$49 Cheap Flights from San Sebastian (EAS) to Bilbao (BIO)

View $49 flight on Fri, Nov 14, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $49 for one-way flights and $101 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Sat, Feb 21 - Sat, Feb 28
EAS
San Sebastián
BIO
Bilbao
$101 Roundtrip, found 3 days ago
$101
Roundtrip
found 3 days ago
Select Iberia flight, departing Sat, Feb 21 from San Sebastián to Bilbao, returning Sat, Feb 28, priced at $101 found 3 days ago
Iberia
Sat, Feb 21 - Sat, Feb 28
EAS
San Sebastián
BIO
Bilbao
$110 Roundtrip, found 3 days ago
$110
Roundtrip
found 3 days ago
Select Iberia flight, departing Sat, Feb 21 from San Sebastián to Bilbao, returning Sat, Feb 28, priced at $110 found 3 days ago
Iberia
Sat, Feb 21 - Sat, Feb 28
EAS
San Sebastián
BIO
Bilbao
$118 Roundtrip, found 3 days ago
$118
Roundtrip
found 3 days ago
Select Iberia flight, departing Sat, Feb 21 from San Sebastián to Bilbao, returning Sat, Feb 28, priced at $118 found 3 days ago
Iberia
Sat, Feb 21 - Sat, Feb 28
EAS
San Sebastián
BIO
Bilbao
$157 Roundtrip, found 3 days ago
$157
Roundtrip
found 3 days ago
Select Iberia flight, departing Sat, Feb 21 from San Sebastián to Bilbao, returning Sat, Feb 28, priced at $157 found 3 days ago
Iberia
Sat, Feb 21 - Sat, Feb 28
EAS
San Sebastián
BIO
Bilbao
$165 Roundtrip, found 3 days ago
$165
Roundtrip
found 3 days ago
Select Iberia flight, departing Sat, Feb 21 from San Sebastián to Bilbao, returning Sat, Feb 28, priced at $165 found 3 days ago
Iberia
Sat, Feb 21 - Sat, Feb 28
EAS
San Sebastián
BIO
Bilbao
$173 Roundtrip, found 3 days ago
$173
Roundtrip
found 3 days ago
Select Iberia flight, departing Sat, Feb 21 from San Sebastián to Bilbao, returning Sat, Feb 28, priced at $173 found 3 days ago
Iberia
Sat, Feb 21 - Sat, Feb 28
EAS
San Sebastián
BIO
Bilbao
$182 Roundtrip, found 3 days ago
$182
Roundtrip
found 3 days ago
Select Iberia flight, departing Sat, Feb 21 from San Sebastián to Bilbao, returning Sat, Feb 28, priced at $182 found 3 days ago
Iberia
Sat, Feb 21 - Sat, Feb 28
EAS
San Sebastián
BIO
Bilbao
$190 Roundtrip, found 3 days ago
$190
Roundtrip
found 3 days ago
Select Iberia flight, departing Sat, Feb 21 from San Sebastián to Bilbao, returning Sat, Feb 28, priced at $190 found 3 days ago
Iberia
Sat, Feb 21 - Sat, Feb 28
EAS
San Sebastián
BIO
Bilbao
$192 Roundtrip, found 3 days ago
$192
Roundtrip
found 3 days ago
Select Iberia flight, departing Sat, Feb 21 from San Sebastián to Bilbao, returning Sat, Feb 28, priced at $192 found 3 days ago
Iberia
Sat, Feb 21 - Sat, Feb 28
EAS
San Sebastián
BIO
Bilbao
$201 Roundtrip, found 3 days ago
$201
Roundtrip
found 3 days ago
Select Iberia flight, departing Sat, Feb 21 from San Sebastián to Bilbao, returning Sat, Feb 28, priced at $201 found 3 days ago

Frequently asked questions

How much does a flight from San Sebastian Airport (EAS) to Bilbao Airport (BIO) cost?
Secure a cheap one-way flight from $49 or cheap return flight from $101 from San Sebastian Airport (EAS) to Bilbao Airport (BIO) 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 San Sebastian Airport (EAS) to Bilbao Airport (BIO)?
Planning your getaway for February may help you find better deals, as it's the cheapest month for flights between EAS and BIO. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from San Sebastian Airport (EAS) to Bilbao Airport (BIO)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from EAS to BIO. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from San Sebastian Airport (EAS) to Bilbao Airport (BIO)?
You'll have to catch a flight with a layover if you're traveling from San Sebastian Airport (EAS) to Bilbao Airport (BIO). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from EAS to BIO?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*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 Sebastian Airport (EAS) to Bilbao Airport (BIO)?
To arrive at Bilbao Airport (BIO) on schedule, book a flight that leaves San Sebastian Airport (EAS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Sebastian Airport (EAS) to Bilbao Airport (BIO) last-minute?
Booking your flight from EAS to BIO just before your journey is usually more expensive. However, if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book an EAS to BIO flight and hotel package?
You'll typically save money by securing an EAS to BIO flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your ideal flights and accommodations, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from San Sebastian Airport (EAS) to Bilbao Airport (BIO)?
If you booked your EAS to BIO flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type 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, go to our Customer Service portal for more information.

Travel information

Travel information

Origin airport
San Sebastian
Destination airport
Bilbao
Roundtrip price
$100
Distance
56 mi

Book with confidence

Book with confidence

San Sebastian to Bilbao Flights

The cheapest times to fly from San Sebastian to Bilbao

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

 

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

Sunday is one of the best days to book for cheap flights from San Sebastian to Bilbao: 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 Sebastian to Bilbao

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 Sebastian to Bilbao in 2025. You can also book with separate airlines for your outbound and return journeys, from $49 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 Sebastian to Bilbao 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 Sebastian to Bilbao 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 Sebastian to Bilbao Flights

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*Available to One Key members.