Cheap Flights from Tri-Cities (TRI) to Niagara Falls (IAG)

Popular airlines from Tri-Cities, TN (TRI-Tri-Cities Regional) to Niagara Falls, NY (IAG-Niagara Falls Intl.)

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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 $357
BUF
Buffalo Niagara Intl.
Cheapest
Average driving time to city center34 min
Flights from $357
Flights from Tri-Cities (TRI) to Niagara Falls (IAG)
Origin airport
Tri-Cities Regional
Destination airport
Niagara Falls Intl.
Distance
492 mi

Tri-Cities to Niagara Falls Flights

The cheapest times to fly from Tri-Cities 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 Tri-Cities to Niagara Falls are during the month of . You can find some of the cheapest flights from Tri-Cities to Niagara Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Tri-Cities to Niagara Falls

Sunday is one of the best days to book for cheap flights from Tri-Cities 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 Tri-Cities 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 Tri-Cities 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 Tri-Cities 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 Tri-Cities 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 Tri-Cities Regional Airport (TRI) to Niagara Falls Intl. Airport (IAG) cost?
Get a cheap one-way flight or cheap return flight from Tri-Cities Regional Airport (TRI) to Niagara Falls Intl. Airport (IAG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Tri-Cities Regional Airport (TRI) to Niagara Falls Intl. Airport (IAG)?
is the cheapest month to fly from TRI to IAG. Traveling during quieter months is often the key to scoring lower fares.
What is the cheapest airline that flies from Tri-Cities Regional Airport (TRI) to Niagara Falls Intl. Airport (IAG)?
Expedia's filter tool lets you easily compare travel time, airlines 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 TRI to IAG flight.
How many flights per day from Tri-Cities Regional Airport (TRI) to Niagara Falls Intl. Airport (IAG)?
There aren't any daily nonstop flights available from Tri-Cities Regional Airport (TRI) to Niagara Falls Intl. Airport (IAG). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from TRI to IAG?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change 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 Tri-Cities Regional Airport (TRI) to Niagara Falls Intl. Airport (IAG)?
Book a flight from Tri-Cities Regional Airport (TRI) to Niagara Falls Intl. Airport (IAG) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**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 Tri-Cities Regional Airport (TRI) to Niagara Falls Intl. Airport (IAG) last-minute?
Last-minute fares from TRI to IAG are typically more expensive. For the best rates, start searching for flights well in advance. That being said, if you can play around with your travel dates, it's possible to find a cheap ticket right before your trip.
Is it cheaper to book a TRI to IAG flight and hotel package?
You can save money by securing a TRI to IAG flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've chosen your preferred flights and accommodations, consider adding extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Tri-Cities Regional Airport (TRI) to Niagara Falls Intl. Airport (IAG)?
You can usually cancel or reschedule your TRI to IAG flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

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