Cheapest return flights from Montreal to Keflavik in December from 600€

AirHint found the following cheapest return flights from Montreal (YUL) to Keflavik (KEF) in December 2025 (see full year).

Return flights

10 Dec - 17 Dec Porter Airlines (Canada) Ltd
12 Dec - 19 Dec Porter Airlines (Canada) Ltd
11 Dec - 18 Dec Porter Airlines (Canada) Ltd
13 Dec - 20 Dec Porter Airlines (Canada) Ltd
16 Dec - 23 Dec Porter Airlines (Canada) Ltd
14 Dec - 21 Dec Porter Airlines (Canada) Ltd
15 Dec - 22 Dec Porter Airlines (Canada) Ltd
08 Dec - 15 Dec Porter Airlines (Canada) Ltd
09 Dec - 16 Dec Porter Airlines (Canada) Ltd
17 Dec - 24 Dec Porter Airlines (Canada) Ltd
30 Dec - 18 Jan Porter Airlines (Canada) Ltd
31 Dec - 07 Jan Porter Airlines (Canada) Ltd
28 Dec - 04 Jan Porter Airlines (Canada) Ltd
29 Dec - 05 Jan Porter Airlines (Canada) Ltd
25 Dec - 01 Jan Porter Airlines (Canada) Ltd
30 Dec - 06 Jan Porter Airlines (Canada) Ltd
27 Dec - 03 Jan Porter Airlines (Canada) Ltd
26 Dec - 02 Jan Porter Airlines (Canada) Ltd

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

Skyscanner

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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