Frontier Airlines Terminal ORD +1-888-839-0502 Hello! Just thought I'd post about my Frontier Airlines Terminal ORD flight out of O'Hare. I was actually a bit apprehensive since I'd heard disparate things, but it went very well. The terminal space was clean and uncomplicated to maneuver. Security was faster than I anticipated for a bustling airport like. The only negative was that there were no charging outlets around the gates. Otherwise, though, staff were polite, and boarding was seamless. The flight left on time, which was a huge plus. It’s a budget option, if you’re looking to travel affordably, this terminal does the trick. visit us......See More