Cheapest return flights from Montreal to San Juan in December from 475€

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

Return flights

31 Dec - 07 Jan Porter Airlines (Canada) Ltd
28 Dec - 25 Jan Air Transat
28 Dec - 28 Jan United
29 Dec - 07 Jan Air Transat
28 Dec - 25 Jan Air Transat direct
31 Dec - 05 Jan Porter Airlines (Canada) Ltd
28 Dec - 09 Jan Air Transat
28 Dec - 11 Jan Air Transat
27 Dec - 08 Jan United
30 Dec - 06 Jan WestJet

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.