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Cheap flights from Southampton to Washington, D.C. from £375

SOU — WAS
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Washington, D.C.

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to Washington, D.C.

Mon 23/1112:25 -
2 stops33h 35m
Mon 30/1118:00 -
2 stops20h 30m
Deal found 26/10£669
Fri 27/1108:40 -
1 stop12h 15m
Fri 4/1219:39 -
2 stops16h 11m
Deal found 30/10£692
Mon 23/1108:40 -
1 stop12h 15m
Mon 30/1118:15 -
1 stop17h 50m
Deal found 26/10£694
Sat 19/1217:20 -
1 stop27h 20m
Sat 2/118:15 -
1 stop17h 35m
Deal found 28/10£790
Thu 12/1109:20 -
1 stop11h 25m
Sun 15/1117:15 -
1 stop10h 35m
Deal found 28/10£792

Find flight deals from Southampton to Washington, D.C.

Round-trip from

£669

One-way from

£375

Popular in

June

Cheapest in

February

Average price

£499
23/11-30/11
  • 23/11-30/11
  • 4 total stops
  • 54h 05m total
  • Southampton to Washington, D.C.
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18/11-31/12
  • 18/11-31/12
  • 3 total stops
  • 51h 30m total
  • Southampton to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£40 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
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

Cheapest return flight

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - IAD Washington, D.C. Dulles Intl

SOUIAD

Southampton Eastleigh

Thu 17/12

09:20-19:05

2 stops38h 45m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£377

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - IAD Washington, D.C. Dulles Intl

SOUIAD

Southampton Eastleigh

Thu 17/12

09:20-19:20

1 stop15h 00m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£445

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - IAD Washington, D.C. Dulles Intl

SOUIAD

Southampton Eastleigh

Mon 23/11

09:20-19:20

1 stop15h 00m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£470

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - IAD Washington, D.C. Dulles Intl

SOUIAD

Southampton Eastleigh

Tue 6/4

09:20-19:15

1 stop14h 55m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£514
Fastest return journey

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - IAD Washington, D.C. Dulles Intl

SOUIAD

Southampton Eastleigh

Fri 26/3

09:20-16:45

1 stop11h 25m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£560

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - IAD Washington, D.C. Dulles Intl

SOUIAD

Southampton Eastleigh

Mon 23/11

12:25-17:00

2 stops33h 35m

Washington, D.C. Dulles Intl

Mon 30/11

18:00-19:30

2 stops20h 30m

£669

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - IAD Washington, D.C. Dulles Intl

SOUIAD

Southampton Eastleigh

Fri 27/11

08:40-15:55

1 stop12h 15m

Washington, D.C. Dulles Intl

Fri 4/12

19:39-16:50

2 stops16h 11m

£692

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - IAD Washington, D.C. Dulles Intl

SOUIAD

Southampton Eastleigh

Mon 23/11

08:40-15:55

1 stop12h 15m

Washington, D.C. Dulles Intl

Mon 30/11

18:15-17:05

1 stop17h 50m

£694

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - IAD Washington, D.C. Dulles Intl

SOUIAD

Southampton Eastleigh

Wed 18/11

20:00-15:45

1 stop24h 45m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£749

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - IAD Washington, D.C. Dulles Intl

SOUIAD

Southampton Eastleigh

Thu 12/11

09:20-15:45

1 stop11h 25m

Washington, D.C. Dulles Intl

Sun 15/11

17:15-08:50

1 stop10h 35m

£792

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Best time to book a flight from Southampton to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Southampton with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Southampton to Washington, D.C.

No data available for this route at this time. Please check back soon.

Related info for your journey

  • What airport do you fly from for flights from Southampton to Washington, D.C.?

    Southampton Eastleigh (SOU) is the airport you will fly out of if you book a flight from Southampton to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Eastleigh; the airport handles an average of 0 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Southampton airport to Washington, D.C.. It is only a 3.5 mi journey to Eastleigh (SOU) from Southampton’s city center.

  • How long is the flight from Southampton to Washington, D.C.?

    For as low as £792, Delta can have you in Washington, D.C. from Southampton in 11h 25m. The distance from Southampton to Washington, D.C. is about 3639 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Southampton to Washington, D.C.?

    The most popular route from Southampton to Washington, D.C. is Southampton Eastleigh - Washington, D.C. Dulles Intl. You may also consider Southampton Eastleigh - Baltimore/Washington or Southampton Eastleigh - Washington, D.C. Reagan-National.

  • Can I find deals for flights from Southampton to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Southampton to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southampton to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Washington, D.C..

  • Can I find deals for business class flights from Southampton to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Southampton to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Silver Spring
Alexandria
Gaithersburg
Oxon Hill
Hanover
Woodbridge
Glen Burnie
Springfield

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Southampton to Washington, D.C.

AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£453Average£593FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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How does Cheapflights help users find flights from Southampton to Washington, D.C.?

Deals for Southampton to Washington, D.C. flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Southampton to Washington, D.C.?

Cheapflights helps you find that perfect flight to Washington, D.C. from Southampton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Southampton to Washington, D.C. with no change fees?

Yes, we can. To see specific flights from Southampton to Washington, D.C. with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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