Renovated CIP Turkish Airlines Lounge in Istanbul See how everyone can now afford to fly Business Class and book 5 Star Hotels with Mighty Travels Premium! Get started for free. Turkish Airlines has completed the update and upgrade of the CIP Turkish Airlines lounge at Istanbul airport - certainly one of the best Star Alliance Gold lounge I have been to. I'm looking forward to my next visit! See how everyone can now afford to fly Business Class and book 5 Star Hotels with Mighty Travels Premium! Get started for free.