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

Return flights

31 Aug - 24 Sep	jetBlue	direct
31 Aug - 08 Sep	jetBlue
31 Aug - 05 Sep	jetBlue
31 Aug - 07 Sep	jetBlue
31 Aug - 06 Sep	jetBlue
29 Aug - 06 Sep	jetBlue
30 Aug - 06 Sep	Avianca
25 Aug - 01 Sep	jetBlue
30 Aug - 03 Sep	Copa
27 Aug - 03 Sep	Avianca
26 Aug - 29 Aug	Copa
26 Aug - 31 Aug	Copa
25 Aug - 31 Aug	Copa
22 Aug - 25 Aug	Copa
22 Aug - 24 Aug	Copa
22 Aug - 29 Aug	Avianca
24 Aug - 27 Aug	Copa
24 Aug - 30 Aug	Copa
26 Aug - 30 Aug	Copa
22 Aug - 31 Aug	Copa

Also check the deals for one-way flights from New York 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.

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Cheapest return flights from New York to San Jose in August from $236

Return flights