The average bus between Mega Bangna and Siam Square takes 57 min and the fastest bus takes 44 min. The bus runs at least 2 times per hour from Mega Bangna to Siam Square. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run every 30 minutes between Mega Bangna and Siam Square. The earliest departure is at 5:33 AM in the morning, and the last departure from Mega Bangna is at 9:18 PM which arrives into Siam Square at 10:17 PM. All services require a transfer at Opposite Central Bangna and take an average of 57 min. The schedules shown below are for the next available departures.


59 min • 2 changes


59 min • 2 changes


59 min • 2 changes


59 min • 2 changes
Want to know about travelling from Mega Bangna to Siam Square? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Mega Bangna to Siam Square. However, there are services departing from Mega Bangna station and arriving at Siam Square station via Opposite Central Bangna. The journey, including transfers, takes approximately 57 min.
Mega Bangna to Siam Square bus services, operated by Thai Smile Bus, depart from Mega Bangna station.
Mega Bangna to Siam Square bus services, operated by Thai Smile Bus, arrive at สยามสแควร์;Siam Square station.
Book your Mega Bangna to Siam Square bus tickets online with Thai Smile Bus and Department of Land Transport.
The distance between Mega Bangna and Siam Square is 19.2 km. The road distance is 28 km.
You can take a bus from Mega Bangna to Siam Square via Opposite Central Bangna, จุดขึ้นลง;visual stop, รพ.ทหารผ่านศึก;Veterans General Hospital, สวนป่าวิภาวดี;Vibhavadi Forest Park, and สยามสแควร์;Siam Square in around 1h 2m.