Cheapest return flights from Montreal to Sofia in September from $824

Best time to book flights for Montreal (YUL) to Sofia (SOF) flights at AirHint

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

Return flights

24 Sep - 01 Oct Air Transat
04 Sep - 11 Sep Condor
17 Sep - 24 Sep Condor
18 Sep - 25 Sep Condor
03 Sep - 10 Sep Condor
06 Sep - 13 Sep Condor
09 Sep - 16 Sep Condor
11 Sep - 18 Sep Condor
13 Sep - 20 Sep Condor
16 Sep - 23 Sep Condor
20 Sep - 27 Sep Condor
25 Sep - 02 Oct Condor
30 Sep - 07 Oct Condor
27 Sep - 04 Oct Air Transat
29 Sep - 06 Oct Air France
26 Sep - 03 Oct Condor
28 Sep - 05 Oct Condor

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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