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

Return flights

26 Aug - 22 Sep	Turkish Airlines
26 Aug - 07 Sep	Porter Airlines (Canada) Ltd
11 Aug - 11 Sep	Flair Airlines
01 Aug - 01 Sep	WestJet
18 Aug - 01 Sep	Porter Airlines (Canada) Ltd
27 Aug - 23 Sep	Porter Airlines (Canada) Ltd
31 Aug - 16 Sep	Air Canada
23 Aug - 30 Aug	Air Canada
26 Aug - 02 Sep	Air Canada
25 Aug - 01 Sep	Air Canada	direct
30 Aug - 06 Sep	Air Canada
22 Aug - 29 Aug	Air Canada
21 Aug - 28 Aug	Air Canada
17 Aug - 24 Aug	Flair Airlines
13 Aug - 27 Aug	Porter Airlines (Canada) Ltd
13 Aug - 20 Aug	WestJet
24 Aug - 31 Aug	Flair Airlines
06 Aug - 13 Aug	WestJet
11 Aug - 18 Aug	Flair Airlines
10 Aug - 25 Aug	WestJet

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 1066€

Return flights