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Cheap flights from Southampton to Washington, D.C. Reagan-National Airport from £638

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — DCA
7 Jun — 14 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Reagan-National

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to Reagan-National
Explore the most affordable flight options available from Southampton to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 May 2026.

Mon 25/517:20
SOU
-
DCA
3 stops33h 35m
Multiple Airlines
Mon 1/606:00
DCA
-
SOU
3 stops32h 30m
Multiple Airlines
Deal found 3/5£848
Fri 12/618:25
SOU
-
DCA
3 stops33h 03m
Multiple Airlines
Tue 16/620:40
DCA
-
SOU
2 stops15h 10m
Multiple Airlines
Deal found 7/5£876
Mon 25/509:05
SOU
-
DCA
2 stops19h 19m
Delta
Mon 1/619:59
DCA
-
SOU
2 stops15h 51m
Delta
Deal found 3/5£950
Sat 20/609:20
SOU
-
DCA
2 stops18h 39m
Multiple Airlines
Sat 27/606:15
DCA
-
SOU
2 stops32h 15m
Multiple Airlines
Deal found 6/5£985
Tue 12/509:05
SOU
-
DCA
2 stops16h 40m
Delta
Mon 18/512:59
DCA
-
SOU
2 stops14h 36m
Delta
Deal found 5/5£1,096

Find flight deals from Southampton to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 8 May 2026.

Round-trip from

£848

One-way from

£638

Popular in

July

Cheapest in

February

Average price

£527
25/5-1/6
  • 25/5-1/6
  • 6 total stops
  • 66h 05m total
  • Southampton to Washington, D.C.
Search Deals
14/7
  • 14/7
  • 2 total stops
  • 15h 41m total
  • Southampton to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Reagan-National 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, Cheapflights users made 858,174 searches. Data last updated 8 May 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

Mon 25/5

17:20-21:55

3 stops33h 35m

Washington, D.C. Reagan-National

Mon 1/6

06:00-19:30

3 stops32h 30m

£848

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Fri 12/6

18:25-22:28

3 stops33h 03m

Washington, D.C. Reagan-National

Tue 16/6

20:40-16:50

2 stops15h 10m

£876
Fastest return journey

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Mon 25/5

09:05-23:24

2 stops19h 19m

Washington, D.C. Reagan-National

Mon 1/6

19:59-16:50

2 stops15h 51m

£950

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Sat 20/6

09:20-22:59

2 stops18h 39m

Washington, D.C. Reagan-National

Sat 27/6

06:15-19:30

2 stops32h 15m

£985
Cheapest one-way
Fastest single journey

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Tue 14/7

09:15-19:56

2 stops15h 41m

£638

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Thu 21/5

20:00-17:27

3 stops50h 27m

£720

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Sun 12/7

17:30-16:34

2 stops28h 04m

£1,508

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Fri 10/7

09:15-22:48

2 stops18h 33m

£1,641

Flights are sorted by cheapest return flights first.

Deals found on 5/5

Sorted by cheapest first

Best time to book a flight from Southampton to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Southampton with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    If you book a flight to Washington, D.C. Reagan-National from Southampton, you will be flying from Eastleigh, which is the city’s only airport. Southampton Eastleigh (SOU) is located 3.5 mi from the center of Southampton. There are 0 flights from Eastleigh to Washington, D.C. Reagan-National per day from 0 different airlines.

  • Can I find deals for flights from Southampton to Reagan-National that include hotel bookings?

    Yes. In addition to deals on Southampton to Reagan-National flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southampton to Reagan-National?

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

  • Can I find deals for business class flights from Southampton to Reagan-National?

    Yes. Cheapflights offers flight deals from Southampton to Reagan-National 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. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Gaithersburg
Woodbridge
Arlington
Alexandria

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Southampton to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
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Edinburgh to Reagan-National flights
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Newcastle upon Tyne to Baltimore flights
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Birmingham to Baltimore flights
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Liverpool to Baltimore flights
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Leeds to Baltimore flights
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Bristol to Baltimore flights
Grimsby to Baltimore flights
Norwich to Dulles Intl flights
Grimsby to Reagan-National flights
Grimsby to Dulles Intl flights
Norwich to Baltimore flights
Norwich to Reagan-National flights
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East Midlands to Baltimore flights
Doncaster to Baltimore flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Southampton to Reagan-National?

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Why should you use Cheapflights to find cheap flight tickets from Southampton to Reagan-National?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Reagan-National from Southampton.

Can Cheapflights find flights from Southampton to Reagan-National with no change fees?

Need flexible booking options for your flight to Reagan-National from Southampton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Southampton to Reagan-National become cheaper?

Yes, Cheapflights offers price alerts on Southampton to Reagan-National flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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