$450 Cheap Flights from San Sebastian (EAS) to Istanbul (IST)

View $450 flight on Sat, Oct 18, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $450 for one-way flights and $785 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Thu, Apr 2 - Mon, Apr 6
EAS
San Sebastián
IST
Istanbul
$785 Roundtrip, found 5 days ago
$785
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Apr 2 from San Sebastián to Istanbul, returning Mon, Apr 6, priced at $785 found 5 days ago
Iberia
Thu, Apr 2 - Mon, Apr 6
EAS
San Sebastián
IST
Istanbul
$807 Roundtrip, found 5 days ago
$807
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Apr 2 from San Sebastián to Istanbul, returning Mon, Apr 6, priced at $807 found 5 days ago
Iberia
Thu, Apr 2 - Mon, Apr 6
EAS
San Sebastián
IST
Istanbul
$808 Roundtrip, found 5 days ago
$808
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Apr 2 from San Sebastián to Istanbul, returning Mon, Apr 6, priced at $808 found 5 days ago
Iberia
Thu, Apr 2 - Mon, Apr 6
EAS
San Sebastián
IST
Istanbul
$815 Roundtrip, found 5 days ago
$815
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Apr 2 from San Sebastián to Istanbul, returning Mon, Apr 6, priced at $815 found 5 days ago
Iberia
Thu, Apr 2 - Mon, Apr 6
EAS
San Sebastián
IST
Istanbul
$843 Roundtrip, found 5 days ago
$843
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Apr 2 from San Sebastián to Istanbul, returning Mon, Apr 6, priced at $843 found 5 days ago
Iberia
Thu, Apr 2 - Mon, Apr 6
EAS
San Sebastián
IST
Istanbul
$845 Roundtrip, found 5 days ago
$845
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Apr 2 from San Sebastián to Istanbul, returning Mon, Apr 6, priced at $845 found 5 days ago
Iberia
Thu, Apr 2 - Mon, Apr 6
EAS
San Sebastián
IST
Istanbul
$853 Roundtrip, found 5 days ago
$853
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Apr 2 from San Sebastián to Istanbul, returning Mon, Apr 6, priced at $853 found 5 days ago
British Airways
Thu, Apr 2 - Mon, Apr 6
EAS
San Sebastián
IST
Istanbul
$918 Roundtrip, found 5 days ago
$918
Roundtrip
found 5 days ago
Select British Airways flight, departing Thu, Apr 2 from San Sebastián to Istanbul, returning Mon, Apr 6, priced at $918 found 5 days ago
Iberia
Thu, Apr 2 - Mon, Apr 6
EAS
San Sebastián
IST
Istanbul
$924 Roundtrip, found 5 days ago
$924
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Apr 2 from San Sebastián to Istanbul, returning Mon, Apr 6, priced at $924 found 5 days ago
Iberia
Thu, Apr 2 - Mon, Apr 6
EAS
San Sebastián
IST
Istanbul
$955 Roundtrip, found 5 days ago
$955
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Apr 2 from San Sebastián to Istanbul, returning Mon, Apr 6, priced at $955 found 5 days ago
Flights from San Sebastian (EAS) to Istanbul (IST)
Origin airport
San Sebastian
Destination airport
Istanbul
Roundtrip price
$784
Distance
1558 mi

San Sebastian to Istanbul Flights

The cheapest times to fly from San Sebastian to Istanbul

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

 

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

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

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 Istanbul in 2025. You can also book with separate airlines for your outbound and return journeys, from $450 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 Istanbul 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 Istanbul 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 San Sebastian Airport (EAS) to Istanbul (IST) cost?
Grab a cheap one-way flight from $450 or cheap return flight from $785 from San Sebastian Airport (EAS) to Istanbul (IST) 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 Sebastian Airport (EAS) to Istanbul (IST)?
Planning your getaway for April may help you find better deals, as it's the cheapest month for flights between EAS and IST. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from San Sebastian Airport (EAS) to Istanbul (IST)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from EAS to IST. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from San Sebastian Airport (EAS) to Istanbul (IST)?
Direct flights from San Sebastian Airport (EAS) to Istanbul (IST) 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 select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from EAS to IST?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on a number of factors, including 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 San Sebastian Airport (EAS) to Istanbul (IST)?
To avoid potential delays on the San Sebastian Airport (EAS) to Istanbul (IST) route, aim to fly before 3 PM. Later departures 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 San Sebastian Airport (EAS) to Istanbul (IST) last-minute?
Last-minute fares from EAS to IST are generally more expensive. To lock in the lowest prices, start searching for flights as early as possible. That being said, if you're flexible with your travel plans, you may land a cheap fare just before your departure.
Can I cancel or change the date of my flight from San Sebastian Airport (EAS) to Istanbul (IST)?
If you booked your EAS to IST flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, 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 if you'd like more information.

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*Available to One Key members.