Cheapest one-way flights from Chicago to San Jose in August from 123€

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

One-Way flights

27 Aug Southwest Airlines
21 Aug Spirit Airlines
18 Aug Spirit Airlines
06 Aug Spirit Airlines
13 Aug Spirit Airlines
09 Aug Frontier Airlines
02 Aug Frontier Airlines
04 Aug Spirit Airlines
11 Aug Spirit Airlines
07 Aug Spirit Airlines

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

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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