AirHint found the following cheapest return flights from Paris (PAR) to Phnom-penh (PNH) in September 2025 (see full year).

Return flights

16 Sep - 13 Oct	China Eastern
25 Sep - 13 Oct	Transavia France
15 Sep - 13 Oct	Air China
03 Sep - 22 Sep	Lufthansa
15 Sep - 24 Sep	SWISS
04 Sep - 15 Sep	Austrian Airlines
17 Sep - 02 Oct	Lufthansa
02 Sep - 18 Sep	Austrian Airlines
01 Sep - 29 Sep	Lufthansa
24 Sep - 04 Oct	Transavia France
14 Sep - 24 Sep	China Southern
02 Sep - 09 Sep	Austrian Airlines
09 Sep - 10 Oct	SWISS
15 Sep - 12 Oct	China Southern
15 Sep - 16 Oct	China Southern
15 Sep - 22 Sep	China Southern
16 Sep - 17 Oct	China Southern
28 Sep - 13 Oct	China Southern
08 Sep - 30 Sep	SWISS
15 Sep - 21 Sep	SWISS

Also check the deals for one-way flights from Paris to Phnom-penh 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 Paris to Phnom-penh in September from 601€

Return flights