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Southampton

$484+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SOU
Dec 24 — Dec 311
Wed 12/24
Wed 12/31
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 November 24, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$766
(Delta)

One-way from

$484
(KAYAK)

Popular in

December

Cheapest in

September

Average price

$776
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. 7% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 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 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 November 24, 2025.

This Delta deal was found by Cheapflights users on 11/23. 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.
Tue 12/236:49 pmDCA - SOU
2 stops17h 11mDelta
Tue 1/65:35 pmSOU - DCA
2 stops27h 54mDelta
Deal found 11/23$1,087
This Delta deal was found by Cheapflights users on 11/23. 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.
Tue 12/236:05 pmIAD - SOU
1 stop17h 55mDelta
Tue 1/65:35 pmSOU - IAD
2 stops30h 34mDelta
Deal found 11/23$1,199
This Delta deal was found by Cheapflights users on 11/23. 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.
Wed 12/1712:19 pmIAD - SOU
2 stops15h 01mDelta
Tue 1/65:35 pmSOU - IAD
2 stops30h 34mDelta
Deal found 11/23$1,225
This Delta deal was found by Cheapflights users on 11/23. 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.
Mon 12/226:05 pmIAD - SOU
1 stop17h 55mDelta
Tue 1/65:35 pmSOU - IAD
2 stops30h 34mDelta
Deal found 11/23$1,353
This Delta deal was found by Cheapflights users on 11/23. 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.
Tue 12/236:49 pmDCA - SOU
2 stops17h 11mDelta
Thu 1/18:50 amSOU - DCA
2 stops19h 00mDelta
Deal found 11/23$1,407
This Delta deal was found by Cheapflights users on 11/23. 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 12/216:05 pmIAD - SOU
1 stop18h 20mDelta
Tue 1/65:35 pmSOU - IAD
2 stops30h 34mDelta
Deal found 11/23$1,413
This Delta deal was found by Cheapflights users on 11/23. 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.
Thu 12/186:05 pmIAD - SOU
1 stop17h 55mDelta
Tue 1/65:35 pmSOU - IAD
2 stops30h 34mDelta
Deal found 11/23$1,473
This Delta deal was found by Cheapflights users on 11/22. 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.
Tue 11/256:05 pmIAD - SOU
1 stop17h 55mDelta
Sun 11/306:05 pmSOU - IAD
1 stop27h 00mDelta
Deal found 11/22$1,626
This KAYAK deal was found by Cheapflights users on 11/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:05 pmIAD - SOU
1 stop10h 40mAer Lingus
Sun 1/48:10 pmSOU - IAD
1 stop24h 25mAer Lingus
Deal found 11/22$1,734
This Delta deal was found by Cheapflights users on 11/23. 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.
Tue 12/236:05 pmIAD - SOU
1 stop17h 55mDelta
Sun 1/46:05 pmSOU - IAD
1 stop27h 00mDelta
Deal found 11/23$1,743
This Delta deal was found by Cheapflights users on 11/22. 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.
Tue 11/256:05 pmIAD - SOU
1 stop17h 55mDelta
Sat 11/295:30 pmSOU - IAD
1 stop27h 35mDelta
Deal found 11/22$1,810
This Delta deal was found by Cheapflights users on 11/23. 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.
Mon 12/226:05 pmIAD - SOU
1 stop17h 55mDelta
Thu 1/18:50 amSOU - IAD
1 stop12h 15mDelta
Deal found 11/23$1,827

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 November 24, 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

Wed 3/4

6:05 pm-5:25 pm

1 stop18h 20m

Southampton Eastleigh

Sun 3/8

9:30 am-5:05 pm

1 stop11h 35m

$766

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 4/15

5:40 pm-4:50 pm

1 stop18h 10m

Southampton Eastleigh

Thu 4/30

9:05 am-3:35 pm

1 stop11h 30m

$780

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Wed 3/4

9:54 am-8:20 am

2 stops17h 26m

Southampton Eastleigh

Sun 3/8

9:30 am-11:48 pm

2 stops18h 18m

$780

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Tue 1/6

11:10 am-8:50 am

2 stops16h 40m

Southampton Eastleigh

Tue 1/13

9:25 am-9:34 pm

2 stops17h 09m

$780

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 4/15

6:40 pm-4:50 pm

2 stops17h 10m

Southampton Eastleigh

Thu 4/30

9:05 am-9:16 pm

2 stops17h 11m

$794

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 1/6

7:49 pm-5:05 pm

2 stops40h 16m

Southampton Eastleigh

Tue 1/13

9:25 am-4:05 pm

1 stop11h 40m

$878

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 1/6

6:05 pm-5:05 pm

1 stop18h 00m

Southampton Eastleigh

Tue 1/13

9:25 am-4:05 pm

1 stop11h 40m

$932

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Tue 12/23

6:49 pm-5:00 pm

2 stops17h 11m

Southampton Eastleigh

Tue 1/6

5:35 pm-4:29 pm

2 stops27h 54m

$1,087

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Tue 12/23

6:49 pm-5:00 pm

2 stops17h 11m

Southampton Eastleigh

Thu 1/1

8:50 am-10:50 pm

2 stops19h 00m

$1,407

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Tue 1/6

6:59 am-8:05 pm

3 stops32h 06m

Southampton Eastleigh

Tue 1/13

8:40 am-8:55 am

3 stops29h 15m

$1,579

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/23

Showing 1-10 of 12 results
1
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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 $747). 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.

What is the cheapest time of day to fly from DC to SOU?

Find hourly flight availability from District of Columbia to Southampton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 24, 2025.

A simple way to save on the total cost of your ticket is to fly from District of Columbia to Southampton in the afternoon. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the morning.

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 can get you from District of Columbia to Southampton in just under 18h 20m. Your travel time can differ by up to . There are 3639 mi between District of Columbia and Southampton.

  • 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 $747). 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 November 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$677Average$900FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$785Average$1,172FlexibilityNo cancel feeOn-timeN/A

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