Cheapest one-way YUL–KEF flights, May

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

One-Way flights

17 May WestJet
22 May FrenchBee
24 May WestJet
21 May WestJet

Also check the deals for return flights from Montreal to Keflavik in May.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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