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

Return flights

27 Aug - 10 Sep	United	direct
26 Aug - 09 Sep	United
30 Aug - 13 Sep	United
31 Aug - 08 Sep	jetBlue	direct
25 Aug - 08 Sep	Avianca
11 Aug - 13 Aug	Avianca
11 Aug - 15 Aug	Avianca
22 Aug - 24 Aug	Avianca
17 Aug - 24 Aug	Avianca
20 Aug - 27 Aug	Avianca
28 Aug - 11 Sep	United
13 Aug - 22 Aug	Avianca
26 Aug - 03 Sep	American Airlines
20 Aug - 26 Aug	Avianca
16 Aug - 29 Aug	Avianca
30 Aug - 07 Sep	Delta
25 Aug - 07 Sep	Avianca
06 Aug - 11 Aug	Avianca
23 Aug - 27 Aug	Avianca
25 Aug - 07 Sep	jetBlue	direct

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 $262

Return flights