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

Return flights

15 Jan - 19 Jan	Xiamen Airlines
12 Jan - 16 Jan	Thai AirAsia
17 Jan - 19 Jan	Thai AirAsia
18 Jan - 19 Jan	Thai AirAsia
12 Jan - 19 Jan	Thai AirAsia
16 Jan - 19 Jan	Thai AirAsia
17 Jan - 28 Jan	Thai AirAsia
18 Jan - 28 Jan	Thai AirAsia
12 Jan - 28 Jan	Thai AirAsia
16 Jan - 28 Jan	Thai AirAsia
31 Jan - 02 Feb	Thai AirAsia
17 Jan - 02 Feb	Thai AirAsia
18 Jan - 02 Feb	Thai AirAsia
12 Jan - 02 Feb	Thai AirAsia
16 Jan - 02 Feb	Thai AirAsia
30 Jan - 02 Feb	Thai AirAsia
23 Jan - 02 Feb	Thai AirAsia

Also check the deals for one-way flights from Phnom-penh to Seoul 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.

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Cheapest return flights from Phnom-penh to Seoul in January from $328

Return flights