starting at $139
starting at $139
starting at $168
starting at $177
starting at $177
starting at $192
starting at $199
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Seoul to Chiang Mai. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
The minimum one-way ticket price from Seoul to Chiang Mai is $140 (October 2026), while the maximum is $289 (September 2027). On average, a ticket costs $192–$193.
A non-stop flight is the most convenient and comfortable way to fly from Seoul to Chiang Mai, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Tickets from Seoul to Chiang Mai are getting more expensive each month. From October 2026 to September 2027, the increase reached 107%, with prices now at $289. It's unlikely to get cheaper than the current level.
The most significant price increase was from October 2026 to September 2027 — up 107%. The best time to fly is October 2026–November 2026, when the average price is $144. In December 2026–September 2027, tickets cost around $241.
Given the rising prices, it's best not to delay your purchase. Flying in October 2026–November 2026 can save you up to 40% compared to the most expensive months.
Price variation across months on this route is 30.8%. Your choice of departure month significantly affects the total flight cost.
The Seoul — Chiang Mai route is served by a wide range of airlines: 7 in total, including Jeju Air, Air Busan, Jin Air, Eastar Jet, T'way Air, China Eastern Airlines, and VietjetAir. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $139. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.
starting at $139
starting at $139
starting at $168
starting at $177
starting at $177
starting at $192
starting at $199
Seoul — Chiang Mai
10/30/2026
Departure
Direct flight
7C2515
starting at $139
Seoul — Chiang Mai
11/07/2026
Departure
Direct flight
BX9029
starting at $139
Seoul — Chiang Mai
11/04/2026
Departure
Direct flight
BX9029
starting at $148
Seoul — Chiang Mai
11/15/2026
Departure
Direct flight
BX9029
starting at $154
Seoul — Chiang Mai
11/02/2026
Departure
Direct flight
LJ27
starting at $168
Seoul — Chiang Mai
11/16/2026
Departure
Direct flight
LJ27
starting at $175
Seoul — Chiang Mai
12/19/2026
Departure
Direct flight
BX9029
starting at $178
Seoul — Chiang Mai
12/16/2026
Departure
Direct flight
7C2515
starting at $179
Seoul — Chiang Mai
12/17/2026
Departure
Direct flight
BX9029
starting at $191
Seoul — Chiang Mai
11/08/2026
Departure
Direct flight
7C2515
starting at $194
The cheapest flight ticket from Seoul to Chiang Mai according to data for the last 48 hours costs $139
Often the best time to buy tickets from Seoul to Chiang Mai is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Seoul to Chiang Mai can be found flying in these months: October, November, December.
The fastest flights from Seoul to Chiang Mai start from 5 hours 55 minutes in the air.
The following airlines operate direct flights on the route Seoul — Chiang Mai: Jeju Air, Air Busan, Jin Air
The cheapest one-way flight from Seoul to Chiang Mai departs on 10/30/2026, is operated by Jeju Air and costs $139
The cheapest roundtrip flight from Seoul to Chiang Mai departs on 10/25/2026, is operated by Eastar Jet and costs $313
Fastest flight from Seoul to Chiang Mai takes 5h 55m
All airports
There are direct flights on this route 6 days a week: Su, Mo, We, Th, Fr, and Sa
The distance between Seoul and Chiang Mai is 3425km (2124 miles). The average flight duration is 5h 55m. There are 24 direct flights from Seoul to Chiang Mai. The time difference between Seoul and Chiang Mai is 2h. Flights from Seoul begin at 5:20 PM. The latest flight from Seoul departs at 7:55 PM
We couldn't find any special offers for flights from Seoul to Chiang Mai
Eastar Jet
Su, We, Th, and Sa
starting at $100
Air Busan
Su, We, and Th
starting at $115
The airlines on the Seoul — Chiang Mai route each fly on specific days: Eastar Jet flies on Sunday, Wednesday, Thursday, and Saturday. Air Busan only flies on Sunday, Wednesday, and Thursday.