$386+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — EAS
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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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
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Francisco to San SebastianExplore 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 August 17, 2026.
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 August 17, 2026.
This Expedia deal was found by Cheapflights users on 8/13. 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.
Mon 9/284:35 pm -
2 stops19h 15m
Mon 10/59:30 pm -
2 stops29h 32m
Deal found 8/13![Iberia logo]()
$897
This Finnair deal was found by Cheapflights users on 8/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:00 am -
2 stops19h 00m
Sat 10/319:20 am -
2 stops23h 52m
Deal found 8/14![Finnair logo]()
$948
This Orbitz deal was found by Cheapflights users on 8/16. 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.
Fri 10/911:39 am -
2 stops24h 11m
Thu 10/159:30 pm -
2 stops35h 29m
Deal found 8/16![Iberia logo]()
$959
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Mon 8/246:20 am -
2 stops17h 20m
Tue 9/89:20 am -
2 stops19h 36m
Deal found 8/14![American Airlines logo]()
$1,026
This Expedia deal was found by Cheapflights users on 8/15. 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.
Tue 9/81:45 pm -
2 stops22h 05m
Tue 9/159:30 pm -
2 stops36h 29m
Deal found 8/15![Iberia logo]()
$1,035
This British Airways deal was found by Cheapflights users on 8/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:30 am -
2 stops27h 20m
Thu 11/199:30 pm -
2 stops36h 36m
Deal found 8/13![British Airways logo]()
$1,059
This Travelocity deal was found by Cheapflights users on 8/14. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:35 pm -
2 stops31h 05m
Wed 10/79:30 pm -
2 stops29h 32m
Deal found 8/14![Iberia logo]()
$1,061
This Mytrip deal was found by Cheapflights users on 8/13. 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.
Mon 9/288:10 am -
2 stops24h 10m
Mon 10/55:55 pm -
3 stops30h 26m
Deal found 8/13![Multiple Airlines logo]()
$1,073
This Mytrip deal was found by Cheapflights users on 8/15. 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 9/86:00 am -
3 stops41h 30m
Tue 9/155:55 pm -
3 stops29h 40m
Deal found 8/15![Multiple Airlines logo]()
$1,216
Best flights from San Francisco to San SebastianDiscover carefully curated flight deals from San Francisco to San Sebastian that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
Discover carefully curated flight deals from San Francisco to San Sebastian that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
This Finnair deal was found by Cheapflights users on 8/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/610:28 am -
2 stops17h 32m
Sat 2/139:20 am -
2 stops21h 36m
Deal found 8/14![Multiple Airlines logo]()
$935
This Finnair deal was found by Cheapflights users on 8/17. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:00 am -
2 stops19h 00m
Sat 10/319:20 am -
2 stops23h 52m
Deal found 8/17![Finnair logo]()
$948
This Orbitz deal was found by Cheapflights users on 8/16. 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.
Fri 10/911:39 am -
2 stops24h 11m
Thu 10/159:30 pm -
2 stops35h 29m
Deal found 8/16![Iberia logo]()
$959
This British Airways deal was found by Cheapflights users on 8/16. 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.
Sun 11/157:21 am -
2 stops28h 29m
Thu 11/199:30 pm -
2 stops36h 36m
Deal found 8/16![British Airways logo]()
$1,059
This Travelocity deal was found by Cheapflights users on 8/14. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:35 pm -
2 stops31h 05m
Wed 10/79:30 pm -
2 stops29h 32m
Deal found 8/14![Iberia logo]()
$1,061
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Thu 10/19:05 pm -
3 stops26h 15m
Wed 10/75:55 pm -
3 stops35h 52m
Deal found 8/14![Multiple Airlines logo]()
$1,284
This Ovago deal was found by Cheapflights users on 8/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:37 pm -
2 stops42h 13m
Mon 9/79:30 pm -
1 stop27h 50m
Deal found 8/13![Iberia logo]()
$1,276
Last-minute flights from San Francisco to San SebastianDiscover last-minute flight deals from San Francisco to San Sebastian. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to San Sebastian. Data last updated August 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Mon 8/246:20 am -
2 stops17h 20m
Tue 9/89:20 am -
2 stops19h 36m
Deal found 8/14![American Airlines logo]()
$1,026
This Gotogate deal was found by Cheapflights users on 8/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:15 pm -
1 stop17h 35m
Tue 9/89:20 am -
1 stop16h 00m
Deal found 8/14![Multiple Airlines logo]()
$1,235
This Ovago deal was found by Cheapflights users on 8/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:37 pm -
2 stops42h 13m
Mon 9/79:30 pm -
1 stop27h 50m
Deal found 8/13![Iberia logo]()
$1,276
This Expedia deal was found by Cheapflights users on 8/15. 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.
Tue 9/81:45 pm -
2 stops22h 05m
Tue 9/159:30 pm -
2 stops36h 29m
Deal found 8/15![Iberia logo]()
$1,035
This Mytrip deal was found by Cheapflights users on 8/15. 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 9/86:00 am -
3 stops41h 30m
Tue 9/155:55 pm -
3 stops29h 40m
Deal found 8/15![Multiple Airlines logo]()
$1,216
This American Airlines deal was found by Cheapflights users on 8/15. 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 9/85:55 pm -
1 stop29h 45m
Tue 9/159:20 am -
1 stop16h 00m
Deal found 8/15![American Airlines logo]()
$1,264
This Expedia deal was found by Cheapflights users on 8/13. 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.
