Bus service to pattaya for 150 baht, a good deal if the bus times fit in with your flight times. This service includes transportation to your hotel.
Bus timetable:
Airport to Pattaya:08.00/10.00/12.00/14.00/16.00/18.00
You can reserve a seat by email.
rrc_bus@hotmail.com
Bell Travel Service Co.,Ltd
Tel. Bangkok Office: 02-747-4673, 02-747-4675
Tel. Pattaya Office: 038-370-055, 038-370-056
Suvarnabhumi airport:
Contact number is +66(0)89-449-8843