AirHint found the following cheapest return flights from Seoul (ICN) to Phnom-penh (PNH) in April 2026 (see full year).

Return flights

23 Apr - 25 Apr	Korean Air	direct
01 Apr - 30 Apr	Korean Air	direct
04 Apr - 30 Apr	Korean Air	direct
07 Apr - 11 Apr	Asiana Airlines	direct
14 Apr - 25 Apr	AirAsia X
13 Apr - 25 Apr	AirAsia X
18 Apr - 25 Apr	AirAsia X
07 Apr - 25 Apr	AirAsia X
23 Apr - 30 Apr	AirAsia X
14 Apr - 30 Apr	AirAsia X

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

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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Cheapest return flights from Seoul to Phnom-penh in April from 232€

Return flights