Please be aware that Istanbul has multiple airports and that these results are only for Istanbul Atatürk Airport.
The best month to arrive at Istanbul is November and the most expensive month to fly is August. (Average prices, based on 5132 datapoints.)
The best day to arrive at Istanbul is Monday and it would be best to avoid Friday, as prices are on average 35.74% higher than on Monday. (Average prices, based on 2724 datapoints.)
The cheapest airline flying to Istanbul is Aegean Airlines. They are 81% cheaper than Emirates. (Average prices, based on 5300 datapoints.)
At Istanbul the most flights depart around 10:00. (Hourly flights, based on 5632 datapoints.)
From Istanbul it is on average the cheapest to fly to Antalya and to Frankfurt. (Average prices, based on 315 datapoints.)
From Istanbul most of the flights depart to Antalya, second best connected from Istanbul is London. (Daily flights, based on 109 datapoints.)