Cheapest return flights from Montreal to Keflavik in March from $651

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

Return flights

10 Mar - 17 Mar WestJet
29 Mar - 05 Apr WestJet
09 Mar - 16 Mar Porter Airlines (Canada) Ltd
30 Mar - 06 Apr Porter Airlines (Canada) Ltd
25 Mar - 01 Apr Porter Airlines (Canada) Ltd
12 Mar - 19 Mar Porter Airlines (Canada) Ltd
08 Mar - 15 Mar Porter Airlines (Canada) Ltd
17 Mar - 24 Mar Porter Airlines (Canada) Ltd
06 Mar - 13 Mar TAP
11 Mar - 18 Mar Porter Airlines (Canada) Ltd
26 Mar - 02 Apr Porter Airlines (Canada) Ltd
27 Mar - 03 Apr WestJet
05 Mar - 12 Mar Porter Airlines (Canada) Ltd
08 Mar - 14 Mar Porter Airlines (Canada) Ltd
07 Mar - 14 Mar WestJet
28 Mar - 04 Apr WestJet
26 Mar - 07 Apr Porter Airlines (Canada) Ltd
31 Mar - 07 Apr Porter Airlines (Canada) Ltd

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

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