Cheapest return flights from Montreal to Sofia in September from 564€

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

Return flights

02 Sep - 09 Sep Porter Airlines (Canada) Ltd
23 Sep - 30 Sep Porter Airlines (Canada) Ltd
21 Sep - 28 Sep Air Transat
16 Sep - 23 Sep Air Transat
19 Sep - 26 Sep FrenchBee
09 Sep - 16 Sep Air Transat
17 Sep - 24 Sep FrenchBee
11 Sep - 12 Oct Air Transat
11 Sep - 13 Oct Air Transat
20 Sep - 27 Sep Air Transat
01 Sep - 08 Sep Air Transat
30 Sep - 07 Oct Air Transat
14 Sep - 21 Sep Air Transat
24 Sep - 01 Oct Air Transat
25 Sep - 02 Oct Air Transat
11 Sep - 10 Oct Air Transat
29 Sep - 06 Oct FrenchBee
14 Sep - 10 Oct Air Transat
28 Sep - 05 Oct Air Transat
27 Sep - 04 Oct Air Transat

Also check the deals for one-way 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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