Cheapest return flights from Seoul to Phnom-penh in December from $250

Best time to book flights for Seoul (ICN) to Phnom-penh (PNH) flights at AirHint

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

Return flights

15 Dec - 19 Dec Vietnam Airlines
16 Dec - 17 Jan Vietnam Airlines
11 Dec - 18 Dec Vietnam Airlines
10 Dec - 15 Dec Vietnam Airlines
01 Dec - 31 Dec Vietnam Airlines
06 Dec - 21 Dec Vietnam Airlines
15 Dec - 21 Dec Vietnam Airlines
09 Dec - 15 Dec Vietnam Airlines
06 Dec - 28 Dec Vietnam Airlines
11 Dec - 15 Dec Vietnam Airlines
14 Dec - 25 Dec Vietnam Airlines
22 Dec - 09 Jan Xiamen Airlines
16 Dec - 17 Jan Asiana Airlines direct
31 Dec - 05 Jan Xiamen Airlines
29 Dec - 16 Jan Philippine Airlines
18 Dec - 14 Jan China Southern
22 Dec - 09 Jan Asiana Airlines direct
31 Dec - 05 Jan Asiana Airlines direct
31 Dec - 17 Jan Thai AirAsia X
16 Dec - 05 Jan Thai AirAsia X

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

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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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