22 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 £565). 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 10h. Your travel time can differ by up to 8h 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 £565). 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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