SEA - EAS

$373 Find Cheap Flights from Seattle to San Sebastian

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 San Sebastian departing on 8/18. 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

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
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Flights 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

Wed, Aug 6 - Wed, Aug 13
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8:20 pm - 8:40 amSEA-EAS
27h 20m2 stops
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9:30 pm - 10:26 pmEAS-SEA
33h 56m2 stops
$973
Find Deal
Sun, Sep 21 - Sat, Sep 27
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8:20 pm - 8:40 amSEA-EAS
27h 20m2 stops
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9:30 pm - 11:30 amEAS-SEA
23h 00m2 stops
$1,006
Find Deal
Wed, Aug 6 - Wed, Aug 13
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3:45 pm - 8:30 amSEA-EAS
31h 45m3 stops
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9:10 am - 8:40 pmEAS-SEA
20h 30m3 stops
$1,157
Find Deal
Sun, Sep 21 - Sat, Sep 27
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7:00 pm - 12:55 pmSEA-EAS
32h 55m3 stops
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9:00 am - 8:40 pmEAS-SEA
20h 40m3 stops
$1,229
Find Deal
Sat, Jul 26 - Sat, Aug 2
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3:45 pm - 8:10 amSEA-EAS
31h 25m3 stops
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8:55 am - 8:40 pmEAS-SEA
20h 45m3 stops
$1,254
Find Deal
Wed, Aug 6 - Wed, Aug 13
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3:45 pm - 8:30 amSEA-EAS
31h 45m3 stops
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9:10 am - 10:35 amEAS-SEA
34h 25m2 stops
$1,342
Find Deal
Fri, Jul 25 - Fri, Aug 1
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3:45 pm - 8:00 amSEA-EAS
31h 15m3 stops
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9:05 am - 10:35 amEAS-SEA
34h 30m2 stops
$1,396
Find Deal
Fri, Jul 25 - Fri, Aug 1
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3:45 pm - 8:00 amSEA-EAS
31h 15m3 stops
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9:05 am - 10:35 amEAS-SEA
34h 30m3 stops
$1,408
Find Deal
Sun, Sep 21 - Sat, Sep 27
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7:00 pm - 12:55 pmSEA-EAS
32h 55m3 stops
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9:00 am - 8:29 pmEAS-SEA
20h 29m2 stops
$1,536
Find Deal
Sat, Jul 26 - Sat, Aug 2
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3:45 pm - 8:10 amSEA-EAS
31h 25m3 stops
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8:55 am - 7:14 pmEAS-SEA
19h 19m2 stops
$1,601
Find Deal
Useful Info

Good to know

Cheapest flight$373
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 $373 for a one-way ticket and $973 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.

  • Which airline alliances offer flights from Seattle to San Sebastian?

    oneworld is the only airline alliance operating flights between Seattle and San Sebastian.

  • 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)

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