SEA - EAS

$421 Find Cheap Flights from Seattle to San Sebastian

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to San Sebastian departing on 4/14. 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 San Sebastian

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to San Sebastian, 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 San Sebastian, 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
$544
Iberia
Tue 4/14Thu 4/23
SEA - EAS • 2 stops
Cheapest one-way
$587
Multiple Airlines
Fri 4/10
SEA - EAS • 2 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 San Sebastian!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seattle to San Sebastian (SEA-EAS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to San Sebastian 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 San Sebastian

Tue, Apr 14 - Thu, Apr 23
Iberia Logo
11:41 am - 8:50 pm
SEA
-
EAS
24h 09m
2 stops
Iberia Logo
1:40 pm - 12:44 am
EAS
-
SEA
20h 04m
2 stops
$544Iberia
Mon, Apr 13 - Wed, Apr 22
Iberia Logo
7:00 am - 1:00 pm
SEA
-
EAS
21h 00m
2 stops
Iberia Logo
1:40 pm - 12:44 am
EAS
-
SEA
20h 04m
2 stops
$763Iberia
Mon, Apr 13 - Thu, Apr 23
Iberia Logo
7:00 am - 1:00 pm
SEA
-
EAS
21h 00m
2 stops
Iberia Logo
1:40 pm - 12:44 am
EAS
-
SEA
20h 04m
2 stops
$776Iberia
Sun, Apr 12 - Wed, Apr 22
American Airlines Logo
11:26 pm - 1:00 pm
SEA
-
EAS
28h 34m
2 stops
American Airlines Logo
1:40 pm - 12:44 am
EAS
-
SEA
20h 04m
2 stops
$786American Airlines
Sun, Apr 12 - Thu, Apr 23
Iberia Logo
7:00 am - 1:00 pm
SEA
-
EAS
21h 00m
2 stops
Iberia Logo
9:20 am - 10:47 pm
EAS
-
SEA
22h 27m
2 stops
$814Iberia
Sat, Apr 11 - Wed, Apr 22
American Airlines Logo
11:55 pm - 8:40 am
SEA
-
EAS
47h 45m
2 stops
American Airlines Logo
1:40 pm - 12:44 am
EAS
-
SEA
20h 04m
2 stops
$844American Airlines
Thu, Apr 16 - Tue, Apr 21
American Airlines Logo
7:00 am - 1:00 pm
SEA
-
EAS
21h 00m
2 stops
American Airlines Logo
1:40 pm - 10:26 pm
EAS
-
SEA
41h 46m
2 stops
$848American Airlines
Sun, Apr 12 - Mon, Apr 20
Iberia Logo
7:00 am - 1:00 pm
SEA
-
EAS
21h 00m
2 stops
Iberia Logo
9:20 am - 11:39 pm
EAS
-
SEA
23h 19m
2 stops
$864Iberia
Sat, Apr 11 - Thu, Apr 23
American Airlines Logo
11:55 pm - 8:40 am
SEA
-
EAS
47h 45m
2 stops
American Airlines Logo
1:40 pm - 12:44 am
EAS
-
SEA
20h 04m
2 stops
$891American Airlines
Wed, Apr 15 - Tue, Apr 21
American Airlines Logo
7:00 am - 8:40 am
SEA
-
EAS
40h 40m
2 stops
American Airlines Logo
1:40 pm - 9:35 am
EAS
-
SEA
28h 55m
2 stops
$895American Airlines
Booking Insights

KAYAK's insights & trends for Seattle to San Sebastian flights

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

Which airlines provide the cheapest flights from Seattle to San Sebastian?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Seattle to San Sebastian were found on Iberia ($544) and American Airlines ($786).

Find deals

Good to know

Cheapest flight$544
Flight from Seattle to San Sebastian

When to book flights from Seattle to San Sebastian

Are your dates flexible? Find out the best times to travel from Seattle to San Sebastian 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 San Sebastian

  • What is the cheapest flight from Seattle to San Sebastian?

    In the last 3 days, the lowest price for a flight from Seattle to San Sebastian was $421 for a one-way ticket and $544 for a round-trip.

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

    Yes

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

    Seattle airport is called Seattle/Tacoma Intl and the only airport in San Sebastian is San Sebastián.

  • Which aircraft models fly most regularly from Seattle to San Sebastian?

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

  • How does KAYAK find such low prices on flights from Seattle to San Sebastian?

    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 San Sebastian.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Sebastian 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 San Sebastian?

    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 San Sebastian with an airline and back to Seattle with another airline. Booking your flights between Seattle and EAS 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 San Sebastian?

    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 San Sebastian 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 San Sebastian

Information on your arrival and departure airports

Seattle (SEA)
San Sebastian (EAS)