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

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to St. Augustine, FL (UST-Northeast Florida Regional)

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Northeast Florida Regional Airport (UST) cost?
Lock in a cheap one-way flight or cheap return flight from Sky Harbor Intl. Airport (PHX) to Northeast Florida Regional Airport (UST) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Sky Harbor Intl. Airport (PHX) to Northeast Florida Regional Airport (UST)?
is the least expensive month to fly from PHX to UST. Planning your trip for the off-season is often the key to finding better fares.
What is the cheapest airline that flies from Sky Harbor Intl. Airport (PHX) to Northeast Florida Regional Airport (UST)?
To find the cheapest airline flying from PHX to UST, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Northeast Florida Regional Airport (UST)?
There aren't any daily direct flights from Sky Harbor Intl. Airport (PHX) to Northeast Florida Regional Airport (UST). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from PHX to UST?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Northeast Florida Regional Airport (UST)?
Select a flight from Sky Harbor Intl. Airport (PHX) to Northeast Florida Regional Airport (UST) that takes off before 3 PM to reduce the risk of cancellations. Later departures are on average 22% more likely to be canceled.**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.
What airports do you fly into for St. Augustine from Sky Harbor Intl. Airport (PHX)?
Explore your flight options from Sky Harbor Intl. Airport (PHX) to Jacksonville Intl. Airport (JAX). This is the only St. Augustine airport you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to Northeast Florida Regional Airport (UST) last-minute?
Booking your plane ticket from PHX to UST right before your journey is typically more expensive. But if you're flexible with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book a PHX to UST flight and hotel package?
You can save money by securing a PHX to UST flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your ideal flights and accommodations, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Northeast Florida Regional Airport (UST)?
If you booked your PHX to UST flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Travel information

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

Book with confidence

Book with confidence

Phoenix to St. Augustine Flights

The cheapest times to fly from Phoenix to St. Augustine

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 Phoenix to St. Augustine are during the month of . You can find some of the cheapest flights from Phoenix to St. Augustine with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Phoenix to St. Augustine: 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 Phoenix to St. Augustine

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 Phoenix to St. Augustine in 2025. 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 Phoenix to St. Augustine 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 Phoenix to St. Augustine 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.

 

Phoenix to St. Augustine Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.