Flights from Chiang Mai to Austin lean towards being more expensive in January. Prices are generally better when you fly from Chiang Mai to Austin in March, with the cheapest ticket starting at ฿ 26,200.
When travelling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Chiang Mai is roughly less than Austin. You can assume this to be the case over the next 1 days.
We forecast the temperature to be around the 37 °Cs in April, on average. The temperature in Austin is generally colder than in Chiang Mai. Book flights in a timely manner in correlation to your departure date.