Cheapest return flights from Montreal to Keflavik in October from 509€

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

Return flights

15 Oct - 22 Oct Porter Airlines (Canada) Ltd
14 Oct - 21 Oct WestJet
04 Oct - 11 Oct Porter Airlines (Canada) Ltd
17 Oct - 24 Oct WestJet
11 Oct - 18 Oct Air Transat
07 Oct - 21 Oct Air Transat
16 Oct - 23 Oct Air Transat
25 Oct - 01 Nov Porter Airlines (Canada) Ltd
12 Oct - 16 Oct Porter Airlines (Canada) Ltd
13 Oct - 20 Oct WestJet
14 Oct - 19 Oct WestJet
06 Oct - 18 Nov Austrian Airlines
30 Oct - 06 Nov Porter Airlines (Canada) Ltd
31 Oct - 22 Nov Porter Airlines (Canada) Ltd
31 Oct - 09 Nov Porter Airlines (Canada) Ltd
31 Oct - 07 Nov Porter Airlines (Canada) Ltd
06 Oct - 01 Nov Porter Airlines (Canada) Ltd
12 Oct - 01 Nov WestJet
17 Oct - 08 Nov Air Transat
28 Oct - 04 Nov Porter Airlines (Canada) Ltd

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

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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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