Cheapest return flights from Montreal to Keflavik in May from 567€

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

Return flights

31 May - 07 Jun Air Canada
27 May - 03 Jun Air Canada
12 May - 19 May Air Canada
24 May - 31 May Air Canada
20 May - 27 May Air Canada
17 May - 28 May Air Canada
04 May - 11 May Porter Airlines (Canada) Ltd
23 May - 30 May Porter Airlines (Canada) Ltd
26 May - 02 Jun Porter Airlines (Canada) Ltd
29 May - 05 Jun Porter Airlines (Canada) Ltd
30 May - 06 Jun Air Canada
25 May - 01 Jun Porter Airlines (Canada) Ltd
02 May - 09 May Porter Airlines (Canada) Ltd
01 May - 08 May Porter Airlines (Canada) Ltd
08 May - 15 May Porter Airlines (Canada) Ltd
16 May - 23 May Porter Airlines (Canada) Ltd
28 May - 04 Jun WestJet
22 May - 01 Jun WestJet

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

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