Cheapest return flights from Montreal to Keflavik in December from $747

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

Return flights

04 Dec - 11 Dec Porter Airlines (Canada) Ltd
07 Dec - 14 Dec Porter Airlines (Canada) Ltd
06 Dec - 13 Dec Porter Airlines (Canada) Ltd
11 Dec - 18 Dec Porter Airlines (Canada) Ltd
10 Dec - 17 Dec Porter Airlines (Canada) Ltd
12 Dec - 19 Dec Porter Airlines (Canada) Ltd
13 Dec - 20 Dec Porter Airlines (Canada) Ltd
05 Dec - 12 Dec Porter Airlines (Canada) Ltd
21 Dec - 28 Dec Porter Airlines (Canada) Ltd
14 Dec - 21 Dec Porter Airlines (Canada) Ltd
17 Dec - 13 Jan Porter Airlines (Canada) Ltd
31 Dec - 07 Jan Porter Airlines (Canada) Ltd
30 Dec - 06 Jan Porter Airlines (Canada) Ltd
29 Dec - 05 Jan Porter Airlines (Canada) Ltd
28 Dec - 04 Jan WestJet
27 Dec - 03 Jan WestJet
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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Feel free to contact us with any feedback or request another flight research.