Cheap flights from Seattle (SEA) to San Sebastian (EAS)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

How to find the cheapest flight from
Seattle (SEA) to San Sebastian (EAS)

All the information you need to plan the best SEA to EAS flight in 2022: compare Seattle to San Sebastian flight prices with the expected peak season, weather and rainfall in San Sebastian.
When is the cheapest time to fly from Seattle to San Sebastian (SEA - EAS)?

When flying from Seattle to San Sebastian, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 57% versus a flight at noon.

What is the cheapest day to fly round-trip from Seattle to San Sebastian?

Travelers have found that booking a Sunday departure is the best way to save up to 136% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

Seattle/Tacoma Intl to San Sebastian 2022 flight deals

Cheap flights to San Sebastian from Seattle found for this year
26 Dec - 8 Jan
$906pp
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
EAS
San Sebastián
EAS
San Sebastián
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
18 Oct - 23 Oct
$1,042pp
SEA
Seattle/Tacoma Intl
British Airways
   
2 STOPS
EAS
San Sebastián
EAS
San Sebastián
British Airways
   
2 STOPS
SEA
Seattle/Tacoma Intl
25 Dec - 8 Jan
$1,060pp
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
EAS
San Sebastián
EAS
San Sebastián
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

Cheap American Airlines flights from Seattle to San Sebastian

26 Dec - 8 Jan
$906pp
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
EAS
San Sebastián
EAS
San Sebastián
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
25 Dec - 8 Jan
$1,060pp
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
EAS
San Sebastián
EAS
San Sebastián
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

Cheap British Airways flights from Seattle to San Sebastian

18 Oct - 23 Oct
$1,042pp
SEA
Seattle/Tacoma Intl
British Airways
   
2 STOPS
EAS
San Sebastián
EAS
San Sebastián
British Airways
   
2 STOPS
SEA
Seattle/Tacoma Intl

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">San Sebastian</span> flights.

Flight FAQs

From Seattle to San Sebastian

Which airlines flying from Seattle/Tacoma Intl to San Sebastián have flexible cancellations due to COVID-19?

Iberia and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Seattle to San Sebastian for under $1,000 on Cheapflights?

Yes, there are multiple flights from Seattle to San Sebastian for under $1,000. The cheapest flight booked recently is on American Airlines for just $906, but on average you can expect to pay $1,184.

What are the cheapest flights from Seattle to San Sebastian?

On average you can expect to pay $1,181 for a flight from Seattle to San Sebastian. The cheapest flight overall is $480 while the most popular route, (Seattle/Tacoma Intl - San Sebastián) is currently priced at $1,042.

COVID Restrictions

View COVID Travel Restrictions for San Sebastian, Spain

Do I need a COVID test to fly to San Sebastian from Seattle?

Information is based on travel restrictions from Seattle/Tacoma Intl to San Sebastián

Most visitors from Seattle/Tacoma Intl need to provide a negative COVID-19 test result and/or quarantine to enter San Sebastián.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours for RT-PCR (NAAT) and 24 hours for Antigen (quick-test) before departing to San Sebastián.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering San Sebastián.

Do I need a test to fly back to Seattle from San Sebastian?

Returning to Seattle/Tacoma Intl from San Sebastián

COVID-19 testing requirements
Visitors from San Sebastián are not required to present a negative COVID-19 PCR test or antigen result upon entering Seattle/Tacoma Intl.

Quarantine requirements
Visitors from San Sebastián are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for San Sebastian, Spain
Home Flights Europe Spain San Sebastian Cheap flights from Seattle to San Sebastian