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

Return flights

23 May - 07 Jun	WestJet
07 May - 01 Jun	WestJet
10 May - 24 May	Flair Airlines
02 May - 16 May	Flair Airlines
03 May - 16 May	Flair Airlines
01 May - 21 May	Flair Airlines
29 May - 14 Jun	WestJet
01 May - 28 May	Flair Airlines
22 May - 03 Jun	WestJet
02 May - 30 May	Flair Airlines
01 May - 30 May	Flair Airlines
01 May - 11 May	Flair Airlines
11 May - 25 May	WestJet
11 May - 18 May	WestJet
26 May - 09 Jun	WestJet
20 May - 15 Jun	Flair Airlines
05 May - 02 Jun	Flair Airlines
18 May - 01 Jun	WestJet
26 May - 02 Jun	WestJet
29 May - 05 Jun	WestJet

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 675€

Return flights