Last updated on October 21st, 2022 at 10:15 amAmong the travel classes offered by Turkish Airlines are Economy Class and Business Class. You can choose from these two options if you already booked your flight for Economy Class. If you want to upgrade to Business Class, you can do so via Turkish Airlines’ online and offline channels. Check out the Turkish Airlines Upgrade Flight Policy for more information. About Turkish Airlines Business Class Definitely worth upgrading to Turkish Airlines Business…