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	British Airways
29 Mar - 05 Apr	British Airways
16 Mar - 23 Mar	Air Canada
18 Mar - 25 Mar	Air Canada
15 Mar - 22 Mar	Air Canada
23 Mar - 30 Mar	Air Canada
21 Mar - 28 Mar	Air Canada
14 Mar - 21 Mar	Air Canada
30 Mar - 06 Apr	Lufthansa
25 Mar - 01 Apr	Air Canada
31 Mar - 07 Apr	Lufthansa
17 Mar - 24 Mar	Air Canada
19 Mar - 26 Mar	Air Canada
24 Mar - 31 Mar	Air Canada
28 Mar - 04 Apr	Air Canada
27 Mar - 03 Apr	Air Canada
26 Mar - 02 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 502€

Return flights