Cheapest return flights from Chiang Mai to Hanoi in September from $137

Best time to book flights for Chiang Mai (CNX) to Hanoi (HAN) flights at AirHint

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

Return flights

14 Sep - 24 Sep Thai AirAsia direct
14 Sep - 01 Oct Thai AirAsia direct
29 Sep - 01 Oct Thai AirAsia direct
14 Sep - 29 Sep Thai AirAsia direct
07 Sep - 10 Sep Thai AirAsia direct
14 Sep - 15 Sep Thai AirAsia direct
07 Sep - 24 Sep Thai AirAsia direct
21 Sep - 24 Sep Thai AirAsia direct
17 Sep - 24 Sep Thai AirAsia direct
07 Sep - 14 Sep Thai AirAsia direct
21 Sep - 01 Oct Thai AirAsia direct
15 Sep - 24 Sep Thai AirAsia direct
24 Sep - 01 Oct Thai AirAsia direct
17 Sep - 01 Oct Thai AirAsia direct
28 Sep - 01 Oct Thai AirAsia direct
14 Sep - 03 Oct Thai AirAsia direct
15 Sep - 01 Oct Thai AirAsia direct
24 Sep - 29 Sep Thai AirAsia direct
29 Sep - 03 Oct Thai AirAsia direct
12 Sep - 01 Oct Thai AirAsia direct

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