Last updated on August 24th, 2022 at 09:23 amTurkish Airlines offers its passengers to choose from two travel classes. You can either fly in the standard Economy Class or choose Business Class, the more luxurious air travel option. If you have already booked your flight ticket for Economy Class, you get the option of requesting an upgrade to Business Class via the online and offline channels of Turkish Airlines. Read further for details on the Turkish Airlines Upgrade Flight policy.…