Cheapest return flights from Seoul to Phnom-penh in September from $253

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 September 2025 (see full year).

Return flights

01 Sep - 17 Sep Vietnam Airlines
20 Sep - 23 Sep Vietnam Airlines
01 Sep - 17 Sep Korean Air direct
20 Sep - 23 Sep Korean Air direct
27 Sep - 04 Oct Korean Air direct
07 Sep - 06 Oct Asiana Airlines direct
01 Sep - 01 Sep Vietnam Airlines
28 Sep - 12 Oct Vietnam Airlines
30 Sep - 09 Oct Vietnam Airlines
30 Sep - 09 Oct Korean Air direct
28 Sep - 12 Oct Korean Air direct
07 Sep - 22 Sep Thai AirAsia X
28 Sep - 15 Oct Thai AirAsia X
07 Sep - 17 Sep Thai AirAsia X
01 Sep - 22 Sep AirAsia X
30 Sep - 15 Oct AirAsia X
28 Sep - 04 Oct Thai AirAsia X
28 Sep - 06 Oct Thai AirAsia X

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

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.

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