Cheapest one-way flights from San Juan to Santiago in August from $62

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

One-Way flights

01 Aug Frontier Airlines direct
18 Aug Frontier Airlines direct
19 Aug Frontier Airlines direct
21 Aug Frontier Airlines direct
24 Aug Frontier Airlines direct
26 Aug Frontier Airlines direct
28 Aug Frontier Airlines direct
31 Aug Frontier Airlines direct
03 Aug Spirit Airlines

Also check the deals for return flights from San Juan to Santiago in August.

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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