Cheapest return flights from Seoul to Phnom-penh in December from $276

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
07 Dec - 13 Dec Vietnam Airlines
07 Dec - 13 Dec Korean Air direct
15 Dec - 19 Dec Asiana Airlines direct
24 Dec - 07 Jan Asiana Airlines direct
23 Dec - 06 Jan Asiana Airlines direct
25 Dec - 07 Jan Asiana Airlines direct
25 Dec - 08 Jan Asiana Airlines direct
26 Dec - 28 Dec Asiana Airlines direct
23 Dec - 07 Jan Thai AirAsia X
26 Dec - 07 Jan Thai AirAsia X
25 Dec - 14 Jan Thai AirAsia X
26 Dec - 14 Jan Thai AirAsia X
24 Dec - 06 Jan Thai AirAsia X
24 Dec - 08 Jan Thai AirAsia X
07 Dec - 19 Dec Thai AirAsia X
24 Dec - 29 Dec Thai AirAsia X
23 Dec - 29 Dec Thai AirAsia X
25 Dec - 29 Dec Thai AirAsia X
15 Dec - 29 Dec Thai 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