SEA - EAS

$661 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 12/16. 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

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$1,126
Iberia
Tue 12/16Tue 12/23
SEA - EAS • 2 stops
Cheapest one-way
Multiple Airlines
Sun 11/2
SEA - EAS • multi-stop
Start a new search
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, Dec 16 - Tue, Dec 23
Iberia Logo
5:18 am - 8:40 amSEA-EAS
18h 22m2 stops
Iberia Logo
9:30 pm - 4:55 pmEAS-SEA
52h 25m2 stops
$1,126Iberia
Find Deal
Mon, Dec 15 - Tue, Dec 23
Multiple Airlines Logo
12:31 am - 8:40 amSEA-EAS
23h 09m2 stops
Multiple Airlines Logo
9:20 am - 4:55 pmEAS-SEA
16h 35m2 stops
$1,495Multiple Airlines
Find Deal
Tue, Dec 16 - Tue, Dec 23
Multiple Airlines Logo
5:50 am - 1:30 pmSEA-EAS
22h 40m3 stops
Multiple Airlines Logo
2:05 pm - 5:05 pmEAS-SEA
36h 00m2 stops
$2,162Multiple Airlines
Find Deal
Tue, Dec 16 - Tue, Dec 23
Multiple Airlines Logo
5:50 am - 1:30 pmSEA-EAS
22h 40m3 stops
Multiple Airlines Logo
2:05 pm - 3:40 pmEAS-SEA
34h 35m3 stops
$2,197Multiple Airlines
Find Deal
Sat, Dec 27 - Sat, Jan 3
Multiple Airlines Logo
9:20 pm - 8:40 amSEA-EAS
26h 20m2 stops
Multiple Airlines Logo
2:05 pm - 5:05 pmEAS-SEA
60h 00m2 stops
$2,474Multiple Airlines
Find Deal
Fri, Dec 26 - Sat, Jan 3
Multiple Airlines Logo
12:59 am - 8:40 amSEA-EAS
22h 41m2 stops
Multiple Airlines Logo
2:05 pm - 5:05 pmEAS-SEA
60h 00m2 stops
$2,565Multiple Airlines
Find Deal
Booking Insights

Good to know

Cheapest flight$1,126
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 $1,126 for a round-trip ticket.

  • 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

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.