Cheapest return flights from Montreal to San Juan in January from 240€

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

Return flights

24 Jan - 31 Jan United
12 Jan - 23 Jan United
27 Jan - 03 Feb United
17 Jan - 24 Jan United
20 Jan - 27 Jan United
23 Jan - 30 Jan United
31 Jan - 07 Feb United
06 Jan - 14 Jan United
26 Jan - 02 Feb United
07 Jan - 14 Jan United
08 Jan - 15 Jan United
25 Jan - 01 Feb Air Transat
04 Jan - 14 Jan United
29 Jan - 05 Feb United
04 Jan - 11 Jan Air Transat
25 Jan - 08 Feb Air Transat
31 Jan - 08 Feb United
03 Jan - 28 Feb WestJet
01 Jan - 28 Feb WestJet
02 Jan - 28 Feb WestJet

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.

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