Excellent question. The short answer is: No, you cannot directly transfer Turkish Airlines Miles&Smiles miles to the frequent flyer programs of other airlines.
However, there are several powerful and flexible alternatives that allow you to use your Miles&Smiles miles for flights on other carriers. Here’s a breakdown of your options:
This is the most common and valuable way to use your miles for other airlines. Turkish Airlines is a member of the Star Alliance and also has many non-alliance partners. You can redeem your Miles&Smiles miles for award flights on these partners by booking through Turkish Airlines.
How it works: You search for award availability on the partner airline’s website (this is key), then call the Turkish Airlines Miles&Smiles call center to book the flight using your miles. You can sometimes find and book online, but phone support is often more reliable for complex partner bookings.
This is the only way to “transfer” miles into Miles&Smiles, not out. Turkish Airlines is a transfer partner of several major flexible currency programs: Citi ThankYou Points (in certain regions) Capital One Miles (transfers at a 1: