Thai AirAsiaDepart08:45
Tue, Mar 16URT → USM
2h 25m · 1 stop
$121one way, per person
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- Cheapest fare
- $121
- Cheapest month
- March
- Direct flights
- Not recently
- Quickest trip
- 2h 20m
Thai AirAsia · Tue, Mar 16
from $121
Usually 1+ stop
90 km
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Cheapest month to fly from Surat Thani to Koh Samui
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in March 2027
The lowest fares we've seen for each day, cheapest first.
Thai AirAsiaThai AirAsiaDepart19:40
Sat, Mar 6URT → USM
2h 30m · 1 stop
$123one way, per person
View deal
Plan the rest of your trip to Koh Samui
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About flights from Surat Thani to Koh Samui
Surat Thani (URT) and Koh Samui (USM) are about 90 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 2h 20m. Over the next few months, one-way fares start from $121, and March 2027 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Surat Thani to Koh Samui?
The cheapest one-way fare we've seen recently is $121 with Thai AirAsia, departing Tuesday, March 16, 2027. Over the coming months, the lowest fare in each month ranges from $121 to $226.
What is the cheapest month to fly from Surat Thani to Koh Samui?
March 2027 currently has the lowest fares, from $121 one way.
Are there direct flights from Surat Thani to Koh Samui?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Surat Thani to Koh Samui?
The quickest journey we've seen takes about 2h 20m. Surat Thani and Koh Samui are around 90 km apart.
Which airlines fly from Surat Thani to Koh Samui?
Recent fares on this route were with Thai Vietjet Air and Thai AirAsia.
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