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Cheap flights from Pennsylvania to St. Augustine (UST)

PHL — UST
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Pennsylvania to St. Augustine

Keep the following information in mind while searching for Pennsylvania to St. Augustine flight deals. Data was last updated July 31, 2025.

Popular in

June

Cheapest in

July

Average price

$168
Highest demand for flights based on searches. 14% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Cheapflights Insights

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

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

Find hourly flight availability from Pennsylvania 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 July 31, 2025.

When flying from Pennsylvania to St. Augustine, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania 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 Pennsylvania?

    St. Augustine Northeast Florida Regional (UST) is the airport you will fly into if you book a flight from Pennsylvania to St. Augustine. It is only a 4.7 mi journey from Northeast Florida Regional (UST) to St. Augustine’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pennsylvania 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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Alternative routes for Pennsylvania to St. Augustine

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Pennsylvania to St. Augustine

Discover the top airline that operate flights from Pennsylvania to St. Augustine. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$68Average$168FlexibilityNo cancel feeOn-time62%

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