Frontier Airlines has recently moved to Terminal 5. The airlines have ticket counters, baggage carousels, and gates at Terminal 5. Passengers flying within the US will claim their luggage at Baggage Carousel N10 in the lower level of Terminal 5. The airline has codeshare flights with Volaris. Destinations from O’Hare with Frontier Airlines include Jacksonville, Tampa, Phoenix, Saint Louis, Orlando, Denver, Fort Myers, Las Vegas, Mexico City, Cancun, Punta Cana, and others.
Phone number of Frontier Airlines: 1-801-401-9000
Official Website: https://www.flyfrontier.com/