Cheapest return YUL–KEF flights, December

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

Return flights

05 Dec - 12 Dec Porter Airlines (Canada) Ltd
04 Dec - 11 Dec Porter Airlines (Canada) Ltd
02 Dec - 09 Dec Porter Airlines (Canada) Ltd
01 Dec - 08 Dec Porter Airlines (Canada) Ltd
03 Dec - 10 Dec Porter Airlines (Canada) Ltd
12 Dec - 19 Dec Porter Airlines (Canada) Ltd
06 Dec - 13 Dec Porter Airlines (Canada) Ltd
17 Dec - 24 Dec Porter Airlines (Canada) Ltd
19 Dec - 26 Dec Porter Airlines (Canada) Ltd
31 Dec - 07 Jan Porter Airlines (Canada) Ltd
10 Dec - 17 Dec British Airways
30 Dec - 06 Jan Porter Airlines (Canada) Ltd
29 Dec - 05 Jan Porter Airlines (Canada) Ltd
28 Dec - 04 Jan Porter Airlines (Canada) Ltd
27 Dec - 03 Jan Porter Airlines (Canada) Ltd
26 Dec - 02 Jan Porter Airlines (Canada) Ltd
25 Dec - 01 Jan Porter Airlines (Canada) Ltd

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

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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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