What are the cheapest airlines flying from Washington, D.C. to Southampton round-trip?

Cheapflights users have booked flights from Washington, D.C. to Southampton round-trip from $749. Other airlines that can offer you cheap pricing are Delta, from $766, and Aer Lingus, from $966. These flights start at 20% lower than the current average price 3 months from now.

What is the cheapest day to fly from Washington, D.C. to Southampton?

Travelers seeking maximum savings on their Washington, D.C. to Southampton flight should consider departing on Friday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 day to fly round-trip from Washington, D.C. to Southampton?

Friday flights are found to be more expensive to fly from Washington, D.C. to Southampton. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Southampton.

How far in advance should I book a flight from Washington, D.C. to Southampton?

Travelers have found it’s best to book a flight 39 days in advance to save up to 15% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 39 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington, D.C. to Southampton 1-2 weeks in advance for as low as $774, or $787 for flights within the next 24 hours.

What is the cheapest month to fly from Washington, D.C. to Southampton?

Our data shows that January tends to be the cheapest month to fly to Southampton from Washington, D.C.. Users have commonly found prices around $747 for the month, but tickets can be as low as $376. Due to multiple factors, prepare for potentially higher prices in June.

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. 3 airlines have 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.

$664+ Flights from Washington, D.C. to Southampton

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1. Tell us where you want to go

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

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$727 (Mytrip)
One-way from	$689 (Gurufare)
Popular in	June
Cheapest in	November

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. 16% potential increase in price ($187 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).

Search Deals

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

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 January 21, 2025.

Wed 3/55:10 pmIAD - SOU

2 stops21h 30mMultiple Airlines

Wed 3/129:30 amSOU - IAD

2 stops35h 10mMultiple Airlines

Deal found 1/21

$727

Wed 3/55:35 pmIAD - SOU

1 stop18h 15mKLM

Wed 3/125:20 pmSOU - IAD

1 stop27h 25mKLM

Deal found 1/21

$749

Wed 3/511:35 amDCA - SOU

2 stops15h 55mDelta

Wed 3/129:00 amSOU - DCA

2 stops18h 16mDelta

Deal found 1/21

$766

Wed 9/36:40 pmIAD - SOU

2 stops17h 20mVirgin Atlantic

Fri 9/129:20 amSOU - IAD

1 stop11h 15mVirgin Atlantic

Deal found 1/21

$844

Wed 2/266:00 pmIAD - SOU

2 stops20h 40mAer Lingus

Sun 3/98:10 pmSOU - IAD

2 stops28h 35mAer Lingus

Deal found 1/21

$966

Wed 3/512:26 pmBWI - SOU

2 stops15h 04mKLM

Wed 3/129:00 amSOU - BWI

2 stops16h 55mKLM

Deal found 1/21

$974

Wed 3/56:00 amBWI - SOU

3 stops21h 45mMultiple Airlines

Wed 3/129:30 amSOU - BWI

2 stops18h 28mMultiple Airlines

Deal found 1/21

$1,022

Wed 9/31:00 pmBWI - SOU

2 stops14h 45mDelta

Fri 9/129:20 amSOU - BWI

2 stops17h 23mDelta

Deal found 1/21

$1,048

Sat 3/88:30 pmBWI - SOU

2 stops18h 10mAer Lingus

Sat 3/159:30 amSOU - BWI

2 stops38h 15mAer Lingus

Deal found 1/21

$1,263

Wed 4/210:40 pmIAD - SOU

2 stops15h 45mBritish Airways

Tue 4/89:10 amSOU - IAD

1 stop11h 40mBritish Airways

Deal found 1/21

$2,101

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 January 21, 2025.

Wed 3/55:10 pmIAD - SOU

2 stops21h 30mMultiple Airlines

Wed 3/129:30 amSOU - IAD

2 stops35h 10mMultiple Airlines

Deal found 1/21

$727

Wed 3/55:35 pmIAD - SOU

1 stop18h 15mKLM

Wed 3/125:20 pmSOU - IAD

1 stop27h 25mKLM

Deal found 1/21

$749

Wed 3/511:35 amDCA - SOU

2 stops15h 55mDelta

Wed 3/129:00 amSOU - DCA

2 stops18h 16mDelta

Deal found 1/21

$766

Wed 2/266:00 pmIAD - SOU

2 stops20h 40mAer Lingus

Sun 3/98:10 pmSOU - IAD

2 stops28h 35mAer Lingus

Deal found 1/21

$966

Wed 3/512:26 pmBWI - SOU

2 stops15h 04mKLM

Wed 3/129:00 amSOU - BWI

2 stops16h 55mKLM

Deal found 1/21

$974

Wed 3/56:00 amBWI - SOU

3 stops21h 45mMultiple Airlines

Wed 3/129:30 amSOU - BWI

2 stops18h 28mMultiple Airlines

Deal found 1/21

$1,022

Thu 3/612:00 pmBWI - SOU

2 stops15h 25mDelta

Thu 3/139:00 amSOU - BWI

2 stops18h 53mDelta

Deal found 1/19

$1,026

Wed 4/210:40 pmIAD - SOU

2 stops15h 45mBritish Airways

Tue 4/89:10 amSOU - IAD

1 stop11h 40mBritish Airways

Deal found 1/21

$2,101

Sat 4/129:20 pmBWI - SOU

2 stops29h 40mBritish Airways

Sun 4/208:45 amSOU - BWI

2 stops15h 50mBritish Airways

Deal found 1/20

$6,495

Last-minute flights from Washington, D.C. to Southampton
Discover last-minute flight deals from Washington, D.C. to Southampton. Data last updated January 21, 2025 and is based on user searches.

