Cheapest one-way EWR–SJO flights, June

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

One-Way flights

03 Jun Arajet
13 Jun Frontier Airlines
03 Jun United direct
04 Jun United direct
17 Jun Arajet
06 Jun Frontier Airlines
19 Jun Frontier Airlines
05 Jun United direct
14 Jun United direct
02 Jun Air Canada

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

Powered by

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.