Cheap Flights from San Antonio (SAT) to Niagara Falls (IAG)

Popular airlines from San Antonio International Airport (SAT) to Niagara Falls, NY (IAG-Niagara Falls Intl.)

Alternative airports near Niagara Falls

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Buffalo Niagara Intl. BUF. Cheapest option available. Average driving time to city center is 34 minutes. Flights from $455
BUF
Buffalo Niagara Intl.
Cheapest
Average driving time to city center34 min
Flights from $455
Flights from San Antonio (SAT) to Niagara Falls (IAG)
Origin airport
San Antonio Intl.
Destination airport
Niagara Falls Intl.
Distance
1429 mi

San Antonio to Niagara Falls Flights

The cheapest times to fly from San Antonio to Niagara Falls

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 San Antonio to Niagara Falls are during the month of . You can find some of the cheapest flights from San Antonio to Niagara Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Antonio to Niagara Falls

Sunday is one of the best days to book for cheap flights from San Antonio to Niagara Falls: 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 San Antonio to Niagara Falls

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 San Antonio to Niagara Falls 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 San Antonio to Niagara Falls 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 San Antonio to Niagara Falls 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.

 

Frequently asked questions

How much does a flight from San Antonio Intl. Airport (SAT) to Niagara Falls Intl. Airport (IAG) cost?
Grab a cheap one-way flight or cheap return flight from San Antonio Intl. Airport (SAT) to Niagara Falls Intl. Airport (IAG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from San Antonio Intl. Airport (SAT) to Niagara Falls Intl. Airport (IAG)?
Traveling in can help you save, as it's the cheapest month for flights between SAT and IAG. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from San Antonio Intl. Airport (SAT) to Niagara Falls Intl. Airport (IAG)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SAT to IAG flight.
How many flights per day from San Antonio Intl. Airport (SAT) to Niagara Falls Intl. Airport (IAG)?
There aren't any daily nonstop flights from San Antonio Intl. Airport (SAT) to Niagara Falls Intl. Airport (IAG). But you can opt for 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.
What day of the week has the most flights from SAT to IAG?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Antonio Intl. Airport (SAT) to Niagara Falls Intl. Airport (IAG)?
To reach Niagara Falls Intl. Airport (IAG) on schedule, opt for a flight that leaves from San Antonio Intl. Airport (SAT) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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.
Is it cheaper to buy a plane ticket from San Antonio Intl. Airport (SAT) to Niagara Falls Intl. Airport (IAG) last-minute?
Holding off until right before your break to book a flight from SAT to IAG generally means paying more. While it's possible to find some last-minute offers, they're not always guaranteed. Be flexible with your travel plans for a better chance of snagging a bargain.
Is it cheaper to book a SAT to IAG flight and hotel package?
Booking a SAT to IAG flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our impressive range of stays and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Antonio Intl. Airport (SAT) to Niagara Falls Intl. Airport (IAG)?
If you reserved your SAT to IAG flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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*Available to One Key members.