Leave the airport and access the Bangkok - Chon Buri Highway (Toll Way) following the signs to Bangkok/ Rama 9 Road. Follow the Express Way to Bangna - Daokanong and exit at Sukhumvit South Ploenchit. At the exit, make a left U-turn and follow the road until the end. Turn left onto Ploenchit Road and proceed until the second traffic light. Turn left into Soi Lang Suan, the Mayfair Marriott appears after 300m on the right hand side. Please note that the transportation cost is subject to change at any time.