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

Return flights

05 May - 21 May	WestJet
13 May - 26 May	WestJet
07 May - 01 Jun	WestJet
03 May - 15 May	WestJet
01 May - 15 May	WestJet
28 May - 31 May	WestJet
01 May - 16 May	WestJet
23 May - 08 Jun	WestJet
01 May - 29 Jun	WestJet
02 May - 16 May	WestJet
02 May - 09 May	WestJet
16 May - 24 May	WestJet
05 May - 12 May	Turkish Airlines
04 May - 26 Jun	Cathay Pacific
18 May - 05 Jun	Cathay Pacific
04 May - 26 Jun	Asiana Airlines	direct
31 May - 11 Jun	Air Canada
18 May - 05 Jun	Asiana Airlines	direct
01 May - 29 Jun	Asiana Airlines	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 826€

Return flights