Cheapest return flights from San Jose to San Juan in September from 180€

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

Return flights

19 Sep - 28 Sep Avianca
19 Sep - 27 Sep Avianca
01 Sep - 05 Sep Avianca direct
13 Sep - 17 Sep Copa
15 Sep - 19 Sep Copa
06 Sep - 13 Sep Copa
04 Sep - 12 Sep Copa
05 Sep - 11 Sep Avianca
05 Sep - 13 Sep Avianca
15 Sep - 19 Sep Avianca direct
19 Sep - 10 Oct Spirit Airlines

Also check the deals for one-way flights from San Jose to San Juan 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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