AirHint found the following cheapest return flights from Newark (EWR) to San Jose (SJO) in August 2026 (see full year).

Return flights

25 Aug - 01 Sep	American Airlines
09 Aug - 23 Aug	Arajet
03 Aug - 10 Aug	United
17 Aug - 26 Aug	United
14 Aug - 21 Aug	United
08 Aug - 22 Aug	jetBlue
10 Aug - 25 Aug	United
07 Aug - 25 Aug	jetBlue
08 Aug - 23 Aug	jetBlue
08 Aug - 25 Aug	jetBlue
10 Aug - 24 Aug	jetBlue

Also check the deals for one-way flights from Newark 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 Newark to San Jose in August from 281€

Return flights