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

Return flights

27 Nov - 04 Dec	British Airways
09 Nov - 16 Nov	TAP
13 Nov - 20 Nov	British Airways
20 Nov - 27 Nov	British Airways
21 Nov - 28 Nov	FrenchBee
07 Nov - 14 Nov	FrenchBee
05 Nov - 12 Nov	FrenchBee
04 Nov - 11 Nov	Porter Airlines (Canada) Ltd
06 Nov - 13 Nov	Air Transat
16 Nov - 23 Nov	FrenchBee
18 Nov - 25 Nov	Air Transat
28 Nov - 20 Dec	FrenchBee
26 Nov - 03 Dec	FrenchBee
28 Nov - 05 Dec	FrenchBee
30 Nov - 07 Dec	FrenchBee
29 Nov - 06 Dec	Air Transat
25 Nov - 02 Dec	Air Transat
24 Nov - 01 Dec	Air France

Also check the deals for one-way flights from Montreal to Sofia in November.

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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Cheapest return flights from Montreal to Sofia in November from 581€

Return flights