AirHint found the following cheapest return flights from Phnom-penh (PNH) to Ho Chi Minh City (SGN) in September 2025 (see full year).

Return flights

29 Sep - 05 Oct	Air Cambodia	direct
26 Sep - 28 Sep	Vietnam Airlines	direct
12 Sep - 15 Sep	Qatar Airways	direct
18 Sep - 23 Sep	Qatar Airways	direct
20 Sep - 24 Sep	Air Cambodia
29 Sep - 01 Oct	Thai AirAsia
29 Sep - 06 Oct	Thai AirAsia
29 Sep - 07 Oct	Thai AirAsia
29 Sep - 03 Oct	Thai AirAsia
19 Sep - 28 Sep	Qatar Airways	direct
20 Sep - 24 Sep	Qatar Airways	direct
29 Sep - 30 Sep	Thai AirAsia
17 Sep - 01 Oct	Thai AirAsia
17 Sep - 06 Oct	Thai AirAsia
17 Sep - 07 Oct	Thai AirAsia
17 Sep - 03 Oct	Thai AirAsia
17 Sep - 30 Sep	Thai AirAsia
12 Sep - 01 Oct	Thai AirAsia
09 Sep - 14 Sep	Thai AirAsia
09 Sep - 09 Sep	Thai AirAsia

Also check the deals for one-way flights from Phnom-penh to Ho Chi Minh City 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 Phnom-penh to Ho Chi Minh City in September from 154€

Return flights