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 3461 datapoints.)
The best day to arrive at Istanbul is Monday and it would be best to avoid Friday, as prices are on average 23.12% higher than on Monday. (Average prices, based on 3807 datapoints.)
The cheapest airline flying to Istanbul is Pegasus Airlines. They are 90% cheaper than Egyptair. (Average prices, based on 3650 datapoints.)
At Istanbul the most flights depart around 10:00. (Hourly flights, based on 3870 datapoints.)
From Istanbul it is on average the cheapest to fly to Antalya and to Frankfurt. (Average prices, based on 785 datapoints.)
From Istanbul most of the flights depart to Antalya, second best connected from Istanbul is London. (Daily flights, based on 106 datapoints.)