How long is the flight from Washington, D.C. to Southampton?

A quick flight from Washington, D.C. to Southampton can take about 17h 40m. Delta provides one of the quickest options available for as low as $986. Airlines will cover a distance of 3639 mi.

What is the cheapest airline to fly from Washington, D.C. to Southampton round-trip?

Cheapflights users have booked flights from Washington, D.C. to Southampton round-trip from $1,064.

In terms of precipitation, rainfall in Southampton ranges from 1.0 - 3.0 inches per month. December is typically the wettest month, when rainfall can reach 3.0 in. July is typically the driest time to visit Southampton when rainfall is around 1.0 in.

If weather is an important factor for your trip to Southampton, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

What are the most popular routes from Washington, D.C. to Southampton?

When deciding which route to take from Washington, D.C. to Southampton consider Washington, D.C. Dulles Intl - Southampton Eastleigh, Baltimore/Washington - Southampton Eastleigh or Washington, D.C. Reagan-National - Southampton Eastleigh as they are the most popular.

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

When flying from Washington, D.C. to Southampton, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Washington, D.C.-Southampton flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C.-Southampton flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Southampton flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C.-Southampton flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Southampton flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Southampton from Washington, D.C.?

For a flight from Washington, D.C. to Southampton, you will be flying into Eastleigh. Southampton Eastleigh (SOU) is just 3.5 mi from the center of the city. Eastleigh is the only Southampton airport and it handles 0 inbound flights from Washington, D.C. per day. 1 airline has flights to Southampton Eastleigh from Washington, D.C. on a regular basis.

Can I find deals for flights from Washington, D.C. to Southampton that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Southampton flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Southampton?

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

Can I find deals for business class flights from Washington, D.C. to Southampton?

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$425+ Cheap Flights from Washington, D.C. to Southampton

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Cheap flight deals from Washington, D.C. to Southampton

Cheapest

Best

Last-minute

One-way

Cheapest flights from Washington, D.C. to Southampton
Explore the most affordable flight options available from Washington, D.C. to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.

Mon 11/25:15 pm -

1 stop10h 35m

Mon 11/99:20 am -

1 stop15h 00m

Deal found 9/18

$744

Mon 11/27:40 pm -

2 stops18h 50m

Mon 11/95:45 pm -

3 stops29h 45m

Deal found 9/18

$769

Thu 11/55:15 pm -

1 stop10h 35m

Thu 11/128:00 pm -

2 stops25h 20m

Deal found 9/21

$950

Mon 10/1912:30 pm -

2 stops15h 05m

Wed 11/45:35 pm -

1 stop27h 10m

Deal found 9/19

$986

Wed 11/256:15 pm -

1 stop17h 50m

Wed 12/25:30 pm -

1 stop27h 15m

Deal found 9/17

$987

Mon 10/199:40 am -

2 stops17h 55m

Wed 11/45:35 pm -

2 stops32h 08m

Deal found 9/19

$992

Thu 10/16:10 am -

2 stops21h 25m

Tue 10/69:05 am -

2 stops17h 55m

Deal found 9/19

$1,050

Mon 11/29:00 am -

2 stops18h 10m

Mon 11/98:40 am -

2 stops16h 19m

Deal found 9/18

$1,051

Thu 11/56:55 pm -

3 stops19h 35m

Thu 11/128:00 pm -

3 stops30h 59m

Deal found 9/22

$1,112

Fri 10/211:10 am -

2 stops16h 35m

Tue 10/69:05 am -

2 stops17h 59m

Deal found 9/19

$1,170

Mon 11/29:40 am -

2 stops18h 10m

Mon 11/98:00 pm -

3 stops27h 18m

Deal found 9/18

$1,441

Thu 12/1711:31 am -

2 stops16h 19m

Sun 12/209:20 am -

2 stops17h 57m

Deal found 9/21

$1,735

Best flights from Washington, D.C. to Southampton
Discover carefully curated flight deals from Washington, D.C. to Southampton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.

