Turkish Airlines will launch flights from Istanbul Sabiha Gokcen airport to Ukraine's Kiev Borispol International airport on 19 June.
The new route will by operated thrice weekly.
Turkey's flag carrier already operates 13 weekly services from Istanbul Ataturk airport to Kiev.
According to Innovata schedules, no other carrier operates flights from Istanbul Sabiha Gokcen airport to Kiev.
However, Turkish Airlines competes with AeroSvit Airlines for services to Kiev from Istanbul Ataturk airport.