What is the cheapest airline that flies from Southampton Eastleigh to Washington, D.C.?

Aer Lingus, British Airways, and Delta are the most popular carriers operating from Southampton Eastleigh to Washington, D.C.

What airlines fly to Washington, D.C.?

British Airways, Lufthansa and American Airlines are the top three most popular airlines that fly to Washington, D.C. from Southampton according to our data. British Airways is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 10 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Southampton Eastleigh Airport to Washington, D.C.?

Prices for flights from Southampton Eastleigh Airport to Washington, D.C. were last updated today.

How old do you have to be to fly from Southampton Eastleigh Airport to Washington, D.C.?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Southampton Eastleigh Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$541 Cheap Flights from Southampton to Washington, D.C. in 2026

Find the cheapest flights from Southampton to Washington, D.C.

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 pm - 6:50 pm

SOU

IAD

27h 50m

2 stops

5:00 pm - 4:50 pm

IAD

SOU

18h 50m

2 stops

$695Aer Lingus

Mon, Sep 7 - Mon, Sep 14

9:20 am - 7:25 pm

SOU

IAD

15h 05m

1 stop

5:15 pm - 4:50 pm

IAD

SOU

18h 35m

1 stop

$712Aer Lingus

Mon, Sep 7 - Mon, Sep 14

9:20 am - 3:45 pm

SOU

IAD

11h 25m

1 stop

5:00 pm - 7:30 pm

IAD

SOU

21h 30m

2 stops

$718Aer Lingus

Mon, Sep 7 - Mon, Sep 14

8:40 am - 11:04 pm

SOU

BWI

18h 24m

2 stops

6:10 am - 8:10 am

BWI

SOU

21h 00m

2 stops

$865Delta

Thu, Oct 29 - Thu, Nov 5

9:05 am - 10:31 pm

SOU

BWI

18h 26m

2 stops

7:40 pm - 4:50 pm

BWI

SOU

16h 10m

2 stops

$866Delta

Mon, Oct 5 - Sun, Oct 11

5:20 pm - 11:24 pm

SOU

BWI

35h 04m

2 stops

12:15 pm - 8:55 am

BWI

SOU

15h 40m

2 stops

$911Virgin Atlantic

Thu, Oct 1 - Fri, Nov 6

9:20 am - 10:31 pm

SOU

DCA

18h 11m

2 stops

12:55 pm - 7:30 pm

DCA

SOU

25h 35m

3 stops

$994Multiple Airlines

Sat, Sep 5 - Sat, Sep 12

9:20 am - 9:48 pm

SOU

DCA

17h 28m

3 stops

12:55 pm - 7:30 pm

DCA

SOU

25h 35m

3 stops

$1,011Multiple Airlines

Sat, Sep 5 - Sat, Sep 12

6:45 am - 7:35 pm

SOU

BWI

17h 50m

2 stops

9:30 pm - 5:45 pm

BWI

SOU

15h 15m

2 stops

$1,175British Airways

Thu, Oct 8 - Tue, Oct 13

8:55 am - 7:40 pm

SOU

BWI

15h 45m

2 stops

9:30 pm - 5:45 pm

BWI

SOU

15h 15m

2 stops

$1,244British Airways

Tue, Oct 6 - Tue, Oct 20

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Aer Lingus flights from Southampton to Washington, D.C.

Our best Aer Lingus deals on Southampton to Washington, D.C. flight tickets

Aer Lingus

Sep 7

SOU8:00 pmSouthampton Eastleigh

27h 50m

2 stops

IAD6:50 pmWashington, D.C. Dulles Intl

Sep 14

IAD5:00 pmWashington, D.C. Dulles Intl

18h 50m

2 stops

SOU4:50 pmSouthampton Eastleigh

$695

Aer Lingus

Sep 7

SOU9:20 amSouthampton Eastleigh

15h 05m

1 stop

IAD7:25 pmWashington, D.C. Dulles Intl

Sep 14

IAD5:15 pmWashington, D.C. Dulles Intl

18h 35m

1 stop

SOU4:50 pmSouthampton Eastleigh

$712

Aer Lingus

Sep 7

SOU9:20 amSouthampton Eastleigh

11h 25m

1 stop

IAD3:45 pmWashington, D.C. Dulles Intl

Sep 14

IAD5:00 pmWashington, D.C. Dulles Intl

21h 30m

2 stops

SOU7:30 pmSouthampton Eastleigh

$718

Virgin Atlantic flights from Southampton to Washington, D.C.

