To ensure you get the cheapest price possible for a flight to Guiyang, you should look to book at least 15 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Days before departure
Which day is cheapest to fly to Guiyang?
At the moment, Thursday is the most economical day to take a flight to Guiyang. Saturday is likely to be the most costly.
What time of day is cheapest to fly?
At the moment, flights at midday are likely to offer the best value for money for your Guiyang trip. A flight in the afternoon will more often than not be of higher cost.