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Cheap flights from Seattle to San Sebastian from $589

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to San Sebastian departing on 3/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to San Sebastian

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to San Sebastian that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to San Sebastian.

Cheap last minute flights

Planning a quick getaway from Seattle to San Sebastian? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Sebastian, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to San Sebastian

Find recent round-trip train or bus tickets from Seattle to San Sebastian.

All round-trip flight deals to San Sebastian

The cheapest plane tickets to San Sebastian found on KAYAK recently.
3:15 pm - 8:40 amSEA-EAS
32h 25m3 stops
1:40 pm - 2:21 pmEAS-SEA
57h 41m3 stops
Tue, Jan 21 - Tue, Jan 28
5:45 pm - 7:35 amSEA-EAS
28h 50m2 stops
8:10 am - 3:15 pmEAS-SEA
40h 05m2 stops
Tue, Jan 21 - Tue, Jan 28
5:22 am - 1:00 pmSEA-EAS
22h 38m2 stops
9:20 am - 10:43 pmEAS-SEA
22h 23m2 stops
$916American Airlines
Find Deal
Fri, Jan 31 - Fri, Feb 7
5:45 pm - 8:40 amSEA-EAS
29h 55m2 stops
9:30 pm - 3:15 pmEAS-SEA
26h 45m2 stops
Tue, Jan 21 - Tue, Jan 28
2:19 pm - 8:50 pmSEA-EAS
21h 31m2 stops
9:30 pm - 1:06 amEAS-SEA
36h 36m2 stops
$998Iberia
Find Deal
Sat, Feb 1 - Sat, Feb 8
6:50 pm - 8:40 amSEA-EAS
28h 50m2 stops
9:20 am - 11:26 pmEAS-SEA
23h 06m2 stops
$1,070
Find Deal
Tue, Jan 21 - Tue, Jan 28
6:50 pm - 8:40 amSEA-EAS
28h 50m2 stops
9:30 pm - 4:55 pmEAS-SEA
28h 25m2 stops
$1,075Iberia
Find Deal
Tue, Jan 21 - Tue, Jan 28
2:00 pm - 8:00 amSEA-EAS
33h 00m3 stops
1:15 pm - 1:20 pmEAS-SEA
33h 05m3 stops
$1,081
Find Deal
Sat, Feb 1 - Sat, Feb 8
7:24 pm - 1:00 pmSEA-EAS
32h 36m3 stops
9:20 am - 10:49 amEAS-SEA
34h 29m2 stops
$1,616British Airways
Find Deal
Sat, Feb 1 - Sat, Feb 8
12:45 am - 1:00 pmSEA-EAS
27h 15m2 stops
1:40 pm - 11:18 pmEAS-SEA
42h 38m2 stops
$6,662American Airlines
Find Deal
Thu, Jan 30 - Fri, Feb 7
10:35 am - 4:20 pmSEA-EAS
21h 45m3 stops
Sat, Mar 29
10:35 am - 4:20 pmSEA-EAS
21h 45m3 stops
Sat, Mar 29
1:55 pm - 7:50 pmSEA-EAS
45h 55m2 stops
$597British Airways
Find Deal
Sat, Mar 29
8:20 pm - 8:40 amSEA-EAS
27h 20m2 stops
$614Iberia
Find Deal
Sat, Mar 29
2:45 pm - 3:15 pmSEA-EAS
16h 30m1 stop
$632British Airways
Find Deal
Sat, Mar 29
1:45 pm - 8:50 pmSEA-EAS
22h 05m2 stops
$639American Airlines
Find Deal
Fri, Jan 31
3:04 pm - 8:50 pmSEA-EAS
20h 46m2 stops
$769Iberia
Find Deal
Wed, May 14
1:53 pm - 8:50 pmSEA-EAS
21h 57m2 stops
$776Iberia
Find Deal
Wed, May 14
5:50 am - 8:40 amSEA-EAS
17h 50m2 stops
$1,136American Airlines
Find Deal
Fri, May 23
11:20 am - 8:25 pmSEA-EAS
24h 05m3 stops
$1,899British Airways
Find Deal
Fri, May 23

