$80 Cheap American Airlines flights Seattle (SEA) to Phoenix (PHX)

Set the "Price (lowest to highest)" filter on Expedia to look for cheap American Airlines round-trip flights from $159 from SEA to PHX. Affordable one-way fares from $80 are available too.**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.

Search for cheap American Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Sky Harbor Intl. Airport (PHX) one to three months ahead of your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the best day to book a domestic flight is generally Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**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 American Airlines flight from SEA to PHX takes off at 6:10AM UTC-8, touching down at 10:11AM UTC-7. If you want to jet off later, the last American Airlines flight leaves SEA at 5:45PM UTC-8 and lands at PHX at 9:43PM UTC-7. Flying before noon is often a wise choice as morning flights are less likely to be 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.