Which airlines fly to Washington, D.C.?

British Airways, Virgin Atlantic and Icelandair 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 47% of people opting to fly with this airline when travelling to Washington, D.C.. Keep in mind that there are 18 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

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

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

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. are refreshed on a daily basis.

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.

£378 Cheap Flights from Southampton to Washington, D.C. in 2026

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12:25 - 19:30

SOU

IAD

12h 05m

1 stop

18:05 - 08:45

IAD

SOU

10h 40m

1 stop

£526British Airways

Wed, 4 Mar - Sun, 8 Mar

12:25 - 19:30

SOU

IAD

12h 05m

1 stop

22:00 - 19:40

IAD

SOU

17h 40m

1 stop

£528British Airways

Wed, 4 Mar - Sun, 8 Mar

12:25 - 19:30

SOU

IAD

12h 05m

1 stop

19:20 - 18:30

IAD

SOU

19h 10m

2 stops

£548British Airways

Wed, 4 Mar - Sun, 8 Mar

12:25 - 19:30

SOU

IAD

12h 05m

1 stop

19:20 - 18:30

IAD

SOU

19h 10m

2 stops

£549British Airways

Wed, 4 Mar - Sun, 8 Mar

08:55 - 19:55

SOU

IAD

16h 00m

2 stops

22:45 - 18:30

IAD

SOU

15h 45m

2 stops

£587British Airways

Wed, 4 Mar - Sun, 8 Mar

08:55 - 19:55

SOU

IAD

16h 00m

2 stops

22:45 - 18:30

IAD

SOU

15h 45m

2 stops

£589British Airways

Wed, 4 Mar - Sun, 8 Mar

08:50 - 16:05

SOU

IAD

12h 15m

1 stop

22:40 - 17:00

IAD

SOU

14h 20m

2 stops

£697KLM

Fri, 6 Mar - Fri, 13 Mar

17:35 - 16:05

SOU

IAD

27h 30m

1 stop

19:05 - 08:50

IAD

SOU

9h 45m

1 stop

£699KLM

Fri, 6 Mar - Fri, 13 Mar

08:50 - 19:09

SOU

IAD

15h 19m

2 stops

22:40 - 17:00

IAD

SOU

14h 20m

2 stops

£705KLM

Fri, 6 Mar - Fri, 13 Mar

20:10 - 18:45

SOU

BWI

27h 35m

2 stops

21:35 - 08:45

BWI

SOU

31h 10m

2 stops

£1,205Multiple Airlines

Fri, 6 Mar - Fri, 13 Mar

KLM flights from Southampton to Washington, D.C.

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

KLM

6 Mar

SOU08:50Southampton Eastleigh

12h 15m

1 stop

IAD16:05Washington, D.C. Dulles Intl

13 Mar

IAD22:40Washington, D.C. Dulles Intl

14h 20m

2 stops

SOU17:00Southampton Eastleigh

£697

KLM

6 Mar

SOU17:35Southampton Eastleigh

27h 30m

1 stop

IAD16:05Washington, D.C. Dulles Intl

13 Mar

IAD19:05Washington, D.C. Dulles Intl

9h 45m

1 stop

SOU08:50Southampton Eastleigh

£699

KLM

6 Mar

SOU08:50Southampton Eastleigh

15h 19m

2 stops

IAD19:09Washington, D.C. Dulles Intl

13 Mar

IAD22:40Washington, D.C. Dulles Intl

14h 20m

2 stops

SOU17:00Southampton Eastleigh

£705

British Airways flights from Southampton to Washington, D.C.

