Cheapest return EWR–SJO flights, July

AirHint found the following cheapest return flights from Newark (EWR) to San Jose (SJO) in July 2026 (see full year).

Return flights

04 Jul - 09 Jul Frontier Airlines
08 Jul - 18 Jul Frontier Airlines
08 Jul - 22 Jul Frontier Airlines
26 Jul - 06 Aug Spirit Airlines
27 Jul - 06 Aug Spirit Airlines
25 Jul - 28 Jul Frontier Airlines
03 Jul - 05 Jul Spirit Airlines
27 Jul - 02 Aug Spirit Airlines
26 Jul - 02 Aug Spirit Airlines
09 Jul - 12 Jul Spirit Airlines
08 Jul - 15 Jul Frontier Airlines
29 Jul - 08 Aug Spirit Airlines
04 Jul - 18 Jul Frontier Airlines
09 Jul - 29 Jul Spirit Airlines
01 Jul - 15 Jul Arajet
26 Jul - 07 Aug jetBlue
29 Jul - 07 Aug Spirit Airlines
29 Jul - 09 Aug Spirit Airlines
27 Jul - 07 Aug Spirit Airlines
28 Jul - 06 Aug Frontier Airlines

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

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