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

05 Sep - 12 Sep Avianca
05 Sep - 14 Sep Avianca
23 Sep - 26 Sep Avianca
26 Sep - 29 Sep Avianca
26 Sep - 02 Oct Avianca
30 Sep - 03 Oct Avianca
29 Sep - 02 Oct Avianca direct
01 Sep - 05 Sep Avianca
21 Sep - 26 Sep Avianca
23 Sep - 29 Sep Spirit Airlines
29 Sep - 06 Oct Spirit Airlines
23 Sep - 06 Oct Spirit Airlines
23 Sep - 02 Oct Spirit Airlines
21 Sep - 29 Sep Spirit Airlines
30 Sep - 06 Oct Spirit Airlines
30 Sep - 02 Oct Spirit Airlines
21 Sep - 06 Oct Spirit Airlines
21 Sep - 02 Oct Spirit Airlines
21 Sep - 23 Sep Spirit Airlines
01 Sep - 18 Sep 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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