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

Return flights

12 Jul - 19 Jul	British Airways
19 Jul - 26 Jul	British Airways
05 Jul - 12 Jul	British Airways
17 Jul - 24 Jul	WestJet
06 Jul - 13 Jul	SWISS
14 Jul - 21 Jul	SWISS
20 Jul - 27 Jul	SWISS
07 Jul - 14 Jul	SWISS
13 Jul - 20 Jul	SWISS
21 Jul - 28 Jul	SWISS
28 Jul - 04 Aug	SWISS
27 Jul - 03 Aug	SWISS
30 Jul - 06 Aug	Air Canada
26 Jul - 02 Aug	Air Canada
29 Jul - 05 Aug	Air Canada
25 Jul - 01 Aug	Air Canada
31 Jul - 07 Aug	Lufthansa

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 769€

Return flights