$73 Cheap Spirit Airlines flights Detroit (DTW) to Phoenix (PHX)

You’ll discover affordable round-trip Spirit Airlines flights from $144 from DTW to PHX by organizing your results from “Price (lowest to highest)” on Expedia. Or look for deals from $73 for a one-way journey.**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.

Spirit Airlines flights to Phoenix are often cheaper in the quieter months of July and August. Whether you’re after a one-way or round-trip ticket, you could land a better deal then.

To find cheap Spirit Airlines fares from Detroit Metropolitan Wayne County Airport (DTW) to Sky Harbor Intl. Airport (PHX), start searching one to three months before your intended 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 impact what you pay. Sunday tends to be 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.

To figure out if there’s a direct route from DTW to PHX with Spirit Airlines or another carrier, check the “Nonstop” filter when searching for flights.

Browse Spirit Airlines’s earliest flights from DTW to PHX by using our “Early Morning” and “Morning” filters. Not only will you arrive at your destination sooner, early departures also have a 20% less chance of being canceled.**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.

Spirit Airlines flights from Detroit Metropolitan Wayne County Airport (DTW) to Phoenix arrive at Sky Harbor Intl. Airport (PHX). This is the main entry point here.

A rewarding loyalty program and the ability to collect points through Free Spirit are the start of the reasons to travel from DTW to PHX with Spirit Airlines. Plus, when you join our One Key™ program, you can earn OneKeyCash™* on top of 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.

Changes are often free within 24 hours of making a booking, but your airline may charge you after that. For more details about modifying your flights, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to update your itinerary without extra charges, tick the “Changes included” or “No cancel fee” filter when planning your next getaway.