Cheapest return flights from Montreal to Keflavik in September from 484€

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

Return flights

09 Sep - 17 Sep Air Canada direct
02 Sep - 10 Sep Air Canada
03 Sep - 10 Sep Air Canada
02 Sep - 09 Sep Air Canada
08 Sep - 15 Sep Air Canada
13 Sep - 17 Sep Air Canada direct
13 Sep - 20 Sep Air Canada
16 Sep - 23 Sep Air Canada
04 Sep - 12 Sep Air Canada
09 Sep - 16 Sep Air Canada
27 Sep - 05 Oct Air Canada
28 Sep - 05 Oct Air Canada
27 Sep - 04 Oct Air Canada
25 Sep - 02 Oct Porter Airlines (Canada) Ltd
26 Sep - 05 Oct Air Canada
24 Sep - 01 Oct Air Canada
21 Sep - 01 Oct Air Canada
30 Sep - 07 Oct Air France
29 Sep - 06 Oct Air Canada
26 Sep - 03 Oct WestJet

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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