Chiang Mai Seoul flights

Chiang Mai (CNX)Seoul (GMP, ICN)
from€238

Last observed price · Last checked: 3 Sep 2026 · Price may change

Short answer

Korean Air flies Chiang Mai to Seoul non-stop. The lowest fare our own searches returned is €238, seen on 3 Sep 2026. The average across the fares we caught is €329. October 2026 is the cheapest month in our observations, at €238. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.

Selected search
Last checked: 3 Sep 2026 · Price may change
€238
Thu 8 Oct 2026 → Thu 15 Oct 2026
BXNon-stop7 nights
Cheapest
Last checked: 3 Sep 2026 · Price may change
€238 lowest€329 average5h 25m fastest
Options found on this date

Tickets found in the last 7 days

The lowest fares our queries caught, cheapest first.

Starting prices by month

The lowest fare our queries observed in each month. Open a month to see its days; click a day with no price and we will search it for you.

Observed priceLowest monthno price observedLast checked: 3 Sep 2026
Chiang Mai → SeoulThu 8 Oct 2026 · €238

Round trip

Route facts

Direct flights
Non-stop
CNX - GMP, 5h 25m
Airlines seen
1
Korean Air
Cheapest month
October 2026
€238
Average observed
€329
Typical duration
5h 25m
3426 km
Alternative airports
1
ICN

Frequently asked

Are there direct flights from Chiang Mai to Seoul?+

Yes. We have seen non-stop flights on this route, flown by Korean Air.

How much is a flight from Chiang Mai to Seoul?+

The lowest fare we have observed is €238, found on 3 Sep 2026. Prices move, so read it as a floor rather than a quote.

Which airlines fly from Chiang Mai to Seoul?+

These are the carriers we have seen on the route: Korean Air.

When is the cheapest month to fly from Chiang Mai to Seoul?+

In our observations October 2026 is the cheapest month so far, at €238.

Similar routes

More routes from Chiang Mai

More routes to Seoul

Last checked: 3 Sep 2026