Cheapest return flights from Montreal to San Juan in December from $430

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

07 Dec - 14 Dec Air Canada
14 Dec - 21 Dec Air Canada direct
13 Dec - 20 Dec Air Canada
09 Dec - 16 Dec United
02 Dec - 09 Dec United
03 Dec - 10 Dec United
06 Dec - 13 Dec WestJet
08 Dec - 15 Dec WestJet
10 Dec - 17 Dec WestJet
01 Dec - 08 Dec WestJet
29 Dec - 05 Jan WestJet
30 Dec - 06 Jan WestJet
25 Dec - 01 Jan WestJet
26 Dec - 02 Jan WestJet
28 Dec - 04 Jan WestJet
19 Dec - 05 Jan WestJet
27 Dec - 03 Jan WestJet
28 Dec - 04 Jan Air Transat direct
28 Dec - 11 Jan United
26 Dec - 03 Jan United

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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