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

Return flights

02 Sep - 15 Sep	Lufthansa
15 Sep - 21 Sep	Lufthansa
01 Sep - 16 Sep	Lufthansa
01 Sep - 30 Sep	Emirates
01 Sep - 16 Sep	LOT	direct
17 Sep - 27 Sep	Emirates
15 Sep - 21 Sep	LOT	direct
26 Sep - 06 Oct	Finnair
02 Sep - 15 Sep	LOT	direct
26 Sep - 05 Oct	Finnair
22 Sep - 27 Sep	KLM
26 Sep - 05 Oct	LOT	direct
26 Sep - 06 Oct	LOT	direct
01 Sep - 30 Sep	LOT	direct
25 Sep - 03 Oct	Air France
28 Sep - 07 Oct	Scandinavian Airlines
30 Sep - 07 Oct	Scandinavian Airlines

Also check the deals for one-way flights from Seoul to Warsaw in September.

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 September from 507€

Return flights