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St. Augustine

Cheap flights from Phoenix to St. Augustine (UST)

PHX — UST
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Best time to book a flight from Phoenix to St. Augustine

Have a flexible travel schedule? Discover the best time to fly to St. Augustine from Phoenix with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Phoenix to St. Augustine

What is the cheapest time of day to fly from PHX to UST?

Find hourly flight availability from Phoenix to St. Augustine. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 19% on flights from Phoenix to St. Augustine by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Phoenix to St. Augustine?

Use this chart to determine the cheapest time to fly round-trip from Phoenix to St. Augustine. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Phoenix to St. Augustine flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Phoenix to St. Augustine. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Augustine from Phoenix?

    For a flight from Phoenix to St. Augustine, you will be flying into Northeast Florida Regional. St. Augustine Northeast Florida Regional (UST) is just 4.7 mi from the center of the city. Northeast Florida Regional is the only St. Augustine airport and it handles 0 inbound flights from Phoenix per day. 0 airlines have flights to St. Augustine Northeast Florida Regional from Phoenix on a regular basis.

  • Can I find deals for flights from Phoenix to St. Augustine that include hotel bookings?

    Yes. In addition to deals on Phoenix to St. Augustine flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phoenix to St. Augustine?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix to St. Augustine.

  • Can I find deals for business class flights from Phoenix to St. Augustine?

    Yes. Cheapflights offers flight deals from Phoenix to St. Augustine by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near St. Augustine?

Book flights to St. Augustine if you plan to visit one of these locations
Vilano Beach

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