Cheapest return flights from Montreal to Keflavik in October from $685

Best time to book flights for Montreal (YUL) to Keflavik (KEF) flights at AirHint

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

Return flights

30 Oct - 06 Nov British Airways
07 Oct - 14 Oct WestJet
03 Oct - 10 Oct Porter Airlines (Canada) Ltd
13 Oct - 20 Oct Porter Airlines (Canada) Ltd
17 Oct - 24 Oct Porter Airlines (Canada) Ltd
19 Oct - 26 Oct WestJet
21 Oct - 28 Oct WestJet
10 Oct - 17 Oct Porter Airlines (Canada) Ltd
29 Oct - 05 Nov WestJet
31 Oct - 07 Nov WestJet
26 Oct - 02 Nov WestJet
28 Oct - 04 Nov WestJet
20 Oct - 27 Oct SWISS
06 Oct - 13 Oct Porter Airlines (Canada) Ltd
24 Oct - 31 Oct Porter Airlines (Canada) Ltd
27 Oct - 03 Nov Porter Airlines (Canada) Ltd
25 Oct - 01 Nov Porter Airlines (Canada) Ltd

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

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