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

Grab budget-friendly return American Airlines flights from $137 from PHX to BOI by organizing your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $69 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.

Begin your search one to three months ahead of your travel date to score cheap fares on American Airlines flights from Sky Harbor Intl. Airport (PHX) to Boise Airport (BOI). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic flights.*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 earliest flight from PHX to BOI with American Airlines departs at 11:07AM UTC-7. You'll land at 1:37PM UTC-7. The final American Airlines flight of the day takes off at 9:20PM UTC-7 and arrives at 11:38PM UTC-7. With 20% fewer cancellations for morning and mid-morning flights, heading out early is generally the best way to go.**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.