Cheapest return flights from Montreal to San Jose in December from $400

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

Return flights

01 Dec - 11 Dec Porter Airlines (Canada) Ltd
02 Dec - 16 Dec United
06 Dec - 13 Dec United
05 Dec - 19 Dec Air Transat
09 Dec - 16 Dec Air Canada
03 Dec - 10 Dec United
05 Dec - 12 Dec United
02 Dec - 04 Dec Avianca
03 Dec - 11 Dec Air Transat direct
02 Dec - 09 Dec United
15 Dec - 09 Jan Air Canada
31 Dec - 21 Jan Air Canada
31 Dec - 28 Jan United
30 Dec - 18 Jan Air Transat
12 Dec - 12 Jan Avianca
31 Dec - 12 Jan Avianca
31 Dec - 31 Jan United
24 Dec - 11 Jan Air Transat
29 Dec - 15 Jan Air Transat
30 Dec - 08 Jan Air Canada

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

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