Cheap flights from Southampton to Washington, D.C. Reagan-National Airport from £638
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap 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 29 August 2025.
Round-trip from | £638 |
---|---|
Popular in | July |
Cheapest in | February |
Average price | £614 |
Find flight deals from Southampton to Reagan-National
Cheapest flights from Southampton to Reagan-NationalExplore 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 29 August 2025.
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 29 August 2025.
Cheapflights Fare Finder
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
Sun 12/10
09:20-22:07
2 stops17h 47m
Washington, D.C. Reagan-National
Sun 19/10
11:10-08:45
2 stops16h 35m
SouthamptonWashington, D.C.
SOU - DCA
SOUDCA
Southampton Eastleigh
Sat 11/10
09:20-22:59
2 stops18h 39m
Washington, D.C. Reagan-National
Sat 18/10
12:31-08:45
2 stops15h 14m
SouthamptonWashington, D.C.
SOU - DCA
SOUDCA
Southampton Eastleigh
Tue 21/10
09:20-18:59
2 stops14h 39m
Washington, D.C. Reagan-National
Sun 26/10
10:20-08:10
2 stops17h 50m
SouthamptonWashington, D.C.
SOU - DCA
SOUDCA
Southampton Eastleigh
Wed 22/10
09:20-18:59
2 stops14h 39m
Washington, D.C. Reagan-National
Sun 26/10
10:20-08:10
2 stops17h 50m
SouthamptonWashington, D.C.
SOU - DCA
SOUDCA
Southampton Eastleigh
Mon 20/10
09:20-21:43
2 stops17h 23m
Washington, D.C. Reagan-National
Sun 26/10
13:45-08:10
2 stops14h 25m
SouthamptonWashington, D.C.
SOU - DCA
SOUDCA
Southampton Eastleigh
Sun 12/10
09:10-22:34
3 stops18h 24m
Washington, D.C. Reagan-National
Sun 19/10
16:35-19:30
3 stops21h 55m
SouthamptonWashington, D.C.
SOU - DCA
SOUDCA
Southampton Eastleigh
Sat 11/10
16:25-21:51
3 stops34h 26m
Washington, D.C. Reagan-National
Sat 18/10
18:50-17:50
2 stops18h 00m
SouthamptonWashington, D.C.
SOU - DCA
SOUDCA
Southampton Eastleigh
Mon 1/12
18:05-16:59
2 stops27h 54m
SouthamptonWashington, D.C.
SOU - DCA
SOUDCA
Southampton Eastleigh
Tue 2/12
08:40-21:14
2 stops17h 34m
SouthamptonWashington, D.C.
SOU - DCA
SOUDCA
Southampton Eastleigh
Sun 30/11
18:05-23:58
2 stops34h 53m
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.
Cheapflights Insights
Everything you need to know about your flight from Southampton to Washington, D.C. Reagan-National Airport
Related info for your journey
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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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How does Cheapflights help users find flights from Southampton to Reagan-National?
Cheapflights helps you search for flights from Southampton to Reagan-National via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
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.