WAS - SOU

$480 Find Cheap Flights from Washington, D.C. 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
$1,032
Typical prices: $1,068-$1,424
Multiple Airlines
Sat 12/1Sun 12/16
IAD - SOU • 2 stops
Cheapest one-way
$480
Typical prices: $576-$703
Aer Lingus
Fri 11/9
IAD - SOU • 1 stop
Top routes
DCA - SOU
Cheapest • 4% average savings
IAD - SOU
Most popular
Insights
Insights
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 $1,185 (round-trip)
Amsterdam Schiphol (AMS)
Shortest trip • 10h 58m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Washington, D.C. to Southampton (WAS-SOU)

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

Recent round-trip flight deals from Washington, D.C. to Southampton

Tue, Dec 1 - Wed, Dec 16
Multiple Airlines Logo
7:40 pm - 8:40 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
32h 00m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
8:00 pm - 3:45 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
24h 45m1 stop Dublin
$1,032Multiple Airlines
Wed, Dec 9 - Wed, Dec 16
Multiple Airlines Logo
10:30 pm - 12:55 pmIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
33h 25m2 stops Lisbon Humberto Delgado Manchester
Multiple Airlines Logo
9:20 am - 7:20 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
15h 00m1 stop Dublin
$1,042Multiple Airlines
Tue, Dec 1 - Wed, Dec 16
Multiple Airlines Logo
7:40 pm - 7:30 pmIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
18h 50m3 stops Reykjavik Keflavik Intl Manchester Dublin
Multiple Airlines Logo
9:20 am - 7:20 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
15h 00m1 stop Dublin
$1,054Multiple Airlines
Wed, Dec 9 - Wed, Dec 16
Multiple Airlines Logo
7:40 pm - 8:50 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
32h 10m3 stops Reykjavik Keflavik Intl Amsterdam Schiphol Dublin
Multiple Airlines Logo
8:00 pm - 6:30 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
27h 30m3 stops Dublin Amsterdam Schiphol Reykjavik Keflavik Intl
$1,084Multiple Airlines
Tue, Dec 1 - Wed, Dec 16
Multiple Airlines Logo
7:40 pm - 7:30 pmIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
18h 50m3 stops Reykjavik Keflavik Intl Manchester Dublin
Multiple Airlines Logo
9:20 am - 3:13 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
34h 53m3 stops Dublin Chicago O'Hare Intl Atlanta Hartsfield-Jackson
$1,113Multiple Airlines
Wed, Dec 9 - Wed, Dec 16
Aer Lingus Logo
5:15 pm - 11:55 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
13h 40m1 stop Dublin
Aer Lingus Logo
12:35 pm - 7:20 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
35h 45m3 stops Belfast City Birmingham Dublin
$1,143Aer Lingus
Tue, Dec 1 - Wed, Dec 16
Multiple Airlines Logo
7:40 pm - 7:30 pmIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
18h 50m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
9:20 am - 3:13 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
34h 53m3 stops Dublin Chicago O'Hare Intl Atlanta Hartsfield-Jackson
$1,166Multiple Airlines
Mon, Nov 23 - Wed, Dec 9
Multiple Airlines Logo
7:40 pm - 7:30 pmIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
18h 50m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
8:00 pm - 3:15 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
24h 15m2 stops Dublin Lisbon Humberto Delgado
$1,169Multiple Airlines
Mon, Nov 23 - Wed, Dec 9
Multiple Airlines Logo
7:40 pm - 7:10 pmIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
18h 30m3 stops Reykjavik Keflavik Intl Glasgow Intl Belfast City
Multiple Airlines Logo
8:00 pm - 3:15 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
24h 15m2 stops Dublin Lisbon Humberto Delgado
$1,178Multiple Airlines
Wed, Nov 4 - Sat, Nov 7
Aer Lingus Logo
8:50 pm - 11:55 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
10h 05m1 stop Dublin
Aer Lingus Logo
9:20 am - 3:45 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
11h 25m1 stop Dublin
$1,226Aer Lingus
Booking Insights

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

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What is the cheapest Washington, D.C. to Southampton flight route?

There's little price difference between Washington, D.C. to Southampton routes. They average around $1,108 round-trip, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Washington, D.C. 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. to Southampton. It’s 6% cheaper than the average day, while Friday is the most expensive, with prices 36% higher.

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Key details for Washington, D.C. to Southampton flights

Cheapest flight

$480
The most popular month to fly with an average 39% increase in travelers.
One-way flight from Washington, D.C. Dulles Intl Airport 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 round-trip price

Your Washington, D.C. 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. to Southampton?

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

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

    There are currently no nonstop flights available from Washington, D.C. to Southampton. Flights with 1 layover take between 10h 58m and 11h 27m in total, depending on the connection.

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

    Round-trip flights from Washington, D.C. to Southampton range from $1,068 to $1,424, with an average of $1,140 over the past 12 months. Anything below $1,068 counts as a good deal.

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

    One-way fares from Washington, D.C. to Southampton are currently lower than usual. Average one-way flight prices are about $596, which is 6% below 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 starting from around $14 for economy cars. Top options include:

    • Alamo
    • Budget
    • Avis
    • Sixt
    • Enterprise Rent-A-Car

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

    Flights from Washington, D.C. to Southampton may depart from several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD). Flights usually arrive at Southampton Eastleigh (SOU).

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

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

    • Dublin (DUB) - 60% of one-stop connections
    • Amsterdam Schiphol (AMS) - 40% of one-stop connections

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

    Yes. Flexible dates can save you up to 31% on flights from Washington, D.C. 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. to Southampton?

    Flying via Amsterdam Schiphol (AMS) gives the shortest average 1-stop total travel time at 10h 58m, compared with 11h 27m via Dublin (DUB).

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

    Southampton is 4 hours ahead of Washington, D.C. (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. 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. 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 Washington, D.C. to Southampton

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

Car rentals in Southampton
Hotels in Southampton