$338 Cheap Flights from Istanbul (IST) to San Sebastian (EAS)

View $338 flight on Thu, Aug 7, 2025Opens in a new window

Popular airlines from Istanbul Airport (IST) to San Sebastian (EAS)

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Cheap Flights from Istanbul to San Sebastian (IST-EAS)

Prices were available within the past 7 days and start at $338 for one-way flights and $599 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LOT-Polish Airlines
Thu, Aug 7 - Mon, Aug 11
IST
Istanbul
EAS
San Sebastián
$599 Roundtrip, found 1 day ago
$599
Roundtrip
found 1 day ago
Select LOT-Polish Airlines flight, departing Thu, Aug 7 from Istanbul to San Sebastián, returning Mon, Aug 11, priced at $599 found 1 day ago
LOT-Polish Airlines
Thu, Aug 7 - Mon, Aug 11
IST
Istanbul
EAS
San Sebastián
$657 Roundtrip, found 1 day ago
$657
Roundtrip
found 1 day ago
Select LOT-Polish Airlines flight, departing Thu, Aug 7 from Istanbul to San Sebastián, returning Mon, Aug 11, priced at $657 found 1 day ago
LOT-Polish Airlines
Thu, Aug 7 - Mon, Aug 11
IST
Istanbul
EAS
San Sebastián
$674 Roundtrip, found 1 day ago
$674
Roundtrip
found 1 day ago
Select LOT-Polish Airlines flight, departing Thu, Aug 7 from Istanbul to San Sebastián, returning Mon, Aug 11, priced at $674 found 1 day ago
LOT-Polish Airlines
Mon, Aug 11 - Sun, Aug 17
IST
Istanbul
EAS
San Sebastián
$713 Roundtrip, found 4 days ago
$713
Roundtrip
found 4 days ago
Select LOT-Polish Airlines flight, departing Mon, Aug 11 from Istanbul to San Sebastián, returning Sun, Aug 17, priced at $713 found 4 days ago
LOT-Polish Airlines
Thu, Aug 7 - Mon, Aug 11
IST
Istanbul
EAS
San Sebastián
$732 Roundtrip, found 1 day ago
$732
Roundtrip
found 1 day ago
Select LOT-Polish Airlines flight, departing Thu, Aug 7 from Istanbul to San Sebastián, returning Mon, Aug 11, priced at $732 found 1 day ago
LOT-Polish Airlines
Mon, Aug 11 - Sun, Aug 17
IST
Istanbul
EAS
San Sebastián
$788 Roundtrip, found 4 days ago
$788
Roundtrip
found 4 days ago
Select LOT-Polish Airlines flight, departing Mon, Aug 11 from Istanbul to San Sebastián, returning Sun, Aug 17, priced at $788 found 4 days ago
Iberia
Tue, Aug 12 - Wed, Aug 20
IST
Istanbul
EAS
San Sebastián
$803 Roundtrip, found 4 days ago
$803
Roundtrip
found 4 days ago
Select Iberia flight, departing Tue, Aug 12 from Istanbul to San Sebastián, returning Wed, Aug 20, priced at $803 found 4 days ago
Iberia
Wed, Aug 13 - Wed, Aug 20
IST
Istanbul
EAS
San Sebastián
$817 Roundtrip, found 4 days ago
$817
Roundtrip
found 4 days ago
Select Iberia flight, departing Wed, Aug 13 from Istanbul to San Sebastián, returning Wed, Aug 20, priced at $817 found 4 days ago
Vueling Airlines
Tue, Aug 12 - Mon, Aug 18
IST
Istanbul
EAS
San Sebastián
$894 Roundtrip, found 4 days ago
$894
Roundtrip
found 4 days ago
Select Vueling Airlines flight, departing Tue, Aug 12 from Istanbul to San Sebastián, returning Mon, Aug 18, priced at $894 found 4 days ago
British Airways
Mon, Aug 11 - Sun, Aug 17
SAW
Istanbul
EAS
San Sebastián
$1,321 Roundtrip, found 4 days ago
$1,321
Roundtrip
found 4 days ago
Select British Airways flight, departing Mon, Aug 11 from Istanbul to San Sebastián, returning Sun, Aug 17, priced at $1,321 found 4 days ago
Flights from Istanbul (IST) to San Sebastian (EAS)
Origin airport
Istanbul
Destination airport
San Sebastian
Airlines serving
Iberia
Roundtrip price
$599
Distance
1558 mi

Istanbul to San Sebastian Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Istanbul 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 Istanbul 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 Istanbul to San Sebastian in 2025. You can also book with separate airlines for your outbound and return journeys, from $338 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 Istanbul 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 Istanbul 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.

 

Frequently asked questions

How much does a flight from Istanbul (IST) to San Sebastian Airport (EAS) cost?
Discover the latest flight deals from IST to EAS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from IST to EAS?
The cheapest flights from IST to EAS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from IST to EAS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from IST to EAS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Istanbul (IST) to San Sebastian Airport (EAS)?
You'll have to take a flight with a layover if you're traveling from Istanbul (IST) to San Sebastian Airport (EAS). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from IST to EAS?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending 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 Istanbul (IST) to San Sebastian Airport (EAS)?
To avoid possible delays on the Istanbul (IST) to San Sebastian Airport (EAS) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**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 Istanbul (IST) to San Sebastian Airport (EAS) last-minute?
Last-minute bookings from IST to EAS are generally more expensive. To lock in the lowest rates, start looking for flights ahead of time. That said, if your travel plans are flexible, you may score a cheap fare right before you leave.
Is it cheaper to book an IST to EAS flight and hotel package?
Compared with arranging flights and hotels separately, booking an IST to EAS flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the stress out of travel planning. Simply secure your flights and choose from our extensive range of hotels, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Istanbul (IST) to San Sebastian Airport (EAS)?
If you reserved your IST to EAS flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

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*Available to One Key members.