Cheapest one-way flights from San Juan to San Jose in September from 83€

AirHint found the following cheapest one-way flights from San Juan (SJU) to San Jose (SJO) in September 2025 (see full year).

One-Way flights

05 Sep Avianca direct
29 Sep Spirit Airlines
26 Sep Spirit Airlines
23 Sep Spirit Airlines
02 Sep Spirit Airlines
01 Sep Spirit Airlines

Also check the deals for return flights from San Juan to San Jose in September.

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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