$81 Cheap Spirit Airlines flights Chicago (ORD) to Phoenix (PHX)

You’ll discover affordable round-trip Spirit Airlines flights from $177 from ORD to PHX by filtering your results from “Price (lowest to highest)” on Expedia. Or search for options from $81 for a one-way trip.**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.

Search for return or one-way flights to Phoenix in July or August. You could find lower fares with Spirit Airlines during these off-season months.

Look for affordable Spirit Airlines flights from O’Hare Intl. Airport (ORD) to Sky Harbor Intl. Airport (PHX) one to three months ahead of your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and journey, the best day to book a domestic flight is usually Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**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.

Use our “Nonstop” filter when browsing for direct Spirit Airlines flights from ORD to PHX. It’s also a great way to compare other carriers servicing the same direct route.

Sort your results by “Morning” and “Early Morning” to see the earliest flights from ORD to PHX. Setting off early means flight cancellations are less likely.**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.

Hop on a Spirit 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 main hub here.

A rewarding loyalty program and the ability to rack up points through Free Spirit are the start of the reasons to fly from ORD to PHX with Spirit Airlines. Plus, by joining Expedia’s free One Key™ program, you can earn OneKeyCash™* alongside Spirit Airlines’s loyalty program earnings. It’s yours to spend on future travel plans.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

It’s generally possible to cancel or modify your flight, although there may be additional charges if you made your booking more than 24 hours ago. Need flexible options? Apply the “No cancel fee” or “Changes included” filter to find flights that won’t charge you extra if you have to adjust your plans. To update your itinerary, head to “Trips,” select your flight and click on “Manage Booking” for further information.