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 3606 datapoints.)
The best day to arrive at Istanbul is Monday and it would be best to avoid Friday, as prices are on average 26.9% higher than on Monday. (Average prices, based on 3992 datapoints.)
The cheapest airline flying to Istanbul is Flydubai. They are 61% cheaper than Etihad Airways. (Average prices, based on 3671 datapoints.)
At Istanbul the most flights depart around 14:00. (Hourly flights, based on 3777 datapoints.)
From Istanbul it is on average the cheapest to fly to Frankfurt and to Dusseldorf. (Average prices, based on 1334 datapoints.)
From Istanbul most of the flights depart to Jeddah, second best connected from Istanbul is London. (Daily flights, based on 71 datapoints.)