AirHint found the following cheapest return flights from Ho Chi Minh City (SGN) to Kathmandu (KTM) in September 2025 (see full year).

Return flights

18 Sep - 22 Sep	VietJet Air
19 Sep - 22 Sep	VietJet Air
19 Sep - 26 Sep	Thai AirAsia
15 Sep - 28 Sep	Thai AirAsia
23 Sep - 30 Sep	Thai AirAsia
19 Sep - 30 Sep	Thai AirAsia
18 Sep - 25 Sep	Thai AirAsia
19 Sep - 05 Oct	Thai AirAsia
28 Sep - 30 Oct	China Southern

Also check the deals for one-way flights from Ho Chi Minh City to Kathmandu 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 Ho Chi Minh City to Kathmandu in September from 386€

Return flights