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

Return flights

01 Apr - 30 Apr	WestJet
16 Apr - 23 Apr	WestJet
01 Apr - 25 Apr	WestJet
29 Apr - 18 May	WestJet
01 Apr - 01 May	WestJet
19 Apr - 02 May	WestJet
28 Apr - 31 May	WestJet
03 Apr - 18 Apr	WestJet
04 Apr - 02 May	WestJet
04 Apr - 09 May	WestJet
25 Apr - 26 May	WestJet
30 Apr - 07 May	WestJet
02 Apr - 03 May	WestJet
30 Apr - 13 May	KLM
01 Apr - 22 Apr	Finnair
03 Apr - 10 Apr	EVA Air
01 Apr - 22 Apr	Korean Air	direct
01 Apr - 30 Apr	Korean Air	direct
01 Apr - 18 Apr	Korean Air	direct
01 Apr - 25 Apr	Korean Air	direct

Also check the deals for one-way flights from Toronto to Seoul 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 Toronto to Seoul in April from $914

Return flights