Cheapest return flights from Montreal to Sofia in September from 619€

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

Return flights

15 Sep - 22 Sep Air Transat
29 Sep - 06 Oct Air Transat
20 Sep - 27 Sep FrenchBee
17 Sep - 24 Sep Air Transat
13 Sep - 20 Sep FrenchBee
24 Sep - 01 Oct Air Transat
04 Sep - 11 Sep Air Transat
06 Sep - 13 Sep FrenchBee
22 Sep - 29 Sep Air Transat
18 Sep - 25 Sep Air Transat
25 Sep - 02 Oct Air Transat
21 Sep - 05 Oct WestJet
27 Sep - 04 Oct British Airways
02 Sep - 09 Sep FrenchBee
22 Sep - 05 Oct Condor
09 Sep - 16 Sep FrenchBee
23 Sep - 05 Oct FrenchBee
30 Sep - 09 Oct FrenchBee
30 Sep - 07 Oct Air Transat
28 Sep - 05 Oct Air Transat

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

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