$84 Cheap American Airlines flights Boston (BOS) to Phoenix (PHX)

Finding cheap one-way American Airlines flights from BOS to PHX from $84 on Expedia couldn't be easier — just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares from $167 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.

Begin your search one to three months ahead of your departure date to get cheap fares on American Airlines flights from Logan Intl. Airport (BOS) to Sky Harbor Intl. Airport (PHX). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to 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.* Time it well, and you can enjoy significant savings on domestic trips.*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 BOS to PHX with American Airlines departs at 6:25AM UTC-5. You'll touch down at 10:37AM UTC-7. The final American Airlines flight of the day takes off at 4:44PM UTC-5 and arrives at 8:54PM UTC-7. With approximately 20% fewer cancellations for morning and mid-morning flights, heading out early is generally the smartest 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.