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

01 Oct - 08 Oct WestJet
21 Oct - 28 Oct WestJet
14 Oct - 21 Oct WestJet
13 Oct - 20 Oct Air Canada
06 Oct - 13 Oct Air Canada
05 Oct - 12 Oct Air Canada
11 Oct - 20 Oct Air Canada
01 Oct - 15 Oct Air Canada
11 Oct - 18 Oct Air Canada
15 Oct - 22 Oct Air Canada
27 Oct - 03 Nov Porter Airlines (Canada) Ltd
29 Oct - 05 Nov British Airways
30 Oct - 06 Nov British Airways
25 Oct - 01 Nov Porter Airlines (Canada) Ltd
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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