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Cheap flights from Southampton to Washington, D.C. from $677

This is the cheapest round-trip 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 4/1. 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 round-trip flights

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Delta Logo
9:20 am - 11:07 amSOU-BWI
30h 47m2 stops
Delta Logo
7:45 pm - 5:00 pmBWI-SOU
40h 15m2 stops
$677Delta
Find Deal
Wed, Apr 1 - Sun, Apr 5
Delta Logo
5:35 pm - 10:59 pmSOU-BWI
34h 24m2 stops
Delta Logo
7:45 pm - 5:00 pmBWI-SOU
40h 15m2 stops
$684Delta
Find Deal
Wed, Apr 1 - Sun, Apr 5
Delta Logo
9:20 am - 10:59 pmSOU-BWI
18h 39m2 stops
Delta Logo
11:00 am - 5:00 pmBWI-SOU
25h 00m2 stops
$685Delta
Find Deal
Wed, Apr 1 - Sun, Apr 5
Aer Lingus Logo
9:30 am - 7:30 pmSOU-IAD
15h 00m1 stop
Aer Lingus Logo
9:00 pm - 7:40 pmIAD-SOU
17h 40m1 stop
$726Aer Lingus
Find Deal
Sat, Dec 6 - Sat, Dec 13
Virgin Atlantic Logo
8:40 am - 4:05 pmSOU-IAD
12h 25m1 stop
Virgin Atlantic Logo
6:05 pm - 8:50 amIAD-SOU
9h 45m1 stop
$813Virgin Atlantic
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Fri, Dec 5 - Fri, Dec 12
Virgin Atlantic Logo
8:40 am - 12:12 amSOU-IAD
20h 32m2 stops
Virgin Atlantic Logo
6:05 pm - 8:50 amIAD-SOU
9h 45m1 stop
$819Virgin Atlantic
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Fri, Dec 5 - Fri, Dec 12
Delta Logo
8:40 am - 11:58 pmSOU-DCA
20h 18m2 stops
Delta Logo
11:13 am - 8:50 amDCA-SOU
16h 37m2 stops
$925Delta
Find Deal
Fri, Dec 5 - Fri, Dec 12
Virgin Atlantic Logo
5:35 pm - 9:13 pmSOU-IAD
32h 38m2 stops
Virgin Atlantic Logo
7:59 pm - 5:00 pmIAD-SOU
40h 01m2 stops
$947Virgin Atlantic
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Wed, Apr 1 - Sun, Apr 5
Multiple Airlines Logo
9:30 am - 7:30 pmSOU-IAD
15h 00m2 stops
Multiple Airlines Logo
9:45 pm - 8:45 amIAD-SOU
30h 00m2 stops
$1,062Multiple Airlines
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Sat, Dec 6 - Sat, Dec 13
Multiple Airlines Logo
8:10 pm - 3:35 pmSOU-IAD
24h 25m2 stops
Multiple Airlines Logo
5:05 pm - 12:05 pmIAD-SOU
14h 00m2 stops
$1,104Multiple Airlines
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Fri, Dec 5 - Fri, Dec 12

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

Our best Virgin Atlantic deals on Southampton to Washington, D.C. flight tickets
Virgin Atlantic
Dec 5
SOU8:40 amSouthampton Eastleigh
12h 25m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Dec 12
IAD6:05 pmWashington, D.C. Dulles Intl
9h 45m
1 stop
SOU8:50 amSouthampton Eastleigh
$813
Find similar
Virgin Atlantic
Dec 5
SOU8:40 amSouthampton Eastleigh
20h 32m
2 stops
IAD12:12 amWashington, D.C. Dulles Intl
Dec 12
IAD6:05 pmWashington, D.C. Dulles Intl
9h 45m
1 stop
SOU8:50 amSouthampton Eastleigh
$819
Find similar
Virgin Atlantic
Apr 1
SOU5:35 pmSouthampton Eastleigh
32h 38m
2 stops
IAD9:13 pmWashington, D.C. Dulles Intl
Apr 5
IAD7:59 pmWashington, D.C. Dulles Intl
40h 01m
2 stops
SOU5:00 pmSouthampton Eastleigh
$947
Find similar

Delta flights from Southampton to Washington, D.C.

