AirHint found the following cheapest return flights from Montreal (YUL) to Seoul (ICN) in September 2026 (see full year).
Return flights
| 13 Sep - 27 Sep | WestJet | ||
| 08 Sep - 02 Oct | WestJet | ||
| 17 Sep - 24 Sep | WestJet | ||
| 06 Sep - 30 Sep | WestJet | ||
| 12 Sep - 19 Sep | WestJet | ||
| 28 Sep - 26 Oct | Air Canada | ||
| 28 Sep - 31 Oct | Air Canada |
Also check the deals for one-way flights from Montreal to Seoul in September.
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