Cheapest return flights from Chicago to San Jose in April from $331

Best time to book flights for Chicago (ORD) to San Jose (SJO) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to San Jose (SJO) in April 2025 (see full year).

Return flights

29 Apr - 20 May Spirit Airlines
14 Apr - 22 Apr Spirit Airlines
26 Apr - 17 May Spirit Airlines
10 Apr - 17 Apr Spirit Airlines
09 Apr - 15 Apr Spirit Airlines
03 Apr - 06 Apr jetBlue
10 Apr - 14 Apr Spirit Airlines
11 Apr - 15 Apr Frontier Airlines
19 Apr - 27 Apr Spirit Airlines
05 Apr - 11 Apr Spirit Airlines
26 Apr - 17 May United direct

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

Skyscanner

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