IAD - SOU

$313 Find Cheap Flights from Washington Dulles Airport to Southampton - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$768
Typical prices: $1,079-$1,363
Aer Lingus
Thu 10/25Thu 11/1
IAD - SOU • 1 stop
Cheapest one-way
$313
Typical prices: $636-$712
Multiple Airlines
Thu 10/11
IAD - SOU • 2 stops
When to travel
March
Cheapest • 16% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dublin (DUB)
Cheapest • Avg $1,163 (round-trip)
Amsterdam Schiphol (AMS)
Shortest trip • 10h 43m (one-way)
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Flight Deals

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

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

Recent round-trip flight deals from Dulles Intl to Southampton

Sun, Oct 25 - Sun, Nov 1
Aer Lingus Logo
6:15 pm - 8:50 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
10h 35m1 stop Dublin
Aer Lingus Logo
12:25 pm - 7:20 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
11h 55m1 stop Dublin
$768Aer Lingus
Thu, Oct 29 - Thu, Nov 5
Aer Lingus Logo
6:15 pm - 8:50 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
10h 35m1 stop Dublin
Aer Lingus Logo
9:20 am - 7:20 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
15h 00m1 stop Dublin
$770Aer Lingus
Mon, Oct 12 - Mon, Oct 19
Aer Lingus Logo
5:15 pm - 8:40 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
10h 25m1 stop Dublin
Aer Lingus Logo
9:20 am - 3:45 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
11h 25m1 stop Dublin
$846Aer Lingus
Thu, Oct 29 - Thu, Nov 5
Multiple Airlines Logo
6:15 pm - 8:50 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
10h 35m1 stop Dublin
Multiple Airlines Logo
8:40 am - 7:20 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
15h 40m2 stops Amsterdam Schiphol Dublin
$885Multiple Airlines
Thu, Oct 29 - Thu, Nov 5
Multiple Airlines Logo
6:15 pm - 8:55 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
34h 40m2 stops Dublin Amsterdam Schiphol
Multiple Airlines Logo
8:40 am - 7:20 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
15h 40m2 stops Amsterdam Schiphol Dublin
$966Multiple Airlines
Wed, Nov 25 - Wed, Dec 2
Delta Logo
6:15 pm - 5:05 pmIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
17h 50m1 stop Amsterdam Schiphol
Delta Logo
5:30 pm - 3:45 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
27h 15m1 stop Amsterdam Schiphol
$989Delta
Wed, Oct 28 - Wed, Nov 4
Virgin Atlantic Logo
7:15 pm - 5:05 pmIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
17h 50m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
8:40 am - 3:55 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
12h 15m1 stop Amsterdam Schiphol
$989Virgin Atlantic
Wed, Nov 25 - Wed, Dec 2
Delta Logo
10:11 am - 8:10 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
16h 59m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
Delta Logo
5:30 pm - 3:45 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
27h 15m1 stop Amsterdam Schiphol
$993Delta
Wed, Oct 28 - Wed, Nov 4
KLM Logo
12:30 pm - 8:10 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
15h 40m2 stops New York John F Kennedy Intl Amsterdam Schiphol
KLM Logo
8:40 am - 3:55 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
12h 15m1 stop Amsterdam Schiphol
$993KLM
Sun, Oct 25 - Sun, Nov 1
Multiple Airlines Logo
6:15 pm - 11:45 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
37h 30m2 stops Dublin Glasgow Intl
Multiple Airlines Logo
9:20 am - 3:45 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
11h 25m1 stop Dublin
$1,003Multiple Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Southampton flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to Southampton with more confidence.

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Southampton?

Round-trip flights from Washington, D.C. Dulles Intl Airport to Southampton start at $768. Prices are below average for this route right now, with typical round-trip fares ranging from $1,079 to $1,363. The lowest price found in the past 5 days was $768 on Aer Lingus.

What's the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Southampton?

Wednesday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Southampton, it is 4% cheaper than the average day. Friday is the most expensive day with flight prices 39% higher than average. Based on deals found by KAYAK users in the last 12 months.

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Key details for Washington, D.C. Dulles Intl Airport to Southampton flights

Low season

January

Cheapest flight

$313
Most popular time to fly with an average 40% increase in price.
Flight from Washington, D.C. Dulles Intl Airport to Southampton

When to book flights from Dulles Intl to Southampton

Are your dates flexible? Find out the best times to travel from Dulles Intl to Southampton based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Dulles Intl Airport to Southampton flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Southampton?

    Flights from Washington, D.C. Dulles Intl Airport to Southampton usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Southampton Eastleigh (SOU).

  • What cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Southampton?

    Two cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Southampton:

    • Economy Class
    • Business Class

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Southampton pass through?

    Connecting flights from Washington, D.C. Dulles Intl Airport to Southampton most commonly pass through:

    • Dublin (DUB) - 55% of one-stop connections
    • Amsterdam Schiphol (AMS) - 45% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Southampton?

    Yes. Being flexible with your travel dates can save you up to 31% on the Washington, D.C. Dulles Intl Airport to Southampton route. Wednesday is the cheapest departure day at $1,079 round-trip on average, while Friday is the most expensive at $1,561, a difference of $482. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Southampton?

    Some of the most popular sights in Southampton are Southampton Central Railway Station, Southampton town walls and SeaCity Museum. These are among the most viewed places in Southampton on KAYAK.

  • How long is a flight from Washington, D.C. Dulles Intl Airport to Southampton?

    There are currently no nonstop flights available from Washington, D.C. Dulles Intl Airport to Southampton. Flights with 1 layover take between 10h 43m and 11h 28m in total, depending on the connection.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Southampton?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to Southampton looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Southampton are currently lower than usual. Average one-way flight prices are about $538, which is 16% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Washington, D.C. Dulles Intl Airport to Southampton?

    Flying via Amsterdam Schiphol (AMS) gives the shortest average 1-stop total travel time at 10h 43m, compared with 11h 28m via Dublin (DUB).

  • What is the time difference between Washington, D.C. Dulles Intl Airport and Southampton?

    Southampton is 5 hours ahead of Washington, D.C. Dulles Intl Airport (British Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Southampton Eastleigh Airport (SOU)?

    Southampton Eastleigh Airport (SOU) hosts 5 major car rental companies, with daily rates starting from around $14 for economy cars. Top options include:
    • Alamo
    • Budget
    • Avis
    • Enterprise Rent-A-Car
    • Sixt

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Southampton flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Southampton range from $1,079 to $1,363, with an average of $1,117 over the past 12 months. Anything below $1,079 counts as a good deal.

Your guide to booking Washington, D.C. Dulles Intl Airport to Southampton flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Friday. On this route, Wednesday flights average $1,079 - about $482 less than Friday (31% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Southampton trip for March. Fares historically average $937 round-trip in that month - typically $3,839 less than the most expensive month, which is October (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Southampton Eastleigh Airport.
    - DoubleTree by Hilton Southampton
    - Premier Inn Southampton Airport

More options for your flight from Dulles Intl to Southampton

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

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