Mon 11/27:40 pm -

2 stops32h 05m

Mon 11/99:20 am -

1 stop11h 25m

Deal found 9/18

$887

Mon 10/196:10 pm -

1 stop17h 40m

Wed 11/48:40 am -

1 stop12h 15m

Deal found 9/19

$986

Thu 11/55:45 pm -

1 stop18h 20m

Thu 11/128:40 am -

1 stop12h 05m

Deal found 9/21

$1,036

Mon 12/218:50 pm -

1 stop31h 00m

Mon 12/288:00 pm -

1 stop24h 45m

Deal found 9/20

$1,433

Wed 11/256:15 pm -

1 stop17h 50m

Wed 12/25:30 pm -

1 stop27h 15m

Deal found 9/17

$987

Mon 10/199:40 am -

2 stops17h 55m

Wed 11/45:35 pm -

2 stops32h 08m

Deal found 9/19

$992

Wed 11/256:15 pm -

1 stop17h 50m

Mon 11/305:30 pm -

1 stop27h 15m

Deal found 9/17

$1,017

Thu 11/56:00 am -

3 stops21h 50m

Thu 11/129:20 am -

2 stops18h 18m

Deal found 9/22

$1,260

Wed 11/256:15 pm -

1 stop17h 50m

Tue 12/15:30 pm -

1 stop27h 25m

Deal found 9/17

$1,017

Thu 11/511:13 am -

2 stops15h 57m

Thu 11/128:40 am -

2 stops14h 19m

Deal found 9/22

$1,050

Mon 11/29:40 am -

2 stops18h 10m

Mon 11/98:00 pm -

3 stops27h 18m

Deal found 9/18

$1,441

Mon 11/29:00 am -

2 stops18h 10m

Mon 11/98:40 am -

2 stops16h 19m

Deal found 9/18

$1,051

Fri 10/211:10 am -

2 stops16h 35m

Tue 10/69:05 am -

2 stops17h 59m

Deal found 9/19

$1,170

Thu 12/1711:31 am -

2 stops16h 19m

Sun 12/209:20 am -

2 stops17h 57m

Deal found 9/21

$1,735

Fri 10/25:30 pm -

1 stop10h 15m

Mon 10/59:05 am -

1 stop11h 30m

Deal found 9/19

$1,390

Last-minute flights from Washington, D.C. to Southampton
Discover last-minute flight deals from Washington, D.C. to Southampton. Data last updated September 22, 2026 and is based on user searches.

Wed 9/2310:25 pm -

1 stop11h 05m

Fri 9/258:55 am -

1 stop11h 40m

Deal found 9/19

$1,811

Thu 9/248:40 pm -

1 stop31h 00m

Thu 10/18:00 pm -

1 stop24h 45m

Deal found 9/17

$1,523

Thu 9/248:40 pm -

1 stop31h 00m

Fri 10/28:00 pm -

1 stop24h 45m

Deal found 9/17

$1,583

Thu 10/15:30 pm -

1 stop10h 05m

Tue 10/65:20 pm -

2 stops29h 13m

Deal found 9/19

$1,045

Thu 10/16:10 am -

2 stops21h 25m

Tue 10/69:05 am -

2 stops17h 55m

Deal found 9/19

$1,050

Thu 10/15:30 pm -

1 stop10h 05m

Mon 10/59:05 am -

2 stops17h 39m

Deal found 9/19

$1,095

Fri 10/211:10 am -

2 stops16h 35m

Tue 10/69:05 am -

2 stops17h 59m

Deal found 9/19

$1,170

Fri 10/25:30 pm -

1 stop10h 15m

Tue 10/69:05 am -

1 stop11h 30m

Deal found 9/19

$1,340

Fri 10/25:30 pm -

1 stop10h 15m

Mon 10/59:05 am -

1 stop11h 30m

Deal found 9/19

$1,390

Sat 10/105:15 pm -

1 stop10h 20m

Tue 10/138:00 pm -

1 stop24h 45m

Deal found 9/18

$1,706

Mon 10/196:10 pm -

1 stop17h 40m

Wed 11/48:40 am -

1 stop12h 15m

Deal found 9/19

$986

Mon 10/199:40 am -

2 stops17h 55m

Wed 11/45:35 pm -

2 stops32h 08m

Deal found 9/19

$992

One-way flights from Washington, D.C. to Southampton
Search for one-way flight options from Washington, D.C. to Southampton. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.

Thu 11/55:25 pm -

3 stops37h 30m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/21

$425

Thu 11/55:15 pm -

1 stop10h 35m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/21

$533

Mon 3/88:50 pm -

1 stop31h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/19

$566

Sun 10/45:30 pm -

1 stop10h 05m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/21

$579

Thu 11/511:13 am -

2 stops15h 57m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/21

$588

Sat 10/36:26 pm -

2 stops41h 24m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/21

$596

Sun 12/278:50 pm -

1 stop31h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/20

$606

Thu 10/15:30 pm -

1 stop10h 05m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/21

$629

Fri 3/199:50 pm -

1 stop30h 55m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/20

$679

Wed 12/168:50 pm -

1 stop31h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/21

$737

Thu 11/56:55 pm -

3 stops19h 35m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/21

$739

Find flight deals from Washington, D.C. to Southampton

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$744 (Mytrip)
One-way from	$425 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$926

Provider with most accurate pricing for Washington, D.C. (WAS)-Southampton Eastleigh flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Southampton Eastleigh flights.

