Cheapest return flights from Montreal (YUL) to Sofia (SOF), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
30 Sep 07 Oct TAP
29 Sep 06 Oct Air Transat
13 Sep 20 Sep Air Transat
22 Sep 29 Sep Air Transat
15 Sep 22 Sep Porter Airlines (Canada) Ltd
08 Sep 15 Sep Air Transat
30 Sep 15 Oct WestJet
09 Sep 16 Sep FrenchBee
18 Sep 25 Sep FrenchBee
16 Sep 23 Sep FrenchBee
15 Sep 03 Oct Porter Airlines (Canada) Ltd
14 Sep 21 Sep Porter Airlines (Canada) Ltd
24 Sep 01 Oct Air Transat
27 Sep 04 Oct Air Transat
20 Sep 27 Sep Air Transat
17 Sep 24 Sep Air Transat
25 Sep 02 Oct FrenchBee
08 Sep 20 Oct Porter Airlines (Canada) Ltd
28 Sep 05 Oct FrenchBee
26 Sep 03 Oct Air Transat
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deals for one-way flights from Montreal to Sofia in September.

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Updated Aug 25, 2026.

About these fares

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