Spirit Airlines operates out of Terminal 3 at Chicago O'Hare International Airport. This terminal handles both Domestic and International flights and provides passengers with essential services such as check-in counters, gate areas, and food options. Spirit Airlines offers low-cost travel, so be prepared for additional fees for services like checked bags and seat selection. Spirit O'Hare Terminal is well-equipped with shops, dining options, and amenities to ensure a comfortable experience before your flight.