$232 Cheap Flights from Basel (BSL) to San Sebastian (EAS)

View $232 flight on Tue, Dec 2, 2025Opens in a new window

Popular airlines from EuroAirport Airport (BSL) to San Sebastian (EAS)

Cheap Flights from Basel to San Sebastian (BSL-EAS)

Prices were available within the past 7 days and start at $232 for one-way flights and $800 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Tue, Oct 7 - Fri, Oct 10
BSL
Basel
EAS
San Sebastián
$800 Roundtrip, found 6 days ago
$800
Roundtrip
found 6 days ago
Select Iberia flight, departing Tue, Oct 7 from Basel to San Sebastián, returning Fri, Oct 10, priced at $800 found 6 days ago
Iberia
Tue, Oct 7 - Fri, Oct 10
BSL
Basel
EAS
San Sebastián
$814 Roundtrip, found 6 days ago
$814
Roundtrip
found 6 days ago
Select Iberia flight, departing Tue, Oct 7 from Basel to San Sebastián, returning Fri, Oct 10, priced at $814 found 6 days ago
Iberia
Tue, Oct 7 - Fri, Oct 10
BSL
Basel
EAS
San Sebastián
$821 Roundtrip, found 6 days ago
$821
Roundtrip
found 6 days ago
Select Iberia flight, departing Tue, Oct 7 from Basel to San Sebastián, returning Fri, Oct 10, priced at $821 found 6 days ago
Iberia
Tue, Oct 7 - Fri, Oct 10
BSL
Basel
EAS
San Sebastián
$833 Roundtrip, found 6 days ago
$833
Roundtrip
found 6 days ago
Select Iberia flight, departing Tue, Oct 7 from Basel to San Sebastián, returning Fri, Oct 10, priced at $833 found 6 days ago
British Airways
Tue, Oct 7 - Fri, Oct 10
BSL
Basel
EAS
San Sebastián
$931 Roundtrip, found 6 days ago
$931
Roundtrip
found 6 days ago
Select British Airways flight, departing Tue, Oct 7 from Basel to San Sebastián, returning Fri, Oct 10, priced at $931 found 6 days ago
Iberia
Tue, Oct 7 - Fri, Oct 10
BSL
Basel
EAS
San Sebastián
$1,013 Roundtrip, found 6 days ago
$1,013
Roundtrip
found 6 days ago
Select Iberia flight, departing Tue, Oct 7 from Basel to San Sebastián, returning Fri, Oct 10, priced at $1,013 found 6 days ago
Iberia
Tue, Oct 7 - Fri, Oct 10
BSL
Basel
EAS
San Sebastián
$1,025 Roundtrip, found 6 days ago
$1,025
Roundtrip
found 6 days ago
Select Iberia flight, departing Tue, Oct 7 from Basel to San Sebastián, returning Fri, Oct 10, priced at $1,025 found 6 days ago
British Airways
Tue, Oct 7 - Fri, Oct 10
BSL
Basel
EAS
San Sebastián
$1,083 Roundtrip, found 6 days ago
$1,083
Roundtrip
found 6 days ago
Select British Airways flight, departing Tue, Oct 7 from Basel to San Sebastián, returning Fri, Oct 10, priced at $1,083 found 6 days ago
British Airways
Tue, Oct 7 - Fri, Oct 10
BSL
Basel
EAS
San Sebastián
$1,085 Roundtrip, found 6 days ago
$1,085
Roundtrip
found 6 days ago
Select British Airways flight, departing Tue, Oct 7 from Basel to San Sebastián, returning Fri, Oct 10, priced at $1,085 found 6 days ago
British Airways
Tue, Oct 7 - Fri, Oct 10
BSL
Basel
EAS
San Sebastián
$1,132 Roundtrip, found 6 days ago
$1,132
Roundtrip
found 6 days ago
Select British Airways flight, departing Tue, Oct 7 from Basel to San Sebastián, returning Fri, Oct 10, priced at $1,132 found 6 days ago

Frequently asked questions

How much does a flight from EuroAirport Airport (BSL) to San Sebastian Airport (EAS) cost?
Get a cheap one-way flight from $232 or cheap return flight from $800 from EuroAirport Airport (BSL) 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 EuroAirport Airport (BSL) to San Sebastian Airport (EAS)?
Planning your getaway for October can help you save, as it's the cheapest month for flights between BSL and EAS. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from EuroAirport Airport (BSL) to San Sebastian Airport (EAS)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest BSL to EAS flight.
How many flights per day from EuroAirport Airport (BSL) to San Sebastian Airport (EAS)?
Nonstop flights from EuroAirport Airport (BSL) to San Sebastian Airport (EAS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BSL to EAS?
Usually you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can change based on the time of year, carrier 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 EuroAirport Airport (BSL) to San Sebastian Airport (EAS)?
To land at San Sebastian Airport (EAS) without delays, pick a flight that leaves from EuroAirport Airport (BSL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 EuroAirport Airport (BSL) to San Sebastian Airport (EAS) last-minute?
Last-minute fares from BSL to EAS are usually more expensive. For the best rates, start looking for flights ahead of time. That being said, if you're flexible with your travel dates, it's possible to find a cheap fare just before your departure.
Is it cheaper to book a BSL to EAS flight and hotel package?
Compared with arranging flights and hotels separately, booking a BSL to EAS flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the hassle out of travel planning. Just secure your flights and select from our wide range of hotels, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from EuroAirport Airport (BSL) to San Sebastian Airport (EAS)?
In most cases, you can cancel or reschedule your BSL to EAS flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you want further information, head to our Customer Service portal.

Travel information

Travel information

Origin airport
EuroAirport
Destination airport
San Sebastian
Roundtrip price
$800
Distance
537 mi

Book with confidence

Book with confidence

Basel to San Sebastian Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Basel 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 Basel 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 Basel to San Sebastian in 2025. You can also book with separate airlines for your outbound and return journeys, from $232 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 Basel 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 Basel 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.

 

Basel to San Sebastian Flights

Explore a world of travel with Expedia

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*Available to One Key members.