Cheapest return flights from Chiang Mai to Bangkok in September from 41€

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

Return flights

24 Sep - 30 Sep Thai Lion Air direct
10 Sep - 30 Sep Thai Lion Air direct
04 Sep - 08 Oct Thai Lion Air direct
26 Sep - 27 Sep Thai Lion Air direct
24 Sep - 29 Sep Thai Lion Air direct
27 Sep - 29 Sep Thai Lion Air direct
11 Sep - 22 Sep Thai VietJet Air direct
08 Sep - 14 Sep Thai VietJet Air direct
11 Sep - 14 Sep Thai VietJet Air direct
08 Sep - 11 Sep Thai Lion Air direct
13 Sep - 15 Sep Nok Air direct
29 Sep - 19 Oct Thai Lion Air direct
28 Sep - 05 Oct Thai VietJet Air direct
28 Sep - 07 Oct Thai VietJet Air direct
13 Sep - 20 Oct Thai AirAsia direct
25 Sep - 08 Oct Thai AirAsia direct
25 Sep - 06 Oct Thai AirAsia direct
25 Sep - 07 Oct Thai AirAsia direct
25 Sep - 01 Oct Thai AirAsia direct
19 Sep - 08 Oct Thai AirAsia direct

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