Cheapest one-way flights from Chicago to San Jose in October from 107€

AirHint found the following cheapest one-way flights from Chicago (ORD) to San Jose (SJO) in October 2025 (see full year).

One-Way flights

08 Oct Spirit Airlines
04 Oct Spirit Airlines
15 Oct Spirit Airlines
02 Oct Spirit Airlines
05 Oct Spirit Airlines
26 Oct Spirit Airlines
14 Oct Spirit Airlines
23 Oct Frontier Airlines
03 Oct Spirit Airlines
01 Oct Spirit Airlines

Also check the deals for return flights from Chicago to San Jose in October.

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.

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