Cheapest return flights from Montreal to Keflavik in May from 515€

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

Return flights

30 May - 06 Jun Air Canada
31 May - 07 Jun Air Canada
26 May - 02 Jun Air Canada
08 May - 15 May Lufthansa
03 May - 10 May Lufthansa
01 May - 08 May Lufthansa
11 May - 18 May KLM
04 May - 11 May Lufthansa
29 May - 05 Jun Air Canada
19 May - 26 May Air Canada
12 May - 19 May KLM
10 May - 17 May KLM
27 May - 03 Jun Air Canada
18 May - 25 May Air Canada
05 May - 12 May Lufthansa
28 May - 04 Jun Air Canada
25 May - 01 Jun Austrian Airlines

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

Skyscanner

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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