The prices shown on this page were available within the last 20 days for the specified periods and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from Southampton to Washington

If you’re planning to fly this route soon, keep in mind that the lowest fares are usually available in the middle of December. Take advantage of this period to save on your flight tickets and make the most of your trip. Please note that prices may change after your search.

Filter by

week: 21 Dec - 27 Dec

Flights from just £485

£579

£520

£553

£519

£485

£737

OctoberNovemberDecember

Flight Duration15 hoursFlights between Southampton and Washington take, on average, 15 hours minutes, but the time can vary according to other factors

Cheapest flight£702Cheapest price for a flight between Southampton and Washington found by our customers in the last 72 hours

Origin airportSouthampton AirportWhen flying from Southampton to Washington

Destination airportsWashington Dulles International AirportWhen travelling from Southampton to Washington

High seasonMarchAccording to search data from our customers, March is the busiest time to fly from Southampton to Washington

One-way average Price£897The average price for a flight Southampton - Washington at Opodo is £897, based on the price of last 6 months

Best time to bookMarchAccording to real data December is the most popular time to book a flight to Washington when departing from Southampton

Distance: 3,626 mi

Southampton airports

Southampton Airport (SOU)How far from city centre: 4 mi

Washington airports

Washington Dulles International Airport (IAD)How far from city centre: 23 mi

Book your Southampton to Washington flight

Search direct and connecting flights from Southampton to Washington (United States) with Opodo. When your results appear, sort them by timing or fare and book whichever option fits your plans best.

The cheapest fare booked on this route in recent days was £702, although the price you're shown will vary with your travel dates and departure times.

Flying non-stop from Southampton to Washington takes roughly 9 h and 50 m, whereas journeys with a layover will take longer.

Airports and airlines on the Southampton–Washington route

Plan your trip with confidence by checking the relevant airports and comparing the airlines that fly this route.

Departure airport: Southampton Airport (SOU)
Arrival airport: Washington Dulles International Airport (IAD)

Tips for cheaper flights from Southampton to Washington

A few ways to bring down the cost of your flight from Southampton to Washington:

Flexible dates: check fares across two or three departure days. Going a day earlier or later can make a real difference to what you pay.
Baggage allowance: see what's included in each fare before booking, so you're not stung by unexpected charges at the airport.
Airports on your route: double-check which airports you'll fly from and into, particularly if the city has more than one. It makes it easier to plan transfers and work out the full cost of getting around.

After a bigger saving? Book a Flight + Hotel package to combine the two in a single booking and unlock exclusive discounts on your stay in Washington. Adding car hire to the same booking can save you money too.

Frequently asked questions about flights from Southampton to Washington

On average, how much is the price of a flight from Southampton to Washington?

When you fly from Southampton to Washington the average price is £897. However, this price depends on many other factors such as seasonality or how far in advance the route has been booked.

How can I find cheap flights from Southampton to Washington at Opodo?

The cheapest price for a flight from Southampton to Washington is 702 £. At Opodo we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.

When is the best time to book a flight from Southampton to Washington?

The most popular months to book a flight from Southampton to Washington are December, September and November, based on the searches of our customers.

When is the best time to travel from Southampton to Washington?

The best time of the year to go to Washington when flying from Southampton depends on several preference factors like climate, seasonality and, of course, price. When it comes to popularity, June is the top 1º month to fly to Washington from Southampton in terms of searches from our customer, followed by September and March. If you prefer to avoid high peaks of turism, however, and escape a crowded period, May, April and November are the months with less volume of searchs for the route Southampton - Washington.

How long does the flight take to go from Southampton to Washington?

The total flight time between Southampton and Washington is of around 15 hours on average, considering an average distance of 3,625.99 mi, for both direct and indirect flights for the route (which may have 1 or more stops in other cities in between).

Which airports have flights between Southampton and Washington?

The main airport route flying between Southampton and Washington is: Southampton Airport (SOU) to Washington Dulles International Airport(IAD). This route is covered by the following airline(s):

Which are the airlines with flights from Southampton to Washington?

Aer Lingus

British Airways
Virgin Atlantic

Plan your trip

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