Spirit Airlines operates out of Terminal 3 of Chicago O’Hare International Airport (ORD). Spirit Airlines O’Hare International Airport, noted for its low-cost flights, offers both domestic and international destinations from here. Spirit is a no-frills service that focuses on budget travel. The terminal has vital amenities such as food sellers, bathrooms, and charging stations to make your wait more pleasant. Spirit Airlines’ check-in counters and gates are clearly signposted, and customer service representatives are there to assist with any questions. Arrive early to clear security and spend time in Terminal 3 before leaving.