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

Return flights

07 May - 01 Jun	WestJet
10 May - 17 May	WestJet
28 May - 11 Jun	KLM
11 May - 25 May	Air France
30 May - 27 Jun	Air France
04 May - 14 May	Air France
29 May - 28 Jun	KLM
14 May - 31 May	Air Canada
29 May - 28 Jun	Air Canada	direct
28 May - 11 Jun	Asiana Airlines	direct
30 May - 27 Jun	Korean Air	direct

Also check the deals for one-way flights from Toronto to Seoul in May.

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 May from 888€

Return flights