Cheap Flights from St. Augustine (UST) to Phoenix (PHX)

Popular airlines from St. Augustine, FL (UST-Northeast Florida Regional) to Phoenix

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Frequently asked questions

How much does a flight from Northeast Florida Regional Airport (UST) to Sky Harbor Intl. Airport (PHX) cost?
Lock in a cheap one-way flight or cheap return flight from Northeast Florida Regional Airport (UST) to Sky Harbor Intl. Airport (PHX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Northeast Florida Regional Airport (UST) to Sky Harbor Intl. Airport (PHX)?
Traveling in is a great way to save, as it's the cheapest month for flights between UST and PHX. You'll usually find the lowest fares during the off-season.
Which airlines fly direct from Northeast Florida Regional Airport (UST) to Sky Harbor Intl. Airport (PHX)?
There are no direct flights from St. Augustine, FL (UST-Northeast Florida Regional) to Sky Harbor Intl. Airport (PHX). However, you can find other airports offering nonstop flights. Start your journey at Jacksonville Intl. Airport (JAX) and travel straight to Phoenix without layovers.
What is the cheapest airline that flies from Northeast Florida Regional Airport (UST) to Sky Harbor Intl. Airport (PHX)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from UST to PHX. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Northeast Florida Regional Airport (UST) to Sky Harbor Intl. Airport (PHX)?
Nonstop flights from Northeast Florida Regional Airport (UST) to Sky Harbor Intl. Airport (PHX) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from UST to PHX?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on a number of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Northeast Florida Regional Airport (UST) to Sky Harbor Intl. Airport (PHX)?
To reach Sky Harbor Intl. Airport (PHX) on schedule, choose a flight that takes off from Northeast Florida Regional Airport (UST) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Northeast Florida Regional Airport (UST) to Sky Harbor Intl. Airport (PHX) last-minute?
Booking your ticket from UST to PHX shortly before your journey is typically more expensive. However, if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book an UST to PHX flight and hotel package?
Compared with arranging flights and hotels separately, booking an UST to PHX flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place takes the hassle out of travel planning. Just secure your flights and choose from our wide range of hotels, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Northeast Florida Regional Airport (UST) to Sky Harbor Intl. Airport (PHX)?
Usually, it's possible to reschedule or cancel your UST to PHX flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Northeast Florida Regional
Destination airport
Sky Harbor Intl.
Distance
1811 mi

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St. Augustine to Phoenix Flights

The cheapest times to fly from St. Augustine to Phoenix

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Augustine to Phoenix are during the month of . You can find some of the cheapest flights from St. Augustine to Phoenix with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Augustine to Phoenix

Sunday is one of the best days to book for cheap flights from St. Augustine to Phoenix: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Augustine to Phoenix

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Augustine to Phoenix in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Augustine to Phoenix flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Augustine to Phoenix airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Augustine to Phoenix Flights

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