Cheapest return flights from Montreal to Sofia in May from 648€

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

Return flights

03 May - 10 May British Airways
10 May - 17 May British Airways
04 May - 11 May FrenchBee
05 May - 12 May Brussels Airlines
06 May - 13 May Brussels Airlines
13 May - 20 May Air Transat
12 May - 19 May Brussels Airlines
21 May - 28 May Brussels Airlines
28 May - 04 Jun Brussels Airlines
25 May - 01 Jun FrenchBee
02 May - 09 May Condor
14 May - 21 May Condor
26 May - 02 Jun SWISS
27 May - 03 Jun Air Canada
29 May - 05 Jun Air Canada
22 May - 05 Jun Lufthansa
30 May - 06 Jun Air Canada

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

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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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