Train SP21: timetable and ticket prices

Train SP21 runs on 4 routes in Thailand. The times and fares below are typical values from our saved timetable; pick a travel date and press Check times to see the live fares and availability for that day. Operator: SRT.

Train at a glance

Main run06:10 → 14:00Bangkok to Ubon Ratchathani · 7h 50m
Lowest fare261 THB
Routes served4SRT

Then pick a train and fare class below and book on Baolau

Routes and times of train SP21

Bangkok to Ayutthaya

TrainDepartsArrivesDurationFare classes (per adult)
SP21 06:10 06:58 0h 48m
  • Second class Seat (A/C)261 THBBook

Bangkok to Nakhon Ratchasima

TrainDepartsArrivesDurationFare classes (per adult)
SP21 06:10 10:01 3h 51m
  • Second class Seat (A/C)343 THBBook

Bangkok to Surin

TrainDepartsArrivesDurationFare classes (per adult)
SP21 06:10 12:09 5h 59m
  • Second class Seat (A/C)407 THBBook

Bangkok to Ubon Ratchathani

TrainDepartsArrivesDurationFare classes (per adult)
SP21 06:10 14:00 7h 50m
  • Second class Seat (A/C)499 THBBook

Timetable sampled on 3 upcoming days and updated 2026-10-16 03:11. Ticket prices are per adult. A service fee and payment fees may be added at checkout and vary by payment method. Check live availability for your date.

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Other trains in Thailand

EX51EX52EX71EX72EX75EX76EX83EX84EX85EX86EX741EX742EX743EX744RP102RP107

Frequently asked questions

What time does train SP21 leave?

Bangkok to Ubon Ratchathani: departs 06:10, arrives 14:00, journey 7h 50m (times can differ by day, so check your actual travel date).

Where does train SP21 go?

Train SP21 runs on these routes: Bangkok to Ayutthaya; Bangkok to Nakhon Ratchasima; Bangkok to Surin; Bangkok to Ubon Ratchathani.

How much is a ticket on train SP21?

Tickets for train SP21 start from 261 THB; the price depends on the route and the class. See the fare of each class in the tables above.

How do I book?

Choose your travel date on this page, click Check availability & book, and complete the booking online.