The address of the Frontier Airlines Chicago office is 5700 S Cicero Ave., Chicago, IL 60638 (or, for airport-related services, Terminal 5 of Chicago O’Hare International Airport).
Travelers can contact the office by phone at 1-801-401-9000 or by email at customer.service@flyfrontier.com. The office is open around-the-clock. This office is the first choice for anyone flying with Frontier through Chicago for assistance with reservations, cancellations, luggage problems, refunds, and general customer service.
| Item | Info (Chicago / Illinois) |
|---|---|
| Office Address | 5700 S Cicero Ave, Chicago, IL 60638, United States |
| Airport Office Address | International Terminal 5, Chicago IL 60666 (at Chicago O’Hare International Airport, ORD) |
| Contact Phone Number | +1 (801) 401‑9000 |
| Email ID | customer.service@flyfrontier.com |
| Official Website | www.flyfrontier.com |
| Airport | Chicago Midway International Airport (MDW) |
| Terminal at Midway | MDW has a single terminal building with three concourses — A, B, and C. Frontier flights at MDW use that terminal. |
| Working Hours | 24 hours / 7 days a week (Daily) |
| Baggage Allowance / Baggage Information | Baggage allowance and baggage options depend on fare / add‑on choices. Frontier does not have free baggage allowance as standard — they charge for carry‑on or checked bags depending on ticket type. website: www.flyfrontier.com/travel/travel-info/bag-options |
| Check‑in Area / Online Check‑in | Online check-in. At airport: check‑in counters / kiosks at MDW / ORD as per regular airport procedure. |
| Special Services | Yes — Frontier allows wheelchairs, mobility devices (manual or electric), walkers, canes, crutches either in cabin or cargo depending on size/weight. Medicines and medical devices permitted if carried in carry-on or checked‑bag (per device type). |
| Parking Areas / Airport Parking Info | For MDW: There is parking connected to the terminal building; parking garage located just below/behind terminal (typical for MDW). |
| Smoking Area | Chicago Midway International Airport (MDW) is completely smokefree indoors, including e-cigarettes, so you must go outside the terminal to designated areas, usually near arrivals/departures curbside, for smoking, requiring you to exit security for a smoke break. |
| Security / Security Services | At MDW: there is a main security checkpoint for all passengers before concourses. Frontier participates with usual airport security procedures (TSA screening, carry‑on/liquid/Electronics rules) as per their travel policies. |
| Special Meals / In‑flight Meals | Frontier sells snacks and meals onboard (hot‑meals, snack‑packs, light snacks) — but meals are paid, not complimentary. |
From a convenient location in Chicago and at O’Hare Airport, Frontier’s Chicago headquarters provides 24-hour customer service. This office strives to provide travelers with prompt service and flexibility, whether they need to book flights, change arrangements, report luggage difficulties, or seek general assistance.