Please be aware that Istanbul has multiple airports and that these results are only for Sabiha Gökcen International Airport.
The best month to arrive at Istanbul is October and the most expensive month to fly is April. (Average prices, based on 1326 datapoints.)
The best day to arrive at Istanbul is Sunday and it would be best to avoid Friday, as prices are on average 41.06% higher than on Sunday. (Average prices, based on 1223 datapoints.)
The cheapest airline flying to Istanbul is Pegasus Airlines. They are 83% cheaper than Kuwait Airways. (Average prices, based on 1433 datapoints.)
At Istanbul the most flights depart around 13:00. (Hourly flights, based on 1517 datapoints.)
From Istanbul it is on average the cheapest to fly to Antalya and to Vienna. (Average prices, based on 862 datapoints.)
From Istanbul most of the flights depart to Antalya, second best connected from Istanbul is Kayseri. (Daily flights, based on 64 datapoints.)