Sun Bus is a Thai bus company serving routes between Bangkok, Chaiyaphum, Khon Kaen and Loei.

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.

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

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

• Bangkok to Loei

Bus routes to Chaiyaphum

• Bangkok to Chaiyaphum

Bus routes to Khon Kaen

• Bangkok to Chum Phae

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

• Loei to Bangkok
• Chum Phae to Bangkok