Cheapest one-way flights from Siem-reap to Phnom-penh in September from $57

Best time to book flights for Siem-reap (REP) to Phnom-penh (PNH) flights at AirHint

AirHint found the following cheapest one-way flights from Siem-reap (REP) to Phnom-penh (PNH) in September 2025 (see full year).

One-Way flights

07 Sep AirAsia Cambodia direct
10 Sep AirAsia Cambodia direct
04 Sep AirAsia Cambodia direct
03 Sep AirAsia Cambodia direct
08 Sep AirAsia Cambodia direct
17 Sep AirAsia Cambodia direct
06 Sep AirAsia Cambodia direct
28 Sep AirAsia Cambodia direct
13 Sep AirAsia Cambodia direct
21 Sep AirAsia Cambodia direct

Also check the deals for return flights from Siem-reap to Phnom-penh in September.

Skyscanner

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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