Search Deals

From Washington, D.C. (WAS) to Southampton Eastleigh

Search Deals

One-way flight from Washington, D.C. (WAS) to Southampton Eastleigh

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($187 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Southampton

IAD Washington, D.C. Dulles Intl - SOU Southampton Eastleigh

IADSOU

Washington, D.C. Dulles Intl

Mon 3/8

8:50 pm-8:50 am

1 stop31h 00m

Southampton Eastleigh

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$566

Quickest round-trip

Washington, D.C.Southampton

IAD Washington, D.C. Dulles Intl - SOU Southampton Eastleigh

IADSOU

Washington, D.C. Dulles Intl

Mon 10/5

6:10 pm-8:35 am

1 stop9h 25m

Southampton Eastleigh

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$579

Washington, D.C.Southampton

IAD Washington, D.C. Dulles Intl - SOU Southampton Eastleigh

IADSOU

Washington, D.C. Dulles Intl

Sun 10/4

5:30 pm-8:35 am

1 stop10h 05m

Southampton Eastleigh

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$579

Washington, D.C.Southampton

DCA Washington, D.C. Reagan-National - SOU Southampton Eastleigh

DCASOU

Washington, D.C. Reagan-National

Thu 11/5

11:13 am-8:10 am

2 stops15h 57m

Southampton Eastleigh

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$588

Washington, D.C.Southampton

IAD Washington, D.C. Dulles Intl - SOU Southampton Eastleigh

IADSOU

Washington, D.C. Dulles Intl

Sat 10/3

5:30 pm-8:45 am

1 stop10h 15m

Southampton Eastleigh

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$629

Washington, D.C.Southampton

IAD Washington, D.C. Dulles Intl - SOU Southampton Eastleigh

IADSOU

Washington, D.C. Dulles Intl

Fri 10/2

5:30 pm-8:45 am

1 stop10h 15m

Southampton Eastleigh

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$629

Washington, D.C.Southampton

IAD Washington, D.C. Dulles Intl - SOU Southampton Eastleigh

IADSOU

Washington, D.C. Dulles Intl

Thu 10/1

10:15 am-8:45 am

2 stops41h 30m

Southampton Eastleigh

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$634

Washington, D.C.Southampton

IAD Washington, D.C. Dulles Intl - SOU Southampton Eastleigh

IADSOU

Washington, D.C. Dulles Intl

Fri 3/19

9:50 pm-8:45 am

1 stop30h 55m

Southampton Eastleigh

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$679

Washington, D.C.Southampton

DCA Washington, D.C. Reagan-National - SOU Southampton Eastleigh

DCASOU

Washington, D.C. Reagan-National

Thu 11/5

6:55 pm-7:30 pm

3 stops19h 35m

Southampton Eastleigh

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$739

Washington, D.C.Southampton

IAD Washington, D.C. Dulles Intl - SOU Southampton Eastleigh

IADSOU

Washington, D.C. Dulles Intl

Fri 10/2

8:55 pm-8:35 am

1 stop30h 40m

Southampton Eastleigh

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$825

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/19

Showing 1-10 of 28 resultsSorted by cheapest first

Compare providers for flights from Washington, D.C. to Southampton

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Southampton in September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C.-Southampton flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C.-Southampton flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Southampton flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C.-Southampton flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Southampton flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from Washington, D.C. with our price prediction graph.

WAS-SOU

IAD-SOU

DCA-SOU

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 Washington, D.C. to Southampton

