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

Return flights

31 Oct - 09 Nov	Vietnam Airlines
01 Oct - 15 Oct	Thai AirAsia
17 Oct - 21 Oct	China Southern
17 Oct - 25 Oct	China Southern
28 Oct - 08 Nov	China Southern
30 Oct - 05 Nov	China Southern
01 Oct - 11 Oct	Thai AirAsia
01 Oct - 09 Oct	Thai AirAsia
24 Oct - 14 Nov	Thai AirAsia
24 Oct - 01 Nov	Thai AirAsia
23 Oct - 01 Nov	Thai AirAsia
01 Oct - 06 Oct	Thai AirAsia
19 Oct - 24 Oct	Thai AirAsia
21 Oct - 24 Oct	Thai AirAsia
24 Oct - 31 Oct	Thai AirAsia
23 Oct - 31 Oct	Thai AirAsia
19 Oct - 01 Nov	Thai AirAsia
21 Oct - 01 Nov	Thai AirAsia
24 Oct - 09 Nov	Thai AirAsia
23 Oct - 09 Nov	Thai AirAsia

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

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 Seoul

Cheap car rent in Seoul

Cheapest return flights from Phnom-penh to Seoul in October from 272€

Return flights