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

Return flights

31 Aug - 11 Sep	WestJet
13 Aug - 27 Aug	WestJet
31 Aug - 12 Sep	WestJet
26 Aug - 02 Sep	WestJet
31 Aug - 25 Sep	WestJet
31 Aug - 07 Sep	WestJet
19 Aug - 26 Aug	WestJet
02 Aug - 17 Aug	Porter Airlines (Canada) Ltd
03 Aug - 10 Aug	Porter Airlines (Canada) Ltd
25 Aug - 01 Sep	ANA
23 Aug - 30 Aug	WestJet
30 Aug - 06 Sep	WestJet
18 Aug - 25 Aug	ANA
24 Aug - 31 Aug	Porter Airlines (Canada) Ltd
20 Aug - 27 Aug	Flair Airlines
14 Aug - 21 Aug	Porter Airlines (Canada) Ltd
21 Aug - 28 Aug	Porter Airlines (Canada) Ltd
27 Aug - 03 Sep	Porter Airlines (Canada) Ltd
29 Aug - 05 Sep	Porter Airlines (Canada) Ltd
28 Aug - 04 Sep	Flair Airlines

Also check the deals for one-way flights from Montreal 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 Montreal to Seoul in August from 1006€

Return flights