Cheapest return YUL–SOF flights, December

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

Return flights

06 Dec - 13 Dec Turkish Airlines
16 Dec - 23 Dec Air Canada
02 Dec - 09 Dec Air Transat
07 Dec - 14 Dec Air Canada
15 Dec - 22 Dec Lufthansa
30 Dec - 06 Jan Air Canada
08 Dec - 15 Dec Air France
01 Dec - 08 Dec Air France
14 Dec - 21 Dec Air Canada
13 Dec - 20 Dec Air Canada
31 Dec - 07 Jan Air Canada
03 Dec - 10 Dec Austrian Airlines
27 Dec - 03 Jan Air Canada
28 Dec - 04 Jan Air Canada
29 Dec - 05 Jan Air Canada
26 Dec - 02 Jan Air Canada
25 Dec - 01 Jan Air Canada

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

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