Cheapest return flights from Montreal to Keflavik in September from 556€

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

Return flights

25 Sep - 02 Oct Air Canada
27 Sep - 04 Oct Air Canada
29 Sep - 06 Oct Air Canada
24 Sep - 01 Oct Air Canada
26 Sep - 03 Oct Air Canada
30 Sep - 07 Oct Air Canada
19 Sep - 03 Oct Air Canada
13 Sep - 21 Sep Air Transat direct
28 Sep - 05 Oct Air Canada
12 Sep - 20 Sep Air Canada direct
23 Sep - 30 Sep Air Canada
12 Sep - 19 Sep Air Canada
16 Sep - 23 Sep Air Canada
22 Sep - 29 Sep Air Canada
20 Sep - 27 Sep Air Canada
13 Sep - 27 Sep Air Canada
13 Sep - 20 Sep Air Canada
15 Sep - 22 Sep Air Canada
30 Sep - 15 Oct Air Canada
27 Sep - 11 Oct Air Canada

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

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