Cheap flights from Seoul to Chiang Mai
from 81 US$
From 212 USD — compare hundreds of airlines
The cheapest month is usually 2026-09 · 81 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Seoul to Chiang Mai, a about 3,427 km route (around 4h 47m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Korean Air operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Seoul to Chiang Mai?
It's usually 2026-09, from 81 USD. Use the price calendar to compare other dates.
How long is the flight from Seoul to Chiang Mai?
A nonstop flight takes about 4h 47m and covers around 3,427 km. Connecting itineraries take longer.
Are there direct flights from Seoul to Chiang Mai?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Seoul to Chiang Mai?
Korean Air operate this route, among others. Compare them all in the results.
When should I book Seoul–Chiang Mai flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Seoul → Chiang Mai · Live fares from 100+ sites — free, with no hidden fees.