Cheap Flights Bangkok – Koh Samui from Rs 20,431

Flight FAQs

• What are the cheapest flights from Bangkok to Koh Samui (BKK-USM)?

  Based on Trip.com data, Bangkok Airways offers one-way fares as low as Rs 20,431 on Cheapest nonstop routes (e.g. BKK to USM on Sun, May 17), while Bangkok Airways offers Cheapest nonstop round-trips from Rs 41,394 departing on Tue, May 26 and returning on Sun, May 31.

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

  At the moment, you can catch a nonstop 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 does it take to fly from Bangkok (BKK) to Koh Samui (USM) and what is the distance?

  It takes around 1 hour 11 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 198 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 -- PG455 (18:25) Bangkok Airways: S/M/T/W/T/F/S -- PG133 (11:46)

• 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 Sun, May 17, with one-way flights priced at just Rs 20,431.
  · 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 are flight tickets from Bangkok (BKK) to Koh Samui (USM) the cheapest?

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

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

  After crunching the numbers on our April flight calendar, it's currently cheapest to fly from Bangkok to Koh Samui on April 19, 2026 with Bangkok Airways, with prices starting at Rs 21,086.

• Which airports can I fly to for 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).

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

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

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

  Tickets can only be changed or canceled 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.