$490 Cheap Flights from San Diego (SAN) to San Sebastian (EAS)

View $490 flight on Mon, Jan 12, 2026Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to San Sebastian (EAS)

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Cheap Flights from San Diego to San Sebastian (SAN-EAS)

Prices were available within the past 7 days and start at $490 for one-way flights and $631 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Sat, Jan 10 - Mon, Jan 19
SAN
San Diego
EAS
San Sebastián
$631 Roundtrip, found 3 days ago
$631
Roundtrip
found 3 days ago
Select Iberia flight, departing Sat, Jan 10 from San Diego to San Sebastián, returning Mon, Jan 19, priced at $631 found 3 days ago
Iberia
Wed, Jan 21 - Sun, Feb 1
SAN
San Diego
EAS
San Sebastián
$633 Roundtrip, found 3 days ago
$633
Roundtrip
found 3 days ago
Select Iberia flight, departing Wed, Jan 21 from San Diego to San Sebastián, returning Sun, Feb 1, priced at $633 found 3 days ago
Iberia
Fri, Feb 6 - Sat, Feb 14
SAN
San Diego
EAS
San Sebastián
$637 Roundtrip, found 6 days ago
$637
Roundtrip
found 6 days ago
Select Iberia flight, departing Fri, Feb 6 from San Diego to San Sebastián, returning Sat, Feb 14, priced at $637 found 6 days ago
Iberia
Sat, Jan 10 - Mon, Jan 19
SAN
San Diego
EAS
San Sebastián
$641 Roundtrip, found 3 days ago
$641
Roundtrip
found 3 days ago
Select Iberia flight, departing Sat, Jan 10 from San Diego to San Sebastián, returning Mon, Jan 19, priced at $641 found 3 days ago
Iberia
Wed, Jan 21 - Sun, Feb 1
SAN
San Diego
EAS
San Sebastián
$642 Roundtrip, found 3 days ago
$642
Roundtrip
found 3 days ago
Select Iberia flight, departing Wed, Jan 21 from San Diego to San Sebastián, returning Sun, Feb 1, priced at $642 found 3 days ago
Iberia
Wed, Jan 21 - Sun, Feb 1
SAN
San Diego
EAS
San Sebastián
$647 Roundtrip, found 3 days ago
$647
Roundtrip
found 3 days ago
Select Iberia flight, departing Wed, Jan 21 from San Diego to San Sebastián, returning Sun, Feb 1, priced at $647 found 3 days ago
British Airways
Fri, Feb 6 - Sat, Feb 14
SAN
San Diego
EAS
San Sebastián
$657 Roundtrip, found 6 days ago
$657
Roundtrip
found 6 days ago
Select British Airways flight, departing Fri, Feb 6 from San Diego to San Sebastián, returning Sat, Feb 14, priced at $657 found 6 days ago
British Airways
Fri, Nov 28 - Thu, Dec 4
SAN
San Diego
EAS
San Sebastián
$661 Roundtrip, found 3 days ago
$661
Roundtrip
found 3 days ago
Select British Airways flight, departing Fri, Nov 28 from San Diego to San Sebastián, returning Thu, Dec 4, priced at $661 found 3 days ago
British Airways
Sat, Jan 10 - Mon, Jan 19
SAN
San Diego
EAS
San Sebastián
$664 Roundtrip, found 3 days ago
$664
Roundtrip
found 3 days ago
Select British Airways flight, departing Sat, Jan 10 from San Diego to San Sebastián, returning Mon, Jan 19, priced at $664 found 3 days ago
British Airways
Fri, Feb 6 - Sat, Feb 14
SAN
San Diego
EAS
San Sebastián
$665 Roundtrip, found 6 days ago
$665
Roundtrip
found 6 days ago
Select British Airways flight, departing Fri, Feb 6 from San Diego to San Sebastián, returning Sat, Feb 14, priced at $665 found 6 days ago

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to San Sebastian Airport (EAS) cost?
Secure a cheap one-way flight from $490 or cheap return flight from $631 from San Diego Intl. Airport (SAN) to San Sebastian Airport (EAS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from San Diego Intl. Airport (SAN) to San Sebastian Airport (EAS)?
The cheapest month to fly from SAN to EAS is January, when there's less demand. Off-peak months are generally when airlines offer better prices between these airports.
What is the cheapest airline that flies from San Diego Intl. Airport (SAN) to San Sebastian Airport (EAS)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from SAN to EAS. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from San Diego Intl. Airport (SAN) to San Sebastian Airport (EAS)?
There aren't any daily nonstop flights from San Diego Intl. Airport (SAN) to San Sebastian Airport (EAS). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from SAN to EAS?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the time of year, airline and other factors.*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 Diego Intl. Airport (SAN) to San Sebastian Airport (EAS)?
To avoid potential delays on the San Diego Intl. Airport (SAN) to San Sebastian Airport (EAS) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Diego Intl. Airport (SAN) to San Sebastian Airport (EAS) last-minute?
Waiting until right before your break to book a ticket from SAN to EAS generally means paying more. Although you may find some last-minute offers, they're not always guaranteed. Allow some flexibility in your schedule to boost your chances of snagging a bargain.
Is it cheaper to book a SAN to EAS flight and hotel package?
Compared with arranging flights and hotels separately, booking a SAN to EAS flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place takes the hassle out of planning your trip. Simply pick your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to San Sebastian Airport (EAS)?
If you reserved your SAN to EAS flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
San Diego Intl.
Destination airport
San Sebastian
Roundtrip price
$630
Distance
5786 mi

Book with confidence

San Diego to San Sebastian Flights

The cheapest times to fly from San Diego 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 Diego to San Sebastian are during the month of January. You can find some of the cheapest flights from San Diego to San Sebastian with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San Diego 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 Diego 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 Diego to San Sebastian in 2025. You can also book with separate airlines for your outbound and return journeys, from $490 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 Diego 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 Diego 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 Diego to San Sebastian Flights

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*Available to One Key members.