Cheapest return flights from Montreal to Sofia in December from $944

Best time to book flights for Montreal (YUL) to Sofia (SOF) flights at AirHint

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

Return flights

03 Dec - 10 Dec Turkish Airlines
05 Dec - 12 Dec Turkish Airlines
07 Dec - 14 Dec Turkish Airlines
28 Dec - 04 Jan FrenchBee
08 Dec - 15 Dec Lufthansa
01 Dec - 08 Dec Lufthansa
02 Dec - 09 Dec Air Canada
09 Dec - 16 Dec Air Canada
10 Dec - 17 Dec Air Canada
04 Dec - 11 Dec Austrian Airlines
11 Dec - 18 Dec Austrian Airlines
31 Dec - 07 Jan Air Canada
04 Dec - 07 Jan Austrian Airlines
30 Dec - 06 Jan Austrian Airlines
29 Dec - 05 Jan Lufthansa
25 Dec - 01 Jan Austrian Airlines
27 Dec - 03 Jan SWISS
26 Dec - 02 Jan Air Canada

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

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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