SunExpress will launch flights to Antalya from Gatwick in the spring.
The route will debut on 28 March as a three-times-weekly service.
This will grow to a daily service from 28 May.
It follows the announcement on Monday (14 December) of a Manchester-Antalya route.
This will launch as a twice-weekly service on 26 March before expanding to four-times-weekly from 30 May.
SunExpress is a Lufthansa-Turkish Airlines joint venture.
Fares are on sale now, and are available through agents and operators.