Cheapest return flights from Chiang Mai to Bangkok in September from $49

Best time to book flights for Chiang Mai (CNX) to Bangkok (BKK) flights at AirHint

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

Return flights

24 Sep - 07 Oct Thai Lion Air direct
15 Sep - 09 Oct Thai Lion Air direct
03 Sep - 10 Sep Thai Lion Air direct
01 Sep - 15 Sep Thai Lion Air direct
10 Sep - 28 Sep Thai AirAsia direct
10 Sep - 19 Sep Thai AirAsia direct
10 Sep - 15 Sep Thai AirAsia direct
10 Sep - 24 Sep Thai AirAsia direct
10 Sep - 20 Sep Thai AirAsia direct
04 Sep - 06 Sep Thai AirAsia direct
04 Sep - 07 Sep Thai AirAsia direct
04 Sep - 19 Sep Thai AirAsia direct
25 Sep - 05 Oct Thai AirAsia direct
25 Sep - 02 Oct Thai AirAsia direct
25 Sep - 09 Oct Thai AirAsia direct
17 Sep - 05 Oct Thai AirAsia direct
17 Sep - 02 Oct Thai AirAsia direct
30 Sep - 05 Oct Thai AirAsia direct
30 Sep - 02 Oct Thai AirAsia direct
30 Sep - 09 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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