What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Southampton?

In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Southampton was £409 for a one-way ticket and £801 for a return. Visit our flight page for the latest deals!>/a>

Which airports will I be using when flying from Washington, D.C. to Southampton?

On your way to Southampton, you’ll fly out from Washington, D.C. Dulles Intl. You’ll be landing at Southampton Eastleigh. Visit our flight page for the latest deals!>/a>

Which aircraft models fly most regularly from Washington, D.C. to Southampton?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from Washington, D.C. to Southampton?

SkyTeam, and oneworld are the airline alliances operating flights between Washington, D.C. and Southampton, with SkyTeam being the most commonly used for this route.

How does KAYAK find such low prices on flights from Washington, D.C. to Southampton?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Southampton. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Southampton?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Southampton from Washington, D.C. is likely to change within 7 days, so travellers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Washington, D.C. to Southampton?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Southampton with an airline and back to Washington, D.C. with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Southampton?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Southampton from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

£305 CHEAP FLIGHTS from Washington, D.C. to Southampton (IAD - SOU)

IAD - SOU

KAYAK searches hundreds of travel sites at once for deals on flights to Southampton

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Flights Deals

Cheap Flight Deals from Washington, D.C. to Southampton (IAD-SOU)

Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Washington, D.C. to Southampton that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Round-trip

One-way

Last minute

Recent return flight deals from Washington, D.C. to Southampton

KAYAK's recommended return flight deals from the most popular airlines that fly from Washington, D.C. to Southampton.

Discover the best prices for you by selecting your travel dates on KAYAK.

17:25 - 08:50IAD-SOU

10h 25m1 stop

09:20 - 15:35SOU-IAD

11h 15m1 stop

£597Delta

Find Deal

Mon, 1 Sep - Wed, 17 Sep

15:00 - 17:00IAD-SOU

21h 00m2 stops

09:20 - 15:35SOU-IAD

11h 15m1 stop

£601Delta

Find Deal

Thu, 4 Sep - Sun, 14 Sep

18:10 - 19:30IAD-SOU

20h 20m2 stops

20:00 - 16:15SOU-IAD

25h 15m2 stops

£647

Find Deal

Tue, 1 Jul - Thu, 17 Jul

17:25 - 08:45IAD-SOU

10h 20m1 stop

18:05 - 15:35SOU-IAD

26h 30m1 stop

£672KLM

Find Deal

Thu, 21 Aug - Sat, 6 Sep

17:20 - 08:35IAD-SOU

10h 15m1 stop

09:10 - 19:30SOU-IAD

15h 20m1 stop

£682Aer Lingus

Find Deal

Sat, 20 Sep - Wed, 1 Oct

17:20 - 08:35IAD-SOU

10h 15m1 stop

20:00 - 20:15SOU-IAD

29h 15m2 stops

£707Aer Lingus

Find Deal

Sat, 20 Sep - Wed, 1 Oct

17:25 - 08:45IAD-SOU

10h 20m1 stop

09:20 - 15:35SOU-IAD

11h 15m1 stop

£877KLM

Find Deal

Wed, 11 Jun - Wed, 18 Jun

17:25 - 08:45IAD-SOU

10h 20m1 stop

17:35 - 15:35SOU-IAD

27h 00m1 stop

£917Virgin Atlantic

Find Deal

Thu, 12 Jun - Thu, 19 Jun

07:10 - 08:45IAD-SOU

20h 35m2 stops

09:20 - 15:35SOU-IAD

11h 15m1 stop

£932Virgin Atlantic

Find Deal

Thu, 12 Jun - Thu, 19 Jun

13:00 - 15:35IAD-SOU

21h 35m3 stops

08:40 - 14:19SOU-IAD

34h 39m2 stops

£934

Find Deal

Thu, 12 Jun - Thu, 19 Jun

Useful Info

KAYAK's insights & trends for Washington, D.C. to Southampton flights

Get data-powered insights and trends into flights from Washington, D.C. to Southampton to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Washington, D.C. to Southampton?

In the past 3 days, the cheapest return tickets from Washington, D.C. to Southampton were found on Delta (£597) and KLM (£672).

Find deals

Low season	November
High season	September
Cheapest flight	£305

Best time to beat the crowds (31% less expensive on average)

Most popular time to fly and prices are also 10% lower on average.

Flight from Washington, D.C. to Southampton

When to book flights from Washington, D.C. to Southampton

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Southampton based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Southampton?
In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Southampton was £409 for a one-way ticket and £801 for a return.
Which airports will I be using when flying from Washington, D.C. to Southampton?
On your way to Southampton, you’ll fly out from Washington, D.C. Dulles Intl. You’ll be landing at Southampton Eastleigh.
Which aircraft models fly most regularly from Washington, D.C. to Southampton?
We unfortunately don’t have that data for this specific route.
Which airline alliances offer flights from Washington, D.C. to Southampton?
SkyTeam, and oneworld are the airline alliances operating flights between Washington, D.C. and Southampton, with SkyTeam being the most commonly used for this route.
How does KAYAK find such low prices on flights from Washington, D.C. to Southampton?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Southampton.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Southampton?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Southampton from Washington, D.C. is likely to change within 7 days, so travellers know whether to wait or book now.
What is the Hacker Fare option on flights from Washington, D.C. to Southampton?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Southampton with an airline and back to Washington, D.C. with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Southampton?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Southampton from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Washington, D.C. to Southampton

Airports

Cabin class

Complete your trip

Direct flights

Flights to other cities

Origins

Other airports

Information on your arrival and departure airports

Southampton (SOU)

Washington, D.C. (IAD)

IAD - SOU

£305 Find Cheap Flights from Washington, D.C. to Southampton

KAYAK searches hundreds of travel sites at once for deals on flights to Southampton

Cheap Flight Deals from Washington, D.C. to Southampton (IAD-SOU)

Recent return flight deals from Washington, D.C. to Southampton

Recent one-way flight deals from Washington, D.C. to Southampton

Recent last minute flight deals from Washington, D.C. to Southampton

KAYAK's insights & trends for Washington, D.C. to Southampton flights

Get data-powered insights and trends into flights from Washington, D.C. to Southampton to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Washington, D.C. to Southampton?

In the past 3 days, the cheapest return tickets from Washington, D.C. to Southampton were found on Delta (£597) and KLM (£672).

Good to know - Cheap tickets from Washington, D.C. to Southampton

Low season

High season

Cheapest flight

When to book flights from Washington, D.C. to Southampton

FAQs for booking Washington, D.C. to Southampton flights

What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Southampton?

Which airports will I be using when flying from Washington, D.C. to Southampton?

Which aircraft models fly most regularly from Washington, D.C. to Southampton?

Which airline alliances offer flights from Washington, D.C. to Southampton?

How does KAYAK find such low prices on flights from Washington, D.C. to Southampton?

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Southampton?

What is the Hacker Fare option on flights from Washington, D.C. to Southampton?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Southampton?

Everything you need to know for your flight from Washington, D.C. to Southampton

Information on your arrival and departure airports

Cabin class types available on flights to Southampton

Cabin classes available on flights to Washington, D.C.. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Complete your trip to Southampton with a hotel stay or car hire

Find direct flights to and from Washington, D.C. and Southampton

Flights to other popular destinations

The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

Flights from domestic origins to Southampton

Choose which airport to fly into in Washington, D.C.