Cheapest return flights from Montreal to Sofia in March from $596

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

Return flights

22 Mar - 29 Mar FrenchBee
11 Mar - 18 Mar FrenchBee
21 Mar - 28 Mar Air Transat
05 Mar - 12 Mar Porter Airlines (Canada) Ltd
07 Mar - 14 Mar Air Transat
20 Mar - 27 Mar FrenchBee
19 Mar - 26 Mar Porter Airlines (Canada) Ltd
12 Mar - 19 Mar Porter Airlines (Canada) Ltd
14 Mar - 21 Mar Air Transat
27 Mar - 03 Apr FrenchBee
13 Mar - 20 Mar FrenchBee
26 Mar - 02 Apr Porter Airlines (Canada) Ltd
25 Mar - 01 Apr FrenchBee
30 Mar - 06 Apr FrenchBee
31 Mar - 07 Apr Porter Airlines (Canada) Ltd
28 Mar - 04 Apr LOT

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

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