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

Return flights

15 Sep - 29 Sep	Ryanair
13 Sep - 25 Sep	Ryanair
10 Sep - 28 Sep	Wizz Air
13 Sep - 30 Sep	Ryanair
18 Sep - 02 Oct	Ryanair
11 Sep - 02 Oct	Ryanair
01 Sep - 14 Sep	Ryanair
12 Sep - 25 Sep	Ryanair
14 Sep - 28 Sep	Ryanair
27 Sep - 10 Oct	Ryanair
17 Sep - 28 Sep	Ryanair
01 Sep - 17 Sep	Ryanair
12 Sep - 03 Oct	Ryanair
01 Sep - 18 Sep	Ryanair
21 Sep - 05 Oct	Ryanair
22 Sep - 08 Oct	Ryanair
17 Sep - 03 Oct	Ryanair
20 Sep - 01 Oct	Wizz Air
21 Sep - 06 Oct	Ryanair
22 Sep - 06 Oct	Ryanair

Also check the deals for one-way flights from Warsaw to Seoul 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 Warsaw to Seoul in September from $790

Return flights