Cheapest one-way flights from Newark to San Jose in September from $108

AirHint found the following cheapest one-way flights from Newark (EWR) to San Jose (SJO) in September 2025 (see full year).

One-Way flights

04 Sep United direct
17 Sep United direct
27 Sep Delta
28 Sep Delta
29 Sep Delta
30 Sep Delta
07 Sep American Airlines
26 Sep Delta
15 Sep Spirit Airlines
13 Sep Spirit Airlines

Also check the deals for return flights from Newark to San Jose in September.

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.

Book a cheap hotel in San Jose

Cheap car rent in San Jose

Feel free to contact us with any feedback or request another flight research.