Cheapest return flights from Montreal to San Juan in October from $278

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

Return flights

26 Oct - 02 Nov United
01 Oct - 08 Oct United
15 Oct - 22 Oct United
17 Oct - 24 Oct United
21 Oct - 28 Oct United
25 Oct - 01 Nov United
27 Oct - 02 Nov United
04 Oct - 11 Oct United
09 Oct - 16 Oct United
29 Oct - 05 Nov United
24 Oct - 31 Oct United
23 Oct - 30 Oct United
27 Oct - 03 Nov United
03 Oct - 10 Oct United
16 Oct - 23 Oct United
30 Oct - 06 Nov United

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

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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