I had issues about transit which has been explained to me by you all: I wasn't allowed to check in for my flight because I didn't have a Turkish transit visa.
On my ticket, the going side has transit to Istanbul with different airports: Atatürk to SAW. But the returning side has the transit on the same airport: Atatürk, and I will continue my journey from the same airport Atatürk, which means I won't be needing a transit visa for the returning, but the going side requires a transit visa because is different airports. My question: Is it possible for me to get another ticket for just going and then I will return with the first ticket I bought, because the returning side of the ticket has one airport but the going side has different airports and I don't have Turkish transit visa?