Istanbul→PortoNonstop Flight TimeIST–OPO

Istanbul (Istanbul Airport) to Porto (Porto Airport).

Direct flights from IST to OPO have an estimated flight time of about 4h 34m, based on the 1,929-mile great-circle distance. Our current captured departure sample includes 2-3/day across 1 captured airline, with Turkish Airlines appearing most often in that sample. Captured departure times run from 06:50 to 20:35 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for IST to OPO, last seen June 15, 2026. Frequency uses 15 scheduled departures across 7 observed days; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.