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Cheap flights from Southampton to Washington, D.C. from £505

This is the cheapest return 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 1/4. 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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Cheap return flights

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Delta Logo
17:35 - 14:47SOU-BWI
50h 12m2 stops
Delta Logo
19:45 - 17:00BWI-SOU
40h 15m2 stops
£505Delta
Find Deal
Wed, 1 Apr - Sun, 5 Apr
Delta Logo
09:20 - 11:07SOU-BWI
30h 47m2 stops
Delta Logo
19:45 - 17:00BWI-SOU
40h 15m2 stops
£508Delta
Find Deal
Wed, 1 Apr - Sun, 5 Apr
Delta Logo
17:35 - 22:59SOU-BWI
34h 24m2 stops
Delta Logo
19:45 - 17:00BWI-SOU
40h 15m2 stops
£513Delta
Find Deal
Wed, 1 Apr - Sun, 5 Apr
Aer Lingus Logo
09:30 - 19:30SOU-IAD
15h 00m1 stop
Aer Lingus Logo
21:00 - 19:40IAD-SOU
17h 40m1 stop
£544Aer Lingus
Find Deal
Sat, 6 Dec - Sat, 13 Dec
Virgin Atlantic Logo
17:35 - 15:35SOU-IAD
27h 00m1 stop
Virgin Atlantic Logo
17:50 - 17:00IAD-SOU
18h 10m1 stop
£655Virgin Atlantic
Find Deal
Wed, 1 Apr - Sun, 5 Apr
Virgin Atlantic Logo
17:35 - 18:42SOU-IAD
30h 07m2 stops
Virgin Atlantic Logo
06:10 - 17:00IAD-SOU
29h 50m2 stops
£658Virgin Atlantic
Find Deal
Wed, 1 Apr - Sun, 5 Apr
Delta Logo
09:20 - 19:20SOU-DCA
15h 00m2 stops
Delta Logo
10:35 - 08:50DCA-SOU
17h 15m2 stops
£658Delta
Find Deal
Wed, 1 Apr - Sun, 5 Apr
Virgin Atlantic Logo
17:35 - 21:13SOU-IAD
32h 38m2 stops
Virgin Atlantic Logo
19:59 - 17:00IAD-SOU
40h 01m2 stops
£710Virgin Atlantic
Find Deal
Wed, 1 Apr - Sun, 5 Apr
Multiple Airlines Logo
09:30 - 19:30SOU-IAD
15h 00m2 stops
Multiple Airlines Logo
21:45 - 08:45IAD-SOU
30h 00m2 stops
£796Multiple Airlines
Find Deal
Sat, 6 Dec - Sat, 13 Dec
Multiple Airlines Logo
17:30 - 21:00SOU-IAD
32h 30m3 stops
Multiple Airlines Logo
19:40 - 19:40IAD-SOU
19h 00m2 stops
£886Multiple Airlines
Find Deal
Sat, 6 Dec - Sat, 13 Dec

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

Our best Virgin Atlantic deals on Southampton to Washington, D.C. flight tickets
Virgin Atlantic
1 Apr
SOU17:35Southampton Eastleigh
27h 00m
1 stop
IAD15:35Washington, D.C. Dulles Intl
5 Apr
IAD17:50Washington, D.C. Dulles Intl
18h 10m
1 stop
SOU17:00Southampton Eastleigh
£655
Find similar
Virgin Atlantic
1 Apr
SOU17:35Southampton Eastleigh
30h 07m
2 stops
IAD18:42Washington, D.C. Dulles Intl
5 Apr
IAD06:10Washington, D.C. Dulles Intl
29h 50m
2 stops
SOU17:00Southampton Eastleigh
£658
Find similar
Virgin Atlantic
1 Apr
SOU17:35Southampton Eastleigh
32h 38m
2 stops
IAD21:13Washington, D.C. Dulles Intl
5 Apr
IAD19:59Washington, D.C. Dulles Intl
40h 01m
2 stops
SOU17:00Southampton Eastleigh
£710
Find similar

Delta flights from Southampton to Washington, D.C.

Our best Delta deals on Southampton to Washington, D.C. flight tickets
Delta
1 Apr
SOU17:35Southampton Eastleigh
50h 12m
2 stops
BWI14:47Baltimore/Washington
5 Apr
BWI19:45Baltimore/Washington
40h 15m
2 stops
SOU17:00Southampton Eastleigh
£505
Find similar
Delta
1 Apr
SOU09:20Southampton Eastleigh
30h 47m
2 stops
BWI11:07Baltimore/Washington
5 Apr
BWI19:45Baltimore/Washington
40h 15m
2 stops
SOU17:00Southampton Eastleigh
£508
Find similar
Delta
1 Apr
SOU17:35Southampton Eastleigh
34h 24m
2 stops
BWI22:59Baltimore/Washington
5 Apr
BWI19:45Baltimore/Washington
40h 15m
2 stops
SOU17:00Southampton Eastleigh
£513
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Southampton to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 24 October 2025.
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

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 1/4

17:35-14:47

2 stops50h 12m

Baltimore/Washington

Sun 5/4

19:45-17:00

2 stops40h 15m

£505

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 1/4

09:20-11:07

2 stops30h 47m

Baltimore/Washington

Sun 5/4

19:45-17:00

2 stops40h 15m

£508

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 1/4

17:35-22:59

2 stops34h 24m

Baltimore/Washington

Sun 5/4

19:45-17:00

2 stops40h 15m

£513

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Sat 6/12

09:30-19:30

1 stop15h 00m

Washington, D.C. Dulles Intl

Sat 13/12

21:00-19:40

1 stop17h 40m

£544

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 1/4

17:35-15:35

1 stop27h 00m

Washington, D.C. Dulles Intl

Sun 5/4

17:50-17:00

1 stop18h 10m

£655

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 1/4

17:35-18:42

2 stops30h 07m

Washington, D.C. Dulles Intl

Sun 5/4

06:10-17:00

2 stops29h 50m

£658

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Wed 1/4

09:20-19:20

2 stops15h 00m

Washington, D.C. Reagan-National

Sun 5/4

10:35-08:50

2 stops17h 15m

£658

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 1/4

17:35-21:13

2 stops32h 38m

Washington, D.C. Dulles Intl

Sun 5/4

19:59-17:00

2 stops40h 01m

£710

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Sat 6/12

09:30-19:30

2 stops15h 00m

Washington, D.C. Dulles Intl

Sat 13/12

21:45-08:45

2 stops30h 00m

£796

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Sat 6/12

17:30-21:00

3 stops32h 30m

Washington, D.C. Dulles Intl

Sat 13/12

19:40-19:40

2 stops19h 00m

£886

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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

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 £608. 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 £685.

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

In the evening is the cheapest time of day to fly from Southampton to Washington, D.C. when you can find flight prices for as low as £514. Flying to Washington, D.C. in the evening 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 £641. 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.

Direct flights

None
There are no direct flights from Southampton to Washington, D.C.. There are no popular flight routes from Southampton to Washington, D.C..
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  • 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 11h 15m 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.?

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Laurel
College Park
Alexandria
Fairfax
Linthicum Heights
Bethesda
Gettysburg
Cambridge
Ellicott City
Westminster
Arlington
Woodbridge
Owings Mills
Silver Spring
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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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.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport