Cheap Flights from Koh Samui to Chiang Rai from £ 86

Frequently Asked Questions

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

  Based on Trip.com data, Bangkok Airways offers one-way fares as low as £ 86 on Cheapest nonstop routes (e.g. USM to CEI on Sat, Jan 10), while Bangkok Airways offers Cheapest nonstop round-trips from £ 283 departing on Wed, Dec 17 and returning on Fri, Dec 19.

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

  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 Rai 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 can I find the best deals on flights from Koh Samui to Chiang Rai?

  To find best deals on flights from Koh Samui to Chiang Rai, 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 Sat, Jan 10, with one-way flights priced at just £ 86.
  · 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 Rai 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 Rai to get the best price?

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

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

  After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Koh Samui to Chiang Rai on December 24, 2025 with Bangkok Airways, with prices starting at £ 268.

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

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

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

  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.