Mon 9/284:35 pm -
2 stops19h 15m
Mon 10/59:30 pm -
2 stops29h 32m
Deal found 8/13![Iberia logo]()
$897
This Mytrip deal was found by Cheapflights users on 8/13. 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.
Mon 9/288:10 am -
2 stops24h 10m
Mon 10/55:55 pm -
3 stops30h 26m
Deal found 8/13![Multiple Airlines logo]()
$1,073
One-way flights from San Francisco to San SebastianSearch for one-way flight options from San Francisco to San Sebastian. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
Search for one-way flight options from San Francisco to San Sebastian. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:00 pm -
3 stops34h 20m
Deal found 8/14![Multiple Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:40 pm -
2 stops29h 40m
Deal found 8/16![Multiple Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:30 pm -
3 stops30h 50m
Deal found 8/13![Multiple Airlines logo]()
$457
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:05 pm -
3 stops38h 45m
Deal found 8/17![Multiple Airlines logo]()
$657
Find 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 August 17, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $897 (Expedia) |
One-way from | $386 (Kiwi.com) |
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 August 17, 2026.
Use the filters below to find and compare flights from San Francisco to San Sebastian that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San FranciscoSan Sebastian
SFO San Francisco - EAS San Sebastián
SFOEAS
San Francisco
Sat 2/6
10:28 am-1:00 pm
2 stops17h 32m
San Sebastián
Sat 2/13
9:20 am-9:56 pm
2 stops21h 36m
$935
San FranciscoSan Sebastian
SFO San Francisco - EAS San Sebastián
SFOEAS
San Francisco
Sun 10/18
9:00 am-1:00 pm
2 stops19h 00m
San Sebastián
Sat 10/31
9:20 am-1:12 am
2 stops23h 52m
$948
San FranciscoSan Sebastian
SFO San Francisco - EAS San Sebastián
SFOEAS
San Francisco
Fri 10/9
11:39 am-8:50 pm
2 stops24h 11m
San Sebastián
Thu 10/15
9:30 pm-11:59 pm
2 stops35h 29m
$959
San FranciscoSan Sebastian
SFO San Francisco - EAS San Sebastián
SFOEAS
San Francisco
Sun 11/15
7:21 am-8:50 pm
2 stops28h 29m
San Sebastián
Thu 11/19
9:30 pm-1:06 am
2 stops36h 36m
$1,059
San FranciscoSan Sebastian
SFO San Francisco - EAS San Sebastián
SFOEAS
San Francisco
Thu 10/1
4:35 pm-8:40 am
2 stops31h 05m
San Sebastián
Wed 10/7
9:30 pm-6:02 pm
2 stops29h 32m
$1,061
San FranciscoSan Sebastian
SFO San Francisco - EAS San Sebastián
SFOEAS
San Francisco
Mon 8/31
5:37 pm-8:50 pm
2 stops42h 13m
San Sebastián
Mon 9/7
9:30 pm-4:20 pm
1 stop27h 50m
$1,276
San FranciscoSan Sebastian
SFO San Francisco - EAS San Sebastián
SFOEAS
San Francisco
Thu 10/1
9:05 pm-8:20 am
3 stops26h 15m
San Sebastián
Wed 10/7
5:55 pm-8:47 pm
3 stops35h 52m
$1,284
Cheapest one-way
San FranciscoSan Sebastian
SFO San Francisco - EAS San Sebastián
SFOEAS
San Francisco
Thu 10/15
1:00 pm-8:20 am
3 stops34h 20m
$386
Quickest one-way
San FranciscoSan Sebastian
SFO San Francisco - EAS San Sebastián
SFOEAS
San Francisco
Sun 10/11
5:40 pm-8:20 am
2 stops29h 40m
$404
San FranciscoSan Sebastian
SFO San Francisco - EAS San Sebastián
SFOEAS
San Francisco
Mon 9/21
4:30 pm-8:20 am
3 stops30h 50m
$457
Showing 1-10 of 11 resultsSorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-San Sebastian flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on San Francisco-San Sebastian flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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.
SFO-EAS
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.
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 August 17, 2026.
Read through reviews of airlines operating flights from San Francisco to San Sebastian, such as Iberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
7.7
Food
6.3
Entertainment
6.6
Comfort
6.7
Overall
7.0
Boarding
7.1
Reviews
1 / 20
2.0
MediocreT,Jun 2026
JFK - MAD
Crew
7.7
Food
6.3
Entertainment
6.6
Comfort
6.7
Overall
7.0
Boarding
7.1
Reviews
1 / 20
2.0
MediocreT,Jun 2026
JFK - MAD
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.
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Alternative routes for San Francisco to San Sebastian
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Complete your trip
Complete your trip to San Sebastian by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from San Francisco to San Sebastian, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and San Sebastian flights
Browse other San Francisco and San Sebastian flight options. Last updated on August 17, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on August 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Sebastian
Explore flights to San Sebastian departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 17, 2026.
Top airline flying from San Francisco to San Sebastian
Discover the top airline 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 August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$682 | Average$906 | FlexibilityNo cancel fee | On-time77% |