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 Pegasus Airlines. They are 93% cheaper than Emirates. (Average prices, based on 5298 datapoints.)
At Istanbul the most flights depart around 10:00. (Hourly flights, based on 5685 datapoints.)
From Istanbul it is on average the cheapest to fly to Antalya and to Athens. (Average prices, based on 278 datapoints.)
From Istanbul most of the flights depart to Antalya, second best connected from Istanbul is London. (Daily flights, based on 116 datapoints.)