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

Return flights

04 May - 08 Jun	WestJet
13 May - 30 May	Flair Airlines
05 May - 26 May	Flair Airlines
16 May - 30 May	WestJet
09 May - 24 May	Flair Airlines
09 May - 07 Jun	Flair Airlines
02 May - 28 May	WestJet
13 May - 28 May	Flair Airlines
28 May - 11 Jun	WestJet
08 May - 30 May	WestJet
05 May - 27 May	Flair Airlines
17 May - 28 May	WestJet
07 May - 24 May	Porter Airlines (Canada) Ltd
24 May - 02 Jun	WestJet
02 May - 02 Jun	WestJet
31 May - 22 Jun	WestJet
21 May - 18 Jun	Flair Airlines
30 May - 09 Jun	WestJet
13 May - 07 Jun	Flair Airlines
16 May - 06 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 726€

Return flights