Burapha is a bus company that sells a range of combo tickets between Koh Chang and Bangkok and Pattaya. As Koh Chang is an island, tickets include ferry transfers across to the island as well as bus transportation.
Many of the buses include pick up directly from the main airport in Bangkok which is Suvarnabhumi Airport and then takes you straight to Koh Chang from there. Longer routes on Express buses provide food, snacks, and drinks as well as blankets.
Depending on the different routes buses may vary. Some of these are Express buses which are large and have spacious seating and reclining seats. Other routes however use minivans which are much smaller and do not have a full range of amenities.
Routes served by Suvarnabhumi Burapha Bus Company
This bus company services a variety of routes around Thailand although these are mostly focused on travel to and from Koh Chang. You can get directly to Koh Chang or to the pier in Trat from where there are also options to get to Koh Kood and Koh Mak.