Cheapest return flights from Montreal to San Juan in December from $327

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

Return flights

13 Dec - 20 Dec Air Canada
02 Dec - 09 Dec United
06 Dec - 13 Dec Air Canada
13 Dec - 20 Dec Air Canada direct
03 Dec - 10 Dec United
01 Dec - 08 Dec United
08 Dec - 15 Dec United
10 Dec - 17 Dec United
04 Dec - 12 Dec Air Canada
05 Dec - 12 Dec Air Canada
26 Dec - 03 Jan Arajet
20 Dec - 03 Jan Air Transat
31 Dec - 10 Jan Air Transat
20 Dec - 03 Jan Air Transat direct
25 Dec - 01 Jan WestJet

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

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