It normally takes about 7 hours to fly between Douala (DLA) and Istanbul (IST).
There are 4 direct flights between Douala and Istanbul every week.
The flight numbers are TK669 and TK671.
From Douala you will fly out from Douala (DLA) and you will be landing at Istanbul Airport (IST).
Boeing 737 flies this route operated by Turkish Airlines.
Turkish Airlines have non-stop flights to Istanbul.