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

Return flights

10 Sep - 25 Sep	AirAsia
11 Sep - 25 Sep	AirAsia
07 Sep - 25 Sep	AirAsia
10 Sep - 26 Sep	AirAsia
11 Sep - 26 Sep	AirAsia
07 Sep - 26 Sep	AirAsia
10 Sep - 22 Sep	AirAsia
11 Sep - 22 Sep	AirAsia
07 Sep - 22 Sep	AirAsia
07 Sep - 09 Sep	AirAsia
27 Sep - 10 Oct	AirAsia
27 Sep - 09 Oct	AirAsia
28 Sep - 10 Oct	AirAsia
28 Sep - 09 Oct	AirAsia
29 Sep - 10 Oct	AirAsia
29 Sep - 19 Oct	AirAsia
29 Sep - 09 Oct	AirAsia
30 Sep - 10 Oct	AirAsia
28 Sep - 19 Oct	AirAsia
30 Sep - 19 Oct	AirAsia

Also check the deals for one-way flights from Kunming to Hanoi 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.

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Cheapest return flights from Kunming to Hanoi in September from 364€

Return flights