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Cheap Flights from Washington D.C. (WASA) to Southampton (SOU)

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Flight deals from Washington D.C. to Southampton

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to Southampton Airport? If you want to travel next month, return fares start from $1,215. Find the lowest prices on one-way and return tickets right here.
Southampton.$1,215 per passenger.Departing Sat, 15 Aug, returning Mon, 31 Aug.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Washington Dulles on Sat, 15 Aug, arriving in Southampton.Inbound indirect flight with Aer Lingus, departs from Southampton on Mon, 31 Aug, arriving in Washington Dulles.Price includes taxes and charges.From $1,215, select.
Southampton.$1,294 per passenger.Departing Fri, 4 Sep, returning Sun, 6 Sep.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Washington Dulles on Fri, 4 Sep, arriving in Southampton.Inbound indirect flight with Aer Lingus, departs from Southampton on Sun, 6 Sep, arriving in Washington Dulles.Price includes taxes and charges.From $1,294, select.
Southampton.$1,717 per passenger.Departing Tue, 3 Nov, returning Mon, 30 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Washington Dulles on Tue, 3 Nov, arriving in Southampton.Inbound indirect flight with Delta, departs from Southampton on Mon, 30 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $1,717, select.
Southampton.$1,749 per passenger.Departing Sat, 20 Mar, returning Mon, 29 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Washington Ronald Reagan on Sat, 20 Mar, arriving in Southampton.Inbound indirect flight with Delta, departs from Southampton on Mon, 29 Mar, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,749, select.

Find the cheapest month to fly from Washington D.C. to Southampton

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington D.C. to Southampton flights are currently cheapest in August.
Jul
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Aug
from $1,215
Sep
from $1,294
Oct
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Nov
from $1,717
Dec
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Jan
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Feb
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Mar
from $1,749
Apr
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May
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Jun
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Washington D.C. to Southampton: Alternative routes

Compare routes from Washington D.C. to Southampton below. You may find an airport to fly into that's cheaper, faster, or easier than Southampton.

Southampton

6km from central Southampton
Closest
from $1,215
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Bournemouth

34km from central Southampton
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London Gatwick

89km from central Southampton
Cheapest
from $669
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Washington D.C. to Southampton: Flight information

The things to know before you go.
Cheapest flight found$1,215
Cheapest month to flyAugust

Finding cheap flights from Washington D.C. to Southampton: Frequently asked questions

The best price we found for a return flight from Washington D.C. to Southampton is $1,215. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Washington D.C. to Southampton. But we found flights with one stop from $1,215.
As of July 2026, there are no flights flying from Washington D.C. to Southampton.
The cheapest month to fly from Washington D.C. to Southampton is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to Southampton Airport on Saturday, 15 August 2026.
No airlines currently offer direct flights between Washington D.C. and Southampton Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Southampton but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Southampton is around 40 days in advance, so don’t leave your flight to the last minute.

The cheapest airline that flies to Southampton is Aer Lingus .

Flying from Washington DC to Southampton Airport (SOU): What you need to know

  • Southampton Airport is located in Southampton. The city runs on the UTC+0 timezone and is five hours ahead of Washington DC.

  • Your flight from Washington DC to SOU won't wait if you're running late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • Popular months like July or holiday periods such as Christmas and New Year will mean longer waits at check-in and security. Be on the safe side and head to the terminal even earlier. Arriving two hours before a domestic flight and up four hours ahead of international flights is wise.

Airports in Washington DC

Ronald Reagan Washington National Airport (DCA)

  • The journey from central Washington DC to DCA takes around 25 minutes on public transport. If you ride-share, drive or take a taxi, you'll cover the 6 kilometres in 10 minutes or so, depending on traffic.

  • Want a hassle-free start to your break? Stay near Ronald Reagan Washington National Airport. Whether you've booked an early flight from Washington DC to Southampton Airport or just don't like being rushed, these hotels have you covered:

  • When it comes to Ronald Reagan Washington National Airport's on-time performance, 71% of flights arrive within the scheduled time frame.

