HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Sebastian

$592+ Cheap flights from San Francisco (SFO) to San Sebastian (EAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — EAS
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to San Sebastian with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Francisco to San Sebastian

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) 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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$687
(Expedia)

One-way from

$592
(American Airlines)

Popular in

May

Cheapest in

February

Average price

$1,290
Provider with most accurate pricing for San Francisco-San Sebastián flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-San Sebastián flights.
Search Deals
From San Francisco to San Sebastián
Search Deals
One-way flight from San Francisco to San Sebastián
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($236 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from San Francisco to San Sebastian

Cheapest flights from San Francisco to San Sebastian
Explore the most affordable flight options available from San Francisco to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This Mytrip deal was found by Cheapflights users on 11/11. 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.
Sat 12/134:35 pmSFO - EAS
3 stops35h 55mMultiple Airlines
Tue 12/162:05 pmEAS - SFO
2 stops33h 25mMultiple Airlines
Deal found 11/11$1,258
This Expedia deal was found by Cheapflights users on 11/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:00 amSFO - EAS
2 stops16h 40mIberia
Tue 12/161:40 pmEAS - SFO
2 stops19h 35mIberia
Deal found 11/11$1,501
This Expedia deal was found by Cheapflights users on 11/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:00 amSFO - EAS
2 stops17h 40mIberia
Sun 1/49:30 pmEAS - SFO
2 stops51h 05mIberia
Deal found 11/13$1,935
This Iberia deal was found by Cheapflights users on 11/12. 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.
Fri 11/148:00 amSFO - EAS
2 stops39h 40mIberia
Tue 11/189:20 amEAS - SFO
2 stops22h 39mIberia
Deal found 11/12$2,099
This American Airlines deal was found by Cheapflights users on 11/11. 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.
Fri 11/146:00 amSFO - EAS
2 stops29h 50mAmerican Airlines
Tue 11/181:40 pmEAS - SFO
2 stops30h 27mAmerican Airlines
Deal found 11/11$2,211
This Ovago deal was found by Cheapflights users on 11/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:30 pmSFO - EAS
2 stops30h 10mIberia
Fri 1/29:20 amEAS - SFO
2 stops21h 47mIberia
Deal found 11/11$2,393
This Mytrip deal was found by Cheapflights users on 11/13. 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.
Sun 12/284:40 pmSFO - EAS
3 stops35h 50mMultiple Airlines
Sun 1/42:05 pmEAS - SFO
3 stops31h 35mMultiple Airlines
Deal found 11/13$2,458
This Mytrip deal was found by Cheapflights users on 11/11. 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.
Fri 12/267:10 pmSFO - EAS
3 stops33h 20mMultiple Airlines
Fri 1/22:05 pmEAS - SFO
3 stops34h 30mMultiple Airlines
Deal found 11/11$2,762

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco 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 November 13, 2025.
Use the filters below to find and compare flights from San Francisco to San Sebastian that are best for you.

Fly from

San Francisco

Fly to

San Sebastian

Route

Depart

Return

Price

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Fri 1/30

10:35 am-8:50 pm

2 stops25h 15m

San Sebastián

Mon 2/2

9:30 pm-9:17 am

2 stops20h 47m

$687

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 1/12

6:00 am-1:00 pm

2 stops22h 00m

San Sebastián

Tue 1/20

1:40 pm-12:47 am

2 stops20h 07m

$741

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Sun 1/11

7:00 am-8:40 am

2 stops16h 40m

San Sebastián

Fri 1/23

9:20 am-8:25 pm

2 stops20h 05m

$837

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 1/12

10:30 pm-8:40 am

2 stops25h 10m

San Sebastián

Thu 1/22

1:40 pm-12:47 am

2 stops20h 07m

$837

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 1/12

12:17 am-8:40 am

2 stops23h 23m

San Sebastián

Mon 1/19

9:30 pm-4:01 pm

2 stops27h 31m

$837

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Tue 1/13

7:00 am-8:40 am

2 stops16h 40m

San Sebastián

Tue 1/20

9:20 am-9:37 pm

2 stops21h 17m

$837

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 1/12

10:30 pm-8:40 am

2 stops25h 10m

San Sebastián

Fri 1/23

1:40 pm-12:47 am

2 stops20h 07m

$837

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Sat 1/10

11:35 pm-8:40 am

2 stops24h 05m

San Sebastián

Fri 1/23

9:20 am-8:25 pm

2 stops20h 05m

$837

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Fri 1/30

5:30 pm-8:50 pm

2 stops18h 20m

San Sebastián

Tue 2/3

9:20 am-11:36 pm

2 stops23h 16m

$851

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Sat 1/10

2:37 pm-8:40 am

2 stops57h 03m

San Sebastián

Mon 1/19

9:30 pm-5:24 pm

2 stops28h 54m

$853

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Showing 1-10 of 19 results
1
2

Compare providers for flights from San Francisco 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 San Francisco to San Sebastian in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 San Francisco-San Sebastian flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Francisco-San Sebastian flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Francisco-San Sebastian flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-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 San Francisco-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 San Francisco to San Sebastian

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

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

Currently, March is the cheapest month in which you can book a flight from San Francisco to San Sebastian (average of $395). Flying from San Francisco to San Sebastian in June is currently the most expensive (average of $901). 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.

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

Find hourly flight availability from San Francisco 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 November 13, 2025.

When flying from San Francisco to San Sebastian, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 27% versus a flight at noon.

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 November 13, 2025.
Read through reviews of airlines operating flights from San Francisco to San Sebastian, such as American Airlines and Iberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,050 reviews

Crew

8.0

Overall

7.2

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Food

6.4

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
American Airlines
7.2
Good
11,050 reviews
American Airlines
7.2
Good
11,050 reviews

Crew

8.0

Overall

7.2

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Food

6.4

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
Iberia
7.0
Good
3,010 reviews
American Airlines
7.2
Good
11,050 reviews

Crew

8.0

Overall

7.2

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Food

6.4

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to San Sebastian. 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 Francisco to San Sebastian?

    Departing from San Francisco to San Sebastian will take you 22h. The distance from San Francisco to San Sebastian is about 5714 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from San Francisco to San Sebastian round-trip?

    Our cheapest airline available from San Francisco to San Sebastian is Iberia. Our recent data shows that you can find tickets from as low as $662 on this airline. An additional option worth looking into is American Airlines, starting at $714. Users have found that Iberia is 35% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco 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.

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

    Currently, March is the cheapest month in which you can book a flight from San Francisco to San Sebastian (average of $395). Flying from San Francisco to San Sebastian in June is currently the most expensive (average of $901). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from San Francisco to San Sebastian

Discover the top 2 airlines that operate flights from San Francisco to San Sebastian. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$662Average$1,048FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$714Average$1,107FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.