Cheapest return flights from Montreal to San Juan in December from $444

Best time to book flights for Montreal (YUL) to San Juan (SJU) flights at AirHint

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

Return flights

06 Dec - 13 Dec Air Canada
06 Dec - 14 Dec Air Canada
03 Dec - 10 Dec United
02 Dec - 09 Dec United
14 Dec - 21 Dec Air Canada
05 Dec - 12 Dec United
03 Dec - 17 Dec United
07 Dec - 14 Dec Air Canada
13 Dec - 20 Dec Air Canada
10 Dec - 17 Dec United
31 Dec - 14 Jan WestJet
31 Dec - 15 Jan WestJet
31 Dec - 16 Jan WestJet
24 Dec - 15 Jan WestJet
29 Dec - 05 Jan WestJet
15 Dec - 05 Jan WestJet
25 Dec - 01 Jan WestJet
30 Dec - 06 Jan WestJet
28 Dec - 04 Jan WestJet
28 Dec - 04 Jan Air Transat direct

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