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

Return flights

26 Aug - 08 Sep	WestJet
21 Aug - 07 Sep	WestJet
22 Aug - 05 Sep	WestJet
12 Aug - 05 Sep	WestJet
08 Aug - 05 Sep	WestJet
15 Aug - 10 Sep	WestJet
11 Aug - 28 Aug	WestJet
12 Aug - 21 Aug	WestJet
01 Aug - 07 Aug	WestJet
08 Aug - 30 Aug	WestJet
01 Aug - 15 Aug	WestJet
07 Aug - 21 Aug	WestJet
15 Aug - 22 Aug	WestJet
15 Aug - 20 Aug	WestJet
07 Aug - 30 Aug	WestJet

Also check the deals for one-way flights from Waterloo to Seoul in August.

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 August from $1143

Return flights