Cheapest return flights from Montreal to Sofia in September from 649€

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

Return flights

27 Sep - 04 Oct British Airways
13 Sep - 20 Sep British Airways
20 Sep - 27 Sep British Airways
24 Sep - 01 Oct Air Transat
06 Sep - 13 Sep FrenchBee
25 Sep - 02 Oct Air Transat
18 Sep - 25 Sep Air Transat
08 Sep - 15 Sep Air Transat
11 Sep - 18 Sep Air Transat
17 Sep - 24 Sep Air Transat
05 Sep - 12 Sep Air Transat
09 Sep - 16 Sep FrenchBee
02 Sep - 09 Sep FrenchBee
28 Sep - 05 Oct Air Canada
30 Sep - 07 Oct Air Canada
29 Sep - 06 Oct Air Canada
26 Sep - 03 Oct Air Canada

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

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