Cheap Flights Koh Samui – Chiang Mai from £67

Flight FAQs

• Which airlines offer the cheapest flights from Koh Samui (USM) to Chiang Mai (CNX)?

  Based on Trip.com data, Bangkok Airways offers one-way fares as low as £67 on Cheapest nonstop routes (e.g. USM to CNX on Wed, Apr 29), while Bangkok Airways offers Cheapest nonstop round-trips from £152 departing on Fri, Apr 24 and returning on Tue, Apr 28.

• Which airlines offer direct flights from Koh Samui to Chiang Mai?

  At the moment, you can catch a direct flight from Koh Samui to Chiang Mai 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 Koh Samui (USM) to Chiang Mai (CNX)?

  It takes about 1 hour 47 minutes to fly from Koh Samui (USM) to Chiang Mai (CNX).

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

  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 Chiang Mai 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 Koh Samui to Chiang Mai?

  Based on Trip.com data in the past 4 weeks, there is 7 flight per week flying from Koh Samui to Chiang Mai. You can check the weekly schedule for popular airlines on this route below: Bangkok Airways: S/M/T/W/T/F/S -- PG241 (08:56)

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

  To find best deals on flights from Koh Samui to Chiang Mai, 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 Wed, Apr 29, with one-way flights priced at just £67.
  · 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 Chiang Mai travel is around January.
  · Get exclusive promo codes for Trip.com app users.

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

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

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

  After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Koh Samui to Chiang Mai on March 22, 2026 with Bangkok Airways, with prices starting at £62.

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

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

• What is the time difference between Koh Samui and Chiang Mai?

  The time difference between Chiang Mai and Koh Samui is 0h.

• How can I change or cancel my flight ticket from Koh Samui to Chiang Mai?

  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.