Mon 1/275:10 pmIAD - SOU

1 stop10h 35mBritish Airways

Fri 1/318:40 amSOU - IAD

2 stops16h 05mBritish Airways

Deal found 1/21

$17,480

Thu 2/206:00 pmIAD - SOU

2 stops17h 00mBritish Airways

Thu 2/279:30 amSOU - IAD

1 stop11h 10mBritish Airways

Deal found 1/21

$2,146

Wed 2/265:35 pmIAD - SOU

1 stop9h 55mKLM

Sun 3/95:20 pmSOU - IAD

1 stop27h 25mKLM

Deal found 1/21

$764

Wed 2/266:00 pmIAD - SOU

2 stops20h 40mAer Lingus

Sun 3/98:10 pmSOU - IAD

2 stops28h 35mAer Lingus

Deal found 1/21

$966

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 January 21, 2025.

Wed 7/29:00 pmIAD - SOU

1 stop17h 30mAer Lingus

Deal found 1/21

$689

Find flights from Washington, D.C. to Southampton within your budget

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 3/5

5:10 pm-7:40 pm

2 stops21h 30m

Southampton Eastleigh

Wed 3/12

9:30 am-4:40 pm

2 stops35h 10m

$727

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 3/5

5:35 pm-4:50 pm

1 stop18h 15m

Southampton Eastleigh

Wed 3/12

5:20 pm-4:45 pm

1 stop27h 25m

$749

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Wed 3/5

11:35 am-8:30 am

2 stops15h 55m

Southampton Eastleigh

Wed 3/12

9:00 am-11:16 pm

2 stops18h 16m

$766

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 2/26

6:00 pm-7:40 pm

2 stops20h 40m

Southampton Eastleigh

Sun 3/9

8:10 pm-8:45 pm

2 stops28h 35m

$966

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 3/5

12:26 pm-8:30 am

2 stops15h 04m

Southampton Eastleigh

Wed 3/12

9:00 am-9:55 pm

2 stops16h 55m

$974

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 3/5

6:00 am-8:45 am

3 stops21h 45m

Southampton Eastleigh

Wed 3/12

9:30 am-11:58 pm

2 stops18h 28m

$1,022

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 3/8

8:30 pm-7:40 pm

2 stops18h 10m

Southampton Eastleigh

Sat 3/15

9:30 am-7:45 pm

2 stops38h 15m

$1,263

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 4/2

10:40 pm-7:25 pm

2 stops15h 45m

Southampton Eastleigh

Tue 4/8

9:10 am-3:50 pm

1 stop11h 40m

$2,101

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 7/2

9:20 pm-7:30 pm

2 stops17h 10m

$664

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 7/2

9:00 pm-7:30 pm

1 stop17h 30m

$689

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 11 results

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 January.

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

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.

Travel insights for flights from Washington, D.C. to Southampton

Get recent, data-driven insights about flights from Washington, D.C. to Southampton including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Washington, D.C. to Southampton?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Southampton (average of $787). Flying from Washington, D.C. 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 WAS to SOU?

When flying from Washington, D.C. to Southampton, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 23% versus a flight in the morning.

Rainfall in Southampton by month

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.

Temperature in Southampton by month

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).

Reviews of airlines servicing Southampton

To help decide which airline to fly from Washington, D.C. to Southampton, see what other customers have to say about KLM, British Airways and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,521 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

8,521 reviews

Delta

8.0

Very good

8,521 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,341 reviews

Delta

8.0

Very good

8,521 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aer Lingus

7.1

Good

1,082 reviews

Delta

8.0

Very good

8,521 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

British Airways

6.6

Okay

6,834 reviews

Delta

8.0

Very good

8,521 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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. 3 airlines have flights to Southampton Eastleigh from Washington, D.C. on a regular basis.
What are the cheapest airlines flying from Washington, D.C. to Southampton round-trip?
Cheapflights users have booked flights from Washington, D.C. to Southampton round-trip from $749. Other airlines that can offer you cheap pricing are Delta, from $766, and Aer Lingus, from $966. These flights start at 20% lower than the current average price 3 months from now.
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.
What is the cheapest month to book a flight from Washington, D.C. to Southampton?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Southampton (average of $787). Flying from Washington, D.C. 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 Washington, D.C. to Southampton

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Top 3 airlines flying from Washington, D.C. to Southampton

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest$646	Average$816	FlexibilityNo cancel fee	On-timeN/A
Delta	Cheapest$804	Average$991	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$834	Average$1,102	FlexibilityNo cancel fee	On-time70%

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$664+ Cheap flights from Washington, D.C. (WAS) 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 7/2. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

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Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Find 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 January 21, 2025.

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 January 21, 2025.

Find flights from Washington, D.C. to Southampton within your budget

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 January.

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.

Travel insights for flights from Washington, D.C. to Southampton

Get recent, data-driven insights about flights from Washington, D.C. to Southampton including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Washington, D.C. to Southampton?

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

Find hourly flight availability from Washington, D.C. 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 January 21, 2025.

Rainfall in Southampton by month

Plan your trip to Southampton by taking into account the average rainfall totals by month.

Temperature in Southampton by month

Plan your trip to Southampton by taking into account the average temperature totals by month.

Reviews of airlines servicing Southampton

To help decide which airline to fly from Washington, D.C. to Southampton, see what other customers have to say about KLM, British Airways and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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 Washington, D.C.?

What are the cheapest airlines flying 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?

What is the cheapest month to book a flight from Washington, D.C. to Southampton?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Southampton

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

Top 3 airlines 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 January 21, 2025.