Cheapest return flights from Cancun to San Juan in October from $376

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

Return flights

02 Oct - 18 Oct Spirit Airlines
15 Oct - 18 Oct Spirit Airlines
05 Oct - 18 Oct Spirit Airlines
22 Oct - 04 Nov Spirit Airlines
15 Oct - 04 Nov Spirit Airlines
29 Oct - 04 Nov Spirit Airlines
22 Oct - 27 Oct Spirit Airlines
15 Oct - 27 Oct Spirit Airlines
22 Oct - 10 Nov Spirit Airlines
29 Oct - 10 Nov Spirit Airlines
29 Oct - 17 Nov Spirit Airlines
16 Oct - 18 Oct Spirit Airlines
16 Oct - 04 Nov Spirit Airlines
30 Oct - 04 Nov Spirit Airlines
02 Oct - 17 Oct Spirit Airlines
02 Oct - 16 Oct Spirit Airlines
22 Oct - 24 Oct Spirit Airlines
22 Oct - 30 Oct Spirit Airlines
22 Oct - 06 Nov Spirit Airlines
29 Oct - 14 Nov Spirit Airlines

Also check the deals for one-way flights from Cancun 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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