Cheapest one-way flights from Newark to San Jose in January from 79€

AirHint found the following cheapest one-way flights from Newark (EWR) to San Jose (SJO) in January 2026 (see full year).

One-Way flights

28 Jan Spirit Airlines
07 Jan Spirit Airlines
27 Jan Spirit Airlines
13 Jan Spirit Airlines
14 Jan Spirit Airlines
25 Jan Spirit Airlines
30 Jan Spirit Airlines
24 Jan Spirit Airlines
31 Jan Spirit Airlines
26 Jan Spirit Airlines

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

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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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