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

Return flights

21 Oct - 22 Oct	United
15 Oct - 28 Oct	United
07 Oct - 21 Oct	United
14 Oct - 23 Oct	United
21 Oct - 31 Oct	United
15 Oct - 21 Oct	United
14 Oct - 21 Oct	United
28 Oct - 07 Nov	United
28 Oct - 05 Nov	United
28 Oct - 04 Nov	United
15 Oct - 05 Nov	United
14 Oct - 04 Nov	United
28 Oct - 18 Nov	United
29 Oct - 19 Nov	United
21 Oct - 03 Nov	United
08 Oct - 22 Oct	United
28 Oct - 11 Nov	United
01 Oct - 22 Oct	United
01 Oct - 08 Oct	United
22 Oct - 04 Nov	United

Also check the deals for one-way flights from Quebec 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 Quebec to San Juan in October from 237€

Return flights