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Cheap flights from Southampton to Washington, D.C. from £711

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 20/5. 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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0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
17:20 - 22:50
SOU
-
DCA
34h 30m
2 stops
Virgin Atlantic Logo
20:38 - 08:35
DCA
-
SOU
30h 57m
2 stops
£804Virgin Atlantic
Sun, 26 Apr - Sun, 3 May
Multiple Airlines Logo
09:20 - 22:43
SOU
-
DCA
42h 23m
3 stops
Multiple Airlines Logo
12:45 - 16:50
DCA
-
SOU
23h 05m
3 stops
£992Multiple Airlines
Sun, 26 Apr - Sun, 3 May
Delta Logo
09:15 - 22:41
SOU
-
DCA
18h 26m
2 stops
Delta Logo
10:05 - 08:35
DCA
-
SOU
17h 30m
2 stops
£1,040Delta
Sun, 26 Apr - Sun, 3 May

Delta flights from Southampton to Washington, D.C. Reagan-National Airport

Our best Delta deals on Southampton to Washington, D.C. Reagan-National Airport flight tickets
Delta
29 Apr
SOU09:05Southampton Eastleigh
18h 17m
2 stops
DCA22:22Washington, D.C. Reagan-National
6 May
DCA11:48Washington, D.C. Reagan-National
15h 47m
2 stops
SOU08:35Southampton Eastleigh
£776
Delta
26 Apr
SOU09:15Southampton Eastleigh
18h 26m
2 stops
DCA22:41Washington, D.C. Reagan-National
3 May
DCA10:05Washington, D.C. Reagan-National
17h 30m
2 stops
SOU08:35Southampton Eastleigh
£1,040

momondo Fare Finder

 
Customise your flight search to find flights from Southampton to Washington, D.C. Reagan-National Airport 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 15 March 2026.
Use the filters below to find and compare flights from Southampton to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Sun 26/4

17:20-22:50

2 stops34h 30m

Washington, D.C. Reagan-National

Sun 3/5

20:38-08:35

2 stops30h 57m

£804

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Sun 26/4

09:20-22:43

3 stops42h 23m

Washington, D.C. Reagan-National

Sun 3/5

12:45-16:50

3 stops23h 05m

£992
Fastest return journey

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Sun 26/4

09:15-22:41

2 stops18h 26m

Washington, D.C. Reagan-National

Sun 3/5

10:05-08:35

2 stops17h 30m

£1,040
Cheapest one-way
Fastest single journey

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Wed 20/5

09:20-22:15

2 stops17h 55m

£711

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Southampton to Washington, D.C. Reagan-National Airport

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

Which airlines fly to Washington, D.C. Reagan-National Airport?

British Airways, JetBlue and Virgin Atlantic are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from Southampton according to our data. British Airways is the first choice among our users, with 37% of people opting to fly with this airline when travelling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 6 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Southampton to Washington, D.C. Reagan-National Airport

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

Cheap Southampton to Washington, D.C. Reagan-National Airport (SOU to DCA) flight deals and tips

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

Fastest flight time

18h 26m

Direct flights

None
The fastest flight from Southampton to Washington, D.C. Reagan-National Airport takes 18h 26m
There are no direct flights from Southampton to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Southampton to Washington, D.C. Reagan-National Airport.
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  • How far is Southampton Eastleigh to Washington, D.C. Reagan-National by plane?

    Washington, D.C. Reagan-National is 3625.1 mi away from Southampton Eastleigh. Typically, this will take 18h 26m by plane in normal conditions.

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

    Prices for flights from Southampton Eastleigh Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Southampton Eastleigh Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The required travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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
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.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Southampton to Washington, D.C. for you.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Southampton with this policy.

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

momondo helps you find the best flight between Southampton and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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 simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Southampton and alert you when they change.

An easier way to manage your Washington, D.C. Reagan-National Airport trip

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