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Cheap flights from Southampton to Washington, D.C. Reagan-National Airport from £458

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 24/11. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — DCA
25 Jul — 1 Aug1
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 25 June 2026.

Sat 25/709:15
SOU
-
DCA
2 stops18h 44m
KLM
Tue 4/813:45
DCA
-
SOU
2 stops14h 00m
KLM
Deal found 21/6£674
Thu 6/809:15
SOU
-
DCA
2 stops16h 18m
Delta
Thu 13/811:00
DCA
-
SOU
2 stops16h 45m
Delta
Deal found 22/6£695
Mon 7/909:20
SOU
-
DCA
2 stops13h 36m
Multiple Airlines
Mon 7/922:31
DCA
-
SOU
2 stops28h 34m
Multiple Airlines
Deal found 24/6£1,016
Thu 6/809:20
SOU
-
DCA
3 stops17h 28m
Multiple Airlines
Thu 13/811:00
DCA
-
SOU
2 stops17h 25m
Multiple Airlines
Deal found 22/6£1,066

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 25 June 2026.

Round-trip from

£674

One-way from

£458

Popular in

June

Cheapest in

February

Average price

£597
KLM
  • KLM
  • 25/7-4/8
  • 4 total stops
  • 32h 44m total
  • Southampton to Washington, D.C.
Search Deals
24/11
  • 24/11
  • 2 total stops
  • 15h 38m total
  • Southampton to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 25 June 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
Fastest return journey

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Sat 25/7

09:15-22:59

2 stops18h 44m

Washington, D.C. Reagan-National

Tue 4/8

13:45-08:45

2 stops14h 00m

£674

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Thu 6/8

09:15-20:33

2 stops16h 18m

Washington, D.C. Reagan-National

Thu 13/8

11:00-08:45

2 stops16h 45m

£695

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Mon 7/9

09:20-17:56

2 stops13h 36m

Washington, D.C. Reagan-National

Mon 7/9

22:31-08:05

2 stops28h 34m

£1,016

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Thu 6/8

09:20-21:48

3 stops17h 28m

Washington, D.C. Reagan-National

Thu 13/8

11:00-09:25

2 stops17h 25m

£1,066
Cheapest one-way
Fastest single journey

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Tue 24/11

09:20-19:58

2 stops15h 38m

£458

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Mon 23/11

09:20-22:15

2 stops17h 55m

£497

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Tue 20/10

09:05-20:00

2 stops15h 55m

£739

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Wed 1/7

09:05-22:47

2 stops18h 42m

£1,341

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Thu 2/7

17:20-17:25

2 stops29h 05m

£1,341

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Sat 4/7

17:30-16:34

2 stops28h 04m

£1,341

Flights are sorted by cheapest return flights first.

Deals found on 24/6

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

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.

  • How long is the flight from Southampton to Washington, D.C. Reagan-National Airport?

    There are many flights that can get you from Southampton to Washington, D.C. Reagan-National Airport in 16h 18m. Fly via KLM or Delta to get the fastest option. Airlines will cover a distance of 3626 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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
Oxon Hill
Gaithersburg
Hanover
Woodbridge
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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Grimsby to Baltimore flights
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Doncaster to Baltimore flights
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Norwich to Baltimore flights
East Midlands 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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