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How to Travel from

Terminal 21 to Siam Square

by Bus, Bicycle, Train, Route or Car

Terminal 21
→
+0 →
Siam Square
Transport search to Siam Square
Simply select points
A and B, and we will create
a convenient route for you 👍
Thailand Terminal 21 Siam Square
Terminal 21
→
+0 →
Siam Square
Building a composite car route
Simply select points
A and B, and we will create
a convenient route for you 👍
To build a composite route, click the "Add point" button.
You can also move and delete intermediate points.
Other
Best Offer!
Bus
25 min
3 km.
from €45
Composite Route Car Only
Schedule

Terminal 21, Thailand → Siam Square, Thailand

All
12 Apr 2026
April 2026
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September 2026
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October 2026
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November 2026
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December 2026
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January 2027
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February 2027
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March 2027
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All days
13 Apr, Mon
14 Apr, Tue
15 Apr, Wed
16 Apr, Thu
17 Apr, Fri

Cheapest and Fastest Ways to Travel from {from} to {to}

Composite routes from Terminal 21 to Siam Square

Other
3 min
Car
3 km.
Select a ticket
14 min
Bicycle
3 km.
Select a ticket
33 min
2 km.
from $1.20

Transport providers

Bus operators

Bangkok Mass Transit Authority

Phone:
1348
Email:
Website:
bmta.co.th
Bus from Sukhumvit Soi 12 to CentralWorld
Ave. Duration:
6 min
Frequency:
Every 20 minutes
Estimated price:
$0.57–$0.83
Bus from Sukhumvit Soi 12 to King
Ave. Duration:
12 min
Frequency:
Every 20 minutes
Estimated price:
$0.57–$0.83
Bus from Mo Ratchaphat Walai Yo Long Kon Sun Krungthep to Siam
Ave. Duration:
3 min
Frequency:
Every 15 minutes
Estimated price:
$0.57–$0.83

Questions and Answers

What is the cheapest way to get from Terminal 21 to Siam Square?

The cheapest way to get from Terminal 21 to Siam Square is to bus which costs $1 - $1 and takes 25 min.

What is the fastest way to get from Terminal 21 to Siam Square?

The fastest way to get from Terminal 21 to Siam Square is to taxi which takes 3 min and costs $2.07 - $2.61 .

Is there a direct bus between Terminal 21 and Siam Square?

Yes, there is a direct bus departing from Sukhumvit Soi 12 and arriving at CentralWorld. Services depart every 20 minutes, and operate every day. The journey takes approximately 6 min.

How far is it from Terminal 21 to Siam Square?

The distance between Terminal 21 and Siam Square is 4 km.

How do I travel from Terminal 21 to Siam Square without a car?

The best way to get from Terminal 21 to Siam Square without a car is to bus which takes 25 min and costs $1 - $1 .

How long does it take to get from Terminal 21 to Siam Square?

The bus from Sukhumvit Soi 12 to CentralWorld takes 6 min including transfers and departs every 20 minutes.

Where do I catch the Terminal 21 to Siam Square bus from?

Terminal 21 to Siam Square bus services, operated by Bangkok Mass Transit Authority, depart from Sukhumvit Soi 12 station.

Where does the Terminal 21 to Siam Square bus arrive?

Terminal 21 to Siam Square bus services, operated by Bangkok Mass Transit Authority, arrive at CentralWorld station.

Where can I stay near Siam Square?

There are 4095+ hotels available in Siam Square. Prices start at $21.95 per night.
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