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

Return flights

16 Apr - 23 Apr	WestJet
11 Apr - 18 Apr	WestJet
30 Apr - 07 May	WestJet
02 Apr - 09 Apr	WestJet
18 Apr - 25 Apr	WestJet
23 Apr - 30 Apr	WestJet
25 Apr - 02 May	WestJet
02 Apr - 27 Apr	WestJet
26 Apr - 03 May	WestJet
17 Apr - 30 Apr	WestJet
24 Apr - 01 May	WestJet
15 Apr - 22 Apr	Porter Airlines (Canada) Ltd
08 Apr - 15 Apr	Porter Airlines (Canada) Ltd
29 Apr - 06 May	WestJet
28 Apr - 09 May	WestJet
19 Apr - 26 Apr	Porter Airlines (Canada) Ltd
28 Apr - 05 May	WestJet
27 Apr - 04 May	Air France
27 Apr - 09 May	Air France

Also check the deals for one-way flights from Montreal to Seoul in April.

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 April from $929

Return flights