  • The address for DCA is 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Break up your flight from Washington DC to Southampton Airport with a stop so you can stretch your legs or tick a new place off your list. Popular stopovers between Washington Dulles International Airport and SOU include:

    • Dublin Airport (DUB)

    • Geneva Airport (GVA)

    • Edinburgh Airport (EDI)

  • IAD is about 40 kilometres from central Washington DC. It'll take 45 minutes or so to get to the airport driving from the city centre. Public transport takes approximately 1 hour 10 minutes.

  • Start your holiday early with an extra night away from home. Before catching your Washington DC to SOU flight, stay in one of these hotels near Washington Dulles International Airport:

  • Washington Dulles International Airport has an on-time performance rate of 77%. This figure reflects how frequently flights that leave from this airport land at their destination on time.

  • IAD is located at 1 Saarinen Circle.

Baltimore Washington International Airport (BWI)

  • BWI is around 48 kilometres from central Washington DC. Driving from the city centre to the terminal takes about 40 minutes. If you're planning to use public transport, you can expect a journey of around 50 minutes.

  • Sleep a little longer and still make your Washington DC to Southampton Airport flight with time to spare. These hotels near Baltimore Washington International Airport make departure day a breeze if you're flying out early:

  • Airports have an on-time performance rating that measures how often flights get to their destinations when they should. At BWI, that rate is 77%.

About Southampton Airport (SOU)

Getting from Southampton Airport (SOU) to central Southampton

  • Central Southampton is around 10 kilometres from Southampton Airport and takes about 15 minutes to reach by car. See what your options are for making the trip into the city, whether that's with a car hire, taxi or ride-share.

  • If you're taking public transport, expect a journey time of about 25 minutes.

How to find the cheapest flights from Washington DC to Southampton Airport (SOU)

  • $732 is currently the best price for a one-way ticket from Washington DC to Southampton Airport. A return flight starts at $1,215. These fares may change depending on availability and demand.

  • To find cheap flights from Washington DC to SOU, book early. Airlines usually offer lower prices when tickets first go on sale.

  • The 'Whole month' tool shows you the cheapest Washington DC to Southampton Airport tickets across each month. It's a good way to find a bargain if your trip dates are flexible.

  • Be the first to know about deals for plane tickets from Washington DC to SOU by creating a Price Alert. We'll send you an email or push notification on the app when a lower fare becomes available.

  • Filters make it easier to dig up a deal for your flight from Washington DC to Southampton Airport. Choose the airlines, flight times and number of stops that make sense for you. Then sort the results by 'Cheapest' to find the best price quickly.

The best time to fly from Washington DC to Southampton Airport (SOU)

  • December is the quietest month for flights from Washington DC to Southampton Airport (SOU), while July is the busiest. Work out the best time to go to Southampton based on whether you prefer a lively atmosphere or a more laid-back vibe.

  • Lock in a Washington DC to SOU plane ticket departing in July if you want to visit the city during its warmest month. You can expect temperatures in Southampton to range from 11ºC (52ºF) to 24ºC (75ºF).

  • Look for cheap tickets from Washington DC to Southampton Airport in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF).

More about Southampton

  • Start your Southampton trip off on the right foot by choosing the perfect place to stay. After booking your flight from Washington DC to Southampton Airport, browse our selection of accommodation options including:

  • There are so many things to discover in this city, it can be hard to work out where to begin. Site of Jane Austen's House, Mayflower Theatre and Kennet & Avon Canal are top sights which should be on any good Southampton itinerary.

Explore more of the United Kingdom

  • London is just one of the many places in the United Kingdom waiting to be discovered once you've seen Southampton. Around 105 kilometres away to the northeast, top sights here include The British Museum, Westminster Abbey and Big Ben.

  • If you're ready to explore another corner of the United Kingdom, head for Manchester, roughly 290 kilometres north of Southampton. Manchester United Museum & Stadium Tour, The Homes of Football and Museum of Science and Industry are key highlights.

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Prices shown on this page are estimated lowest prices only. Found in the last 12 days.