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Cheap flights from Southampton to Washington, D.C. from £473

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 2/2. 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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Find the cheapest flights from Southampton to Washington, D.C.

Cheap return flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
09:25 - 21:34
SOU
-
DCA
17h 09m2 stops
Virgin Atlantic Logo
13:40 - 08:50
DCA
-
SOU
14h 10m2 stops
£473Virgin Atlantic
Mon, 2 Feb - Mon, 9 Feb
Delta Logo
09:25 - 22:48
SOU
-
DCA
18h 23m2 stops
Delta Logo
12:20 - 08:50
DCA
-
SOU
15h 30m2 stops
£498Delta
Mon, 19 Jan - Sun, 25 Jan
Multiple Airlines Logo
19:55 - 19:32
SOU
-
DCA
28h 37m3 stops
Multiple Airlines Logo
06:00 - 17:30
DCA
-
SOU
30h 30m3 stops
£1,003Multiple Airlines
Mon, 2 Feb - Mon, 9 Feb
British Airways Logo
15:00 - 22:03
SOU
-
DCA
36h 03m2 stops
British Airways Logo
10:12 - 15:35
DCA
-
SOU
24h 23m2 stops
£3,146British Airways
Thu, 5 Feb - Mon, 9 Feb

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 21 December 2025.
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

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Mon 2/2

09:25-21:34

2 stops17h 09m

Washington, D.C. Reagan-National

Mon 9/2

13:40-08:50

2 stops14h 10m

£473

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

£498

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Mon 2/2

19:55-19:32

3 stops28h 37m

Washington, D.C. Reagan-National

Mon 9/2

06:00-17:30

3 stops30h 30m

£1,003

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Thu 5/2

15:00-22:03

2 stops36h 03m

Washington, D.C. Reagan-National

Mon 9/2

10:12-15:35

2 stops24h 23m

£3,146

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Fri 29/5

09:25-07:40

3 stops27h 15m

£519

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Fri 29/5

09:10-22:59

2 stops18h 49m

£543

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 day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Southampton to Washington, D.C. Reagan-National Airport is on a Thursday. Travellers who choose to depart for Washington, D.C. Reagan-National Airport on a Thursday will often find tickets for as low as £559. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Reagan-National Airport on Saturday is £621.

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

Our data shows that the cheapest Southampton to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the morning. Our users have found flights to Washington, D.C. Reagan-National Airport in the morning for as low as £573. Try not to purchase tickets in the evening because they tend to be around £634. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 09m

Direct flights

None
The fastest flight from Southampton to Washington, D.C. Reagan-National Airport takes 17h 09m
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 17h 09m 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
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.?

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.

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