Cheapest one-way flights from Chicago to San Juan in August from 84€

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

One-Way flights

16 Aug Spirit Airlines
19 Aug Spirit Airlines
30 Aug Frontier Airlines
09 Aug Frontier Airlines
23 Aug Frontier Airlines
12 Aug Frontier Airlines
10 Aug Spirit Airlines direct
26 Aug Spirit Airlines direct
17 Aug Spirit Airlines direct
31 Aug Spirit Airlines direct

Also check the deals for return flights from Chicago to San Juan 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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