Cheapest one-way flights from Chicago to San Juan in July from $95

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

One-Way flights

22 Jul Spirit Airlines
12 Jul Frontier Airlines
15 Jul Frontier Airlines
16 Jul Frontier Airlines
05 Jul Frontier Airlines
08 Jul Spirit Airlines
01 Jul jetBlue
14 Jul Spirit Airlines
18 Jul Frontier Airlines
11 Jul Frontier Airlines

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

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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