Cheap flights from Southampton to Washington, D.C.

Flights overview

Useful information for finding cheap flights from Southampton to Washington, D.C. and booking your next trip
Cheapest round-trip flights $1,335
Aer Lingus 1 stop 15 hr Sat, Apr 11 — Fri, Apr 24
The cheapest round-trip flight from Southampton to Washington, D.C. is currently $1,335
Cheapest one-way flight $793
Aer Lingus 1 stop 15 hr Mon, Jun 8
The cheapest one-way flight from Southampton to Washington, D.C. is currently $793
Last-minute weekend getaway $1,459
Aer Lingus 1 stop 15 hr Thu, Apr 16 — Mon, Apr 20
The cheapest last-minute weekend getaway from Southampton to Washington, D.C. is currently $1,459
Fastest flight 11 hr 20 min The fastest flight with stops from Southampton to Washington, D.C. takes 11 hr 20 min
Nonstop flights None There are no direct flights on this route.

Popular airlines from Southampton to Washington, D.C.

  • Aer Lingus
    from $1,335
    Typical price: $850–1,750
    19 weekly connecting flights
    SOU - IAD Every day
  • KLM
    Typical price: $800–1,750
    7 weekly connecting flights
    SOU - IAD Every day

Popular airports near Southampton

  • Heathrow Airport (LHR)
    London United Kingdom 1 hr 15 min 57 mi
  • Southampton Airport (SOU)
    Southampton United Kingdom 14 min 3 mi
  • London Gatwick Airport (LGW)
    London United Kingdom 1 hr 40 min 55 mi
  • London Luton Airport (LTN)
    London United Kingdom 1 hr 43 min 80 mi

Popular airports near Washington, D.C.

  • Ronald Reagan Washington National Airport (DCA)
    Washington United States 17 min 4 mi
  • Dulles International Airport (IAD)
    Washington United States 54 min 22 mi
  • Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI)
    Baltimore United States 48 min 27 mi
  • Philadelphia International Airport (PHL)
    Philadelphia United States 2 hr 19 min 116 mi

Frequently asked questions about flying from Southampton to Washington, D.C.

The cheapest round-trip flight from Southampton to Washington, D.C. recently found on Google Flights was with Aer Lingus from $1,335. The cheapest one-way flight was with Aer Lingus from $793.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Aer Lingus flight from Southampton to Washington, D.C. is $1,335, flying from Apr 11 to Apr 24.
The cheapest round-trip flight from Southampton to Washington, D.C. starts at $1,335 from Sat, Apr 11 to Fri, Apr 24. The cheapest one-way flight starts at $793 and departs on Mon, Jun 8.
11 hr 20 min is the shortest flight time from Southampton to Washington, D.C..
Mid-Mar–Jun is Washington DC's busiest time, with many people timing their visits to coincide with cherry blossom season (late Mar–mid Apr). Washington DC’s conference centers and hotels also bustle while Congress is in session (Sep–Nov and mid-Jan–Jun). Jul–Aug tend to be hot and humid, while snowfall can vary widely in winter. The city’s most popular events are the annual Cherry Blossom Festival in spring, the 4th of July celebration in summer, and the lighting of the National Christmas Tree in winter.
It's easy to use Google Flights to find the cheapest days to fly from Southampton to Washington, D.C..
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Southampton to Washington, D.C. really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Southampton to Washington, D.C..

In terms of flights, Aer Lingus is the most popular. Aer Lingus offers 19 connecting flights per week. Aer Lingus flies from Southampton Airport (SOU) to Dulles International Airport (IAD) .

Another popular airline flying from Southampton to Washington, D.C. is:
  • KLM offers 7 connecting flights per week. KLM flies from Southampton Airport (SOU) to Dulles International Airport (IAD) .
The number of connecting flights refers to distinct flights with at least one stop between Southampton and Washington, D.C..
The cheapest round-trip flight from Southampton to Washington, D.C. recently found on Google Flights was with Aer Lingus from $1,335. The cheapest one-way flight was with Aer Lingus from $793.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Aer Lingus flight from Southampton to Washington, D.C. is $1,335, flying from Apr 11 to Apr 24.
No airline flies direct from Southampton to Washington, D.C..
  • There are 19 Aer Lingus connecting flights from Southampton to Washington, D.C. per week. Flights are available every day.
  • There are 7 KLM connecting flights from Southampton to Washington, D.C. per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between Southampton and Washington, D.C. at price $1,459 is offered by Aer Lingus from Thu, Apr 16 to Mon, Apr 20.
No airline flies direct from Southampton to Washington, D.C..
  • There are 19 Aer Lingus connecting flights from Southampton to Washington, D.C. per week. Flights are available every day.
  • There are 7 KLM connecting flights from Southampton to Washington, D.C. per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are no direct flights from Southampton to Washington, D.C..
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Southampton to Washington, D.C., just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest economy class round-trip flights between Southampton and Washington, D.C. start at $1,335 from Sat, Apr 11 to Fri, Apr 24.
To book business class trips from Southampton to Washington, D.C., look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Southampton and Washington, D.C. starts at $1,459 from Thu, Apr 16 to Mon, Apr 20 with Aer Lingus.
The cheapest last-minute deal between Southampton and Washington, D.C. at price $1,459 is offered by Aer Lingus from Thu, Apr 16 to Mon, Apr 20.
To find last-minute flight deals from Southampton to Washington, D.C., start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

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Popular trips from Southampton

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    $323
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    Nonstop 1 hr 45 min Loganair
  2. Sydney
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