The Airport Rail Link that connects downtown Bangkok with Suvarnabhumi International Airport is a smart alternative to the airport’s express buses or taxis.

Suvarnabhumi Airport City Line (SA City Line)

Service between Suvarnabhumi Station and Phaya Thai Station, stops at 6 stations on the way, namely

– Lat krabang Station;

– Baan Tubchang Station

– Hua Maak Station

– Ramkhanhaeng Station,

– Makkasan Station,

– Rajaprarop Station,
Travelling Time 30 minutes and runs every 15 mins
Fare : Increment rate starts at 15 baht, maximum 45 baht

Suvarnabhumi Airport Express-Makkasan (SA Express Line)

This line provides transportation between Bangkok City Air Terminal (BCAT) from Makkasan to Suvarnabhumi Airport within 15 minutes, which stops only at Makkasan Station and Suvarnabhumi Station.
Fare : 150 baht

The Airport Rail Link connects you to the MRT at Makkasan City Interchange Station (MRT Petchaburi Station) and the BTS Skytrain at Phayathai Station. However, do note that if you are carrying big and heavy luggage, this option may not be convenient as some stations do not have escalators.

Both lines operate from 06.00 am. – midnight everyday

More information at : http://www.srtet.co.th/en/index.html