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.?

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 46% 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.

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.

£420 Cheap Flights from Southampton to Washington, D.C. in 2026

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One-way

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Cheap return flights

Enter your travel dates to find the best prices.

09:10 - 19:25

SOU

BWI

15h 15m

2 stops

20:30 - 16:50

BWI

SOU

15h 20m

2 stops

£576Multiple Airlines

Sat, 18 Apr - Sat, 25 Apr

20:00 - 15:45

SOU

IAD

24h 45m

1 stop

17:15 - 08:40

IAD

SOU

10h 25m

1 stop

£700Aer Lingus

Mon, 30 Mar - Mon, 6 Apr

09:10 - 19:25

SOU

BWI

15h 15m

2 stops

20:30 - 07:30

BWI

SOU

30h 00m

3 stops

£709Multiple Airlines

Sat, 18 Apr - Sat, 25 Apr

19:55 - 19:40

SOU

BWI

28h 45m

2 stops

21:30 - 19:25

BWI

SOU

16h 55m

2 stops

£716British Airways

Fri, 1 May - Mon, 4 May

19:55 - 19:40

SOU

BWI

28h 45m

2 stops

21:30 - 19:25

BWI

SOU

16h 55m

2 stops

£718British Airways

Fri, 1 May - Mon, 4 May

19:55 - 19:40

SOU

BWI

28h 45m

2 stops

21:30 - 19:25

BWI

SOU

16h 55m

2 stops

£719British Airways

Fri, 1 May - Mon, 4 May

09:10 - 15:45

SOU

IAD

11h 35m

1 stop

17:15 - 08:40

IAD

SOU

10h 25m

1 stop

£726British Airways

Wed, 15 Apr - Sun, 19 Apr

09:10 - 15:45

SOU

IAD

11h 35m

1 stop

22:15 - 08:25

IAD

SOU

29h 10m

2 stops

£742British Airways

Wed, 15 Apr - Sun, 19 Apr

18:20 - 19:40

SOU

BWI

30h 20m

2 stops

21:30 - 20:55

BWI

SOU

18h 25m

2 stops

£744British Airways

Mon, 30 Mar - Mon, 6 Apr

17:20 - 22:50

SOU

DCA

34h 30m

2 stops

09:35 - 16:50

DCA

SOU

26h 15m

2 stops

£843Virgin Atlantic

Sat, 18 Apr - Sat, 25 Apr

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

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

Aer Lingus

18 Apr

SOU09:10Southampton Eastleigh

15h 00m

1 stop

IAD19:10Washington, D.C. Dulles Intl

25 Apr

IAD17:40Washington, D.C. Dulles Intl

20h 50m

2 stops

SOU19:30Southampton Eastleigh

£554

Aer Lingus

18 Apr

SOU09:10Southampton Eastleigh

15h 00m

1 stop

IAD19:10Washington, D.C. Dulles Intl

25 Apr

IAD20:40Washington, D.C. Dulles Intl

31h 00m

1 stop

SOU08:40Southampton Eastleigh

£580

Aer Lingus

10 Mar

SOU12:25Southampton Eastleigh

12h 05m

1 stop

IAD20:30Washington, D.C. Dulles Intl

21 Mar

IAD18:05Washington, D.C. Dulles Intl

10h 40m

1 stop

SOU08:45Southampton Eastleigh

£693

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

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

British Airways

1 May

SOU19:55Southampton Eastleigh

28h 45m

2 stops

BWI19:40Baltimore/Washington

4 May

BWI21:30Baltimore/Washington

16h 55m

2 stops

SOU19:25Southampton Eastleigh

£716

British Airways

1 May

SOU19:55Southampton Eastleigh

28h 45m

2 stops

BWI19:40Baltimore/Washington

4 May

BWI21:30Baltimore/Washington

16h 55m

2 stops

SOU19:25Southampton Eastleigh

£718

British Airways

1 May

SOU19:55Southampton Eastleigh

28h 45m

2 stops

BWI19:40Baltimore/Washington

4 May

BWI21:30Baltimore/Washington

16h 55m

2 stops

SOU19:25Southampton Eastleigh

£719

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 return flight

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sat 18/4

09:10-19:25

2 stops15h 15m

Baltimore/Washington

Sat 25/4

20:30-16:50

2 stops15h 20m

£576

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Mon 30/3

20:00-15:45

1 stop24h 45m

Washington, D.C. Dulles Intl

Mon 6/4

17:15-08:40

1 stop10h 25m

£700

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sat 18/4

09:10-19:25

2 stops15h 15m

Baltimore/Washington

Sat 25/4

20:30-07:30

3 stops30h 00m

£709

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Fri 1/5

19:55-19:40

2 stops28h 45m

Baltimore/Washington

Mon 4/5

21:30-19:25

2 stops16h 55m

£716

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Fri 1/5

19:55-19:40

2 stops28h 45m

Baltimore/Washington

Mon 4/5

21:30-19:25

2 stops16h 55m

£718

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Fri 1/5

19:55-19:40

2 stops28h 45m

Baltimore/Washington

Mon 4/5

21:30-19:25

2 stops16h 55m

£719

Fastest return journey

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 15/4

09:10-15:45

1 stop11h 35m

Washington, D.C. Dulles Intl

Sun 19/4

17:15-08:40

1 stop10h 25m

£726

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 15/4

09:10-15:45

1 stop11h 35m

Washington, D.C. Dulles Intl

Sun 19/4

22:15-08:25

2 stops29h 10m

£742

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Mon 30/3

18:20-19:40

2 stops30h 20m

Baltimore/Washington

Mon 6/4

21:30-20:55

2 stops18h 25m

£744

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Sat 18/4

17:20-22:50

2 stops34h 30m

Washington, D.C. Reagan-National

Sat 25/4

09:35-16:50

2 stops26h 15m

£843

Flights are sorted by cheapest return 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 Thursday. momondo users have found tickets for Thursday departures for as low as £579. 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 £627.

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 £589. 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 morning, with an average ticket price of £597. Departure times in the morning 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 8% 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	15h 05m
Direct flights	None

The fastest flight from Southampton to Washington, D.C. takes 15h 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 15h 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.

Laurel

College Park

Arlington

Fairfax

Linthicum Heights

Alexandria

Glen Burnie

Lutherville Timonium

Ellicott City

Cambridge

Lexington Park

Westminster

Woodbridge

Bethesda

Silver Spring

Rockville

Owings Mills

Landover

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.

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

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Feeling lucky

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 £420

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 3/5. 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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Big names, great deals

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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

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?

What is the cheapest airline that flies 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

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

Why use momondo?

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.

Fly your favourite 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.

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