Cheapest return flights from Montreal to San Juan in December from 242€

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

Return flights

10 Dec - 17 Dec United
03 Dec - 10 Dec United
09 Dec - 16 Dec United
04 Dec - 11 Dec United
08 Dec - 15 Dec United
05 Dec - 12 Dec United
17 Dec - 24 Dec United
07 Dec - 14 Dec Porter Airlines (Canada) Ltd
14 Dec - 21 Dec Air Transat
11 Dec - 20 Dec WestJet
31 Dec - 07 Jan United
30 Dec - 06 Jan Porter Airlines (Canada) Ltd
23 Dec - 20 Jan WestJet
29 Dec - 05 Jan WestJet
27 Dec - 03 Jan WestJet
28 Dec - 04 Jan Air Transat direct
21 Dec - 04 Jan Air Transat
28 Dec - 05 Jan WestJet
21 Dec - 04 Jan Air Transat direct
26 Dec - 01 Jan WestJet

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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