Cheapest return flights from Montreal to Keflavik in September from 521€

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

Return flights

01 Sep - 14 Sep Air Transat direct
01 Sep - 07 Sep Air Transat direct
06 Sep - 14 Sep Air Transat direct
20 Sep - 28 Sep Air Transat direct
06 Sep - 21 Sep Air Transat direct
21 Sep - 07 Oct Air Canada
02 Sep - 09 Sep Air Canada direct
30 Sep - 07 Oct Air Canada
07 Sep - 16 Sep Air Canada
08 Sep - 14 Sep Air Canada
02 Sep - 10 Sep Air Canada
08 Sep - 15 Sep Air Canada
28 Sep - 05 Oct Air Canada
24 Sep - 01 Oct Air Canada
25 Sep - 02 Oct Air Canada
22 Sep - 11 Oct Air Canada direct
27 Sep - 11 Oct Air Canada

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

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