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Cheap flights from Southampton to Washington, D.C. from £446

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 23/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
09:05 - 21:45SOU  Southampton Eastleigh-DCA Washington, D.C. Reagan-National
17h 40m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
Delta Logo
11:50 - 08:35DCA  Washington, D.C. Reagan-National-SOU Southampton Eastleigh
15h 45m2 stops Boston Logan Intl Amsterdam Schiphol
£669Delta
Tue, 1 Sep - Mon, 7 Sep
Delta Logo
08:40 - 22:03SOU  Southampton Eastleigh-DCA Washington, D.C. Reagan-National
18h 23m2 stops Amsterdam Schiphol Boston Logan Intl
Delta Logo
12:59 - 08:10DCA  Washington, D.C. Reagan-National-SOU Southampton Eastleigh
14h 11m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
£734Delta
Fri, 18 Dec - Thu, 24 Dec
Multiple Airlines Logo
17:20 - 22:31SOU  Southampton Eastleigh-DCA Washington, D.C. Reagan-National
34h 11m3 stops Amsterdam Schiphol Dublin Toronto Pearson Intl
Multiple Airlines Logo
06:00 - 19:30DCA  Washington, D.C. Reagan-National-SOU Southampton Eastleigh
32h 30m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Dublin
£899Multiple Airlines
Tue, 1 Sep - Mon, 7 Sep
Multiple Airlines Logo
09:15 - 22:31SOU  Southampton Eastleigh-DCA Washington, D.C. Reagan-National
18h 16m2 stops Dublin Toronto Pearson Intl
Multiple Airlines Logo
06:00 - 19:30DCA  Washington, D.C. Reagan-National-SOU Southampton Eastleigh
32h 30m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Dublin
£1,042Multiple Airlines
Tue, 1 Sep - Mon, 7 Sep

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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
1 Sept
SOU09:05Southampton Eastleigh
17h 40m
2 stops
DCA21:45Washington, D.C. Reagan-National
7 Sept
DCA11:50Washington, D.C. Reagan-National
15h 45m
2 stops
SOU08:35Southampton Eastleigh
£669
Delta
18 Dec
SOU08:40Southampton Eastleigh
18h 23m
2 stops
DCA22:03Washington, D.C. Reagan-National
24 Dec
DCA12:59Washington, D.C. Reagan-National
14h 11m
2 stops
SOU08:10Southampton Eastleigh
£734

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 12 August 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 Southampton Eastleigh - DCA Washington, D.C. Reagan-National

SOUDCA

Southampton Eastleigh

Tue 1/9

09:05-21:45

2 stops17h 40m

Washington, D.C. Reagan-National

Mon 7/9

11:50-08:35

2 stops15h 45m

£669
Fastest return journey

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - DCA Washington, D.C. Reagan-National

SOUDCA

Southampton Eastleigh

Fri 18/12

08:40-22:03

2 stops18h 23m

Washington, D.C. Reagan-National

Thu 24/12

12:59-08:10

2 stops14h 11m

£734

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - DCA Washington, D.C. Reagan-National

SOUDCA

Southampton Eastleigh

Tue 1/9

17:20-22:31

3 stops34h 11m

Washington, D.C. Reagan-National

Mon 7/9

06:00-19:30

3 stops32h 30m

£899

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - DCA Washington, D.C. Reagan-National

SOUDCA

Southampton Eastleigh

Tue 1/9

09:15-22:31

2 stops18h 16m

Washington, D.C. Reagan-National

Mon 7/9

06:00-19:30

3 stops32h 30m

£1,042
Cheapest one-way
Fastest single journey

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - DCA Washington, D.C. Reagan-National

SOUDCA

Southampton Eastleigh

Mon 23/11

08:40-17:59

2 stops14h 19m

£446

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - DCA Washington, D.C. Reagan-National

SOUDCA

Southampton Eastleigh

Mon 23/11

08:40-17:59

2 stops14h 19m

£447

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - DCA Washington, D.C. Reagan-National

SOUDCA

Southampton Eastleigh

Sun 13/9

20:00-21:50

3 stops30h 50m

£575

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - DCA Washington, D.C. Reagan-National

SOUDCA

Southampton Eastleigh

Sun 13/9

20:00-19:59

2 stops28h 59m

£643

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

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

Delta is the most popular carrier operating from Southampton Eastleigh to Washington, D.C. Reagan-National

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

British Airways, Virgin Atlantic and American Airlines 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 31% of people opting to fly with this airline when travelling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 5 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

17h 40m

Direct flights

None
The fastest flight from Southampton to Washington, D.C. Reagan-National Airport takes 17h 40m
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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Frequently asked questions about flying from Southampton to Washington, D.C. Reagan-National Airport

  • 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 17h 40m 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
Alexandria
College Park
Springfield
Fairfax
Arlington
Gettysburg
Linthicum Heights
National Harbor
Ellicott City
Cambridge
Glen Burnie
Westminster
Laurel
Lutherville Timonium
Lexington Park
Woodbridge
Bethesda
Silver Spring
Rockville
Landover

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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