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Southampton

$410+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SOU
Aug 31 — Sep 71
Sun 8/31
Sun 9/7
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 August 26, 2025.

Round-trip from

$686
(Kiwi.com)

One-way from

$410
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$687
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 ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 26, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/75:20 pmIAD - SOU
1 stop9h 45mAer Lingus
Tue 10/149:10 amSOU - IAD
1 stop15h 20mAer Lingus
Deal found 8/24$686
This Orbitz deal was found by Cheapflights users on 8/24. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/85:05 pmIAD - SOU
1 stop10h 40mAer Lingus
Sat 11/159:30 amSOU - IAD
1 stop15h 00mAer Lingus
Deal found 8/24$752
This Trip.com deal was found by Cheapflights users on 8/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/95:20 pmIAD - SOU
1 stop21h 10mAer Lingus
Thu 10/169:40 amSOU - IAD
1 stop14h 15mAer Lingus
Deal found 8/25$799
This KLM deal was found by Cheapflights users on 8/25. 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 9/105:25 pmIAD - SOU
1 stop10h 20mKLM
Wed 9/249:20 amSOU - IAD
1 stop11h 15mKLM
Deal found 8/25$813
This KLM deal was found by Cheapflights users on 8/26. 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 9/105:25 pmIAD - SOU
1 stop10h 20mKLM
Tue 9/169:20 amSOU - IAD
1 stop11h 15mKLM
Deal found 8/26$814
This Virgin Atlantic deal was found by Cheapflights users on 8/25. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/95:25 pmIAD - SOU
1 stop18h 35mVirgin Atlantic
Thu 10/169:20 amSOU - IAD
2 stops19h 52mVirgin Atlantic
Deal found 8/25$823
This Trip.com deal was found by Cheapflights users on 8/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:00 pmIAD - SOU
2 stops20h 40mMultiple Airlines
Sat 11/159:30 amSOU - IAD
2 stops36h 10mMultiple Airlines
Deal found 8/24$827
This KLM deal was found by Cheapflights users on 8/25. 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.
Tue 9/301:20 pmDCA - SOU
2 stops14h 25mKLM
Wed 10/159:20 amSOU - DCA
2 stops14h 39mKLM
Deal found 8/25$828
This KLM deal was found by Cheapflights users on 8/26. 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 9/101:55 pmDCA - SOU
2 stops13h 50mKLM
Tue 9/169:20 amSOU - DCA
2 stops16h 22mKLM
Deal found 8/26$829
This Mytrip deal was found by Cheapflights users on 8/25. 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.
Tue 9/309:35 amIAD - SOU
3 stops28h 55mMultiple Airlines
Wed 10/158:00 pmSOU - IAD
2 stops24h 20mMultiple Airlines
Deal found 8/25$834
This KLM deal was found by Cheapflights users on 8/24. 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.
Thu 9/115:25 pmIAD - SOU
1 stop10h 20mKLM
Mon 9/155:35 pmSOU - IAD
1 stop27h 00mKLM
Deal found 8/24$865
This Delta deal was found by Cheapflights users on 8/24. 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 9/202:00 pmDCA - SOU
2 stops13h 45mDelta
Sat 9/279:20 amSOU - DCA
2 stops18h 37mDelta
Deal found 8/24$989

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 August 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

Tue 10/7

5:20 pm-8:05 am

1 stop9h 45m

Southampton Eastleigh

Tue 10/14

9:10 am-7:30 pm

1 stop15h 20m

$686

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sat 11/8

5:05 pm-8:45 am

1 stop10h 40m

Southampton Eastleigh

Sat 11/15

9:30 am-7:30 pm

1 stop15h 00m

$752

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Thu 10/9

5:20 pm-7:30 pm

1 stop21h 10m

Southampton Eastleigh

Thu 10/16

9:40 am-6:55 pm

1 stop14h 15m

$799

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sat 9/20

5:25 pm-8:45 am

1 stop10h 20m

Southampton Eastleigh

Sat 9/27

6:05 pm-3:35 pm

1 stop26h 30m

$813

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 9/10

5:25 pm-8:45 am

1 stop10h 20m

Southampton Eastleigh

Wed 9/24

9:20 am-3:35 pm

1 stop11h 15m

$813

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 9/30

5:25 pm-5:00 pm

1 stop18h 35m

Southampton Eastleigh

Wed 10/15

9:20 am-3:35 pm

1 stop11h 15m

$813

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sat 11/8

6:05 pm-8:50 am

1 stop9h 45m

Southampton Eastleigh

Sat 11/15

5:30 pm-4:05 pm

1 stop27h 35m

$813

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Fri 11/7

6:05 pm-8:50 am

1 stop9h 45m

Southampton Eastleigh

Fri 11/14

5:30 pm-4:05 pm

1 stop27h 35m

$813

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 9/10

5:25 pm-8:45 am

1 stop10h 20m

Southampton Eastleigh

Tue 9/16

9:20 am-3:35 pm

1 stop11h 15m

$814

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Tue 9/30

1:20 pm-8:45 am

2 stops14h 25m

Southampton Eastleigh

Wed 10/15

9:20 am-6:59 pm

2 stops14h 39m

$828

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/25

Showing 1-10 of 27 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, November is the cheapest month in which you can book a flight from District of Columbia to Southampton (average of $787). Flying from District of Columbia to Southampton in June is currently the most expensive (average of $1,308). 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 August 26, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to Southampton as you normally would.

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?

    Aer Lingus and KLM can get you from District of Columbia to Southampton in just under 9h 45m. Your travel time can differ by up to 35m. 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, November is the cheapest month in which you can book a flight from District of Columbia to Southampton (average of $787). Flying from District of Columbia to Southampton in June is currently the most expensive (average of $1,308). 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

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 August 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$677Average$900FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$778Average$1,117FlexibilityNo cancel feeOn-timeN/A

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