AirHint found the following cheapest one-way flights from Seoul (ICN) to Phnom-penh (PNH) in January 2026 (see full year).

One-Way flights

12 Jan	China Southern
13 Jan	China Southern
07 Jan	China Southern
03 Jan	China Southern
28 Jan	AirAsia X
10 Jan	AirAsia X
21 Jan	Asiana Airlines	direct
12 Jan	Asiana Airlines	direct
13 Jan	Asiana Airlines	direct
07 Jan	Asiana Airlines	direct

Also check the deals for return flights from Seoul to Phnom-penh in January.

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 one-way flights from Seoul to Phnom-penh in January from $188

One-Way flights