Introduction
Sun Bus is a Thai bus company serving routes between Bangkok, Chaiyaphum, Khon Kaen and Loei.
Buses operated by Sun Bus
Sun Bus operates seated buses.
Seated buses generally cover long distances during daytime and overnight, connecting two or more cities in different provinces.
The most common models of seating buses are single-deck coaches equipped with reclining seats and capacity for 30 to 40 passengers.
For more information about travelling by bus, please read our Bus Guide in Thailand.
Routes
We facilitate advance ticket booking for the following bus routes operated by Sun Bus:
Bangkok - Chaiyaphum - Chum Phae - Loei Line serving Bangkok, Chaiyaphum, Chum Phae and Loei
Destinations
Sun Bus serves the following destinations in Thailand:
Northeastern Thailand
Northeastern Thailand comprises the provinces of Bueng Kan, Nong Khai, Loei, Nong Bua Lamphu, Udon Thani, Sakon Nakhon, Nakhon Phanom, Mukdahan, Kalasin, Chaiyaphum, Khon Kaen, Maha Sarakham, Roi Et, Yasothon, Amnat Charoen, Nakhon Ratchasima, Buriram, Surin, Sisaket and Ubon Ratchathani.
Bus routes to Loei
Bus routes to Chaiyaphum
Bus routes to Khon Kaen
Central Thailand
Central Thailand comprises the provinces of Ang Thong, Phra Nakhon Si Ayutthaya, Bangkok, Chai Nat, Lop Buri, Nakhon Pathom, Nonthaburi, Pathum Thani, Samut Prakan, Samut Sakhon, Samut Songkhram, Saraburi, Sing Buri, Suphan Buri, Nakhon Nayok, Kanchanaburi and Ratchaburi.
Bus routes to Bangkok
Change policy
The following change terms apply to the bus fares:
| Sun Bus | Change time/date |
| Fare VIP 32 | Not permitted |
| Fare VIP 24 | Not permitted |
In accordance with the policy of Sun Bus, once the booking has been confirmed changes are not permitted.
Cancellation policy
The following cancellation terms apply to the bus fares:
| Sun Bus | Cancellation before departure |
| Fare VIP 32 | Not permitted |
| Fare VIP 24 | Not permitted |
In accordance with the policy of Sun Bus, tickets are non-refundable.