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

Return flights

06 Apr - 14 Apr	Lufthansa
01 Apr - 08 Apr	Lufthansa
02 Apr - 09 Apr	Lufthansa
01 Apr - 09 Apr	Lufthansa
10 Apr - 17 Apr	Air China
01 Apr - 07 Apr	Lufthansa
06 Apr - 09 Apr	Lufthansa
01 Apr - 29 Apr	Lufthansa
04 Apr - 18 Apr	SWISS
13 Apr - 20 Apr	Lufthansa
28 Apr - 05 May	Finnair
23 Apr - 07 May	Finnair
24 Apr - 08 May	Air China
25 Apr - 02 May	Lufthansa
25 Apr - 03 May	Finnair
24 Apr - 01 May	Finnair
25 Apr - 04 May	Finnair
28 Apr - 05 May	LOT	direct
30 Apr - 05 May	Finnair
25 Apr - 04 May	LOT	direct

Also check the deals for one-way flights from Seoul to Warsaw 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 Warsaw in April from $582

Return flights