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Cheapest one-way flights from Newark (EWR) to San Jose (SJO), September

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Dates, airline, and price
Dates	Airline	Price
12 Sep	Delta
11 Sep	Delta
17 Sep	United
27 Sep	United
05 Sep	United Direct Flight
15 Sep	Air Canada
04 Sep	Air Canada
12 Sep	United Direct Flight
03 Sep	United Direct Flight
11 Sep	United Direct Flight

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

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Updated Jul 25, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Newark (EWR) to San Jose (SJO), September

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