Flights by month
Seoul to Chiang Mai flights, month by month (2026)
A typical return fare from Seoul to Chiang Mai for each of 7 months, from departures we researched across a year. September is the cheapest, at around Rp2.947.050. Researched figures, not quotes: the partner shows what it costs today.
Typical return fare by month
Cheapest in Sep 2026, about Rp4.396.037
Oct 2026 costs about Rp2.553.963 more.
Researched fares: Rp7.136.701 to Rp8.545.840 per person over 2 checks, last on 2026-09-04. · Cheapest direct researched: Jeju Air at Rp7.503.910.
Estimates from Google Flights, captured August 2026, for a one week return from Jakarta. Not a quote. What you pay depends on when you book. Departures from Sep 2026 to Mar 2027. How we work this out
Flying to Chiang Mai
- Typical journey time
- 9h 25m
- Stops
- 1, usually via HKG, BKK, DMK
- Usually flown by
- Hong Kong Express, Thai Vietjet Air, THAI, Thai AirAsia
- Carbon, one way
- 335 kg CO₂
Common questions
When is the cheapest month to fly from Seoul to Chiang Mai?
From what we captured across a year of departures, September is the cheapest month to fly Seoul to Chiang Mai, at around Rp2.947.050 return. That is a researched figure from a dated snapshot, not a live quote, so check the price with a partner before you book.
When is the most expensive month to fly from Seoul to Chiang Mai?
October is the dearest month we captured for Seoul to Chiang Mai, at around Rp3.492.295 return, about Rp545.245 more than the cheapest month.
How long is the flight from Seoul to Chiang Mai?
About 9.4 hours with 1 stop, via Hong Kong, Bangkok, Bangkok, from the itineraries we captured for Seoul to Chiang Mai.
Which airlines fly from Seoul to Chiang Mai?
The fares we captured for Seoul to Chiang Mai were on Hong Kong Express, Thai Vietjet Air, THAI, Thai AirAsia, among others.