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Cheap flights from Seattle to San Sebastian from $885

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to San Sebastian

Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
6:45 pm - 8:50 pmSEA  Seattle/Tacoma Intl-EAS San Sebastián
17h 05m2 stops London Heathrow Madrid Barajas
Iberia Logo
9:20 am - 12:47 amEAS  San Sebastián-SEA Seattle/Tacoma Intl
24h 27m2 stops Madrid Barajas Chicago O'Hare Intl
$885Iberia
Tue, Dec 1 - Tue, Dec 8
Iberia Logo
7:30 am - 8:40 amSEA  Seattle/Tacoma Intl-EAS San Sebastián
17h 10m2 stops Dallas/Fort Worth Madrid Barajas
Iberia Logo
6:00 pm - 11:35 amEAS  San Sebastián-SEA Seattle/Tacoma Intl
50h 35m2 stops Barcelona-El Prat London Heathrow
$1,022Iberia
Thu, Mar 18 - Sun, Mar 28
American Airlines Logo
5:00 am - 4:55 pmSEA  Seattle/Tacoma Intl-EAS San Sebastián
27h 55m2 stops Charlotte Douglas Madrid Barajas
American Airlines Logo
1:40 pm - 11:52 pmEAS  San Sebastián-SEA Seattle/Tacoma Intl
43h 12m2 stops Madrid Barajas Chicago O'Hare Intl
$1,074American Airlines
Tue, Mar 16 - Tue, Mar 30
American Airlines Logo
7:00 am - 1:00 pmSEA  Seattle/Tacoma Intl-EAS San Sebastián
46h 00m2 stops Los Angeles Madrid Barajas
American Airlines Logo
1:40 pm - 11:52 pmEAS  San Sebastián-SEA Seattle/Tacoma Intl
43h 12m2 stops Madrid Barajas Chicago O'Hare Intl
$1,083American Airlines
Wed, Mar 17 - Tue, Mar 30
American Airlines Logo
11:55 am - 8:40 amSEA  Seattle/Tacoma Intl-EAS San Sebastián
60h 45m2 stops Philadelphia Madrid Barajas
American Airlines Logo
1:40 pm - 11:52 pmEAS  San Sebastián-SEA Seattle/Tacoma Intl
43h 12m2 stops Madrid Barajas Chicago O'Hare Intl
$1,093American Airlines
Sat, Mar 20 - Tue, Mar 30
American Airlines Logo
5:10 am - 4:55 pmSEA  Seattle/Tacoma Intl-EAS San Sebastián
27h 45m2 stops Dallas/Fort Worth Madrid Barajas
American Airlines Logo
9:30 pm - 8:24 pmEAS  San Sebastián-SEA Seattle/Tacoma Intl
30h 54m2 stops Madrid Barajas Dallas/Fort Worth
$1,113American Airlines
Tue, Mar 16 - Fri, Mar 26
American Airlines Logo
11:49 am - 8:40 amSEA  Seattle/Tacoma Intl-EAS San Sebastián
36h 51m2 stops Los Angeles Madrid Barajas
American Airlines Logo
9:30 pm - 8:24 pmEAS  San Sebastián-SEA Seattle/Tacoma Intl
30h 54m2 stops Madrid Barajas Dallas/Fort Worth
$1,122American Airlines
Wed, Mar 17 - Fri, Mar 26
American Airlines Logo
11:40 pm - 1:00 pmSEA  Seattle/Tacoma Intl-EAS San Sebastián
29h 20m2 stops Dallas/Fort Worth Madrid Barajas
American Airlines Logo
1:40 pm - 11:52 pmEAS  San Sebastián-SEA Seattle/Tacoma Intl
43h 12m2 stops Madrid Barajas Chicago O'Hare Intl
$1,124American Airlines
Fri, Mar 19 - Tue, Mar 30
American Airlines Logo
7:30 am - 1:00 pmSEA  Seattle/Tacoma Intl-EAS San Sebastián
21h 30m2 stops Dallas/Fort Worth Madrid Barajas
American Airlines Logo
1:40 pm - 11:52 pmEAS  San Sebastián-SEA Seattle/Tacoma Intl
43h 12m2 stops Madrid Barajas Chicago O'Hare Intl
$1,124American Airlines
Thu, Mar 18 - Tue, Mar 30
American Airlines Logo
5:10 am - 8:40 amSEA  Seattle/Tacoma Intl-EAS San Sebastián
19h 30m2 stops Dallas/Fort Worth Madrid Barajas
American Airlines Logo
1:40 pm - 11:52 pmEAS  San Sebastián-SEA Seattle/Tacoma Intl
43h 12m2 stops Madrid Barajas Chicago O'Hare Intl
$1,129American Airlines
Tue, Mar 16 - Mon, Mar 29

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Iberia flights from Seattle to San Sebastian

Our best Iberia deals on Seattle to San Sebastian flight tickets
Iberia
Dec 1
SEA6:45 pmSeattle/Tacoma Intl
17h 05m
2 stops
EAS8:50 pmSan Sebastián
Dec 8
EAS9:20 amSan Sebastián
24h 27m
2 stops
SEA12:47 amSeattle/Tacoma Intl
$885
Iberia
Mar 18
SEA7:30 amSeattle/Tacoma Intl
17h 10m
2 stops
EAS8:40 amSan Sebastián
Mar 28
EAS6:00 pmSan Sebastián
50h 35m
2 stops
SEA11:35 amSeattle/Tacoma Intl
$1,022
Iberia
Mar 18
SEA7:30 amSeattle/Tacoma Intl
17h 10m
2 stops
EAS8:40 amSan Sebastián
Mar 29
EAS1:40 pmSan Sebastián
28h 58m
2 stops
SEA9:38 amSeattle/Tacoma Intl
$1,192

