Cheapest return ICN–CNX flights, October

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

Return flights

18 Oct - 21 Oct Malaysia Airlines
11 Oct - 15 Oct Malaysia Airlines
02 Oct - 13 Oct Malaysia Airlines
25 Oct - 27 Oct Malaysia Airlines
13 Oct - 27 Oct Malaysia Airlines
25 Oct - 03 Nov Malaysia Airlines
13 Oct - 21 Oct Malaysia Airlines
17 Oct - 27 Oct Malaysia Airlines
02 Oct - 06 Oct Malaysia Airlines
19 Oct - 27 Oct Malaysia Airlines
17 Oct - 20 Oct Malaysia Airlines
25 Oct - 02 Nov Malaysia Airlines
26 Oct - 04 Nov Malaysia Airlines
24 Oct - 19 Nov Malaysia Airlines
10 Oct - 07 Nov Malaysia Airlines
21 Oct - 18 Nov Malaysia Airlines
24 Oct - 05 Nov Eastar Jet
24 Oct - 02 Nov Eastar Jet
25 Oct - 10 Nov Malaysia Airlines
22 Oct - 12 Nov Malaysia Airlines

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

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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.

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