To Donostia / San Sebastián

Cheap Flights from Istanbul to Donostia / San Sebastián

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Deals from

Istanbul

RatePunk searches hundreds of travel sites at once for deals on flights to Donostia / San Sebastián

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Istanbul to Donostia / San Sebastián

Explore current cheapest deals departing from Istanbul to Donostia / San Sebastián

Round trip

Sort by: Cheapest

November 10 - November 17

Cheapest

SAW - Donostia / San Sebastián

$294

$312

Round trip

November 11 - November 18

SAW - Donostia / San Sebastián

$294

$320

Round trip

September 16 - September 23

IST - Donostia / San Sebastián

$328

$326

Round trip

December 10 - December 12

Best

IST - Donostia / San Sebastián

$341

$334

Round trip

December 10 - December 14

Best

IST - Donostia / San Sebastián

$340

$334

Round trip

August 3 - August 24

IST - Donostia / San Sebastián

$321

$336

Round trip

August 5 - August 24

IST - Donostia / San Sebastián

$323

$352

Round trip

July 14 - July 20

Earliest

SAW - Donostia / San Sebastián

$321

$363

Round trip

October 15 - October 18

SAW - Donostia / San Sebastián

$300

$364

Round trip

December 9 - December 13

SAW - Donostia / San Sebastián

$312

$370

Round trip

Unlock all 500+ flight deals to Donostia / San Sebastián and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Istanbul to Donostia / San Sebastián

Right now, 41% of recent fares for cheap flights from Istanbul to Donostia / San Sebastián are classified as a good price. Fares typically range from $214–$466, with a median of $334. Currently, prices are below the typical level for this route, indicating a favorable time to consider booking.

The cheapest time to fly from Istanbul to Donostia / San Sebastián is typically during November, with a median fare of $128. Other affordable months include February, where the median fare is $156, and July, with a median of $157. New deals for this route show up several times a week, so setting a price alert can be beneficial.

A typical journey from Istanbul to Donostia / San Sebastián takes about 18h 20m, including connections. This is because most itineraries connect at least once, with the median number of stopovers for connecting flights being 2.

The distance between Istanbul and Donostia / San Sebastián is 2508 kilometers. This classifies the route as a medium-haul journey, meaning you can expect a travel experience that balances distance with accessibility.

How much is a round trip from Istanbul to Donostia / San Sebastián

Regular price: $245 - $687

Prices for flights from Istanbul Sabiha Gökçen International to Donostia / San Sebastián are currently within the regular range.

The regular price range for this route is $245 to $687. The current lowest deal is $312 with Pegasus Airlines, for travel from Nov 10-Nov 17.

now $312

Low $245

High $687

The cheapest time to fly from Istanbul to Donostia / San Sebastián

The cheapest month to fly from Istanbul to San Sebastián is November, with a median price of $128. The most expensive month is April, with a median price of $851. Prices are generally lower from February to November.

November

Cheapest

Flights from $128

April

Most Expensive

Flights from $851

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Nov

Direct flights from Istanbul to Donostia / San Sebastián

Vueling Airlines

Pegasus Airlines

Iberia Airlines

Valuair

Last-minute flights going from Istanbul to Donostia / San Sebastián

Sat, Jun 20

⌛ Last-Minute

SAW - Donostia / San Sebastián

Istanbul (SAW) - Donostia / San Sebastián (EAS)

Valuair

$439

$419

One-way

Sun, Jun 21

⌛ Last-Minute

SAW - Donostia / San Sebastián

Istanbul (SAW) - Donostia / San Sebastián (EAS)

Pegasus Airlines

$395

$492

One-way

Mon, Jun 22

⌛ Last-Minute

SAW - Donostia / San Sebastián

Istanbul (SAW) - Donostia / San Sebastián (EAS)

Valuair

$439

$381

One-way

Mon, Jun 22

⌛ Last-Minute

SAW - Donostia / San Sebastián

Istanbul (SAW) - Donostia / San Sebastián (EAS)

Pegasus Airlines

$395

$408

One-way

Tue, Jun 23

⌛ Last-Minute

SAW - Donostia / San Sebastián

Istanbul (SAW) - Donostia / San Sebastián (EAS)

Valuair

$391

$382

One-way

Wed, Jul 1

⌛ Last-Minute

SAW - Donostia / San Sebastián

Istanbul (SAW) - Donostia / San Sebastián (EAS)

Pegasus Airlines

$363

$444

One-way

Biggest price drops on these dates for flights from Istanbul to Donostia / San Sebastián

4 nights

Jun 22 - Jun 26

$439 → $381

13%

4 nights

Jun 20 - Jun 24

$439 → $419

7 nights

Jun 23 - Jun 30

$391 → $382

2 nights

Dec 10 - Dec 12

$341 → $334

Popular Airports to fly from Istanbul to Donostia / San Sebastián

Istanbul - Donostia / San Sebastián route insights

💸 Price insights

Current fares are below the typical level

Recent fares from Istanbul to Donostia / San Sebastián are below the typical level at $312.