American Airlines flights from Seattle to San Sebastian

Our best American Airlines deals on Seattle to San Sebastian flight tickets
American Airlines
Mar 16
SEA5:00 amSeattle/Tacoma Intl
27h 55m
2 stops
EAS4:55 pmSan Sebastián
Mar 30
EAS1:40 pmSan Sebastián
43h 12m
2 stops
SEA11:52 pmSeattle/Tacoma Intl
$1,074
American Airlines
Mar 17
SEA7:00 amSeattle/Tacoma Intl
46h 00m
2 stops
EAS1:00 pmSan Sebastián
Mar 30
EAS1:40 pmSan Sebastián
43h 12m
2 stops
SEA11:52 pmSeattle/Tacoma Intl
$1,083
American Airlines
Mar 20
SEA11:55 amSeattle/Tacoma Intl
60h 45m
2 stops
EAS8:40 amSan Sebastián
Mar 30
EAS1:40 pmSan Sebastián
43h 12m
2 stops
SEA11:52 pmSeattle/Tacoma Intl
$1,093

momondo Fare Finder

 
Use the filters below to find and compare flights from Seattle to San Sebastian that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleSan Sebastian

SEA Seattle/Tacoma Intl - EAS San Sebastián

SEAEAS

Seattle/Tacoma Intl

Tue 12/1

6:45 pm-8:50 pm

2 stops17h 05m

San Sebastián

Tue 12/8

9:20 am-12:47 am

2 stops24h 27m

$885

SeattleSan Sebastian

SEA Seattle/Tacoma Intl - EAS San Sebastián

SEAEAS

Seattle/Tacoma Intl

Thu 3/18

7:30 am-8:40 am

2 stops17h 10m

San Sebastián

Sun 3/28

6:00 pm-11:35 am

2 stops50h 35m

$1,022

SeattleSan Sebastian

SEA Seattle/Tacoma Intl - EAS San Sebastián

SEAEAS

Seattle/Tacoma Intl

Tue 3/16

5:00 am-4:55 pm

2 stops27h 55m

San Sebastián

Tue 3/30

1:40 pm-11:52 pm

2 stops43h 12m

$1,074

SeattleSan Sebastian

SEA Seattle/Tacoma Intl - EAS San Sebastián

SEAEAS

Seattle/Tacoma Intl

Wed 3/17

7:00 am-1:00 pm

2 stops46h 00m

San Sebastián

Tue 3/30

1:40 pm-11:52 pm

2 stops43h 12m

$1,083

SeattleSan Sebastian

SEA Seattle/Tacoma Intl - EAS San Sebastián

SEAEAS

Seattle/Tacoma Intl

Sat 3/20

11:55 am-8:40 am

2 stops60h 45m

San Sebastián

Tue 3/30

1:40 pm-11:52 pm

2 stops43h 12m

$1,093

SeattleSan Sebastian

SEA Seattle/Tacoma Intl - EAS San Sebastián

SEAEAS

Seattle/Tacoma Intl

Tue 3/16

5:10 am-4:55 pm

2 stops27h 45m

San Sebastián

Fri 3/26

9:30 pm-8:24 pm

2 stops30h 54m

$1,113

SeattleSan Sebastian

SEA Seattle/Tacoma Intl - EAS San Sebastián

SEAEAS

Seattle/Tacoma Intl

Wed 3/17

11:49 am-8:40 am

2 stops36h 51m

San Sebastián

Fri 3/26

9:30 pm-8:24 pm

2 stops30h 54m

$1,122

SeattleSan Sebastian

SEA Seattle/Tacoma Intl - EAS San Sebastián

SEAEAS

Seattle/Tacoma Intl

Fri 3/19

11:40 pm-1:00 pm

2 stops29h 20m

San Sebastián

Tue 3/30

1:40 pm-11:52 pm

2 stops43h 12m

$1,124

SeattleSan Sebastian

SEA Seattle/Tacoma Intl - EAS San Sebastián

SEAEAS

Seattle/Tacoma Intl

Thu 3/18

7:30 am-1:00 pm

2 stops21h 30m

San Sebastián

Tue 3/30

1:40 pm-11:52 pm

2 stops43h 12m

$1,124

SeattleSan Sebastian

SEA Seattle/Tacoma Intl - EAS San Sebastián

SEAEAS

Seattle/Tacoma Intl

Tue 3/16

5:10 am-8:40 am

2 stops19h 30m

San Sebastián

Mon 3/29

1:40 pm-11:52 pm

2 stops43h 12m

$1,129

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 airlines fly to San Sebastian?

Lufthansa, Delta and United Airlines are the top three most popular airlines that fly to San Sebastian from Seattle according to our data. Lufthansa is the first choice among our users, with 55% of people opting to fly with this airline when traveling to San Sebastian. Keep in mind that there are 4 different airlines that fly to San Sebastian on a routine basis, so you have a few additional options to choose from.

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

$885

Fastest flight time

20h 30m

Direct flights

None
The best flight deal from Seattle to San Sebastian found on momondo in the last 72 hours is $885
The fastest flight from Seattle to San Sebastian takes 20h 30m
There are no direct flights from Seattle to San Sebastian. There are no popular flight routes from Seattle to San Sebastian.
Search flight deals

Frequently asked questions about flying from Seattle to San Sebastian

  • 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 20h 30m, 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.

Traveling to a place near San Sebastian?

Book flights to San Sebastian if you plan to visit one of these locations
Irun

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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