Cheapest return flights from Montreal to San Juan in January from $301

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 January 2026 (see full year).

Return flights

27 Jan - 03 Feb United
28 Jan - 04 Feb United
20 Jan - 27 Jan United
14 Jan - 21 Jan United
18 Jan - 25 Jan Air Canada direct
25 Jan - 01 Feb Air Canada
17 Jan - 24 Jan Air Canada
24 Jan - 31 Jan Air Canada
31 Jan - 07 Feb Air Canada
11 Jan - 18 Jan Air Transat direct
26 Jan - 02 Feb United
23 Jan - 30 Jan Air Canada
10 Jan - 17 Jan Air Canada
13 Jan - 20 Jan United
22 Jan - 29 Jan United
25 Jan - 01 Feb Air Transat direct

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

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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan