Cheapest return flights from Montreal to Sofia in May from 583€

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

Return flights

29 May - 16 Jun WestJet
27 May - 03 Jun FrenchBee
13 May - 24 May FrenchBee
18 May - 05 Jun FrenchBee
26 May - 02 Jun Air Transat
13 May - 27 May FrenchBee
17 May - 24 May FrenchBee
13 May - 20 May FrenchBee
19 May - 26 May WestJet
03 May - 10 May FrenchBee
29 May - 05 Jun WestJet
18 May - 25 May FrenchBee
31 May - 07 Jun WestJet
20 May - 27 May FrenchBee
06 May - 13 May FrenchBee
10 May - 17 May FrenchBee
25 May - 01 Jun FrenchBee
28 May - 04 Jun WestJet
30 May - 06 Jun WestJet
16 May - 06 Jun Air Transat

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

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