Cheapest one-way flights from Montreal to Sofia in September from 251€

AirHint found the following cheapest one-way flights from Montreal (YUL) to Sofia (SOF) in September 2025 (see full year).

One-Way flights

01 Sep FrenchBee
02 Sep Porter Airlines (Canada) Ltd
15 Sep Porter Airlines (Canada) Ltd
08 Sep FrenchBee
03 Sep FrenchBee
04 Sep Air Transat

Also check the deals for return flights from Montreal to Sofia in September.

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.

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