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$338+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — EAS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$681
(American Airlines)

One-way from

$338
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,356
From San Francisco to San Sebastián
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One-way flight from San Francisco to San Sebastián
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High demand for flights, 5% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:10 amSFO - EAS
2 stops17h 30mAmerican Airlines
Tue 9/309:20 amEAS - SFO
2 stops20h 12mAmerican Airlines
Deal found 6/12$681
This Iberia deal was found by Cheapflights users on 6/12. 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.
Tue 9/165:45 pmSFO - EAS
1 stop29h 55mIberia
Tue 9/309:20 amEAS - SFO
2 stops20h 01mIberia
Deal found 6/12$685
This Expedia deal was found by Cheapflights users on 6/9. 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.
Mon 9/17:20 pmSFO - EAS
2 stops28h 20mMultiple Airlines
Mon 9/89:30 pmEAS - SFO
1 stop27h 40mMultiple Airlines
Deal found 6/9$788
This British Airways deal was found by Cheapflights users on 6/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/97:20 pmSFO - EAS
1 stop31h 30mBritish Airways
Tue 7/292:50 pmEAS - SFO
2 stops35h 35mBritish Airways
Deal found 6/10$1,511
This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/268:10 pmSFO - EAS
1 stop27h 00mVueling
Sat 8/28:55 amEAS - SFO
1 stop18h 15mVueling
Deal found 6/11$1,549

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 June 12, 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

Tue 9/16

6:10 am-8:40 am

2 stops17h 30m

San Sebastián

Tue 9/30

9:20 am-8:32 pm

2 stops20h 12m

$681

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Tue 9/16

5:45 pm-8:40 am

1 stop29h 55m

San Sebastián

Tue 9/30

9:20 am-8:21 pm

2 stops20h 01m

$685

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Mon 9/1

7:20 pm-8:40 am

2 stops28h 20m

San Sebastián

Mon 9/8

9:30 pm-4:10 pm

1 stop27h 40m

$788

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Wed 7/9

7:20 pm-11:50 am

1 stop31h 30m

San Sebastián

Tue 7/29

2:50 pm-5:25 pm

2 stops35h 35m

$1,511

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Sat 7/26

8:10 pm-8:10 am

1 stop27h 00m

San Sebastián

Sat 8/2

8:55 am-6:10 pm

1 stop18h 15m

$1,549

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Tue 8/5

11:00 am-8:30 am

3 stops36h 30m

$338

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Tue 8/5

8:10 pm-8:30 am

1 stop27h 20m

$356

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Thu 7/24

7:25 pm-8:20 am

1 stop27h 55m

$415

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Sun 7/27

12:55 am-1:00 pm

2 stops27h 05m

$964

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

Wed 7/30

7:20 pm-11:50 am

1 stop31h 30m

$1,364

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 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 June 12, 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 28% 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 June 12, 2025.
Get a feel of what it's like to fly with American Airlines, Vueling and Iberia from San Francisco to San Sebastian by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Entertainment

6.9

Comfort

7.2

Food

6.5

Boarding

7.5

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Entertainment

6.9

Comfort

7.2

Food

6.5

Boarding

7.5

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.
Vueling
7.1
Good
1,169 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Entertainment

6.9

Comfort

7.2

Food

6.5

Boarding

7.5

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.
Iberia
7.0
Good
2,776 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Entertainment

6.9

Comfort

7.2

Food

6.5

Boarding

7.5

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.
British Airways
6.6
Okay
7,008 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Entertainment

6.9

Comfort

7.2

Food

6.5

Boarding

7.5

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.

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.

  • 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 American Airlines. Our recent data shows that you can find tickets from as low as $681 on this airline. Additional options worth looking into are Iberia and British Airways, starting at $685 and $1,511 round-trip. Users have found that American Airlines is 39% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Francisco to San Sebastian one-way?

    The cheapest airline one-way is Vueling, with whom users have recently found tickets for as low as $356. However, be on the lookout for offers from Iberia and American Airlines, as they are both options that can get you from San Francisco to San Sebastian for a low price.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$754Average$1,181FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$802Average$1,356FlexibilityNo cancel feeOn-time71%

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