Cheap Flights Seoul – Chiang Mai from CAD 117

Flight FAQs

• Which airlines offer the cheapest flights from Seoul (SEL) to Chiang Mai (CNX)?

  Based on Trip.com data, Jin Air offers one-way fares as low as CAD 117 on Cheapest nonstop routes (e.g. ICN to CNX on Mon, Mar 16), while Thai AirAsia X offers Cheapest nonstop round-trips from CAD 281 departing on Fri, Mar 20 and returning on Sun, Mar 22.

• Which airlines offer direct flights from Seoul to Chiang Mai?

  At the moment, you can catch a direct flight from Seoul to Chiang Mai with the following airlines, including: Eastar Jet Jin Air Jeju Air T'Way Air 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 Seoul (SEL) to Chiang Mai (CNX)?

  It takes about 6 hours 12 minutes to fly from Seoul (SEL) to Chiang Mai (CNX).

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

  Based on Trip.com data in the past 4 weeks, there is 21 flight per week flying from Seoul to Chiang Mai. You can check the weekly schedule for popular airlines on this route below: Jin Air: S/M/T/W/T/F/S -- LJ009 (17:39) Jeju Air: S/M/T/W/T/F/S -- 7C2515 (19:21)

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

  To find best deals on flights from Seoul 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 Mon, Mar 16, with one-way flights priced at just CAD 117.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Jin Air.
  · 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 Seoul to Chiang Mai to get the best price?

  The cheapest months to fly from Seoul to Chiang Mai is October, when demand for travel is lower.

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

  After crunching the numbers on our January flight calendar, it's currently cheapest to fly from Seoul to Chiang Mai on January 22, 2026 with Thai AirAsia X, with prices starting at CAD 76.

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

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

• What is the time difference between Seoul and Chiang Mai?

  The time difference between Chiang Mai and Seoul is 2h.

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