📅 Best time to fly

November is historically cheapest at $128

Historically, November is the cheapest month to fly from Istanbul to Donostia / San Sebastián, at $128.

⏱️ Flight duration

Connecting flights average 18h 20m

The typical flight duration for connecting flights from Istanbul to Donostia / San Sebastián is 18h 20m.

✈️ Airlines & availability

Multiple airlines offer connecting flights

Connecting flights to Donostia / San Sebastián are available from carriers like Vueling Airlines and Pegasus Airlines.

🏆 Airline highlight

Pegasus Airlines offers a recent deal for $312

Pegasus Airlines recently offered a flight from Istanbul to Donostia / San Sebastián for $312.

🎯 Booking tip

Consider booking during February to November

Historically, the lowest prices for this route are found when booking in February to November.

Istanbul main airports to depart from

Sabiha Gökçen International (SAW)

Cheapest

Consider Sabiha Gökçen International for flights from Istanbul to Donostia / San Sebastián.

📍 ~35 km from Istanbul city center (reachable by car or bus)

💸 Flights from ~$259

Istanbul Airport (IST)

Istanbul Airport is another option for flights from Istanbul to Donostia / San Sebastián.

📍 ~35 km from Istanbul city center (reachable by car or bus)

💸 Flights from ~$319

Donostia / San Sebastián main airports to arrive at

San Sebastián (EAS)

Cheapest

San Sebastián Airport is a convenient arrival option for flights from Istanbul to Donostia / San Sebastián.

📍 ~20 km from Donostia / San Sebastián (reachable by car)

💸 Flights from ~$312

Airports nearby Donostia / San Sebastián used as alternative

Bilbao (BIO)

Cheapest

Bilbao is a major international hub offering extensive network connectivity and full-service options.

📍 ~90 km from Donostia / San Sebastián (reachable by car)

💸 Flights from ~$159

Biarritz Pays Basque (BIQ)

Biarritz Pays Basque offers a strong selection of seasonal and low-cost flights to European destinations.

📍 ~40 km from Donostia / San Sebastián (reachable by car)

💸 Flights from ~$306

Pamplona (PNA)

Pamplona is useful for domestic Spanish connections, particularly to Madrid, with a relatively short drive.

📍 ~66 km from Donostia / San Sebastián (reachable by car)

💸 Flights from ~$354

Santander (SDR)

Santander is a significant base for low-cost carriers, providing budget options along the northern coast.

📍 ~150 km from Donostia / San Sebastián (reachable by car)

💸 Flights from ~$244

Vitoria (VIT)

Vitoria occasionally offers specific low-cost routes not found at other local airports.

📍 ~70 km from Donostia / San Sebastián (reachable by car)

💸 Flights from ~$339

Business & First Class Flight Deals to Donostia / San Sebastián

Donostia / San Sebastián, Spain

42% AI deal score

$2,405

From IST

Elite

Jul 24

Donostia / San Sebastián, Spain

42% AI deal score

$7,198

Frequently Asked Questions About Flights to Donostia / San Sebastián

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking platforms can also help you identify better deals. Looking into flights with layovers may sometimes present lower-cost options.

Booking flights in advance often provides more competitive prices, though last-minute deals can occasionally appear. It's generally advisable to monitor price trends over several weeks or months before your intended departure. Prices can fluctuate based on demand and other factors.

Yes, comparing nearby airports can sometimes uncover more economical flight options. While it may add to your ground travel time, the potential savings on airfare can be significant. Always factor in the total cost and convenience when considering alternative airports.

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Cheap Flights from Istanbul to Donostia / San Sebastián

Today’s best flight deals from Istanbul to Donostia / San Sebastián

Unlock all 500+ flight deals to Donostia / San Sebastián and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Istanbul to Donostia / San Sebastián

How much is a round trip from Istanbul to Donostia / San Sebastián

The cheapest time to fly from Istanbul to Donostia / San Sebastián

Direct flights from Istanbul to Donostia / San Sebastián

Last-minute flights going from Istanbul to Donostia / San Sebastián

Biggest price drops on these dates for flights from Istanbul to Donostia / San Sebastián

Popular Airports to fly from Istanbul to Donostia / San Sebastián

Istanbul - Donostia / San Sebastián route insights

Current fares are below the typical level

November is historically cheapest at $128

Connecting flights average 18h 20m

Multiple airlines offer connecting flights

Pegasus Airlines offers a recent deal for $312

Consider booking during February to November

Istanbul main airports to depart from

Donostia / San Sebastián main airports to arrive at

Airports nearby Donostia / San Sebastián used as alternative

Business & First Class Flight Deals to Donostia / San Sebastián

Best Elite deals to Donostia / San Sebastián

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Frequently Asked Questions About Flights to Donostia / San Sebastián

How can I find cheap flights from Istanbul to Donostia / San Sebastián?

How can I find cheap flights from Istanbul to Donostia / San Sebastián?

When should I book flights from Istanbul to Donostia / San Sebastián?

When should I book flights from Istanbul to Donostia / San Sebastián?