Please be aware that Istanbul has multiple airports and that these results are for all airports serving the city.
The best month to fly between Istanbul and Jeddah is September and the most expensive month to fly is October. (Average prices, based on 264 datapoints.)
The best day to arrive at Istanbul is Sunday and it would be best to avoid Saturday, as prices are on average 48.1% higher than on Sunday. (Average prices, based on 260 datapoints.)
The cheapest airline flying from Istanbul to Jeddah is Nas Air. They are 52% cheaper than Turkish Airlines. (Average prices, based on 274 datapoints.)
The best time to fly is at around 0. (Average prices, based on 519 datapoints.)