$52 Cheap Flights from Bilbao (BIO) to San Sebastian (EAS)

View $52 flight on Mon, Oct 6, 2025Opens in a new window

Popular airlines from Bilbao Airport (BIO) to San Sebastian (EAS)

Cheap Flights from Bilbao to San Sebastian (BIO-EAS)

Prices were available within the past 7 days and start at $52 for one-way flights and $107 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Mon, Oct 13 - Mon, Oct 20
BIO
Bilbao
EAS
San Sebastián
$107 Roundtrip, found 6 days ago
$107
Roundtrip
found 6 days ago
Select Iberia flight, departing Mon, Oct 13 from Bilbao to San Sebastián, returning Mon, Oct 20, priced at $107 found 6 days ago
Iberia
Tue, Oct 14 - Tue, Oct 21
BIO
Bilbao
EAS
San Sebastián
$110 Roundtrip, found 5 days ago
$110
Roundtrip
found 5 days ago
Select Iberia flight, departing Tue, Oct 14 from Bilbao to San Sebastián, returning Tue, Oct 21, priced at $110 found 5 days ago
Iberia
Mon, Oct 13 - Mon, Oct 20
BIO
Bilbao
EAS
San Sebastián
$116 Roundtrip, found 6 days ago
$116
Roundtrip
found 6 days ago
Select Iberia flight, departing Mon, Oct 13 from Bilbao to San Sebastián, returning Mon, Oct 20, priced at $116 found 6 days ago
Iberia
Tue, Oct 14 - Tue, Oct 21
BIO
Bilbao
EAS
San Sebastián
$148 Roundtrip, found 5 days ago
$148
Roundtrip
found 5 days ago
Select Iberia flight, departing Tue, Oct 14 from Bilbao to San Sebastián, returning Tue, Oct 21, priced at $148 found 5 days ago
Iberia
Mon, Oct 13 - Mon, Oct 20
BIO
Bilbao
EAS
San Sebastián
$178 Roundtrip, found 6 days ago
$178
Roundtrip
found 6 days ago
Select Iberia flight, departing Mon, Oct 13 from Bilbao to San Sebastián, returning Mon, Oct 20, priced at $178 found 6 days ago
Iberia
Tue, Oct 14 - Tue, Oct 21
BIO
Bilbao
EAS
San Sebastián
$187 Roundtrip, found 5 days ago
$187
Roundtrip
found 5 days ago
Select Iberia flight, departing Tue, Oct 14 from Bilbao to San Sebastián, returning Tue, Oct 21, priced at $187 found 5 days ago
Iberia
Thu, Oct 16 - Thu, Oct 23
BIO
Bilbao
EAS
San Sebastián
$188 Roundtrip, found 3 days ago
$188
Roundtrip
found 3 days ago
Select Iberia flight, departing Thu, Oct 16 from Bilbao to San Sebastián, returning Thu, Oct 23, priced at $188 found 3 days ago
Iberia
Mon, Oct 13 - Mon, Oct 20
BIO
Bilbao
EAS
San Sebastián
$198 Roundtrip, found 6 days ago
$198
Roundtrip
found 6 days ago
Select Iberia flight, departing Mon, Oct 13 from Bilbao to San Sebastián, returning Mon, Oct 20, priced at $198 found 6 days ago
Iberia
Tue, Oct 14 - Tue, Oct 21
BIO
Bilbao
EAS
San Sebastián
$201 Roundtrip, found 5 days ago
$201
Roundtrip
found 5 days ago
Select Iberia flight, departing Tue, Oct 14 from Bilbao to San Sebastián, returning Tue, Oct 21, priced at $201 found 5 days ago
Iberia
Mon, Oct 13 - Mon, Oct 20
BIO
Bilbao
EAS
San Sebastián
$202 Roundtrip, found 6 days ago
$202
Roundtrip
found 6 days ago
Select Iberia flight, departing Mon, Oct 13 from Bilbao to San Sebastián, returning Mon, Oct 20, priced at $202 found 6 days ago

Frequently asked questions

How much does a flight from Bilbao Airport (BIO) to San Sebastian Airport (EAS) cost?
Snag a cheap one-way flight from $52 or cheap return flight from $107 from Bilbao Airport (BIO) to San Sebastian Airport (EAS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Bilbao Airport (BIO) to San Sebastian Airport (EAS)?
Planning your trip for October is a good way to save, as it's the cheapest month for flights between BIO and EAS. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Bilbao Airport (BIO) to San Sebastian Airport (EAS)?
To find the cheapest airline that'll fly you from BIO to EAS, use Expedia's filter tool. Customize 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 see the cheapest flights first.
How many flights per day from Bilbao Airport (BIO) to San Sebastian Airport (EAS)?
There aren't any daily direct flights available from Bilbao Airport (BIO) to San Sebastian Airport (EAS). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from BIO to EAS?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bilbao Airport (BIO) to San Sebastian Airport (EAS)?
To arrive at San Sebastian Airport (EAS) on schedule, choose a flight that leaves Bilbao Airport (BIO) before 3 PM. The chance 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 Bilbao Airport (BIO) to San Sebastian Airport (EAS) last-minute?
Last-minute bookings from BIO to EAS are usually more expensive. To secure the lowest prices, start searching for flights as early as possible. That being said, if you're flexible with your travel plans, it's possible to land a cheap ticket just before your departure.
Is it cheaper to book a BIO to EAS flight and hotel package?
Booking a BIO to EAS flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our impressive range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Bilbao Airport (BIO) to San Sebastian Airport (EAS)?
If you reserved your BIO to EAS flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

Travel information

Travel information

Origin airport
Bilbao
Destination airport
San Sebastian
Airlines serving
Iberia
Roundtrip price
$106
Distance
56 mi

Book with confidence

Book with confidence

Bilbao to San Sebastian Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Bilbao 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 Bilbao 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 Bilbao to San Sebastian in 2025. You can also book with separate airlines for your outbound and return journeys, from $52 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 Bilbao 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 Bilbao 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.

 

Bilbao to San Sebastian Flights

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*Available to One Key members.