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

Return flights

24 Sep - 05 Oct	Flair Airlines
23 Sep - 15 Oct	WestJet
12 Sep - 28 Sep	Flair Airlines
26 Sep - 12 Oct	WestJet
17 Sep - 26 Sep	Flair Airlines
10 Sep - 04 Oct	Flair Airlines
10 Sep - 15 Sep	Flair Airlines
08 Sep - 15 Sep	Flair Airlines
24 Sep - 01 Oct	WestJet
24 Sep - 02 Oct	WestJet
25 Sep - 02 Oct	WestJet
11 Sep - 21 Sep	Flair Airlines
02 Sep - 24 Sep	Flair Airlines
08 Sep - 14 Sep	WestJet
20 Sep - 04 Oct	Flair Airlines
06 Sep - 11 Sep	WestJet
28 Sep - 11 Oct	WestJet
20 Sep - 27 Sep	WestJet
17 Sep - 10 Oct	WestJet
01 Sep - 15 Sep	Flair Airlines

Also check the deals for one-way flights from Toronto 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 Toronto to Seoul in September from 953€

Return flights