How early should you arrive at Istanbul airports before departure: Sabiha Gökçen vs Istanbul Airport?

For a 9:00 am departure from Sabiha Gökçen, if you already have your boarding pass and no checked luggage, travelers usually allow about 2 hours before departure.

For Sabiha Gökçen in general, 2 hours before the flight is considered a comfortable buffer for security checks and getting to the gate without rushing.

For Istanbul Airport (IST), it is better to plan about 2.5 hours before departure because the airport is large and walking through the terminal to the gate can take significantly longer.