Cheap flights from St. Augustine (UST) to Niagara Falls, ON, Canada
Find cheap flights from St. Augustine to Niagara Falls with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 St. Augustine to Niagara Falls
Keep the following information in mind while searching for St. Augustine to Niagara Falls flight deals. Data was last updated October 29, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 1 star |
Cheapflights Insights
Everything you need to know about your flight from St. Augustine to Niagara Falls
What is the cheapest month to book a flight from St. Augustine to Niagara Falls?
Currently, January is the cheapest month in which you can book a flight from St. Augustine to Niagara Falls (average of $69). Flying from St. Augustine to Niagara Falls in August is currently the most expensive (average of $115). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from UST to NI4?
Unlike in the morning, when flights are generally more expensive, you can save up to 63% on flights from St. Augustine to Niagara Falls by exploring options for tickets in the evening.
What is the cheapest day to fly from St. Augustine to Niagara Falls?
Travelers seeking maximum savings on their St. Augustine to Niagara Falls flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.