$119 Cheap United flights Salt Lake City (SLC) to Phoenix (PHX)

Finding cheap one-way United Airlines flights from SLC to PHX from $119 on Expedia is a breeze — just filter by “Price (lowest to highest).” Alternatively, check out our affordable return fares from $232 for your next exciting vacation.**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.

Browse for return or one-way flights to Phoenix in July or August. You could find a cheap fare with United Airlines during these quieter months.

For cheap United Airlines fares from Salt Lake City Intl. Airport (SLC) 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 influence the overall price. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book 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.

Use the “Nonstop” filter when looking for direct United Airlines flights from SLC to PHX. It’s also a good way to compare other carriers servicing the same direct trip.

Sort your results by “Morning” and “Early Morning” to browse the earliest flights from SLC to PHX. Leaving early means flight cancellations are less likely.**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.

United Airlines flights from Salt Lake City Intl. Airport (SLC) to Phoenix arrive at Sky Harbor Intl. Airport (PHX). This is the main gateway here.

A rewarding loyalty program and the ability to collect points through United Mileage Plus are the start of the reasons to jet off from SLC to PHX with United Airlines. Plus, when you join Expedia’s free One Key™ program, you can receive OneKeyCash™* in addition to any airline loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are often free within 24 hours of making a booking, but your airline may add a charge after that time. For more information about modifying your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to update your itinerary without being charged, check the “Changes included” or “No cancel fee” filter when organizing your next break.