Cheapest return flights from Seoul to Phnom-penh in December from $235

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

Return flights

06 Dec - 14 Dec Vietnam Airlines
07 Dec - 12 Dec Vietnam Airlines
01 Dec - 05 Dec Vietnam Airlines
08 Dec - 12 Dec Vietnam Airlines
06 Dec - 10 Dec Asiana Airlines direct
05 Dec - 09 Dec Asiana Airlines direct
03 Dec - 10 Dec Asiana Airlines direct
04 Dec - 11 Dec Asiana Airlines direct
24 Dec - 27 Dec Philippine Airlines
02 Dec - 09 Dec China Southern
25 Dec - 01 Jan Vietnam Airlines
30 Dec - 02 Jan China Airlines
30 Dec - 02 Jan Asiana Airlines direct
22 Dec - 12 Jan AirAsia X
22 Dec - 10 Jan AirAsia X
25 Dec - 12 Jan AirAsia X
27 Dec - 12 Jan AirAsia X
22 Dec - 06 Jan AirAsia X
25 Dec - 10 Jan AirAsia X
27 Dec - 10 Jan AirAsia X

Also check the deals for one-way flights from Seoul 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

Feel free to contact us with any feedback or request another flight research.