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

Return flights

15 Aug - 15 Sep	WestJet
30 Aug - 21 Sep	WestJet
24 Aug - 08 Sep	WestJet
01 Aug - 07 Sep	WestJet
02 Aug - 01 Sep	WestJet
23 Aug - 31 Aug	WestJet
01 Aug - 08 Aug	WestJet
18 Aug - 28 Aug	WestJet
14 Aug - 17 Aug	WestJet
13 Aug - 21 Aug	WestJet
21 Aug - 30 Aug	WestJet
02 Aug - 16 Aug	WestJet
07 Aug - 17 Aug	WestJet
15 Aug - 30 Aug	WestJet
11 Aug - 15 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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Waterloo to Seoul in August from 1151€

Return flights