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Popular in | September |
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Cheapest in | February |
Average price | £228 |
Good round-trip deal | £221 or less |
Good one-way deal | £151 or less |
Booking 54 days in advance of your planned departure date is, on average, the best time to get cheap flights from Thessaloniki to Istanbul Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, November is the cheapest month in which you can book a flight from Thessaloniki to Istanbul Airport (average of £83). Flying from Thessaloniki to Istanbul Airport in July is currently the most expensive (average of £168). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Thessaloniki to Istanbul Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 75% versus a flight in the morning.
About 8% of weekly flights between Thessaloniki and Istanbul have experienced delays in the past year, with the average delay time being 107 minutes.
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
Monday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the past year, Gulf Air have had the lowest number of delays on this route, with just 7% of flights being delayed.
Boarding
Comfort
Food
Entertainment
Overall
Crew
Reviews
Christina,Sept 2025
DTW - IST
Boarding
Comfort
Food
Entertainment
Overall
Crew
Reviews
Christina,Sept 2025
DTW - IST
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Cheapflights simply makes it quick and affordable to book flights from Thessaloniki to Istanbul by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Cheapflights does show flights with no change fees to all users. To see these options for flights from Thessaloniki to Istanbul, users can toggle the no change fees filter when performing a flight search.
Not ready to book yet? You can track prices for flights from Thessaloniki to Istanbul on Cheapflights with our Price Alert feature and get notified when better prices are available.