Cheapest return flights from Seoul to Chiang Mai in May from 198€

Best time to book flights for Seoul (ICN) to Chiang Mai (CNX) flights at AirHint

AirHint found the following cheapest return flights from Seoul (ICN) to Chiang Mai (CNX) in May 2025 (see full year).

Return flights

25 May - 12 Jun Jeju Air direct
25 May - 15 Jun Jeju Air direct
21 May - 28 May Jeju Air direct
25 May - 28 May Jeju Air direct
25 May - 01 Jun Jeju Air direct
11 May - 22 May Jeju Air direct
25 May - 31 May Jeju Air direct
11 May - 15 May Jeju Air direct
10 May - 15 May Jeju Air direct
14 May - 17 May Vietnam Airlines
26 May - 30 May Vietnam Airlines
10 May - 14 May Eastar Jet
18 May - 25 May Eastar Jet
31 May - 05 Jun Jeju Air direct
17 May - 05 Jun AirAsia X
17 May - 06 Jun AirAsia X
31 May - 04 Jun Jeju Air direct
31 May - 18 Jun Jeju Air direct
29 May - 05 Jun Jeju Air direct
13 May - 02 Jun AirAsia X

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

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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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