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

Return flights

22 Sep - 21 Oct	Lufthansa
12 Sep - 22 Sep	China Southern
09 Sep - 16 Sep	China Southern
21 Sep - 03 Oct	China Southern
01 Sep - 14 Sep	IndiGo
14 Sep - 05 Oct	Xiamen Airlines
04 Sep - 17 Sep	China Southern
28 Sep - 11 Oct	Xiamen Airlines
01 Sep - 15 Sep	IndiGo
22 Sep - 06 Oct	IndiGo
16 Sep - 27 Sep	China Southern
17 Sep - 27 Sep	China Southern
18 Sep - 28 Sep	China Southern
16 Sep - 01 Oct	China Southern
01 Sep - 16 Sep	Etihad Airways
09 Sep - 30 Sep	Etihad Airways
25 Sep - 18 Oct	China Southern
27 Sep - 11 Oct	China Southern

Also check the deals for one-way flights from Amsterdam 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.

Book a cheap hotel in Phnom-penh

Cheap car rent in Phnom-penh

Cheapest return flights from Amsterdam to Phnom-penh in September from $757

Return flights