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

Return flights

06 Sep - 21 Sep	Shenzhen Airlines
05 Sep - 08 Sep	Shenzhen Airlines
05 Sep - 07 Sep	Shenzhen Airlines
06 Sep - 21 Sep	China Eastern	direct
11 Sep - 01 Oct	AirAsia
17 Sep - 01 Oct	AirAsia
11 Sep - 27 Sep	AirAsia
08 Sep - 27 Sep	AirAsia
17 Sep - 27 Sep	AirAsia
05 Sep - 20 Sep	AirAsia
06 Sep - 27 Sep	AirAsia
20 Sep - 01 Oct	AirAsia
04 Sep - 20 Sep	AirAsia
17 Sep - 03 Oct	AirAsia
19 Sep - 01 Oct	AirAsia
14 Sep - 01 Oct	AirAsia
20 Sep - 03 Oct	AirAsia
12 Sep - 01 Oct	AirAsia
19 Sep - 03 Oct	AirAsia
30 Sep - 01 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.

Book a cheap hotel in Hanoi

Cheap car rent in Hanoi

Cheapest return flights from Kunming to Hanoi in September from $204

Return flights