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

Return flights

13 Jul - 20 Jul	Air Transat
12 Jul - 19 Jul	British Airways
26 Jul - 02 Aug	British Airways
07 Jul - 14 Jul	SWISS
21 Jul - 28 Jul	SWISS
14 Jul - 21 Jul	SWISS
20 Jul - 27 Jul	SWISS
28 Jul - 04 Aug	SWISS
22 Jul - 29 Jul	Air Canada
27 Jul - 03 Aug	Air Canada
29 Jul - 05 Aug	Air Canada
08 Jul - 15 Jul	Air Canada
15 Jul - 22 Jul	Air Canada
06 Jul - 13 Jul	Air Canada
30 Jul - 06 Aug	Air Canada
31 Jul - 07 Aug	Air Canada
25 Jul - 01 Aug	Air Transat

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

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 July from 788€

Return flights