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San Sebastian

$789+ Cheap flights from Seattle (SEA) to San Sebastian (EAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EAS
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from Seattle to San Sebastian

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to San Sebastian (EAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,133
(Mytrip)
Provider with most accurate pricing for Seattle/Tacoma Intl-San Sebastián flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-San Sebastián flights.
Search Deals
From Seattle/Tacoma Intl to San Sebastián
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Find flight deals from Seattle to San Sebastian

Cheapest flights from Seattle to San Sebastian
Explore the most affordable flight options available from Seattle to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This Orbitz deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/232:01 pmSEA - EAS
2 stops33h 39mIberia
Sun 9/289:30 pmEAS - SEA
2 stops35h 20mIberia
Deal found 4/28$789
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1011:59 pmSEA - EAS
2 stops23h 41mAmerican Airlines
Sun 8/319:20 amEAS - SEA
2 stops21h 12mAmerican Airlines
Deal found 4/28$1,050
This Mytrip deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/102:05 pmSEA - EAS
3 stops33h 20mMultiple Airlines
Tue 6/171:30 pmEAS - SEA
3 stops39h 58mMultiple Airlines
Deal found 4/28$1,133

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to San Sebastian that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
Use the filters below to find and compare flights from Seattle to San Sebastian that are best for you.

Fly from

Seattle

Fly to

San Sebastian

Route

Depart

Return

Price

SeattleSan Sebastian

SEA - EAS

SEAEAS

Seattle/Tacoma Intl

Tue 9/23

2:01 pm-8:40 am

2 stops33h 39m

San Sebastián

Sun 9/28

9:30 pm-11:50 pm

2 stops35h 20m

$789

SeattleSan Sebastian

SEA - EAS

SEAEAS

Seattle/Tacoma Intl

Sun 8/10

11:59 pm-8:40 am

2 stops23h 41m

San Sebastián

Sun 8/31

9:20 am-9:32 pm

2 stops21h 12m

$1,050

SeattleSan Sebastian

SEA - EAS

SEAEAS

Seattle/Tacoma Intl

Tue 6/10

2:05 pm-8:25 am

3 stops33h 20m

San Sebastián

Tue 6/17

1:30 pm-8:28 pm

3 stops39h 58m

$1,133

SeattleSan Sebastian

SEA - EAS

SEAEAS

Seattle/Tacoma Intl

Thu 6/12

1:35 pm-8:50 pm

2 stops22h 15m

$1,238

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Compare providers for flights from Seattle to San Sebastian

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to San Sebastian in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-San Sebastian flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-San Sebastian flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-San Sebastian flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-San Sebastian flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-San Sebastian flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to San Sebastian

Have a flexible travel schedule? Discover the best time to fly to San Sebastian from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to San Sebastian

What is the cheapest time of day to fly from SEA to EAS?

Find hourly flight availability from Seattle to San Sebastian. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to San Sebastian as you normally would.

Reviews of airlines servicing San Sebastian

Get insights into the airlines that provide service to San Sebastian. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Sebastian. Reviews last updated April 29, 2025.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Entertainment

6.9

Crew

8.0

Overall

7.2

Boarding

7.5

Food

6.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Entertainment

6.9

Crew

8.0

Overall

7.2

Boarding

7.5

Food

6.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.
Iberia
7.0
Good
2,693 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Entertainment

6.9

Crew

8.0

Overall

7.2

Boarding

7.5

Food

6.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.

Related info for your journey

Find useful and relevant information for your journey from Seattle to San Sebastian. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Seattle to San Sebastian that include hotel bookings?

    Yes. In addition to deals on Seattle to San Sebastian flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to San Sebastian?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to San Sebastian.

  • Can I find deals for business class flights from Seattle to San Sebastian?

    Yes. Cheapflights offers flight deals from Seattle to San Sebastian by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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