Cheapest return flights from Montreal to Keflavik in September from 485€

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

Return flights

04 Sep - 12 Sep Air Canada direct
04 Sep - 10 Sep Air Canada direct
04 Sep - 17 Sep Air Canada direct
04 Sep - 14 Sep Air Canada direct
26 Sep - 04 Oct WestJet
02 Sep - 17 Sep Air Canada
04 Sep - 20 Sep Air Canada
03 Sep - 10 Sep Air Canada
05 Sep - 12 Sep Air Canada
07 Sep - 14 Sep Air Canada
04 Sep - 11 Sep Air Canada
27 Sep - 04 Oct Air Canada
29 Sep - 05 Oct Porter Airlines (Canada) Ltd
04 Sep - 06 Oct Porter Airlines (Canada) Ltd
27 Sep - 09 Oct Air Canada
29 Sep - 06 Oct Air Canada
28 Sep - 05 Oct Porter Airlines (Canada) Ltd
25 Sep - 02 Oct Air Canada
27 Sep - 03 Oct Air Canada
27 Sep - 05 Oct Porter Airlines (Canada) Ltd

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

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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