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$753+ Cheap flights from District of Columbia to Southampton (SOU)

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SOU
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
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 26, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$753
(Delta)

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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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 26, 2025.

This KLM deal was found by Cheapflights users on 11/25. 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 11/266:05 pmIAD - SOU
1 stop18h 20mKLM
Wed 12/38:40 amSOU - IAD
1 stop12h 25mKLM
Deal found 11/25$758
This Mytrip deal was found by Cheapflights users on 11/25. 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 11/269:45 amIAD - SOU
3 stops23h 35mMultiple Airlines
Wed 12/38:10 pmSOU - IAD
2 stops24h 05mMultiple Airlines
Deal found 11/25$1,146
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/249:00 pmIAD - SOU
1 stop13h 35mAer Lingus
Thu 11/278:10 pmSOU - IAD
1 stop24h 25mAer Lingus
Deal found 11/23$1,222
This Delta deal was found by Cheapflights users on 11/25. 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
Wed 12/248:40 amSOU - IAD
1 stop12h 25mDelta
Deal found 11/25$1,644
This Delta deal was found by Cheapflights users on 11/25. 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 12/217:00 amDCA - SOU
2 stops20h 10mDelta
Wed 12/245:30 pmSOU - DCA
2 stops28h 10mDelta
Deal found 11/25$1,659
This Delta deal was found by Cheapflights users on 11/25. 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
Mon 12/296:05 pmSOU - IAD
1 stop27h 00mDelta
Deal found 11/25$1,733
This Delta deal was found by Cheapflights users on 11/25. 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 12/2112:32 pmDCA - SOU
2 stops14h 38mDelta
Mon 12/296:05 pmSOU - DCA
2 stops29h 14mDelta
Deal found 11/25$1,748
This Delta deal was found by Cheapflights users on 11/25. 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 12/308:40 amSOU - IAD
1 stop12h 25mDelta
Deal found 11/25$1,802
This Delta deal was found by Cheapflights users on 11/25. 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
Sun 12/286:05 pmSOU - IAD
1 stop27h 00mDelta
Deal found 11/25$1,803
This Delta deal was found by Cheapflights users on 11/25. 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 12/2112:32 pmDCA - SOU
2 stops14h 38mDelta
Sat 12/275:30 pmSOU - DCA
2 stops32h 00mDelta
Deal found 11/25$1,818
This Delta deal was found by Cheapflights users on 11/25. 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 12/217:00 amDCA - SOU
2 stops20h 10mDelta
Sun 12/286:05 pmSOU - DCA
2 stops29h 51mDelta
Deal found 11/25$1,887
This Delta deal was found by Cheapflights users on 11/25. 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 12/202:25 pmDCA - SOU
2 stops36h 45mDelta
Sat 12/275:30 pmSOU - DCA
2 stops32h 00mDelta
Deal found 11/25$1,888

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 26, 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

5:45 pm-5:05 pm

1 stop27h 20m

$753

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Thu 3/5

5:00 pm-5:00 pm

2 stops19h 00m

Southampton Eastleigh

Mon 3/9

5:30 pm-6:33 pm

2 stops29h 03m

$768

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Thu 1/8

12:23 pm-8:25 am

2 stops15h 02m

Southampton Eastleigh

Thu 1/15

9:00 am-4:05 pm

1 stop12h 05m

$770

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

7:30 am-8:20 am

2 stops19h 50m

Southampton Eastleigh

Sun 3/8

9:30 am-10:42 pm

2 stops17h 12m

$780

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Sun 4/19

8:15 pm-4:50 pm

2 stops15h 35m

Southampton Eastleigh

Sat 4/25

9:15 am-11:12 pm

2 stops18h 57m

$939

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Sun 4/19

11:05 am-7:30 pm

3 stops27h 25m

Southampton Eastleigh

Sat 4/25

6:55 pm-7:59 pm

3 stops30h 04m

$1,070

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Sun 12/21

7:00 am-8:10 am

2 stops20h 10m

Southampton Eastleigh

Wed 12/24

5:30 pm-4:40 pm

2 stops28h 10m

$1,659

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Sun 12/21

12:32 pm-8:10 am

2 stops14h 38m

Southampton Eastleigh

Mon 12/29

6:05 pm-6:19 pm

2 stops29h 14m

$1,748

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Sun 12/21

12:32 pm-8:10 am

2 stops14h 38m

Southampton Eastleigh

Sat 12/27

5:30 pm-8:30 pm

2 stops32h 00m

$1,818

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 19 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 $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 26, 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for District of Columbia to Southampton

See prices for flight routes from nearby airports that may be better suited for you.
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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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$677Average$900FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$785Average$1,119FlexibilityNo cancel feeOn-timeN/A

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