Cheapest return flights from Montreal to Keflavik in May from 547€

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

Return flights

27 May - 03 Jun Air Canada
01 May - 08 May Porter Airlines (Canada) Ltd
04 May - 11 May Porter Airlines (Canada) Ltd
02 May - 09 May Porter Airlines (Canada) Ltd
09 May - 16 May Porter Airlines (Canada) Ltd
31 May - 07 Jun United
26 May - 02 Jun Porter Airlines (Canada) Ltd
29 May - 05 Jun Air Canada
30 May - 12 Jun Air Canada
30 May - 06 Jun Air Canada
07 May - 14 May WestJet
08 May - 15 May Porter Airlines (Canada) Ltd
11 May - 18 May Porter Airlines (Canada) Ltd
06 May - 13 May WestJet
19 May - 26 May WestJet
21 May - 28 May WestJet
29 May - 12 Jun Air Canada
28 May - 04 Jun WestJet
25 May - 01 Jun Porter Airlines (Canada) Ltd

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

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