IAD - SOU

$487 Find Cheap Flights from Washington Dulles Airport to Southampton - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,292
Typical prices: $1,079-$1,370
Aer Lingus
Mon 12/10Mon 12/17
IAD - SOU • 1 stop
Cheapest one-way
$464
Typical prices: $576-$712
Delta
Fri 2/9
IAD - SOU • 2 stops
When to travel
March
Cheapest • 18% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dublin (DUB)
Cheapest • Avg $1,187 (round-trip)
Amsterdam Schiphol (AMS)
Shortest trip • 10h 59m (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

Thu, Dec 10 - Thu, Dec 17
Aer Lingus Logo
8:50 pm - 8:45 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
30h 55m1 stop Dublin
Aer Lingus Logo
9:20 am - 7:20 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
15h 00m1 stop Dublin
$1,292Aer Lingus
Wed, Mar 17 - Mon, Mar 29
Aer Lingus Logo
9:50 pm - 11:55 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
10h 05m1 stop Dublin
Aer Lingus Logo
8:00 pm - 3:45 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
24h 45m1 stop Dublin
$1,319Aer Lingus
Wed, Mar 17 - Mon, Mar 29
Aer Lingus Logo
9:50 pm - 11:55 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
10h 05m1 stop Dublin
Aer Lingus Logo
8:00 pm - 3:45 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
24h 45m1 stop Dublin
$1,320Aer Lingus
Thu, Dec 10 - Thu, Dec 17
Delta Logo
6:20 pm - 5:05 pmIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
17h 45m2 stops New York John F Kennedy Intl Amsterdam Schiphol
Delta Logo
8:40 am - 11:23 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
19h 43m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$1,343Delta
Thu, Dec 10 - Thu, Dec 17
Multiple Airlines Logo
5:25 pm - 2:20 pmIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
15h 55m2 stops Lisbon Humberto Delgado Barcelona-El Prat
Multiple Airlines Logo
12:25 pm - 3:13 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
31h 48m3 stops Dublin Chicago O'Hare Intl Atlanta Hartsfield-Jackson
$1,350Multiple Airlines
Wed, Dec 2 - Wed, Dec 9
Aer Lingus Logo
8:50 pm - 8:50 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
31h 00m1 stop Dublin
Aer Lingus Logo
9:20 am - 3:45 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
11h 25m1 stop Dublin
$1,358Aer Lingus
Thu, Dec 10 - Thu, Dec 17
Multiple Airlines Logo
10:55 pm - 8:45 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
28h 50m3 stops Munich Franz Josef Strauss Amsterdam Schiphol Dublin
Multiple Airlines Logo
8:00 pm - 8:05 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
29h 05m3 stops Dublin Amsterdam Schiphol Munich Franz Josef Strauss
$1,358Multiple Airlines
Thu, Dec 10 - Thu, Dec 17
Multiple Airlines Logo
5:15 pm - 8:50 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
10h 35m1 stop Dublin
Multiple Airlines Logo
12:25 pm - 3:45 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
32h 20m1 stop Dublin
$1,368Multiple Airlines
Wed, Mar 24 - Sat, Mar 27
Aer Lingus Logo
9:50 pm - 8:50 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
31h 00m1 stop Dublin
Aer Lingus Logo
12:25 pm - 3:45 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
31h 20m1 stop Dublin
$1,375Aer Lingus
Fri, Jan 1 - Fri, Jan 8
Aer Lingus Logo
8:50 pm - 8:45 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
30h 55m1 stop Dublin
Aer Lingus Logo
9:20 am - 3:45 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
11h 25m1 stop Dublin
$1,465Aer Lingus
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 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 typically range from $1,079 to $1,370. The lowest price found in the past 5 days was $1,292, on Aer Lingus.

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

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Southampton. It’s 6% cheaper than the average day, while Friday is the most expensive, with prices 35% higher.

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

Cheapest flight

$464
The most popular month to fly with an average 56% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

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

    Only Economy Class is available on flights from Washington, D.C. Dulles Intl Airport to Southampton.

  • 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 59m and 11h 26m 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 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 $1,370, with an average of $1,148 over the past 12 months. Anything below $1,079 counts as a good deal.

  • Have flight prices from Washington, D.C. Dulles Intl Airport to Southampton changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,292 to $4,962. That means the highest observed fare was about 4x higher than the lowest one.

  • 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 higher than usual. Average one-way flight prices are about $907, which is 42% above the typical average for this route.

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

    Southampton Eastleigh Airport (SOU) hosts 5 major car rental companies, with daily rates averaging $52 for economy cars. Top options include:

    • Alamo
    • Budget
    • Avis
    • keddy by Europcar
    • Sixt

  • 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).

  • 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) - 63% of one-stop connections
    • Amsterdam Schiphol (AMS) - 37% of one-stop connections

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

    Yes. Flexible dates can save you up to 31% on flights from Washington, D.C. Dulles Intl Airport to Southampton. Wednesday is the cheapest departure day at $1,080 round-trip on average, while Friday is the most expensive at $1,561, a difference of $481.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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 59m, compared with 11h 26m 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 popular places can I visit in Southampton?

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

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 are flexible, aim for a Wednesday departure and avoid flying on Friday. On this route, Wednesday flights average $1,080, about $481 less than Friday fares (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 $624 less than the most expensive month, which is June (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

Car rentals in Southampton
Hotels in Southampton