Cheapest return flights from Montreal to Keflavik in May from 492€

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

Return flights

13 May - 20 May WestJet
04 May - 10 May WestJet
01 May - 07 May WestJet
28 May - 04 Jun WestJet
01 May - 08 May Porter Airlines (Canada) Ltd
01 May - 11 May Porter Airlines (Canada) Ltd
04 May - 09 May Porter Airlines (Canada) Ltd
09 May - 16 May Porter Airlines (Canada) Ltd
11 May - 18 May Porter Airlines (Canada) Ltd
02 May - 09 May Porter Airlines (Canada) Ltd
04 May - 11 May Porter Airlines (Canada) Ltd
30 May - 06 Jun Air Canada
17 May - 21 Jun Delta
26 May - 02 Jun Air Canada
25 May - 01 Jun Air Canada
31 May - 07 Jun Air Canada
27 May - 03 Jun Air France
29 May - 05 Jun Porter Airlines (Canada) Ltd

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

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