Cheap Flights from Tri-Cities (TRI) to Great Falls (GTF)

Popular airlines from Tri-Cities, TN (TRI-Tri-Cities Regional) to Great Falls, MT (GTF-Great Falls Intl.)

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Cheap Flights from Tri-Cities to Great Falls (TRI-GTF)

Prices were available within the past 7 days and start at for one-way flights and $457 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Flights from Tri-Cities (TRI) to Great Falls (GTF)
Origin airport
Tri-Cities Regional
Destination airport
Great Falls Intl.
Airlines serving
Delta
Roundtrip price
$456
Distance
1656 mi

Tri-Cities to Great Falls Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Tri-Cities to Great 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 Great 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 Great 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 Great 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 Great 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 Great Falls Intl. Airport (GTF) cost?
Discover the latest flight deals from TRI to GTF by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from TRI to GTF?
The cheapest flights from TRI to GTF are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from TRI to GTF?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from TRI to GTF. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Tri-Cities Regional Airport (TRI) to Great Falls Intl. Airport (GTF)?
Nonstop flights from Tri-Cities Regional Airport (TRI) to Great Falls Intl. Airport (GTF) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from TRI to GTF?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*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 Great Falls Intl. Airport (GTF)?
To avoid potential delays on the Tri-Cities Regional Airport (TRI) to Great Falls Intl. Airport (GTF) route, travel before 3 PM. Later departures have a 22% higher chance of cancellation.**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 Great Falls Intl. Airport (GTF) last-minute?
Last-minute fares from TRI to GTF are typically more expensive. To lock in the cheapest rates, start searching for flights as soon as possible. That being said, if you're flexible with your travel dates, it's possible to land a cheap ticket right before your journey.
Is it cheaper to book a TRI to GTF flight and hotel package?
Securing a TRI to GTF flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our extensive range of stays and then add flights, activities and car rentals 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 Tri-Cities Regional Airport (TRI) to Great Falls Intl. Airport (GTF)?
Generally, it's possible to cancel or reschedule your TRI to GTF flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.