Cheapest return flights from Montreal to Keflavik in October from $784

AirHint found the following cheapest return flights from Montreal (YUL) to Keflavik (KEF) in October 2026 (see full year).

Return flights

14 Oct - 21 Oct Air Canada
06 Oct - 13 Oct Air Canada
07 Oct - 14 Oct Air Canada
13 Oct - 20 Oct Air Canada
08 Oct - 15 Oct Porter Airlines (Canada) Ltd
01 Oct - 08 Oct Porter Airlines (Canada) Ltd
05 Oct - 12 Oct Air Canada
12 Oct - 19 Oct Air Canada
16 Oct - 21 Oct Porter Airlines (Canada) Ltd
18 Oct - 25 Oct 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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