Cheapest return flights from Montreal to Keflavik in October from 490€

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

Return flights

03 Oct - 14 Oct Air Canada
24 Oct - 31 Oct Lufthansa
22 Oct - 26 Oct Lufthansa
04 Oct - 23 Oct Lufthansa
19 Oct - 26 Oct Lufthansa
10 Oct - 17 Oct Porter Airlines (Canada) Ltd
07 Oct - 18 Nov Lufthansa
11 Oct - 25 Oct Lufthansa
18 Oct - 25 Oct Lufthansa
06 Oct - 18 Nov Lufthansa
02 Oct - 22 Oct WestJet
26 Oct - 02 Nov Porter Airlines (Canada) Ltd
30 Oct - 06 Nov Porter Airlines (Canada) Ltd
07 Oct - 21 Oct Lufthansa
25 Oct - 01 Nov Porter Airlines (Canada) Ltd
28 Oct - 04 Nov WestJet
31 Oct - 07 Nov WestJet
27 Oct - 03 Nov WestJet
29 Oct - 05 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.

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