Cheap flights from Southampton to Washington, D.C. from £475

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 5/2. 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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0 bags
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Cheap return flights

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Virgin Atlantic Logo
09:00 - 16:05
SOU
-
IAD
12h 05m1 stop
Virgin Atlantic Logo
06:00 - 08:25
IAD
-
SOU
21h 25m2 stops
£475Virgin Atlantic
Thu, 5 Feb - Thu, 12 Feb
Virgin Atlantic Logo
09:00 - 23:05
SOU
-
BWI
19h 05m2 stops
Virgin Atlantic Logo
13:01 - 17:05
BWI
-
SOU
23h 04m2 stops
£476Virgin Atlantic
Thu, 5 Feb - Thu, 12 Feb
Virgin Atlantic Logo
09:00 - 20:45
SOU
-
IAD
16h 45m2 stops
Virgin Atlantic Logo
06:00 - 08:25
IAD
-
SOU
21h 25m2 stops
£479Virgin Atlantic
Thu, 5 Feb - Thu, 12 Feb
Virgin Atlantic Logo
09:00 - 22:57
SOU
-
DCA
18h 57m2 stops
Virgin Atlantic Logo
09:54 - 08:25
DCA
-
SOU
17h 31m2 stops
£479Virgin Atlantic
Thu, 5 Feb - Thu, 12 Feb
Delta Logo
09:25 - 22:48
SOU
-
DCA
18h 23m2 stops
Delta Logo
12:20 - 08:50
DCA
-
SOU
15h 30m2 stops
£496Delta
Mon, 19 Jan - Sun, 25 Jan
British Airways Logo
20:10 - 15:35
SOU
-
IAD
24h 25m1 stop
British Airways Logo
17:05 - 11:55
IAD
-
SOU
13h 50m1 stop
£530British Airways
Thu, 29 Jan - Mon, 2 Feb
British Airways Logo
16:05 - 15:35
SOU
-
IAD
28h 30m1 stop
British Airways Logo
17:05 - 11:55
IAD
-
SOU
13h 50m1 stop
£532British Airways
Thu, 29 Jan - Mon, 2 Feb
Multiple Airlines Logo
17:20 - 23:23
SOU
-
DCA
35h 03m2 stops
Multiple Airlines Logo
12:05 - 08:35
DCA
-
SOU
15h 30m2 stops
£812Multiple Airlines
Thu, 11 Jun - Thu, 18 Jun
Aer Lingus Logo
20:00 - 19:40
SOU
-
BWI
28h 40m2 stops
Aer Lingus Logo
21:30 - 19:30
BWI
-
SOU
17h 00m2 stops
£983Aer Lingus
Thu, 11 Jun - Thu, 18 Jun
Multiple Airlines Logo
16:05 - 18:40
SOU
-
BWI
31h 35m3 stops
Multiple Airlines Logo
19:40 - 19:40
BWI
-
SOU
19h 00m2 stops
£1,429Multiple Airlines
Thu, 5 Feb - Thu, 12 Feb

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

Our best Virgin Atlantic deals on Southampton to Washington, D.C. flight tickets
Virgin Atlantic
5 Feb
SOU09:00Southampton Eastleigh
12h 05m
1 stop
IAD16:05Washington, D.C. Dulles Intl
12 Feb
IAD06:00Washington, D.C. Dulles Intl
21h 25m
2 stops
SOU08:25Southampton Eastleigh
Virgin Atlantic
5 Feb
SOU09:00Southampton Eastleigh
19h 05m
2 stops
BWI23:05Baltimore/Washington
12 Feb
BWI13:01Baltimore/Washington
23h 04m
2 stops
SOU17:05Southampton Eastleigh
Virgin Atlantic
5 Feb
SOU09:00Southampton Eastleigh
16h 45m
2 stops
IAD20:45Washington, D.C. Dulles Intl
12 Feb
IAD06:00Washington, D.C. Dulles Intl
21h 25m
2 stops
SOU08:25Southampton Eastleigh

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

Our best British Airways deals on Southampton to Washington, D.C. flight tickets
British Airways
29 Jan
SOU20:10Southampton Eastleigh
24h 25m
1 stop
IAD15:35Washington, D.C. Dulles Intl
2 Feb
IAD17:05Washington, D.C. Dulles Intl
13h 50m
1 stop
SOU11:55Southampton Eastleigh
British Airways
29 Jan
SOU16:05Southampton Eastleigh
28h 30m
1 stop
IAD15:35Washington, D.C. Dulles Intl
2 Feb
IAD17:05Washington, D.C. Dulles Intl
13h 50m
1 stop
SOU11:55Southampton Eastleigh
British Airways
29 Jan
SOU16:05Southampton Eastleigh
28h 30m
1 stop
IAD15:35Washington, D.C. Dulles Intl
2 Feb
IAD21:45Washington, D.C. Dulles Intl
33h 00m
2 stops
SOU11:45Southampton Eastleigh

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 23 December 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

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Thu 5/2

09:00-16:05

1 stop12h 05m

Washington, D.C. Dulles Intl

Thu 12/2

06:00-08:25

2 stops21h 25m

£475

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 5/2

09:00-23:05

2 stops19h 05m

Baltimore/Washington

Thu 12/2

13:01-17:05

2 stops23h 04m

£476

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Thu 5/2

09:00-20:45

2 stops16h 45m

Washington, D.C. Dulles Intl

Thu 12/2

06:00-08:25

2 stops21h 25m

£479

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Thu 5/2

09:00-22:57

2 stops18h 57m

Washington, D.C. Reagan-National

Thu 12/2

09:54-08:25

2 stops17h 31m

£479

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Mon 19/1

09:25-22:48

2 stops18h 23m

Washington, D.C. Reagan-National

Sun 25/1

12:20-08:50

2 stops15h 30m

£496

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Thu 29/1

20:10-15:35

1 stop24h 25m

Washington, D.C. Dulles Intl

Mon 2/2

17:05-11:55

1 stop13h 50m

£530

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Thu 29/1

16:05-15:35

1 stop28h 30m

Washington, D.C. Dulles Intl

Mon 2/2

17:05-11:55

1 stop13h 50m

£532

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Thu 11/6

17:20-23:23

2 stops35h 03m

Washington, D.C. Reagan-National

Thu 18/6

12:05-08:35

2 stops15h 30m

£812

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 11/6

20:00-19:40

2 stops28h 40m

Baltimore/Washington

Thu 18/6

21:30-19:30

2 stops17h 00m

£983

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 5/2

16:05-18:40

3 stops31h 35m

Baltimore/Washington

Thu 12/2

19:40-19:40

2 stops19h 00m

£1,429

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 Thursday. momondo users have found tickets for Thursday departures for as low as £587. 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 £645.

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 £511. 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 £608. 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..
  • 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.?

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
Arlington
Linthicum Heights
Bethesda
Glen Burnie
Lutherville Timonium
Ellicott City
Cambridge
Westminster
Woodbridge
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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1 adult
Thu 22/1
Thu 29/1

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.