Spirit's Big Front Seats offer 11 inches more legroom, ideal for comfort on short flights.
Spirit's self-service bag drop saves time; print your boarding pass at home to avoid fees.
Cheap flights from Newark (EWR) to St. Augustine (UST)
EWR — UST
Oct 15 — Oct 221
1 adult, Economy
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Newark to St. Augustine
Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) to St. Augustine (UST). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2025.
Popular in | November |
|---|---|
Cheapest in | August |
Average price | $277 |
The best insider tips for Newark Airport to St. Augustine flights
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Newark Airport to St. Augustine trip
Airlines
![Spirit Airlines]()
Spirit Airlines
![Allegiant Air]()
Allegiant Air
Allegiant offers nonstop flights with no layovers, perfect for avoiding large airport stress.
Allegiant's Allways Rewards gives points for every dollar spent, redeemable for future flights.
Our travel experts
Best time to book a flight from Newark to St. Augustine
Have a flexible travel schedule? Discover the best time to fly to St. Augustine from Newark 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 Newark Airport to St. Augustine
What is the cheapest time of day to fly from EWR to UST?
Find hourly flight availability from Newark 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 September 15, 2025.
It’s optimal to fly from Newark Airport to St. Augustine in the morning. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight at noon.
What is the cheapest day to fly from Newark Airport to St. Augustine?
Use this chart to determine the cheapest time to fly round-trip from Newark to St. Augustine. Price data was last updated on March 30, 2025.
Travelers seeking maximum savings on their Newark Airport to St. Augustine flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing St. Augustine
Get insights into the airlines that provide service to St. Augustine. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Augustine. Reviews last updated September 15, 2025.
Peruse reviews from past customers who have flown with United Airlines from Newark Airport to St. Augustine to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Entertainment
7.1
Food
6.6
Overall
7.4
Crew
8.1
Boarding
7.7
Reviews
1 / 20
2.0
MediocreAnonymous,Oct 2024
EWR - DEN
Comfort
7.3
Entertainment
7.1
Food
6.6
Overall
7.4
Crew
8.1
Boarding
7.7
Reviews
1 / 20
2.0
MediocreAnonymous,Oct 2024
EWR - DEN
Related info for your journey
Find useful and relevant information for your journey from Newark to St. Augustine. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Augustine?
Book flights to St. Augustine if you plan to visit one of these locationsVilano Beach
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Alternative routes for Newark to St. Augustine
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Top airline flying from Newark to St. Augustine
Discover the top airline that operate flights from Newark 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 September 15, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$237 | Average$322 | FlexibilityNo cancel fee | On-time69% |