Cheapest return flights from Chiang Mai to Seoul in December from $465

AirHint found the following cheapest return flights from Chiang Mai (CNX) to Seoul (ICN) in December 2026 (see full year).

Return flights

17 Dec - 23 Dec China Airlines
15 Dec - 22 Dec China Airlines
23 Dec - 28 Dec China Airlines
17 Dec - 23 Dec Korean Air direct
15 Dec - 22 Dec Korean Air direct
23 Dec - 28 Dec Korean Air direct

Also check the deals for one-way flights from Chiang Mai to Seoul in December.

Powered by

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Feel free to contact us with any feedback or request another flight research.