Flight Time from Koh Samui to Bangkok

At the moment, you can catch a nonstop flight from Koh Samui to Bangkok 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.

It takes around 1 hour 21 minutes to fly from Koh Samui (USM) to Bangkok (BKK).

By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Koh Samui to Bangkok 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.

Based on Trip.com data in the past 4 weeks, there is 338 flight per week flying from Koh Samui to Bangkok. You can check the weekly schedule for popular airlines on this route below: Bangkok Airways: S/M/T/W/T/F/S -- PG136 (14:39) Bangkok Airways: S/M/T/W/T/F/S -- PG104 (08:02) Bangkok Airways: S/M/T/W/T/F/S -- PG106 (08:44)

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

After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Koh Samui to Bangkok on December 8, 2025 with Bangkok Airways, with prices starting at SEK 689.

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

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

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.