Cheapest return flights from Montreal to Sofia in May from 745€

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

Return flights

04 May - 11 May FrenchBee
12 May - 19 May SWISS
19 May - 26 May SWISS
26 May - 02 Jun SWISS
20 May - 27 May Air Canada
11 May - 18 May Air Canada
27 May - 03 Jun Air Canada
13 May - 20 May Air Canada
03 May - 10 May British Airways
18 May - 25 May SWISS
24 May - 31 May Air Canada
17 May - 24 May Air Canada
25 May - 01 Jun Air Canada
31 May - 07 Jun Air Canada
28 May - 04 Jun Air Canada
29 May - 05 Jun Air Canada
30 May - 06 Jun Air Canada

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

Skyscanner

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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