$89 Cheap American Airlines flights Chicago (ORD) to Phoenix (PHX)

Finding cheap one-way American Airlines flights from ORD to PHX from $89 on Expedia is simple — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $120 for your next exciting adventure.**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.

To find cheap American Airlines fares from O'Hare Intl. Airport (ORD) to Sky Harbor Intl. Airport (PHX), start searching one to three months before your intended departure. Reserving 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 the overall cost. Sunday is typically the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight 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.

The first flight from ORD to PHX with American Airlines departs at 6:00AM UTC-6. You'll touch down at 9:04AM UTC-7. The final American Airlines flight of the day takes off at 8:25PM UTC-6 and arrives at 11:36PM UTC-7. With approximately 20% fewer cancellations for morning and mid-morning departures, beginning your travel day early is usually the best 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.