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

Return flights

24 Oct - 30 Oct	United
28 Oct - 02 Nov	United
24 Oct - 28 Oct	United
24 Oct - 02 Nov	United
11 Oct - 20 Oct	United
11 Oct - 19 Oct	United
10 Oct - 20 Oct	United
10 Oct - 19 Oct	United
25 Oct - 09 Nov	United

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

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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Cheapest return flights from Toronto to San Juan in October from 238€

Return flights