Cheapest return EWR–SJO flights, May

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

Return flights

27 May - 06 Jun Arajet
27 May - 02 Jun Arajet
13 May - 19 May Arajet
24 May - 29 May Spirit Airlines
18 May - 28 May Spirit Airlines
06 May - 09 May Arajet
06 May - 13 May Arajet
20 May - 28 May Frontier Airlines
06 May - 19 May Arajet
06 May - 23 May Arajet
07 May - 14 May American Airlines
05 May - 09 May United
31 May - 06 Jun Spirit Airlines
30 May - 04 Jun United
29 May - 23 Jun United
27 May - 07 Jun Arajet
27 May - 04 Jun Arajet
31 May - 10 Jun Breeze Airways
24 May - 13 Jun Breeze Airways
27 May - 01 Jun Arajet

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

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