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

Return flights

27 Aug - 10 Sep	United
28 Aug - 11 Sep	United
12 Aug - 17 Aug	United
30 Aug - 13 Sep	United
15 Aug - 18 Aug	United
14 Aug - 18 Aug	United
21 Aug - 26 Aug	Spirit Airlines
06 Aug - 13 Aug	Spirit Airlines
06 Aug - 26 Aug	Spirit Airlines
06 Aug - 21 Aug	Spirit Airlines
06 Aug - 20 Aug	Spirit Airlines
06 Aug - 19 Aug	Spirit Airlines
23 Aug - 26 Aug	Spirit Airlines
23 Aug - 04 Sep	Spirit Airlines
21 Aug - 03 Sep	Spirit Airlines
23 Aug - 03 Sep	Spirit Airlines
24 Aug - 03 Sep	United
19 Aug - 03 Sep	Spirit Airlines
19 Aug - 04 Sep	Spirit Airlines
20 Aug - 03 Sep	Spirit Airlines

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