The best option is a taxi if you prioritize comfort and speed. However, be mindful of the high cost.
Traveling from Don Mueang Airport to Phrae can be done by taxi or other transport, with a journey time of about 510 minutes. It's important to consider the high cost, which ranges from 10,285 to 13,090 THB, and decide if this option suits your needs. Checking current schedules and prices is advised.
The cheapest option is also a taxi, but there are no particularly low-cost options. Consider the relatively high price.
For families, a taxi can be particularly convenient, though the high cost of the trip should be considered.