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
10 Mar - 17 Mar	British Airways
13 Mar - 20 Mar	FrenchBee
20 Mar - 27 Mar	FrenchBee
14 Mar - 21 Mar	British Airways
25 Mar - 01 Apr	FrenchBee
06 Mar - 13 Mar	FrenchBee
08 Mar - 15 Mar	FrenchBee
04 Mar - 11 Mar	FrenchBee
11 Mar - 18 Mar	FrenchBee
01 Mar - 08 Mar	FrenchBee
27 Mar - 03 Apr	FrenchBee
31 Mar - 07 Apr	KLM
30 Mar - 06 Apr	SWISS
29 Mar - 05 Apr	Air Canada
26 Mar - 02 Apr	Air France
28 Mar - 04 Apr	Air Canada

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

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Montreal to Sofia in March from 697€

Return flights