Cheapest return flights from Seoul to Chiang Mai in June from $236

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 June 2025 (see full year).

Return flights

15 Jun - 19 Jun Jeju Air direct
16 Jun - 20 Jun Jeju Air direct
16 Jun - 19 Jun Jeju Air direct
23 Jun - 26 Jun Jeju Air direct
09 Jun - 16 Jun Jeju Air direct
30 Jun - 04 Jul Jeju Air direct
29 Jun - 04 Jul Jeju Air direct
29 Jun - 06 Jul Jeju Air direct
30 Jun - 11 Jul Jeju Air direct
30 Jun - 03 Jul Jeju Air direct
29 Jun - 19 Jul Jeju Air direct
15 Jun - 22 Jun Eastar Jet direct
15 Jun - 30 Jun Eastar Jet direct
22 Jun - 23 Jun Eastar Jet direct
22 Jun - 30 Jun Eastar Jet direct
29 Jun - 30 Jun Eastar Jet direct
15 Jun - 03 Jul Eastar Jet direct
22 Jun - 03 Jul Eastar Jet direct
23 Jun - 03 Jul Jin Air direct
26 Jun - 10 Jul Jeju Air direct

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

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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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