Cheapest return YUL–CPH flights, September

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

Return flights

29 Sep - 06 Oct Air Transat
22 Sep - 29 Sep Air Transat
27 Sep - 04 Oct Air Transat
15 Sep - 27 Sep Air Transat
17 Sep - 24 Sep Air Transat
08 Sep - 15 Sep Air Transat
13 Sep - 20 Sep Air Transat
14 Sep - 21 Sep Air Transat
24 Sep - 01 Oct Air Transat
07 Sep - 14 Sep Air Transat
05 Sep - 12 Sep FrenchBee
26 Sep - 03 Oct Air Transat
28 Sep - 05 Oct Air Transat
13 Sep - 27 Sep Air Transat
20 Sep - 27 Sep Air Transat
25 Sep - 02 Oct Air Transat
30 Sep - 07 Oct SWISS

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

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