$84 Cheap Frontier Airlines flights Chicago (ORD) to Phoenix (PHX)

Set the “Price (lowest to highest)” filter on Expedia to find cheap Frontier Airlines round-trip flights from $163 from ORD to PHX. Affordable one-way options from $84 are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines flights to Phoenix are often more affordable in the low-season months of July and August. Whether you’re after a one-way or round-trip ticket, you could score a better deal then.

To find cheap Frontier Airlines fares from O’Hare Intl. Airport (ORD) to Sky Harbor Intl. Airport (PHX), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect what you pay. Sunday is typically the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Yes, you can travel from O’Hare Intl. Airport (ORD) to Sky Harbor Intl. Airport (PHX) on any of Frontier Airlines’s 5 direct weekly flights. Use Expedia’s “Nonstop” and “Airline” filters to find the Frontier Airlines flight that’ll arrive at PHX at a time that suits you.

It takes around 4h 16m to travel nonstop from O’Hare Intl. Airport (ORD) to Sky Harbor Intl. Airport (PHX) with Frontier Airlines.

The earliest flight from ORD to PHX with Frontier Airlines leaves at 6:20AM UTC-6. You’ll touch down at 9:33AM UTC-7. The final Frontier Airlines flight of the day leaves at 8:46PM UTC-6 and arrives at 12:09AM UTC-7. With approximately 20% fewer cancellations for early and mid-morning flights, setting off early is typically the smartest choice.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Board a Frontier Airlines flight from O’Hare Intl. Airport (ORD) to Phoenix, and you’ll likely come in to Sky Harbor Intl. Airport (PHX). This is the airline’s primary hub here.

With a rewarding loyalty program, Frontier Airlines is a popular choice for many passengers flying from ORD to PHX. Plus, if you’re a Frontier Miles and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Frontier Airlines generally uses Airbus A321 planes for flights from O’Hare Intl. Airport (ORD) to Sky Harbor Intl. Airport (PHX). This carrier also operates the Airbus A320neo on this route. Keep in mind that aircraft type can change depending on operational reasons, so the plane you catch might be different on the day you travel.

Changes are typically free within 24 hours of making a booking, but your airline may charge you after that. For further information about modifying your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to update your itinerary without additional charges, apply the “No cancel fee” or “Changes included” filter when organizing your trip.