Cheap Flights from Trat to Koh Samui

FAQ

• Which airlines offer direct flights from Trat to Koh Samui?

  At the moment, you can catch a direct flight from Trat to Koh Samui with the following airlines, including: Bangkok Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• When is the best time to book flights from Trat to Koh Samui?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Trat to Koh Samui is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• When are flight tickets from Trat (TDX) to Koh Samui (USM) the cheapest?

  The cheapest months to fly from Trat to Koh Samui is September, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Trat to Koh Samui on?

  After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Trat to Koh Samui on November 29, 2025 with Bangkok Airways, with prices starting at £87.

• Which airports can I fly to for Koh Samui from Trat?

  You can land at any one of the following hubs in Koh Samui, with Trat Airport to Samui Airport (TDX-USM) is by far the most common option on this route: Samui Airport (USM).

• Is there any time difference between Trat and Koh Samui?

  The time difference between Koh Samui and Trat is 0h.

• How do I change or cancel my ticket from Trat to Koh Samui?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.