Cheapest return flights from Newark to San Jose in August from $324

Best time to book flights for Newark (EWR) to San Jose (SJO) flights at AirHint

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

Return flights

09 Aug - 15 Aug American Airlines
10 Aug - 14 Aug American Airlines
18 Aug - 25 Aug American Airlines
03 Aug - 19 Aug American Airlines
28 Aug - 01 Sep American Airlines
13 Aug - 27 Aug American Airlines
09 Aug - 16 Aug Frontier Airlines
16 Aug - 26 Aug Frontier Airlines
18 Aug - 24 Aug American Airlines
04 Aug - 09 Aug jetBlue
29 Aug - 05 Sep Aeromexico
29 Aug - 06 Sep Aeromexico
13 Aug - 13 Aug jetBlue
29 Aug - 01 Sep Aeromexico
25 Aug - 03 Sep Delta
26 Aug - 08 Sep Delta
22 Aug - 05 Sep Delta
28 Aug - 01 Sep United direct
20 Aug - 05 Sep Delta
29 Aug - 07 Sep Delta

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

Skyscanner

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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