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

Return flights

14 Aug - 21 Aug	Copa
17 Aug - 20 Aug	Avianca
29 Aug - 01 Sep	Avianca
18 Aug - 21 Aug	Avianca
06 Aug - 11 Aug	Avianca
25 Aug - 05 Sep	Avianca
14 Aug - 21 Aug	Avianca	direct
18 Aug - 22 Aug	Avianca
15 Aug - 21 Aug	Avianca	direct
29 Aug - 07 Sep	Avianca
18 Aug - 21 Aug	Avianca	direct
01 Aug - 07 Aug	Avianca	direct
01 Aug - 04 Aug	Avianca
29 Aug - 01 Sep	Avianca	direct
22 Aug - 06 Sep	Spirit Airlines
17 Aug - 06 Sep	Spirit Airlines
18 Aug - 06 Sep	Spirit Airlines
22 Aug - 11 Sep	Spirit Airlines
22 Aug - 10 Sep	Spirit Airlines

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

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.

Book a cheap hotel in San Jose

Cheap car rent in San Jose

Cheapest return flights from San Juan to San Jose in August from $216

Return flights