Question: I'm currently waiting for my Iranian visa authorization code. Are there any value airlines (like easyjet) operating in Iran on which one can make cheaper bookings? If yes, is there a website for that?

Answer: All the flight rates are official in Iran means that there are no cheaper flights. Check this page for onine flight booking in Iran: http://www.uppersia.com/Iran-transport-services/iran-flight-ticket-booking-service.html
 
Check the cheapest Iran tours at http://www.uppersia.com/Iran-tours