Cheapest return flights from Montreal to San Juan in January from $295

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

Return flights

06 Jan - 18 Jan WestJet
26 Jan - 30 Jan American Airlines
12 Jan - 18 Jan Porter Airlines (Canada) Ltd
18 Jan - 01 Feb Porter Airlines (Canada) Ltd
25 Jan - 01 Feb Air Transat
11 Jan - 18 Jan Porter Airlines (Canada) Ltd
18 Jan - 25 Jan Porter Airlines (Canada) Ltd
29 Jan - 08 Feb Porter Airlines (Canada) Ltd
30 Jan - 08 Feb Porter Airlines (Canada) Ltd
09 Jan - 18 Jan Porter Airlines (Canada) Ltd
12 Jan - 22 Jan Porter Airlines (Canada) Ltd
06 Jan - 13 Jan United
20 Jan - 29 Jan United
12 Jan - 23 Jan United
30 Jan - 28 Feb United
30 Jan - 07 Feb United
26 Jan - 05 Feb United
29 Jan - 06 Feb United
28 Jan - 06 Feb United
28 Jan - 07 Feb United

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

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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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