Cheapest return flights from Siem-reap to Phnom-penh in December from $141

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

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

Return flights

09 Dec - 15 Dec AirAsia Cambodia direct
09 Dec - 20 Dec AirAsia Cambodia direct
09 Dec - 18 Dec AirAsia Cambodia direct
09 Dec - 10 Dec AirAsia Cambodia direct
09 Dec - 14 Dec AirAsia Cambodia direct
12 Dec - 15 Dec AirAsia Cambodia direct
12 Dec - 20 Dec AirAsia Cambodia direct
12 Dec - 18 Dec AirAsia Cambodia direct
12 Dec - 14 Dec AirAsia Cambodia direct
06 Dec - 15 Dec AirAsia Cambodia direct
18 Dec - 08 Jan AirAsia Cambodia direct
24 Dec - 14 Jan AirAsia Cambodia direct
19 Dec - 08 Jan AirAsia Cambodia direct
29 Dec - 14 Jan AirAsia Cambodia direct
31 Dec - 14 Jan AirAsia Cambodia direct
24 Dec - 08 Jan AirAsia Cambodia direct
24 Dec - 11 Jan AirAsia Cambodia direct
12 Dec - 01 Jan AirAsia Cambodia direct
12 Dec - 02 Jan AirAsia Cambodia direct
18 Dec - 01 Jan AirAsia Cambodia direct

Also check the deals for one-way flights from Siem-reap to Phnom-penh in December.

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.

Book a cheap hotel in Phnom-penh

Cheap car rent in Phnom-penh