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$667+ Cheap flights from San Sebastian (EAS) to San Francisco (SFO)

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
EAS — SFO
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
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Cheap flight deals from San Sebastian to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from San Sebastian (EAS) to San Francisco (SFO). 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 octubre 29, 2025.

Round-trip from

$667
(Iberia)
From San Sebastián to San Francisco
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Find flight deals from San Sebastian to San Francisco

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

This Iberia deal was found by Cheapflights users on 10/27. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/119:20 amEAS - SFO
2 stops20h 10mIberia
jue. 12/187:00 amSFO - EAS
2 stops16h 40mIberia
Deal found 10/27$1,043

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Sebastian to San Francisco 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 octubre 29, 2025.
Use the filters below to find and compare flights from San Sebastian to San Francisco that are best for you.

Fly from

San Sebastian

Fly to

San Francisco

Route

Depart

Return

Price

San SebastianSan Francisco

EAS - SFO

EASSFO

San Sebastián

jue. 2/19

9:20 am-10:58 pm

2 stops22h 38m

San Francisco

lun. 2/23

8:40 pm-8:40 am

2 stops27h 00m

$667

San SebastianSan Francisco

EAS - SFO

EASSFO

San Sebastián

jue. 2/19

9:20 am-10:04 pm

2 stops21h 44m

San Francisco

dom. 2/22

12:29 am-8:40 am

2 stops23h 11m

$803

San SebastianSan Francisco

EAS - SFO

EASSFO

San Sebastián

jue. 12/11

9:20 am-8:30 pm

2 stops20h 10m

San Francisco

jue. 12/18

7:00 am-8:40 am

2 stops16h 40m

$1,043

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Best time to book a flight from San Sebastian to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from San Sebastian 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 San Sebastian to San Francisco

What is the cheapest month to book a flight from San Sebastian to San Francisco?

Currently, September is the cheapest month in which you can book a flight from San Sebastian to San Francisco (average of $332). Flying from San Sebastian to San Francisco in December is currently the most expensive (average of $716). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

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

  • How long is the flight from San Sebastian to San Francisco?

    Iberia and American Airlines can get you from San Sebastian to San Francisco in just under 21h 44m. Your travel time can differ by up to 54m. The distance between San Sebastian and San Francisco is about 5714 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from San Sebastian to San Francisco?

    Currently, September is the cheapest month in which you can book a flight from San Sebastian to San Francisco (average of $332). Flying from San Sebastian to San Francisco in December is currently the most expensive (average of $716). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Francisco?

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