The cheapest way to get from Bangkok to Pattaya is by SRT. It will cost you 31 baht per person and will take 3 hours and 30 minutes to get there. You can take an SRT at Bangkok railway station in Hua Lamphong. You will get off at Pattaya railway station. From there you can take a Grab Taxi to your hotel or any location you’re going to.

The advantage of taking an SRT is at 31 baht per person, this is by far the cheapest option compared to other transportations. If you're new to Thailand, it may be worth the views as you sit back and relax. The disadvantage of taking an SRT is it runs real slow compared to other transportations. If you'd rather spend most of your day at your destination this may seem like a bad option.