Cheap flights from Trat to Koh Samui

One-way fares from $155 · TDX → USM · prices found by travellers in the last 48 hours

Compare all dates Koh Samui → Trat
Cheapest fare
$155

Bangkok Airways · Sun, Mar 21

Cheapest month
March

from $155

Direct flights
Not recently

Usually 1+ stop

Quickest trip
2h 10m

390 km

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Cheapest month to fly from Trat to Koh Samui

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. January 2027 $164
  2. March 2027 Cheapest $155

Cheapest dates in March 2027

The lowest fares we've seen for each day, cheapest first.

Bangkok Airways
Depart09:40 Sun, Mar 21TDX → USM 2h 10m · 1 stop
$155one way, per person
View deal
See every date in March 2027 →

Plan the rest of your trip to Koh Samui

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in Koh SamuiCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in Koh SamuiTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in Koh SamuiPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in Koh SamuiCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Trat to Koh Samui

Trat (TDX) and Koh Samui (USM) are about 390 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 10m. Over the next few months, one-way fares start from $155, 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 Trat to Koh Samui?

The cheapest one-way fare we've seen recently is $155 with Bangkok Airways, departing Sunday, March 21, 2027. Over the coming months, the lowest fare in each month ranges from $155 to $164.

What is the cheapest month to fly from Trat to Koh Samui?

March 2027 currently has the lowest fares, from $155 one way.

Are there direct flights from Trat to Koh Samui?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Trat to Koh Samui?

The quickest journey we've seen takes about 2h 10m. Trat and Koh Samui are around 390 km apart.

Which airlines fly from Trat to Koh Samui?

Recent fares on this route were with Bangkok Airways.

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