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District of Columbia

$714+ Cheap flights from Southampton (SOU) to District of Columbia

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — IAD
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Cheap flight deals from Southampton to District of Columbia

Keep the following information in mind while searching for Southampton to District of Columbia flight deals. Data was last updated November 2, 2025.

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$714
(Virgin Atlantic)

Popular in

July

Cheapest in

February

Average price

$672
Provider with most accurate pricing for London (LON)-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Washington, D.C. (WAS) flights.
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From Southampton Eastleigh to District of Columbia
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Highest demand for flights based on searches. 11% potential increase in price ($94 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Southampton to District of Columbia

Cheapest flights from Southampton to District of Columbia
Explore the most affordable flight options available from Southampton to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

This KLM deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:40 amSOU - IAD
1 stop12h 25mKLM
Wed 12/249:25 pmIAD - SOU
2 stops29h 40mKLM
Deal found 11/2$716
This Expedia deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/175:30 pmSOU - DCA
2 stops33h 11mMultiple Airlines
Wed 12/245:00 pmDCA - SOU
2 stops34h 05mMultiple Airlines
Deal found 11/2$938
This Mytrip deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:40 amSOU - IAD
2 stops15h 50mMultiple Airlines
Wed 12/2410:30 pmIAD - SOU
3 stops28h 35mMultiple Airlines
Deal found 11/2$1,316

Cheapflights Fare Finder

 
Customize your flight search to find flights from Southampton to District of Columbia 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 2,558,603 searches. Data last updated November 2, 2025.
Use the filters below to find and compare flights from Southampton to District of Columbia that are best for you.

Fly from

Southampton

Fly to

District of Columbia

Route

Depart

Return

Price

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 4/1

9:20 am-3:35 pm

1 stop11h 15m

Washington, D.C. Dulles Intl

Sun 4/5

5:50 pm-8:50 am

1 stop10h 00m

$714

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 12/17

8:40 am-4:05 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

Wed 12/24

9:25 pm-8:05 am

2 stops29h 40m

$716

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Wed 4/1

9:20 am-11:08 pm

2 stops18h 48m

Washington, D.C. Reagan-National

Sun 4/5

10:00 am-8:50 am

2 stops17h 50m

$720

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Wed 12/17

5:30 pm-9:41 pm

2 stops33h 11m

Washington, D.C. Reagan-National

Wed 12/24

5:00 pm-8:05 am

2 stops34h 05m

$938

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 12/17

8:40 am-7:30 pm

2 stops15h 50m

Washington, D.C. Dulles Intl

Wed 12/24

10:30 pm-8:05 am

3 stops28h 35m

$1,316

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Mon 2/23

8:30 pm-3:35 pm

2 stops24h 05m

Washington, D.C. Dulles Intl

Tue 3/17

6:05 pm-11:55 am

1 stop13h 50m

$2,110

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 12/17

12:25 pm-7:30 pm

1 stop12h 05m

$937

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Mon 12/22

8:50 pm-3:35 pm

2 stops23h 45m

$1,243

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Sun 11/30

9:30 am-7:30 pm

1 stop15h 00m

$1,418

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Best time to book a flight from Southampton to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Southampton with our price prediction graph.
Estimated round-trip 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 Southampton to District of Columbia

What is the cheapest month to book a flight from Southampton to District of Columbia?

Currently, February is the cheapest month in which you can book a flight from Southampton to District of Columbia (average of $305). Flying from Southampton to District of Columbia in July is currently the most expensive (average of $641). 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 Southampton to District of Columbia. 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 from for flights from Southampton to District of Columbia?

    Southampton Eastleigh (SOU) is the airport you will fly out of if you book a flight from Southampton to District of Columbia. It is only a 3.5 mi journey to Eastleigh (SOU) from Southampton’s city center.

  • How long is the flight from Southampton to District of Columbia?

    Airlines like Virgin Atlantic, KLM, and Delta fly from Southampton to District of Columbia in about 11h 15m. The time it takes to get you to your destination can typically vary by up to 7h 33m. Southampton and District of Columbia are separated by a distance of 3639 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Southampton to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Southampton to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Southampton to District of Columbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to District of Columbia.

  • Can I find deals for business class flights from Southampton to District of Columbia?

    Yes. Cheapflights offers flight deals from Southampton to District of Columbia 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 Southampton to District of Columbia?

    Currently, February is the cheapest month in which you can book a flight from Southampton to District of Columbia (average of $305). Flying from Southampton to District of Columbia in July is currently the most expensive (average of $641). 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.

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