Our best British Airways deals on Southampton to Washington, D.C. flight tickets

British Airways

4 Mar

SOU12:25Southampton Eastleigh

12h 05m

1 stop

IAD19:30Washington, D.C. Dulles Intl

8 Mar

IAD18:05Washington, D.C. Dulles Intl

10h 40m

1 stop

SOU08:45Southampton Eastleigh

£526

British Airways

4 Mar

SOU12:25Southampton Eastleigh

12h 05m

1 stop

IAD19:30Washington, D.C. Dulles Intl

8 Mar

IAD22:00Washington, D.C. Dulles Intl

17h 40m

1 stop

SOU19:40Southampton Eastleigh

£527

British Airways

4 Mar

SOU12:25Southampton Eastleigh

12h 05m

1 stop

IAD19:30Washington, D.C. Dulles Intl

8 Mar

IAD22:00Washington, D.C. Dulles Intl

17h 40m

1 stop

SOU19:40Southampton Eastleigh

£528

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

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 4/3

12:25-19:30

1 stop12h 05m

Washington, D.C. Dulles Intl

Sun 8/3

18:05-08:45

1 stop10h 40m

£526

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 4/3

12:25-19:30

1 stop12h 05m

Washington, D.C. Dulles Intl

Sun 8/3

22:00-19:40

1 stop17h 40m

£528

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 4/3

12:25-19:30

1 stop12h 05m

Washington, D.C. Dulles Intl

Sun 8/3

19:20-18:30

2 stops19h 10m

£548

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 4/3

12:25-19:30

1 stop12h 05m

Washington, D.C. Dulles Intl

Sun 8/3

19:20-18:30

2 stops19h 10m

£549

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 4/3

08:55-19:55

2 stops16h 00m

Washington, D.C. Dulles Intl

Sun 8/3

22:45-18:30

2 stops15h 45m

£587

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 4/3

08:55-19:55

2 stops16h 00m

Washington, D.C. Dulles Intl

Sun 8/3

22:45-18:30

2 stops15h 45m

£589

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Fri 6/3

08:50-16:05

1 stop12h 15m

Washington, D.C. Dulles Intl

Fri 13/3

22:40-17:00

2 stops14h 20m

£697

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Fri 6/3

17:35-16:05

1 stop27h 30m

Washington, D.C. Dulles Intl

Fri 13/3

19:05-08:50

1 stop9h 45m

£699

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Fri 6/3

08:50-19:09

2 stops15h 19m

Washington, D.C. Dulles Intl

Fri 13/3

22:40-17:00

2 stops14h 20m

£705

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Fri 6/3

20:10-18:45

2 stops27h 35m

Baltimore/Washington

Fri 13/3

21:35-08:45

2 stops31h 10m

£1,205

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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 Thursday. momondo users have found tickets for Thursday departures for as low as £584. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Southampton because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £633.

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

At midday is the cheapest time of day to fly from Southampton to Washington, D.C. when you can find flight prices for as low as £595. Flying to Washington, D.C. at midday is an ideal time because this is during off-peak travel hours. Flights to Washington, D.C. are more costly in the afternoon, with an average ticket price of £598. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You could potentially save up to 39% 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 return 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	12h 05m
Direct flights	None

The fastest flight from Southampton to Washington, D.C. takes 12h 05m

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

How far is Southampton Eastleigh to Washington, D.C. by plane?
Washington, D.C. is 3622.6 mi away from Southampton Eastleigh. Typically, this will take 12h 05m by plane in normal conditions.
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. are refreshed on a daily basis.
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.
What is the most popular airline from Southampton to Washington, D.C.?
Based on momondo bookings for flights between Southampton and Washington, D.C., the leading airline is Aer Lingus, making up 100% of the total bookings.

Laurel

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Arlington

Linthicum Heights

Alexandria

Glen Burnie

Lutherville Timonium

Ellicott City

Cambridge

Lexington Park

Westminster

Woodbridge

Bethesda

Silver Spring

Owings Mills

National Harbor

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Southampton to Washington, D.C. . Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Southampton to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Southampton.

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

If you are not ready to book a flight from Southampton to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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Cheap flights from Southampton to Washington, D.C. from £378

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 7/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

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

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KLM flights from Southampton to Washington, D.C.

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

British Airways flights from Southampton to Washington, D.C.

Our best British Airways 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?

You could potentially save up to 39% on your flight if you consider stops on a Southampton to Washington, D.C. flight.

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

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

Which 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

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

Fastest flight time

Direct flights

How far is Southampton Eastleigh to Washington, D.C. by plane?

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

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

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

What is the most popular airline from Southampton to Washington, D.C.?

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

Why use momondo?

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

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

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

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

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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

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.