Cheapest one-way flights from Chicago to San Juan in August from 83€

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

One-Way flights

10 Aug Frontier Airlines
18 Aug Frontier Airlines
11 Aug Frontier Airlines
25 Aug Spirit Airlines
12 Aug Frontier Airlines
24 Aug Spirit Airlines
25 Aug Spirit Airlines direct
01 Aug Frontier Airlines
09 Aug Spirit Airlines direct
16 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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