Cheapest return flights from Montreal to Keflavik in May from $698

Best time to book flights for Montreal (YUL) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Montreal (YUL) to Keflavik (KEF) in May 2025 (see full year).

Return flights

30 May - 06 Jun Air Canada
31 May - 07 Jun Air Canada
05 May - 12 May Austrian Airlines
28 May - 04 Jun Lufthansa
09 May - 16 May Lufthansa
12 May - 19 May Austrian Airlines
19 May - 26 May Austrian Airlines
31 May - 15 Jun Air Canada
26 May - 02 Jun Austrian Airlines
16 May - 23 May Lufthansa
15 May - 22 May Lufthansa
01 May - 08 May WestJet
29 May - 05 Jun WestJet
13 May - 20 May KLM
02 May - 16 May Lufthansa
20 May - 27 May WestJet
27 May - 11 Jun KLM
31 May - 15 Jun Air Canada direct
27 May - 03 Jun Air Canada
25 May - 01 Jun Air Canada

Also check the deals for one-way 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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