WAS-SOU

IAD-SOU

DCA-SOU

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to Southampton from Washington, D.C.?
For a flight from Washington, D.C. to Southampton, you will be flying into Eastleigh. Southampton Eastleigh (SOU) is just 3.5 mi from the center of the city. Eastleigh is the only Southampton airport and it handles 0 inbound flights from Washington, D.C. per day. 1 airline has flights to Southampton Eastleigh from Washington, D.C. on a regular basis.
How long is the flight from Washington, D.C. to Southampton?
A quick flight from Washington, D.C. to Southampton can take about 17h 40m. Delta provides one of the quickest options available for as low as $986. Airlines will cover a distance of 3639 mi.
What is the cheapest airline to fly from Washington, D.C. to Southampton round-trip?
Cheapflights users have booked flights from Washington, D.C. to Southampton round-trip from $1,064.
What are the most popular routes from Washington, D.C. to Southampton?
When deciding which route to take from Washington, D.C. to Southampton consider Washington, D.C. Dulles Intl - Southampton Eastleigh, Baltimore/Washington - Southampton Eastleigh or Washington, D.C. Reagan-National - Southampton Eastleigh as they are the most popular.
Can I find deals for flights from Washington, D.C. to Southampton that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Southampton flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Southampton?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Southampton.
Can I find deals for business class flights from Washington, D.C. to Southampton?
Yes. Cheapflights offers flight deals from Washington, D.C. 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.

See more FAQs

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Alternative routes for Washington, D.C. to Southampton

Dulles Intl to Heathrow flights

Reagan-National to Heathrow flights

Dulles Intl to Gatwick flights

Dulles Intl to Stansted flights

Dulles Intl to Luton flights

Dulles Intl to Edinburgh flights

Reagan-National to Edinburgh flights

Dulles Intl to Manchester flights

Reagan-National to Manchester flights

Dulles Intl to Southampton flights

Dulles Intl to Birmingham flights

Dulles Intl to Leeds flights

Dulles Intl to Liverpool flights

Dulles Intl to Newcastle upon Tyne flights

Reagan-National to Liverpool flights

Reagan-National to Leeds flights

Top airline flying from Washington, D.C. to Southampton

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest$1,064	Average$1,080	FlexibilityNo cancel fee	On-timeN/A

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$425+ Cheap flights from Washington, D.C. (WAS) 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Southampton with Cheapflights

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Cheap flight deals from Washington, D.C. to Southampton

Cheapest flights from Washington, D.C. to SouthamptonExplore the most affordable flight options available from Washington, D.C. to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.

Explore the most affordable flight options available from Washington, D.C. to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.

Best flights from Washington, D.C. to SouthamptonDiscover carefully curated flight deals from Washington, D.C. to Southampton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.

Discover carefully curated flight deals from Washington, D.C. to Southampton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.

Last-minute flights from Washington, D.C. to SouthamptonDiscover last-minute flight deals from Washington, D.C. to Southampton. Data last updated September 22, 2026 and is based on user searches.

Discover last-minute flight deals from Washington, D.C. to Southampton. Data last updated September 22, 2026 and is based on user searches.

One-way flights from Washington, D.C. to SouthamptonSearch for one-way flight options from Washington, D.C. to Southampton. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.

Search for one-way flight options from Washington, D.C. to Southampton. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.

Find flight deals from Washington, D.C. to Southampton

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Cheapest in

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Use the filters below to find and compare flights from Washington, D.C. to Southampton that are best for you.

Compare providers for flights from Washington, D.C. to Southampton

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Southampton in September.

Best time to book a flight from Washington, D.C. to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from Washington, D.C. with our price prediction graph.

Cheapflights Insights

Related info for your journey

What airport do you fly into for flights to Southampton from Washington, D.C.?

How long is the flight from Washington, D.C. to Southampton?

What is the cheapest airline to fly from Washington, D.C. to Southampton round-trip?

What are the most popular routes from Washington, D.C. to Southampton?

Can I find deals for flights from Washington, D.C. to Southampton that include hotel bookings?

How can I find direct flights from Washington, D.C. to Southampton?

Can I find deals for business class flights from Washington, D.C. to Southampton?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to Southampton

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Southampton by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Washington, D.C. to Southampton by cabin class

Find flights from Washington, D.C. to Southampton, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Washington, D.C. and Southampton flights

Browse other Washington, D.C. and Southampton flight options. Last updated on September 22, 2026.

Other flights from Washington, D.C.

Browse through other flights departing from Washington, D.C.. Flights are based on user searches made on Cheapflights and were last updated on September 22, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to Southampton

Explore flights to Southampton departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 22, 2026.

Top airline flying from Washington, D.C. to Southampton

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Cheapest flights from Washington, D.C. to Southampton
Explore the most affordable flight options available from Washington, D.C. to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.

Best flights from Washington, D.C. to Southampton
Discover carefully curated flight deals from Washington, D.C. to Southampton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.

Last-minute flights from Washington, D.C. to Southampton
Discover last-minute flight deals from Washington, D.C. to Southampton. Data last updated September 22, 2026 and is based on user searches.

One-way flights from Washington, D.C. to Southampton
Search for one-way flight options from Washington, D.C. to Southampton. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.