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$469+ Cheap flights from District of Columbia to Southampton (SOU)

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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SOU
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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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 January 8, 2026.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$747
(Virgin Atlantic)

One-way from

$469
(Delta)

Popular in

June

Cheapest in

September

Average price

$642
Provider with most accurate pricing for Washington, D.C. (WAS)-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-London (LON) flights.
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From District of Columbia to Southampton Eastleigh
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One-way flight from District of Columbia to Southampton Eastleigh
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Highest demand for flights based on searches. 11% potential increase in price ($95 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from District of Columbia to Southampton

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 January 8, 2026.

This Virgin Atlantic deal was found by Cheapflights users on 1/5. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/166:05 pmIAD - SOU
1 stop18h 00mVirgin Atlantic
Wed 2/258:50 amSOU - IAD
1 stop12h 15mVirgin Atlantic
Deal found 1/5$747
This KLM deal was found by Cheapflights users on 1/5. 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.
Mon 2/1612:35 pmIAD - SOU
2 stops15h 15mKLM
Wed 2/258:50 amSOU - IAD
1 stop12h 15mKLM
Deal found 1/5$752
This KLM deal was found by Cheapflights users on 1/6. 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.
Fri 2/2012:38 pmIAD - SOU
2 stops15h 12mKLM
Fri 2/278:50 amSOU - IAD
1 stop12h 15mKLM
Deal found 1/6$764
This Delta deal was found by Cheapflights users on 1/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/295:40 pmIAD - SOU
1 stop9h 55mDelta
Mon 4/65:20 pmSOU - IAD
2 stops28h 17mDelta
Deal found 1/6$772
This Delta deal was found by Cheapflights users on 1/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/176:05 pmIAD - SOU
1 stop18h 10mDelta
Sat 1/249:25 amSOU - IAD
1 stop11h 40mDelta
Deal found 1/5$773
This Delta deal was found by Cheapflights users on 1/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/1712:29 pmIAD - SOU
2 stops23h 46mDelta
Fri 1/235:35 pmSOU - IAD
1 stop27h 30mDelta
Deal found 1/5$778
This KLM deal was found by Cheapflights users on 1/7. 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.
Mon 8/246:10 pmIAD - SOU
1 stop9h 35mKLM
Mon 9/75:20 pmSOU - IAD
1 stop27h 15mKLM
Deal found 1/7$797
This Delta deal was found by Cheapflights users on 1/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:50 pmDCA - SOU
2 stops17h 10mDelta
Mon 9/79:05 amSOU - DCA
2 stops19h 21mDelta
Deal found 1/7$884
This KLM deal was found by Cheapflights users on 1/7. 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.
Fri 8/281:45 pmDCA - SOU
2 stops14h 00mKLM
Mon 9/149:05 amSOU - DCA
2 stops14h 06mKLM
Deal found 1/7$1,156

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated January 8, 2026.
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

Mon 2/16

12:35 pm-8:50 am

2 stops15h 15m

Southampton Eastleigh

Wed 2/25

8:50 am-4:05 pm

1 stop12h 15m

$752

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 3/30

6:10 pm-8:35 am

1 stop9h 25m

Southampton Eastleigh

Mon 4/6

5:20 pm-3:35 pm

1 stop27h 15m

$762

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sun 3/29

5:40 pm-8:35 am

1 stop9h 55m

Southampton Eastleigh

Mon 4/6

5:20 pm-3:35 pm

1 stop27h 15m

$762

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Fri 2/20

12:38 pm-8:50 am

2 stops15h 12m

Southampton Eastleigh

Fri 2/27

8:50 am-7:09 pm

2 stops15h 19m

$774

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 1/28

5:05 pm-8:45 am

1 stop10h 40m

Southampton Eastleigh

Wed 2/4

12:25 pm-3:35 pm

1 stop32h 10m

$880

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 2/11

5:05 pm-8:45 am

1 stop10h 40m

Southampton Eastleigh

Sun 2/15

8:10 pm-3:35 pm

1 stop24h 25m

$920

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 3/30

6:10 pm-8:35 am

1 stop9h 25m

Southampton Eastleigh

Sun 4/5

5:20 pm-3:35 pm

1 stop27h 15m

$1,018

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sun 3/29

5:40 pm-8:35 am

1 stop9h 55m

Southampton Eastleigh

Sun 4/5

5:20 pm-3:35 pm

1 stop27h 15m

$1,018

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Fri 3/27

7:59 pm-3:50 pm

2 stops39h 51m

Southampton Eastleigh

Mon 4/6

5:20 pm-3:35 pm

1 stop27h 15m

$1,035

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sun 3/29

5:40 pm-8:35 am

1 stop9h 55m

Southampton Eastleigh

Sat 4/4

5:20 pm-12:39 pm

2 stops48h 19m

$1,035

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

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 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 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 $31). Flying from District of Columbia to Southampton in June is currently the most expensive (average of $711). 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 and Delta can get you from District of Columbia to Southampton in just under 9h 25m. Your travel time can differ by up to 5h 50m. There are 3639 mi between District of Columbia and Southampton. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 vacation 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 $31). Flying from District of Columbia to Southampton in June is currently the most expensive (average of $711). 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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Alternative routes for District of Columbia to Southampton

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Top 2 airlines flying from District of Columbia to Southampton

Discover the top 2 airlines that operate flights from District of Columbia to Southampton. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$677Average$900FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$785Average$1,172FlexibilityNo cancel feeOn-timeN/A

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