$93 Cheap Spirit Airlines flights San Juan (SJU) to Chicago (ORD)

Finding cheap one-way Spirit Airlines flights from SJU to ORD from $93 on Expedia is a cinch --- just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $198 for your next exciting vacation.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Snagging the best Spirit Airlines deals from SJU to ORD often comes down to booking at the right time. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. Better yet, you can pocket 17% on average by buying your fare on a Sunday rather than a Friday, which is usually the most expensive day to book.* It's a good idea to start checking out flights about one month before your travel dates.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

The earliest Spirit Airlines flight from SJU to ORD departs at 9:26PM UTC-4, landing at 12:51AM UTC-6. If you want to head off later in the day, the last Spirit Airlines flight leaves SJU at 9:26PM UTC-4 and touches down at ORD at 12:51AM UTC-6. Flying early is generally a smart option as morning and mid-morning flights tend to experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

Offering a rewarding loyalty program, Spirit Airlines is a top choice for many travelers heading from SJU to ORD. Plus, if you're a Free Spirit and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.