Our best Virgin Atlantic deals on Southampton to Washington, D.C. flight tickets

Virgin Atlantic

Oct 1

SOU9:05 amSouthampton Eastleigh

19h 09m

2 stops

IAD11:14 pmWashington, D.C. Dulles Intl

Nov 6

IAD6:15 pmWashington, D.C. Dulles Intl

17h 45m

1 stop

SOU5:00 pmSouthampton Eastleigh

$873

Virgin Atlantic

Oct 1

SOU9:05 amSouthampton Eastleigh

31h 40m

2 stops

IAD11:45 amWashington, D.C. Dulles Intl

Nov 6

IAD8:00 amWashington, D.C. Dulles Intl

28h 00m

2 stops

SOU5:00 pmSouthampton Eastleigh

$902

Virgin Atlantic

Oct 1

SOU5:20 pmSouthampton Eastleigh

35h 04m

2 stops

BWI11:24 pmBaltimore/Washington

Nov 6

BWI12:15 pmBaltimore/Washington

15h 40m

2 stops

SOU8:55 amSouthampton Eastleigh

$911

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Mon 9/7

8:00 pm-6:50 pm

2 stops27h 50m

Washington, D.C. Dulles Intl

Mon 9/14

5:00 pm-4:50 pm

2 stops18h 50m

$695

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Mon 9/7

9:20 am-7:25 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Mon 9/14

5:15 pm-4:50 pm

1 stop18h 35m

$712

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Mon 9/7

9:20 am-3:45 pm

1 stop11h 25m

Washington, D.C. Dulles Intl

Mon 9/14

5:00 pm-7:30 pm

2 stops21h 30m

$718

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 10/29

8:40 am-11:04 pm

2 stops18h 24m

Baltimore/Washington

Thu 11/5

6:10 am-8:10 am

2 stops21h 00m

$865

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Mon 10/5

9:05 am-10:31 pm

2 stops18h 26m

Baltimore/Washington

Sun 10/11

7:40 pm-4:50 pm

2 stops16h 10m

$866

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 10/1

5:20 pm-11:24 pm

2 stops35h 04m

Baltimore/Washington

Fri 11/6

12:15 pm-8:55 am

2 stops15h 40m

$911

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Sat 9/5

9:20 am-10:31 pm

2 stops18h 11m

Washington, D.C. Reagan-National

Sat 9/12

12:55 pm-7:30 pm

3 stops25h 35m

$994

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Sat 9/5

9:20 am-9:48 pm

3 stops17h 28m

Washington, D.C. Reagan-National

Sat 9/12

12:55 pm-7:30 pm

3 stops25h 35m

$1,011

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 10/8

6:45 am-7:35 pm

2 stops17h 50m

Baltimore/Washington

Tue 10/13

9:30 pm-5:45 pm

2 stops15h 15m

$1,175

Quickest round-trip

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Tue 10/6

8:55 am-7:40 pm

2 stops15h 45m

Baltimore/Washington

Tue 10/20

9:30 pm-5:45 pm

2 stops15h 15m

$1,244

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Southampton to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Southampton is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $739. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Southampton to Washington, D.C. for around $909.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the morning is the cheapest time of day to fly from Southampton to Washington, D.C. when you can find flight prices for as low as $789. Flying to Washington, D.C. in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $805. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Southampton to Washington, D.C. flights?

You could potentially save up to 33% on your flight if you consider stops on a Southampton to Washington, D.C. flight.

When to book flights from Southampton to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Southampton to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Southampton to Washington, D.C. (SOU to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Southampton to Washington, D.C.

Fastest flight time	11h 25m
Direct flights	None

The fastest flight from Southampton to Washington, D.C. takes 11h 25m

There are no direct flights from Southampton to Washington, D.C.. There are no popular flight routes from Southampton to Washington, D.C..

Search flight deals

Frequently asked questions about flying from Southampton to Washington, D.C.

How far is Southampton Eastleigh to Washington, D.C. by plane?
A flight from Southampton Eastleigh to Washington, D.C. will travel around 3622.6 mi. A reasonable flight in good conditions will take 11h 25m.
When did momondo last update prices for flights from Southampton Eastleigh Airport to Washington, D.C.?
Prices for flights from Southampton Eastleigh Airport to Washington, D.C. were last updated today.
How old do you have to be to fly from Southampton Eastleigh Airport to Washington, D.C.?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Southampton Eastleigh Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Alexandria

National Harbor

Arlington

Gettysburg

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Linthicum Heights

Rockville

Manassas

Silver Spring

Towson

Colonial Beach

Springfield

Fairfax

Tysons

Bethesda

Edgewood

Why use momondo?

Why should I use momondo to find a flight deal from Southampton to Washington, D.C.?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Southampton to Washington, D.C.. momondo saves you time and could save you money on your trip.

Can I find flights from Southampton to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Southampton on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Southampton to Washington, D.C.?

Once all potential Southampton to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Southampton to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Southampton to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Southampton to Washington, D.C. from $541

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Southampton to Washington, D.C. departing on 11/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Aer Lingus flights from Southampton to Washington, D.C.

Our best Aer Lingus deals on Southampton to Washington, D.C. flight tickets

Virgin Atlantic flights from Southampton to Washington, D.C.

Our best Virgin Atlantic deals on Southampton to Washington, D.C. flight tickets

momondo Fare Finder

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

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Southampton to Washington, D.C.

What is the cheapest day to depart on your flight to Washington, D.C.?

What is the cheapest time of day to depart on your flight to Washington, D.C.?

Can stopping save me money on Southampton to Washington, D.C. flights?

What is the cheapest airline that flies from Southampton Eastleigh to Washington, D.C.?

What airlines fly to Washington, D.C.?

When to book flights from Southampton to Washington, D.C.

Cheap Southampton to Washington, D.C. (SOU to WAS) flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from Southampton to Washington, D.C.

Traveling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. trip

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Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

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