Bus No.549 Connects Suvarnabhumi Airport to Minburi via Lad Krabang Road, taking a right turn to Rom Khao Road, cutting left to Sihaburanukit Minburi Road, taking left turn to Seri Thai Road. End the route at Bang Krabi.

Bus No.550 Connects Suvarnabhumi Airport along to Happy Land via Lad Krabang Road, On Nuch Road, turning right to Sri Nakarin Road, turning left to Ladprao Road, and turning right to Happy Land.

Bus No.551 (Express Way) Connect Suvarnabhumi Airport to the Victory Monument via New Bangkok-Chon Buri expressway to Srirat expressway for exit at Rama 9 toll gate to continue further along Asoke-Dindaeng Road and Ratchawithi Road for the final stop at the Victory Monument.

Bus No.552 Connects Suvarnabhumi Airport to the On-Nuch Sky Trian Station via Bangna-Bangpakong Road, taking a right turn to Sukhumvit Road until the On-Nut sky train station.

Route 552A From Suvarnabhumi Airport along to Bangna-Bang Pakong Rd. ---> Arrived Bangna turn left to Sukhumvit Rd. ---> pass Sam Rong. End of route at Preksa Depot (Samut Prakan).

Route 553 Connects Suvarnabhumi Airport to Samut prakarn Province via Lad Krabang Road, taking a left turn to Kingkaew Road, turning right to Bangna-Bangpakong Road, turning left to Srinakarin Road, turning right to Sukhumvit Road, turning left to Sai Loud Road until Samut Prakan.

Route 554 Connects Suvarnabhumi Airport to Bangkok International Airport via New Bangkok-Chonburi expressway, turning right to the eastern outer ring road, taking a left turn to Ramintra Road, Changwattana Road, turning right to Vibhavadi Rangsit Road until reaching Bangkok International Airport.