Air Astana are offering a very good price for flights from Istanbul to Delhi, India! You can book a ticket from only €262 / $310 for a roundtrip! Xmas and NYE dates available!
(UPDATED) Few days ago we've informed you that the World’s Best Low-Cost Airline is launching a new route from Kuala Lumpur to Barcelona via Istanbul, effective October 30, 2016. Unfortunately, AirAsia denies the news.
Pegasus is having a nice sale. When you buy one ticket, you will win a free one-way, direct flight on an internal route in Turkey or an international route departing from Turkey.