AirHint found the following cheapest return flights from Warsaw (WMI) to Seoul (ICN) in April 2026 (see full year).

Return flights

17 Apr - 17 May	Ryanair
26 Apr - 18 May	Wizz Air
20 Apr - 10 May	Ryanair
05 Apr - 14 Apr	Ryanair
20 Apr - 07 May	Ryanair
15 Apr - 07 May	Ryanair
22 Apr - 07 May	Ryanair
18 Apr - 18 May	Ryanair
05 Apr - 20 Apr	Ryanair
15 Apr - 28 Apr	Ryanair
14 Apr - 27 Apr	Ryanair
22 Apr - 06 May	Ryanair
26 Apr - 10 May	Ryanair
27 Apr - 10 May	Ryanair
05 Apr - 21 Apr	Ryanair
13 Apr - 23 Apr	Ryanair
17 Apr - 26 Apr	Ryanair
08 Apr - 29 Apr	Ryanair
22 Apr - 30 Apr	Ryanair
18 Apr - 27 Apr	Ryanair

Also check the deals for one-way flights from Warsaw to Seoul 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 Warsaw to Seoul in April from 604€

Return flights