$492 Cheap Flights from San Francisco (SFO) to San Sebastian (EAS)

View $492 flight on Tue, Mar 24, 2026Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to San Sebastian (EAS)

Cheap Flights from San Francisco to San Sebastian (SFO-EAS)

Prices were available within the past 7 days and start at $492 for one-way flights and $665 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Sun, Feb 1 - Mon, Feb 16
SFO
San Francisco
EAS
San Sebastián
$665 Roundtrip, found 9 hours ago
$665
Roundtrip
found 9 hours ago
Select British Airways flight, departing Sun, Feb 1 from San Francisco to San Sebastián, returning Mon, Feb 16, priced at $665 found 9 hours ago
Iberia
Mon, Dec 1 - Mon, Dec 15
SFO
San Francisco
EAS
San Sebastián
$684 Roundtrip, found 2 days ago
$684
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Dec 1 from San Francisco to San Sebastián, returning Mon, Dec 15, priced at $684 found 2 days ago
American Airlines
Wed, Dec 3 - Wed, Dec 10
SFO
San Francisco
EAS
San Sebastián
$687 Roundtrip, found 5 days ago
$687
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Dec 3 from San Francisco to San Sebastián, returning Wed, Dec 10, priced at $687 found 5 days ago
British Airways
Wed, Dec 3 - Wed, Dec 10
SFO
San Francisco
EAS
San Sebastián
$687 Roundtrip, found 5 days ago
$687
Roundtrip
found 5 days ago
Select British Airways flight, departing Wed, Dec 3 from San Francisco to San Sebastián, returning Wed, Dec 10, priced at $687 found 5 days ago
Iberia
Mon, Dec 1 - Mon, Dec 15
SFO
San Francisco
EAS
San Sebastián
$691 Roundtrip, found 2 days ago
$691
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Dec 1 from San Francisco to San Sebastián, returning Mon, Dec 15, priced at $691 found 2 days ago
Iberia
Sun, Mar 1 - Sun, Mar 8
SFO
San Francisco
EAS
San Sebastián
$697 Roundtrip, found 5 days ago
$697
Roundtrip
found 5 days ago
Select Iberia flight, departing Sun, Mar 1 from San Francisco to San Sebastián, returning Sun, Mar 8, priced at $697 found 5 days ago
British Airways
Wed, Dec 3 - Wed, Dec 10
SFO
San Francisco
EAS
San Sebastián
$699 Roundtrip, found 5 days ago
$699
Roundtrip
found 5 days ago
Select British Airways flight, departing Wed, Dec 3 from San Francisco to San Sebastián, returning Wed, Dec 10, priced at $699 found 5 days ago
British Airways
Sat, Nov 15 - Sat, Nov 22
SFO
San Francisco
EAS
San Sebastián
$706 Roundtrip, found 5 days ago
$706
Roundtrip
found 5 days ago
Select British Airways flight, departing Sat, Nov 15 from San Francisco to San Sebastián, returning Sat, Nov 22, priced at $706 found 5 days ago
British Airways
Sun, Feb 15 - Wed, Feb 25
SFO
San Francisco
EAS
San Sebastián
$712 Roundtrip, found 4 days ago
$712
Roundtrip
found 4 days ago
Select British Airways flight, departing Sun, Feb 15 from San Francisco to San Sebastián, returning Wed, Feb 25, priced at $712 found 4 days ago
British Airways
Sat, Nov 15 - Sat, Nov 22
SFO
San Francisco
EAS
San Sebastián
$713 Roundtrip, found 5 days ago
$713
Roundtrip
found 5 days ago
Select British Airways flight, departing Sat, Nov 15 from San Francisco to San Sebastián, returning Sat, Nov 22, priced at $713 found 5 days ago

Alternative airports near San Sebastián

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Pays Basque BIQ. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $2,165
BIQ
Pays Basque
Cheapest
Average driving time to city center32 min
Flights from $2,165

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to San Sebastian Airport (EAS) cost?
Grab a cheap one-way flight from $492 or cheap return flight from $665 from San Francisco Intl. Airport (SFO) to San Sebastian Airport (EAS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to San Sebastian Airport (EAS)?
February is the least expensive month to fly from SFO to EAS. Avoiding peak travel times is often the key to finding better fares.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to San Sebastian Airport (EAS)?
To find the cheapest airline that'll fly you from SFO to EAS, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from San Francisco Intl. Airport (SFO) to San Sebastian Airport (EAS)?
You'll have to catch a flight with a layover if you're traveling from San Francisco Intl. Airport (SFO) to San Sebastian Airport (EAS). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from SFO to EAS?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on various factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Francisco Intl. Airport (SFO) to San Sebastian Airport (EAS)?
Select a flight from San Francisco Intl. Airport (SFO) to San Sebastian Airport (EAS) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to San Sebastian Airport (EAS) last-minute?
Last-minute fares from SFO to EAS are generally more expensive. To secure the lowest prices, start looking for flights as early as possible. That said, if you're flexible with your travel dates, you may score a cheap fare right before you leave.
Is it cheaper to book a SFO to EAS flight and hotel package?
Opting for a SFO to EAS flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our wide range of hotels and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to San Sebastian Airport (EAS)?
Generally, it's possible to reschedule or cancel your SFO to EAS flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
San Francisco Intl.
Destination airport
San Sebastian
Airlines serving
American Airlines, Iberia
Roundtrip price
$664
Distance
5718 mi

Book with confidence

San Francisco to San Sebastian Flights

The cheapest times to fly from San Francisco to San Sebastian

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to San Sebastian are during the month of February. You can find some of the cheapest flights from San Francisco to San Sebastian with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to San Sebastian

Sunday is one of the best days to book for cheap flights from San Francisco to San Sebastian: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Francisco to San Sebastian

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to San Sebastian in 2025. You can also book with separate airlines for your outbound and return journeys, from $492 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to San Sebastian flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to San Sebastian airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Francisco to San Sebastian Flights

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*Available to One Key members.