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

Return flights

20 Sep - 10 Oct	Flair Airlines
23 Sep - 23 Oct	China Eastern
25 Sep - 23 Oct	Flair Airlines
01 Sep - 08 Sep	EVA Air
08 Sep - 22 Sep	EVA Air
06 Sep - 20 Sep	EVA Air
30 Sep - 15 Oct	EVA Air
30 Sep - 21 Oct	EVA Air
24 Sep - 24 Oct	WestJet
17 Sep - 30 Sep	EVA Air
04 Sep - 13 Sep	EVA Air
10 Sep - 17 Sep	EVA Air
03 Sep - 16 Sep	EVA Air
19 Sep - 04 Oct	EVA Air
11 Sep - 21 Sep	EVA Air
12 Sep - 23 Sep	EVA Air
26 Sep - 15 Oct	EVA Air
19 Sep - 26 Sep	EVA Air
25 Sep - 10 Oct	EVA Air
04 Sep - 03 Oct	EVA Air

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 $864

Return flights