Cheapest return flights from Montreal to Sofia in August from $717

AirHint found the following cheapest return flights from Montreal (YUL) to Sofia (SOF) in August 2025 (see full year).

Return flights

31 Aug - 07 Sep FrenchBee
26 Aug - 02 Sep Porter Airlines (Canada) Ltd
11 Aug - 01 Sep FrenchBee
27 Aug - 03 Sep Porter Airlines (Canada) Ltd
28 Aug - 04 Sep Porter Airlines (Canada) Ltd
30 Aug - 06 Sep Porter Airlines (Canada) Ltd
25 Aug - 01 Sep Porter Airlines (Canada) Ltd
19 Aug - 26 Aug FrenchBee
29 Aug - 05 Sep Air Transat
18 Aug - 25 Aug FrenchBee
05 Aug - 01 Sep FrenchBee
22 Aug - 31 Aug Air Transat
24 Aug - 31 Aug Air Transat
17 Aug - 24 Aug FrenchBee
22 Aug - 29 Aug Air Transat
21 Aug - 28 Aug Air Transat
23 Aug - 30 Aug Porter Airlines (Canada) Ltd
20 Aug - 27 Aug Air Transat
22 Aug - 30 Aug KLM

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

Skyscanner

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.

Book a cheap hotel in Sofia

Cheap car rent in Sofia

Feel free to contact us with any feedback or request another flight research.