Cheapest return flights from Bangkok to Chiang Mai in September from 45€

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

Return flights

10 Sep - 25 Sep Thai Lion Air direct
27 Sep - 30 Sep Thai AirAsia direct
10 Sep - 11 Sep Thai Lion Air direct
29 Sep - 30 Sep Nok Air direct
22 Sep - 26 Sep Nok Air direct
11 Sep - 18 Sep Thai Lion Air direct
24 Sep - 30 Sep Nok Air direct
10 Sep - 20 Sep Nok Air direct
16 Sep - 18 Sep Thai Lion Air direct
10 Sep - 12 Sep Thai Lion Air direct
25 Sep - 01 Oct Thai Lion Air direct
29 Sep - 02 Oct Thai Lion Air direct
29 Sep - 01 Oct Thai Lion Air direct
19 Sep - 04 Oct Nok Air direct
24 Sep - 01 Oct Thai Lion Air direct
19 Sep - 03 Oct Nok Air direct
28 Sep - 01 Oct Thai Lion Air direct
30 Sep - 04 Oct Thai AirAsia direct
30 Sep - 06 Oct Nok Air direct
22 Sep - 01 Oct Thai AirAsia direct

Also check the deals for one-way flights from Bangkok 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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