SOU - IAD

$473 Find Cheap Flights from Southampton to Washington Dulles Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Southampton to Dulles Intl departing on 1/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Dulles Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Southampton to Washington, D.C., as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Southampton to Washington, D.C., as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$712
Delta
Wed 12/3Sun 12/7
SOU - IAD • 1 stop
Cheapest one-way
$473
Multiple Airlines
Sat 1/17
SOU - IAD • 3 stops
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Dulles Intl!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Southampton to Dulles Intl (SOU-IAD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Southampton to Dulles Intl 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.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Southampton to Dulles Intl

Wed, Dec 3 - Sun, Dec 7
Delta Logo
5:30 pm - 4:05 pmSOU-IAD
27h 35m1 stop
Delta Logo
6:05 pm - 5:25 pmIAD-SOU
18h 20m1 stop
$712Delta
Find Deal
Wed, Dec 3 - Sun, Dec 7
Delta Logo
5:30 pm - 6:21 pmSOU-IAD
29h 51m2 stops
Delta Logo
7:35 pm - 5:25 pmIAD-SOU
16h 50m2 stops
$717Delta
Find Deal
Wed, Dec 3 - Sun, Dec 7
Delta Logo
5:30 pm - 4:05 pmSOU-IAD
27h 35m1 stop
Delta Logo
6:00 am - 8:10 amIAD-SOU
21h 10m2 stops
$754Delta
Find Deal
Wed, Dec 3 - Sun, Dec 7
Delta Logo
5:30 pm - 4:23 pmSOU-IAD
27h 53m2 stops
Delta Logo
6:00 am - 8:10 amIAD-SOU
21h 10m2 stops
$760Delta
Find Deal
Wed, Dec 3 - Sun, Dec 7
Delta Logo
5:30 pm - 4:05 pmSOU-IAD
27h 35m1 stop
Delta Logo
11:06 am - 5:25 pmIAD-SOU
25h 19m2 stops
$774Delta
Find Deal
Wed, Dec 3 - Sun, Dec 7
Delta Logo
8:40 am - 7:19 pmSOU-IAD
15h 39m2 stops
Delta Logo
6:00 am - 8:10 amIAD-SOU
21h 10m2 stops
$780Delta
Find Deal
Wed, Dec 3 - Sun, Dec 7
KLM Logo
8:40 am - 4:05 pmSOU-IAD
12h 25m1 stop
KLM Logo
6:05 pm - 5:25 pmIAD-SOU
18h 20m1 stop
$809KLM
Find Deal
Thu, Jan 1 - Thu, Jan 8
Multiple Airlines Logo
8:50 am - 4:05 pmSOU-IAD
12h 15m1 stop
Multiple Airlines Logo
6:05 pm - 5:05 pmIAD-SOU
18h 00m1 stop
$1,193Multiple Airlines
Find Deal
Mon, Dec 15 - Mon, Dec 22
British Airways Logo
9:30 am - 7:30 pmSOU-IAD
15h 00m1 stop
British Airways Logo
5:05 pm - 3:35 pmIAD-SOU
17h 30m1 stop
$1,211British Airways
Find Deal
Thu, Jan 1 - Thu, Jan 8
Virgin Atlantic Logo
8:50 am - 9:46 amSOU-IAD
29h 56m2 stops
Virgin Atlantic Logo
6:05 pm - 5:05 pmIAD-SOU
18h 00m1 stop
$1,245Virgin Atlantic
Find Deal
Booking Insights

Good to know

Cheapest flight$473
Flight from Southampton to Washington Dulles Airport

When to book flights from Southampton to Dulles Intl

Are your dates flexible? Find out the best times to travel from Southampton to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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.

FAQs for booking Southampton to Washington Dulles Airport flights

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

    In the last 3 days, the lowest price for a flight from Southampton to Washington, D.C. Dulles Intl Airport was $473 for a one-way ticket and $712 for a round-trip.

  • Do I need a passport to fly between Southampton and Washington Dulles Airport?

    Yes, you’ll need a passport to travel to Washington Dulles Airport from Southampton.

  • Which aircraft models fly most regularly from Southampton to Washington Dulles Airport?

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

  • How does KAYAK find such low prices on flights from Southampton to Washington Dulles Airport?

    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 Southampton to Washington Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Southampton to Washington Dulles Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Southampton is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Southampton to Washington Dulles Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington Dulles Airport with an airline and back to Southampton with another airline. Booking your flights between Southampton and IAD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Southampton to Washington Dulles Airport?

    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 Washington Dulles Airport from Southampton 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 Southampton to Dulles Intl

Information on your arrival and departure airports

Southampton (SOU)
Dulles Intl (IAD)