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

Return flights

25 Apr - 25 May	WestJet
19 Apr - 25 Apr	WestJet
10 Apr - 28 Apr	Flair Airlines
07 Apr - 16 Apr	Flair Airlines
09 Apr - 23 Apr	WestJet
09 Apr - 16 Apr	WestJet
04 Apr - 25 Apr	Flair Airlines
05 Apr - 26 Apr	Flair Airlines
07 Apr - 21 Apr	WestJet
25 Apr - 21 May	WestJet
28 Apr - 26 May	WestJet
25 Apr - 05 May	WestJet
26 Apr - 07 May	Porter Airlines (Canada) Ltd
27 Apr - 21 May	Porter Airlines (Canada) Ltd
25 Apr - 17 May	WestJet
08 Apr - 16 Apr	WestJet
28 Apr - 07 May	WestJet
19 Apr - 19 May	WestJet
19 Apr - 01 May	Flair Airlines
10 Apr - 25 Apr	WestJet

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 634€

Return flights