฿3,950 Find Cheap Flights from Seoul to Chiang Mai

The cheapest return flight from Seoul to Chiang Mai costs ฿8,738 on the route between Incheon Intl Airport (ICN) and Chiang Mai (CNX). It is also the most popular route.

For Seoul to Chiang Mai, Monday is the cheapest day to fly on average and Thursday is the most expensive. Flying from Chiang Mai back to Seoul, the best deals are generally found on Sunday, with Monday being the most expensive.

The cheapest month for flights from Seoul to Chiang Mai is March, where tickets cost ฿2,154 (return) on average. On the other hand, the most expensive months are December and November, where the average cost of round-trip tickets is ฿16,746 and ฿15,636 respectively.

To get a below average price on the flight from Seoul to Chiang Mai, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

In the past 3 days, the cheapest return tickets from Seoul to Chiang Mai were found on Air Busan (฿8,520) and Eastar Jet (฿8,846).

Jin Air connects Seoul to Chiang Mai with 4 flights per week. Jeju Air also offers 2 flights per week, while Air Busan follows with 2 flights per week.

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are between 1 and 2 direct flights that take off from Seoul and land in Chiang Mai, with an average flight time of 5h 43m. The most common departure time is 17:00 and most flights take off in the afternoon. Each week, there are 8 flights. The most frequent day of departure is Thursday, when 25% of all weekly flights depart. The fewest flights depart on a Monday.