$69 Cheap American Airlines flights Boise (BOI) to Phoenix (PHX)

Finding cheap one-way American Airlines flights from BOI to PHX from $69 on Expedia is a cinch — just filter by "Price (lowest to highest)." Or check out our affordable return fares from $137 for your next exciting getaway.**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 Boise Airport (BOI) 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 impact how much 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 booking your trip 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 American Airlines flight from BOI to PHX departs at 6:39AM UTC-7, landing at 8:58AM UTC-7. If you prefer to head off later, the last American Airlines flight leaves BOI at 5:26PM UTC-7 and lands at PHX at 7:29PM UTC-7. Flying early is often a smart choice as morning flights are least likely to experience cancellations.**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.