Surat Thani to Khon Kaen by train

There is no direct train. You change trains once in Bangkok and book each train as its own ticket. We found 3 good connections.

Cheapest 443 THB RP172 + EX75 · 18h 35m Fastest 18h 35m RP172 + EX75 · 18h 35m · from 443 THB Sleep on the train 951 THB RP172 + EX75 · 18h 35m · berth fare

Day you leave Surat ThaniThe second train's date is set for you.

Compare all connections

1st train	Change at	2nd train	Total time	Fare from	With berths
RP172 20:55	Bangkok wait 1h 12m	EX75 08:45	18h 35m	443 THB	951 THB
SP40 09:00	Bangkok wait 2h 20m	SP25 20:25	19h 10m	1,431 THB	1,431 THB
SP40 09:00	Bangkok wait 3h 20m	RP133 21:25	20h 10m	711 THB	1,201 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.

18h 35mfrom 443 THBCheapestFastestSleep on the trainShort change: trains can be late

Day 1 20:55 Surat Thani → Day 2 07:30 Bangkok (Krung Thep Aphiwat)

RP172 · Rapid · 10h 38m · 🌙 overnight · from 216 THB · berth 724 THB

Book RP172
⏱ Change in Bangkok: wait 1h 12m at Bangkok (Krung Thep Aphiwat)
Day 2 08:45 Bangkok (Krung Thep Aphiwat) → Day 2 15:30 Khon Kaen

EX75 · Express · 6h 45m · from 227 THB

Book EX75

19h 10mfrom 1,431 THB

Day 1 09:00 Surat Thani → Day 1 18:05 Bangkok (Krung Thep Aphiwat)

SP40 · Special Express · 9h 05m · from 524 THB

Book SP40
⏱ Change in Bangkok: wait 2h 20m at Bangkok (Krung Thep Aphiwat)
Day 1 20:25 Bangkok (Krung Thep Aphiwat) → Day 2 04:10 Khon Kaen

SP25 · Special Express · 7h 45m · 🌙 overnight · from 907 THB · berth 907 THB

Book SP25

20h 10mfrom 711 THB

Day 1 09:00 Surat Thani → Day 1 18:05 Bangkok (Krung Thep Aphiwat)

SP40 · Special Express · 9h 05m · from 524 THB

Book SP40
⏱ Change in Bangkok: wait 3h 20m at Bangkok (Krung Thep Aphiwat)
Day 1 21:25 Bangkok (Krung Thep Aphiwat) → Day 2 05:10 Khon Kaen

RP133 · Rapid · 7h 45m · 🌙 overnight · from 187 THB · berth 677 THB

Book RP133

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 Surat Thani to Khon Kaen?

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

What is the fastest way from Surat Thani to Khon Kaen by train?

Take RP172 at 20:55, change in Bangkok and continue on EX75. The whole trip takes about 18h 35m, including 1h 12m to change trains.

What is the cheapest train from Surat Thani to Khon Kaen?

From about 443 THB per adult in total, on RP172 and EX75 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.