Cheapest return flights from Montreal to Sofia in September from 538€
AirHint found the following cheapest return flights from Montreal (YUL) to Sofia (SOF)
in September 2025 (see full year ).
Return flights
16 Sep
- 23 Sep
Porter Airlines (Canada) Ltd
538 €
09 Sep
- 16 Sep
Air Transat
543 €
02 Sep
- 09 Sep
Porter Airlines (Canada) Ltd
544 €
15 Sep
- 22 Sep
FrenchBee
545 €
17 Sep
- 24 Sep
Porter Airlines (Canada) Ltd
550 €
28 Sep
- 05 Oct
FrenchBee
556 €
22 Sep
- 29 Sep
FrenchBee
561 €
25 Sep
- 02 Oct
Air Transat
562 €
14 Sep
- 21 Sep
FrenchBee
567 €
03 Sep
- 10 Sep
FrenchBee
567 €
21 Sep
- 28 Sep
FrenchBee
567 €
19 Sep
- 28 Sep
FrenchBee
569 €
30 Sep
- 07 Oct
Porter Airlines (Canada) Ltd
570 €
29 Sep
- 06 Oct
FrenchBee
579 €
24 Sep
- 01 Oct
Porter Airlines (Canada) Ltd
603 €
26 Sep
- 03 Oct
FrenchBee
623 €
27 Sep
- 04 Oct
Air Transat
624 €
Also check the deals for one-way flights from Montreal to Sofia in September .
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.
Find us on social media
Feel free to contact us with any feedback or request another flight research.
Find us on social media