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

Return flights

31 Oct - 05 Nov	Air China
29 Oct - 05 Nov	Air China
02 Oct - 15 Oct	Thai AirAsia
02 Oct - 13 Oct	Thai AirAsia
02 Oct - 10 Oct	Thai AirAsia
18 Oct - 25 Oct	Cathay Pacific
02 Oct - 12 Oct	Thai AirAsia
19 Oct - 28 Oct	Thai AirAsia
05 Oct - 15 Oct	Thai AirAsia
05 Oct - 13 Oct	Thai AirAsia
05 Oct - 10 Oct	Thai AirAsia
02 Oct - 17 Oct	Thai AirAsia
24 Oct - 14 Nov	Thai AirAsia
24 Oct - 11 Nov	Thai AirAsia
24 Oct - 13 Nov	Thai AirAsia
19 Oct - 01 Nov	Thai AirAsia
19 Oct - 03 Nov	Thai AirAsia
25 Oct - 14 Nov	Thai AirAsia
19 Oct - 08 Nov	Thai AirAsia
24 Oct - 01 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 286€

Return flights