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

Return flights

07 Jul - 14 Jul	Air Canada
13 Jul - 20 Jul	Air Canada
15 Jul - 22 Jul	Lufthansa
21 Jul - 28 Jul	Air Canada
06 Jul - 13 Jul	Lufthansa
14 Jul - 21 Jul	Lufthansa
20 Jul - 27 Jul	Air Canada
27 Jul - 03 Aug	Lufthansa
28 Jul - 04 Aug	Lufthansa
13 Jul - 06 Aug	Lufthansa
08 Jul - 15 Jul	Air Canada
23 Jul - 30 Jul	Air Canada
16 Jul - 23 Jul	Air Canada
30 Jul - 06 Aug	Lufthansa
29 Jul - 05 Aug	Lufthansa
26 Jul - 02 Aug	Air Canada
25 Jul - 01 Aug	Lufthansa
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 821€

Return flights