AirHint found the following cheapest return flights from Waterloo (YKF) to Seoul (ICN) in July 2025 (see full year).

Return flights

12 Jul - 03 Aug	Flair Airlines
24 Jul - 31 Jul	WestJet
27 Jul - 12 Aug	WestJet
24 Jul - 07 Aug	WestJet
18 Jul - 15 Aug	WestJet
28 Jul - 14 Aug	WestJet
30 Jul - 05 Aug	WestJet
28 Jul - 15 Aug	WestJet
30 Jul - 04 Aug	WestJet
10 Jul - 31 Jul	WestJet
31 Jul - 03 Aug	WestJet
31 Jul - 15 Aug	WestJet
21 Jul - 25 Jul	WestJet
07 Jul - 28 Jul	WestJet
10 Jul - 17 Jul	WestJet
14 Jul - 27 Jul	WestJet
13 Jul - 27 Jul	WestJet

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

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 July from 1133€

Return flights