Passengers can change the date and/or travel details for free for 1 time. Passengers traveling from Bangkok or Chiang Mai must present the ticket and contact Sombat Tour ticket counter in person at least 3 hours before travel time on the ticket. Passengers traveling from other provinces must present the ticket and contact the counter at least 5 hours before travel time on the ticket. If passengers contact the ticket counter after the time required, the ticket will be waived. The ticket that has already been changed cannot be refunded.

To cancel/refund, the passenger traveling from Bangkok or Chiang Mai must present the ticket and contact Sombat Tour ticket counter in person at least 3 hours before travel time on the ticket. As for other provinces, passenger must present the ticket and contact the counter at least 5 hours before travel time on the ticket. There is cancellation/refund fee for 10% of the ticket price.

If the passenger misses the bus, he/she is deemed as waiving the travel right and not entitled to get refund for the paid travel fare.