Cheapest return flights from Montreal to Keflavik in April from $709

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

Return flights

26 Apr - 16 May Air Transat
10 Apr - 23 Apr WestJet
04 Apr - 25 Apr WestJet
01 Apr - 08 Apr Porter Airlines (Canada) Ltd
02 Apr - 09 Apr Porter Airlines (Canada) Ltd
03 Apr - 10 Apr Porter Airlines (Canada) Ltd
04 Apr - 11 Apr Porter Airlines (Canada) Ltd
06 Apr - 13 Apr Porter Airlines (Canada) Ltd
08 Apr - 15 Apr Porter Airlines (Canada) Ltd
09 Apr - 16 Apr Porter Airlines (Canada) Ltd
10 Apr - 17 Apr Porter Airlines (Canada) Ltd
24 Apr - 01 May Porter Airlines (Canada) Ltd
25 Apr - 02 May Porter Airlines (Canada) Ltd
27 Apr - 04 May Porter Airlines (Canada) Ltd
29 Apr - 06 May Porter Airlines (Canada) Ltd
30 Apr - 07 May Porter Airlines (Canada) Ltd
28 Apr - 05 May Porter Airlines (Canada) Ltd
26 Apr - 03 May Porter Airlines (Canada) Ltd

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

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