Cheapest return flights from Busan to Chiang Mai in September from $248

AirHint found the following cheapest return flights from Busan (PUS) to Chiang Mai (CNX) in September 2025 (see full year).

Return flights

20 Sep - 24 Sep Jeju Air
18 Sep - 25 Sep Jeju Air
19 Sep - 26 Sep VietJet Air
16 Sep - 22 Sep Jeju Air
25 Sep - 28 Sep Jeju Air
21 Sep - 28 Sep Eastar Jet direct
21 Sep - 03 Oct Eastar Jet direct
21 Sep - 05 Oct Eastar Jet direct
21 Sep - 04 Oct Eastar Jet direct
21 Sep - 25 Sep Eastar Jet direct
18 Sep - 28 Sep Eastar Jet direct
18 Sep - 03 Oct Eastar Jet direct
18 Sep - 05 Oct Eastar Jet direct
18 Sep - 04 Oct Eastar Jet direct
16 Sep - 18 Sep Eastar Jet
19 Sep - 23 Sep VietJet Air
23 Sep - 21 Oct HK Express
21 Sep - 06 Oct Eastar Jet direct
21 Sep - 02 Oct Eastar Jet direct
25 Sep - 03 Oct Eastar Jet direct

Also check the deals for one-way flights from Busan to Chiang Mai in September.

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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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