Cheapest return flights from Bangkok to Chiang Mai in September from 39€

AirHint found the following cheapest return flights from Bangkok (BKK) to Chiang Mai (CNX) in September 2026 (see full year).

Return flights

29 Sep - 07 Oct Thai VietJet Air direct
10 Sep - 16 Sep Nok Air direct
22 Sep - 27 Sep Nok Air direct
16 Sep - 05 Oct Nok Air direct
30 Sep - 06 Oct Nok Air direct
21 Sep - 28 Sep Nok Air direct
21 Sep - 26 Sep Nok Air direct
21 Sep - 25 Sep Nok Air direct
21 Sep - 24 Sep Nok Air direct
21 Sep - 29 Sep Nok Air direct
21 Sep - 21 Sep Nok Air direct
21 Sep - 23 Sep Nok Air direct
21 Sep - 27 Sep Nok Air direct
21 Sep - 05 Oct Nok Air direct
21 Sep - 03 Oct Nok Air direct
21 Sep - 01 Oct Nok Air direct
21 Sep - 04 Oct Nok Air direct
21 Sep - 07 Oct Nok Air direct
21 Sep - 02 Oct Nok Air direct
21 Sep - 06 Oct Nok Air direct

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

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