AirHint found the following cheapest return flights from Bangkok (DMK) to Chiang Mai (CNX)
in September 2025 (see full year ).
Return flights
03 Sep
- 07 Sep
Thai AirAsia
$ 49
direct
20 Sep
- 22 Sep
Thai AirAsia
$ 50
direct
22 Sep
- 25 Sep
Thai Lion Air
$ 52
direct
08 Sep
- 24 Sep
Thai Lion Air
$ 52
direct
24 Sep
- 26 Sep
Thai AirAsia
$ 53
direct
23 Sep
- 26 Sep
Thai AirAsia
$ 53
direct
05 Sep
- 12 Sep
Thai Lion Air
$ 53
direct
20 Sep
- 24 Sep
Nok Air
$ 53
direct
25 Sep
- 26 Sep
Thai AirAsia
$ 53
direct
18 Sep
- 29 Sep
Nok Air
$ 53
direct
21 Sep
- 01 Oct
Thai Lion Air
$ 54
direct
30 Sep
- 09 Oct
Thai AirAsia
$ 54
direct
17 Sep
- 01 Oct
Thai AirAsia
$ 55
direct
24 Sep
- 01 Oct
Thai AirAsia
$ 55
direct
24 Sep
- 15 Oct
Thai AirAsia
$ 55
direct
24 Sep
- 07 Oct
Thai AirAsia
$ 55
direct
24 Sep
- 09 Oct
Thai AirAsia
$ 55
direct
06 Sep
- 02 Oct
Thai Lion Air
$ 55
direct
22 Sep
- 01 Oct
Thai AirAsia
$ 55
direct
22 Sep
- 07 Oct
Thai AirAsia
$ 55
direct
Also check the deals for one-way flights from Bangkok to Chiang Mai in September .
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.