Chiang Mai to Sungai Kolok by train

There is no direct train. You change trains once in Bangkok and book each train as its own ticket. We found 2 good connections.

Cheapest 1,327 THB SP10 + RP171 · 39h 50m Fastest 39h 50m SP10 + RP171 · 39h 50m · from 1,327 THB Sleep on the train 1,934 THB SP10 + RP171 · 39h 50m · berth fare

Day you leave Chiang MaiThe second train's date is set for you.

Compare all connections

1st train	Change at	2nd train	Total time	Fare from	With berths
SP10 18:20	Bangkok wait 8h 40m	RP171 15:10	39h 50m	1,327 THB	1,934 THB
SP10 18:20	Bangkok wait 9h 40m	SP37 16:10	40h 15m	1,407 THB	2,014 THB

Fares are per adult for the cheapest class we know on each train. "With berths" uses a sleeper berth on the overnight train(s). Live fares show when you book.

39h 50mfrom 1,327 THBCheapestFastestSleep on the train

Day 1 18:20 Chiang Mai → Day 2 06:30 Bangkok (Krung Thep Aphiwat)

SP10 · Special Express · 12h 10m · 🌙 overnight · from 1,038 THB · berth 1,038 THB

Book SP10
⏱ Change in Bangkok: wait 8h 40m at Bangkok (Krung Thep Aphiwat)
Day 2 15:10 Bangkok (Krung Thep Aphiwat) → Day 3 10:10 Sungai Kolok

RP171 · Rapid · 19h · 🌙 overnight · from 289 THB · berth 896 THB

Book RP171

40h 15mfrom 1,407 THB

Day 1 18:20 Chiang Mai → Day 2 06:30 Bangkok (Krung Thep Aphiwat)

SP10 · Special Express · 12h 10m · 🌙 overnight · from 1,038 THB · berth 1,038 THB

Book SP10
⏱ Change in Bangkok: wait 9h 40m at Bangkok (Krung Thep Aphiwat)
Day 2 16:10 Bangkok (Krung Thep Aphiwat) → Day 3 10:35 Sungai Kolok

SP37 · Special Express · 18h 25m · 🌙 overnight · from 369 THB · berth 976 THB

Book SP37

Good to know

Each train is a separate ticket. Book the first train, then the second train for the day it leaves.
Leave at least 2–3 hours to change trains. Long-distance trains, especially from the south, often run late, and a missed connection is not refunded.
Most long-distance trains in Bangkok use Krung Thep Aphiwat Central Terminal, so you usually change in the same building.
Times and fares come from our timetable and can change. The booking page shows the live times, seats and fares.

FAQ

Is there a direct train from Chiang Mai to Sungai Kolok?

No. You change trains once, in Bangkok, and book each train as a separate ticket.

What is the fastest way from Chiang Mai to Sungai Kolok by train?

Take SP10 at 18:20, change in Bangkok and continue on RP171. The whole trip takes about 39h 50m, including 8h 40m to change trains.

What is the cheapest train from Chiang Mai to Sungai Kolok?

From about 1,327 THB per adult in total, on SP10 and RP171 in the cheapest available class.

How much time should I leave to change trains?

At least one hour at the same station. Long-distance trains, especially from the south, are often late, so a wait of 2–3 hours is safer. If you change between Hua Lamphong and Krung Thep Aphiwat in Bangkok, allow extra time to cross the city.