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

Return flights

03 May - 18 May	WestJet
01 May - 17 May	WestJet
02 May - 28 May	WestJet
29 May - 07 Jun	WestJet
01 May - 16 May	Flair Airlines
25 May - 31 May	WestJet
02 May - 23 May	WestJet
09 May - 23 May	WestJet
20 May - 28 May	WestJet
25 May - 11 Jun	WestJet
09 May - 30 May	WestJet
31 May - 14 Jun	WestJet
01 May - 15 May	Flair Airlines
24 May - 14 Jun	WestJet
21 May - 01 Jun	WestJet
16 May - 04 Jun	WestJet
28 May - 07 Jun	WestJet

Also check the deals for one-way flights from Waterloo 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 Waterloo to Seoul in May from 603€

Return flights