Cheapest return flights from Montreal to Keflavik in December from $950

AirHint found the following cheapest return flights from Montreal (YUL) to Keflavik (KEF) in December 2026 (see full year).

Return flights

02 Dec - 09 Dec Porter Airlines (Canada) Ltd
01 Dec - 08 Dec Porter Airlines (Canada) Ltd
03 Dec - 10 Dec Porter Airlines (Canada) Ltd
05 Dec - 12 Dec Porter Airlines (Canada) Ltd
06 Dec - 13 Dec Porter Airlines (Canada) Ltd
04 Dec - 11 Dec Porter Airlines (Canada) Ltd
07 Dec - 14 Dec Porter Airlines (Canada) Ltd
18 Dec - 02 Jan SWISS

Also check the deals for one-way flights from Montreal to Keflavik in December.

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