Cheap Flights Bangkok – Koh Samui from CAD 109

Flight FAQs

• Which airlines offer the cheapest flights from Bangkok (BKK) to Koh Samui (USM)?

  Based on Trip.com data, Bangkok Airways offers one-way fares as low as CAD 109 on Cheapest nonstop routes (e.g. BKK to USM on Tue, Mar 10), while Bangkok Airways offers Cheapest nonstop round-trips from CAD 252 departing on Sun, Mar 22 and returning on Wed, Mar 25.

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

  At the moment, you can catch a direct flight from Bangkok 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.

• How long is the flight from Bangkok (BKK) to Koh Samui (USM)?

  It takes about 1 hour 14 minutes to fly from Bangkok (BKK) to Koh Samui (USM).

• When is the best time to book flights from Bangkok 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 Bangkok 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.

• How many flights are there per week from Bangkok to Koh Samui?

  Based on Trip.com data in the past 4 weeks, there is 220 flight per week flying from Bangkok to Koh Samui. You can check the weekly schedule for popular airlines on this route below: Bangkok Airways: S/M/T/W/T/F/S -- PG153 (14:56)

• How can I find the best deals on flights from Bangkok to Koh Samui?

  To find best deals on flights from Bangkok to Koh Samui, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Mar 10, with one-way flights priced at just CAD 109.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Bangkok Airways.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Koh Samui travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Bangkok to Koh Samui to get the best price?

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

• Which upcoming date is the cheapest for flights from Bangkok to Koh Samui?

  After crunching the numbers on our January flight calendar, it's currently cheapest to fly from Bangkok to Koh Samui on January 23, 2026 with Bangkok Airways, with prices starting at CAD 96.

• Which airports can I fly through when travelling to Koh Samui from Bangkok?

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

• What is the time difference between Bangkok and Koh Samui?

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

• How can I change or cancel my flight ticket from Bangkok 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.