Cheapest one-way flights from Santiago to San Juan in October from 89€

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

One-Way flights

05 Oct Frontier Airlines direct
09 Oct Frontier Airlines direct
16 Oct Frontier Airlines direct
19 Oct Frontier Airlines direct
23 Oct Frontier Airlines direct
26 Oct Frontier Airlines direct
02 Oct Frontier Airlines direct
12 Oct Frontier Airlines direct

Also check the deals for return flights from Santiago 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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