SEA - SOU

$748 Find Cheap Flights from Seattle to Southampton

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Southampton departing on 6/9. 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 Southampton

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Southampton, 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 Seattle to Southampton, as well as popular online travel agencies
Travelers love KAYAK
41.299.237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$748
Delta
za 3/7di 3/17
SEA - SOU • 1 stop
Cheapest one-way
$542
Aer Lingus
di 6/9
SEA - SOU • 1 stop
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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 Southampton!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seattle to Southampton (SEA-SOU)

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

Recent round-trip flight deals from Seattle to Southampton

za, mrt. 7 - di, mrt. 17
Delta Logo
3:05 pm - 5:15 pm
SEA
-
SOU
18h 10m1 stop
Delta Logo
5:35 pm - 12:35 pm
SOU
-
SEA
26h 00m1 stop
$748Delta
za, mrt. 7 - wo, mrt. 18
Delta Logo
7:30 am - 5:15 pm
SEA
-
SOU
25h 45m2 stops
Delta Logo
5:35 pm - 12:35 pm
SOU
-
SEA
26h 00m1 stop
$752Delta
za, mrt. 7 - do, mrt. 19
Delta Logo
3:05 pm - 5:15 pm
SEA
-
SOU
18h 10m1 stop
Delta Logo
8:50 am - 11:54 pm
SOU
-
SEA
22h 04m2 stops
$758Delta
vr, jan. 30 - vr, feb. 6
Delta Logo
7:10 am - 8:45 am
SEA
-
SOU
17h 35m2 stops
Delta Logo
9:00 am - 8:46 pm
SOU
-
SEA
19h 46m2 stops
$762Delta
wo, mrt. 11 - do, mrt. 19
Delta Logo
10:59 pm - 8:05 am
SEA
-
SOU
26h 06m2 stops
Delta Logo
8:50 am - 9:50 pm
SOU
-
SEA
20h 00m2 stops
$763Delta
vr, mrt. 6 - wo, mrt. 18
Delta Logo
3:30 pm - 5:15 pm
SEA
-
SOU
41h 45m2 stops
Delta Logo
5:35 pm - 12:35 pm
SOU
-
SEA
26h 00m1 stop
$764Delta
za, mrt. 7 - vr, mrt. 20
Delta Logo
3:05 pm - 5:15 pm
SEA
-
SOU
18h 10m1 stop
Delta Logo
8:40 am - 5:00 pm
SOU
-
SEA
39h 20m2 stops
$765Delta
vr, mrt. 6 - ma, mrt. 23
Delta Logo
8:30 pm - 5:15 pm
SEA
-
SOU
36h 45m2 stops
Delta Logo
5:35 pm - 6:26 pm
SOU
-
SEA
31h 51m2 stops
$768Delta
za, mrt. 7 - zo, mrt. 22
Delta Logo
3:05 pm - 5:15 pm
SEA
-
SOU
18h 10m1 stop
Delta Logo
9:30 am - 12:35 pm
SOU
-
SEA
34h 05m1 stop
$945Delta
wo, mrt. 11 - zo, mrt. 22
Delta Logo
4:00 pm - 8:05 am
SEA
-
SOU
33h 05m1 stop
Delta Logo
5:45 pm - 12:35 pm
SOU
-
SEA
25h 50m1 stop
$1,016Delta
Booking Insights

KAYAK's insights & trends for Seattle to Southampton flights

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

What is the most popular layover airport when flying from Seattle to Southampton?

Percentage of 1-stop round-trip flights from Seattle to Southampton chosen by KAYAK users via each layover airport in the last 12 months (only includes trips with the same layover airport on both legs).

Amsterdam (AMS) is the top choice – 55% of KAYAK users who clicked on 1-stop flights from Seattle to Southampton picked an itinerary connecting there.

What is the cheapest layover airport when flying from Seattle to Southampton?

Average round-trip price for 1-stop flights from Seattle to Southampton clicked by KAYAK users in the last 12 months (only includes trips with the same layover airport on both legs).

Flights via Dublin (DUB) offer the most affordable fares, with an average round-trip price of $1,965.

Which layover airport offers the shortest total travel time from Seattle to Southampton?

Shortest average total travel time for 1-stop one-way flights from Seattle to Southampton via different layover airports, based on KAYAK user data from the last 12 months.

Consider flying via Dublin (DUB) for the shortest journey. The average one-way travel time for flights connecting there is 14h 15m.

Which layover airport has the quickest connection when flying from Seattle to Southampton?

Average layover duration at different layover airports for 1-stop one-way flights from Seattle to Southampton, based on KAYAK user data from the last 12 months.

If you prefer a quick connection, Dublin (DUB) often has the shortest layovers from Seattle to Southampton, with an average of 4h 00m.

Find deals

Good to know

Cheapest flight$542
Flight from Seattle to Southampton

When to book flights from Seattle to Southampton

Are your dates flexible? Find out the best times to travel from Seattle to Southampton 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 flights from Seattle to Southampton

  • What is the cheapest flight from Seattle to Southampton?

    In the last 3 days, the lowest price for a flight from Seattle to Southampton was $542 for a one-way ticket and $748 for a round-trip.

  • Do I need a passport to fly between Seattle and Southampton?

    Yes

  • Which airports will I be using when flying from Seattle to Southampton?

    On your way to Southampton, you’ll fly out from Seattle/Tacoma Intl. You’ll be landing at Southampton Eastleigh.

  • Which aircraft models fly most regularly from Seattle to Southampton?

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

  • How does KAYAK find such low prices on flights from Seattle 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 Seattle to Southampton.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Southampton from Seattle 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 Seattle to Southampton?

    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 Southampton with an airline and back to Seattle with another airline. Booking your flights between Seattle and SOU 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 Seattle 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 Seattle 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 Seattle to Southampton

Information on your arrival and departure airports

Seattle (SEA)
Southampton (SOU)