Arriving Kunming Airport at 12:30 AM - 14 hour layover. Hotel options?

Yes, you can stay at the Hourly Lounge at the area of the International Departure Hall and Domestic Departure Hall on 2F. You can find the lounge by following the English guiding signs.

Or, you may consider Best Yuehang Hotel at No. 1, West Jichang Road. A standard room costs about CNY 450 per night. Book a room by dialing 0871-67089888. You can easily get there by the free shuttle bus of the hotel. Have a try! :)