$144 Cheap Flights from Istanbul (IST) to Ermoupolis (JSY)

View $144 flight on Fri, Jan 2, 2026Opens in a new window

Popular airlines from Istanbul Airport (IST) to Ermoupolis (JSY-Syros Island National)

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Cheap Flights from Istanbul to Ermoupolis (IST-JSY)

Prices were available within the past 7 days and start at $144 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alternative airports near Ermoupoli

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Mykonos Island National JMK. Cheapest option available. Average driving time to city center is 5 hours 54 minutes. Flights from $410
JMK
Mykonos Island National
Cheapest
Average driving time to city center5 h 54 min
Flights from $410
Select flight to Paros National PAS. Average driving time to city center is 7 hours 48 minutes. Flights from $453
PAS
Paros National
Average driving time to city center7 h 48 min
Flights from $453
Flights from Istanbul (IST) to Ermoupolis (JSY)
Origin airport
Istanbul
Destination airport
Syros Island National
Distance
333 mi

Istanbul to Ermoupolis Flights

The cheapest times to fly from Istanbul to Ermoupolis

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

 

The best time to book a flight from Istanbul to Ermoupolis

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

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 Ermoupolis in 2025. You can also book with separate airlines for your outbound and return journeys, from $144 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 Ermoupolis 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 Ermoupolis 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 Syros Island National Airport (JSY) cost?
Get a cheap one-way flight from $144 or cheap return flight from Istanbul (IST) to Syros Island National Airport (JSY) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Istanbul (IST) to Syros Island National Airport (JSY)?
Traveling in can help you save, as it's the cheapest month for flights between IST and JSY. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Istanbul (IST) to Syros Island National Airport (JSY)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest IST to JSY flight.
How many flights per day from Istanbul (IST) to Syros Island National Airport (JSY)?
There aren't any daily direct flights from Istanbul (IST) to Syros Island National Airport (JSY). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from IST to JSY?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the time of year, airline and other factors.*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 Syros Island National Airport (JSY)?
Opt for a flight from Istanbul (IST) to Syros Island National Airport (JSY) that takes off before 3 PM to reduce the likelihood of delays. Later departures are on average 22% more likely to be 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 Syros Island National Airport (JSY) last-minute?
Last-minute bookings from IST to JSY are typically more expensive. To secure the lowest prices, start searching for flights well ahead of time. That said, if you're flexible with your travel plans, it's possible to find a cheap fare right before your trip.
Is it cheaper to book an IST to JSY flight and hotel package?
Compared with arranging hotels and flights separately, booking an IST to JSY flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place will take the hassle out of travel planning. Simply secure your flights and select from our extensive range of stays, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Istanbul (IST) to Syros Island National Airport (JSY)?
In most instances, you can reschedule or cancel your IST to JSY flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you need more information, head to our Customer Service portal.

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*Available to One Key members.