Cheapest one-way flights from Cancun to San Juan in October from $135

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

One-Way flights

20 Oct Arajet
11 Oct Arajet
02 Oct Frontier Airlines
16 Oct Frontier Airlines
23 Oct Frontier Airlines
30 Oct Frontier Airlines
31 Oct Frontier Airlines
05 Oct Frontier Airlines
24 Oct Frontier Airlines
03 Oct Copa

Also check the deals for return 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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

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