Cheap flights from Athens to Istanbul from $100

The month of February is, on average, the cheapest month to fly to Istanbul from Athens, with most prices found around $160. The month of January is another great option to travel to Istanbul, with average flight prices from Athens averaging around $181.

The cheapest day to depart on your flight to Istanbul is on a Monday when prices can be found for as low as $1,266. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Athens to Istanbul for around $3,128.

In the afternoon is the cheapest time of day to fly from Athens to Istanbul when you can find flight prices for as low as $1,093. Flying to Istanbul in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $1,674. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Athens Eleftherios V. to Istanbul Sabiha Gokcen for the best Athens Eleftherios V. - Istanbul flight prices

You are more likely to see cheaper flights to Istanbul from Athens when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul for around $235 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul from Athens for as low as $180 on momondo.

There are 2 cabin classes available to choose from on Athens to Istanbul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 17% of flights between Athens and Istanbul have experienced a delay on any given week. The average delay length over the past 12 months has been 106 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Sky Express have had the fewest delays on this route over the last 12 months, with about 5% of their flights experiencing any sort of delay.

28 flights are operational daily from Athens to Istanbul as of November 2026. The most popular departure time for this route is 10:00, with 39% of flights per day taking off at midday.

As of November 2026, there are 199 flights per week flying from Athens to Istanbul. The most common day of the week flights depart is Mon, with 19% of flights taking off on this day.