Originally Posted by iamaho

According to the rules listed on the website. The 50 TL guest charge is applicable for TK domestic flights only. So your parents and sister would not be able to access the CIP lounge even if you wanted to pay for it.

Application Rules:

Valid only on domestic flights and in CIP lounges in Turkey.

Not valid for AnadoluJet flights.

Valid on both award and paid tickets.

There is no restriction for number of passengers
who will benefit from this application.

Companion can have a different surname. Refund or change is not allowed.

http://www.turkishairlines.com/en-cy...art_elite.aspx