American Airlines flights from Seattle to San Sebastian

Our best American Airlines deals on Seattle to San Sebastian flight tickets
American Airlines
Jan 31
SEA5:22 amSeattle/Tacoma Intl
22h 38m
2 stops
EAS1:00 pmSan Sebastián
Feb 7
EAS9:20 amSan Sebastián
22h 23m
2 stops
SEA10:43 pmSeattle/Tacoma Intl
American Airlines
Jan 30
SEA12:45 amSeattle/Tacoma Intl
27h 15m
2 stops
EAS1:00 pmSan Sebastián
Feb 7
EAS1:40 pmSan Sebastián
42h 38m
2 stops
SEA11:18 pmSeattle/Tacoma Intl

Iberia flights from Seattle to San Sebastian

Our best Iberia deals on Seattle to San Sebastian flight tickets
Iberia
Feb 1
SEA2:19 pmSeattle/Tacoma Intl
21h 31m
2 stops
EAS8:50 pmSan Sebastián
Feb 8
EAS9:30 pmSan Sebastián
36h 36m
2 stops
SEA1:06 amSeattle/Tacoma Intl
Iberia
Jan 21
SEA6:50 pmSeattle/Tacoma Intl
28h 50m
2 stops
EAS8:40 amSan Sebastián
Jan 28
EAS9:30 pmSan Sebastián
28h 25m
2 stops
SEA4:55 pmSeattle/Tacoma Intl
Iberia
Feb 1
SEA2:19 pmSeattle/Tacoma Intl
21h 31m
2 stops
EAS8:50 pmSan Sebastián
Feb 8
EAS9:30 pmSan Sebastián
35h 29m
2 stops
SEA11:59 pmSeattle/Tacoma Intl

See travel insights to San Sebastian from

How to get the cheapest flight ticket from Seattle to San Sebastian

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to San Sebastian?

On average, the least expensive day to fly to San Sebastian from Seattle is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $802. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to San Sebastian for around $802.

What is the cheapest time of day to depart on your flight to San Sebastian?

Flying to San Sebastian from Seattle at noon is the least expensive time of day to depart. momondo users have found prices as low as $802 when looking at flights departing at noon. Flights to San Sebastian are more costly at noon, with an average ticket price of $802. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Seattle to San Sebastian

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to San Sebastian according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to San Sebastian (SEA to EAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to San Sebastian

Best Price Found

$589

Fastest flight time

16h 30m

Direct flights

None

Airports in San Sebastian

1 airport
The best one-way flight to San Sebastian from Seattle in the past 72 hours is $589. The best round-trip flight deal from Seattle to San Sebastian found on momondo in the last 72 hours is $868.
The fastest flight from Seattle to San Sebastian takes 16h 30m
There are no direct flights from Seattle to San Sebastian. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - San Sebastián Airport.
There is 1 airport near San Sebastian: San Sebastián (EAS)

  • How far is Seattle/Tacoma Intl to San Sebastián by plane?

    Seattle/Tacoma Intl and San Sebastián are 5178.8 mi apart from one another. Flights usually cover this in 17h 27m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to San Sebastián Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to San Sebastián Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to San Sebastián Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to San Sebastián Airport.

  • What documentation or ID do you need to fly to San Sebastián Airport?

    The travel and health documents required for your trip to San Sebastián Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Sebastián Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Why use momondo?

Why should I use momondo to find a flight deal from Seattle to San Sebastian?

It is quick and easy to find Seattle to San Sebastian flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Sebastian that suits you.

Can I find flights from Seattle to San Sebastian with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Sebastian from Seattle with this policy.

How can momondo help me find flights from Seattle to San Sebastian?

momondo provides multiple filters to help you find the best flight to San Sebastian from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seattle to San Sebastian right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to San Sebastian flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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