Cheapest return flights from Seoul to Chiang Mai in July from $170

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 July 2025 (see full year).

Return flights

16 Jul - 23 Jul AirAsia X
13 Jul - 16 Jul Jeju Air direct
15 Jul - 18 Jul Jeju Air direct
13 Jul - 18 Jul Jeju Air direct
13 Jul - 17 Jul Jeju Air direct
08 Jul - 16 Jul Jeju Air direct
08 Jul - 13 Jul Jeju Air direct
08 Jul - 18 Jul Jeju Air direct
07 Jul - 16 Jul Jeju Air direct
03 Jul - 10 Jul Jeju Air direct
17 Jul - 23 Aug Jeju Air direct
14 Jul - 21 Aug Jeju Air direct
21 Jul - 21 Aug Jeju Air direct
15 Jul - 14 Aug Jeju Air direct
13 Jul - 10 Aug Jeju Air direct
09 Jul - 20 Aug Jeju Air direct
22 Jul - 26 Aug Singapore Airlines
15 Jul - 09 Aug Jeju Air
21 Jul - 31 Aug Jeju Air direct
17 Jul - 13 Aug Jeju Air direct

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

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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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