Pattaya is located 130km southeast from Bangkok. There are several possibilities to travel between Pattaya and Bangkok.

Thai International Limousine Service
Booking directly (038 423140-1) or through travel agents and tour operators. The price is around 2,000 Baht.
Public Taxi
You can hire a public taxi to come from the airport to Pattaya. The taxi stand is located outside of the arrival hall. The price is 1,500 Baht, highway toll included.
Back to Bangkok you can hire a taxi from most travel agents or tour operators. The price ranges from 900 Baht to 2,000 Baht without toll.
Public Bus
Air-conditioned buses run between Bangkok and Pattaya North Road (close to Sukhumvit). The trip takes about
2 1/2 hours. The tickets can be bought at the bus station.
Bangkok Ekamai - Pattaya
Every 30 min from 5:40 to 22:00. The price is ca. 120 Baht.
This bus is the best option for central Bangkok and the train station.
Bangkok Morchit - Pattaya
Every 30 min from 5:40 to 19:00. The price is ca. 120 Baht.
This bus is the best option for the airport and northern Bangkok.
Pattaya to the airport (Bell Travel)
A bus directly to the airport departs at 6:00, 9:00, 11:00, 13:00, 15:00, 17:00 and 19:00. The price is 230 Baht.
Airport to Pattaya (Bell Travel)
A bus with drop off location Siam Penthouse III departs at 8:00, 10:00, 12:00, 14:00, 16:00 and 18:00. The price is 230 Baht.