Cheapest return flights from Chicago to San Jose in May from 279€

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

Return flights

10 May - 15 May Spirit Airlines
02 May - 15 May Spirit Airlines
14 May - 24 May Spirit Airlines
16 May - 21 May Spirit Airlines
14 May - 17 May Frontier Airlines
07 May - 14 May Spirit Airlines
14 May - 29 May Spirit Airlines
11 May - 15 May Spirit Airlines
22 May - 30 May Frontier Airlines
11 May - 24 May Spirit Airlines
15 May - 15 Jun Frontier Airlines
22 May - 11 Jun Spirit Airlines
08 May - 26 Jun Spirit Airlines
28 May - 11 Jun Spirit Airlines
08 May - 24 Jun Spirit Airlines
28 May - 12 Jun Spirit Airlines
19 May - 02 Jun Southwest Airlines
28 May - 15 Jun Spirit Airlines

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

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