AirHint found the following cheapest return flights from Montreal (YUL) to Sofia (SOF) in June 2026 (see full year).

Return flights

17 Jun - 24 Jun	FrenchBee
18 Jun - 25 Jun	Air Transat
04 Jun - 11 Jun	Air Transat
02 Jun - 09 Jun	FrenchBee
14 Jun - 21 Jun	FrenchBee
03 Jun - 10 Jun	FrenchBee
01 Jun - 08 Jun	TAP
07 Jun - 14 Jun	FrenchBee
03 Jun - 17 Jun	FrenchBee
15 Jun - 22 Jun	FrenchBee
28 Jun - 05 Jul	FrenchBee
24 Jun - 01 Jul	FrenchBee
30 Jun - 07 Jul	FrenchBee
25 Jun - 02 Jul	Air Transat
26 Jun - 03 Jul	FrenchBee
29 Jun - 06 Jul	FrenchBee
27 Jun - 04 Jul	Air Transat

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

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 June from 544€

Return flights