Cheapest one-way flights from Montreal to San Juan in December from 150€

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

One-Way flights

07 Dec United
11 Dec United
14 Dec WestJet
13 Dec Air Transat
28 Dec Porter Airlines (Canada) Ltd
20 Dec Porter Airlines (Canada) Ltd
27 Dec Porter Airlines (Canada) Ltd
28 Dec Air Canada direct
25 Dec Porter Airlines (Canada) Ltd
21 Dec Air Transat direct

Also check the deals for return flights from Montreal to San Juan in December.

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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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