Our best Delta deals on Southampton to Washington, D.C. flight tickets
Delta
Apr 1
SOU9:20 amSouthampton Eastleigh
30h 47m
2 stops
BWI11:07 amBaltimore/Washington
Apr 5
BWI7:45 pmBaltimore/Washington
40h 15m
2 stops
SOU5:00 pmSouthampton Eastleigh
$677
Find similar
Delta
Apr 1
SOU5:35 pmSouthampton Eastleigh
34h 24m
2 stops
BWI10:59 pmBaltimore/Washington
Apr 5
BWI7:45 pmBaltimore/Washington
40h 15m
2 stops
SOU5:00 pmSouthampton Eastleigh
$684
Find similar
Delta
Apr 1
SOU9:20 amSouthampton Eastleigh
18h 39m
2 stops
BWI10:59 pmBaltimore/Washington
Apr 5
BWI11:00 amBaltimore/Washington
25h 00m
2 stops
SOU5:00 pmSouthampton Eastleigh
$685
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated October 23, 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 4/1

9:20 am-11:07 am

2 stops30h 47m

Baltimore/Washington

Sun 4/5

7:45 pm-5:00 pm

2 stops40h 15m

$677

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 4/1

5:35 pm-10:59 pm

2 stops34h 24m

Baltimore/Washington

Sun 4/5

7:45 pm-5:00 pm

2 stops40h 15m

$684

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 4/1

9:20 am-10:59 pm

2 stops18h 39m

Baltimore/Washington

Sun 4/5

11:00 am-5:00 pm

2 stops25h 00m

$685

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Sat 12/6

9:30 am-7:30 pm

1 stop15h 00m

Washington, D.C. Dulles Intl

Sat 12/13

9:00 pm-7:40 pm

1 stop17h 40m

$726

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Fri 12/5

8:40 am-4:05 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

Fri 12/12

6:05 pm-8:50 am

1 stop9h 45m

$813

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Fri 12/5

8:40 am-12:12 am

2 stops20h 32m

Washington, D.C. Dulles Intl

Fri 12/12

6:05 pm-8:50 am

1 stop9h 45m

$819

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Fri 12/5

8:40 am-11:58 pm

2 stops20h 18m

Washington, D.C. Reagan-National

Fri 12/12

11:13 am-8:50 am

2 stops16h 37m

$925

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 4/1

5:35 pm-9:13 pm

2 stops32h 38m

Washington, D.C. Dulles Intl

Sun 4/5

7:59 pm-5:00 pm

2 stops40h 01m

$947

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Sat 12/6

9:30 am-7:30 pm

2 stops15h 00m

Washington, D.C. Dulles Intl

Sat 12/13

9:45 pm-8:45 am

2 stops30h 00m

$1,062

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Fri 12/5

8:10 pm-3:35 pm

2 stops24h 25m

Washington, D.C. Dulles Intl

Fri 12/12

5:05 pm-12:05 pm

2 stops14h 00m

$1,104

Flights are sorted by cheapest round-trip 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 $790. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Southampton to Washington, D.C. for around $931.

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 $762. Flying to Washington, D.C. in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $872. 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.

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 round-trip 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?

    A flight from Southampton Eastleigh to Washington, D.C. will travel around 3622.6 mi. A reasonable flight in good conditions will take 11h 15m.

  • 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. were last updated today.

  • 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.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Fairfax
Gaithersburg
Glen Burnie
Springfield
Linthicum Heights

Why use momondo?

Why should I use momondo to find a flight deal from Southampton to Washington, D.C.?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Southampton to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Washington, D.C. from Southampton on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Southampton to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Southampton to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Southampton to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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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