Cheap flights from Knoxville to Great Falls from $289
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Great Falls departing on 8/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Knoxville to Great Falls
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Great Falls?
The cheapest day to depart on your flight to Great Falls is on a Saturday when prices can be found for as low as $593. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday is the most expensive day to depart from Knoxville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $704.
What is the cheapest time of day to depart on your flight to Great Falls?
According to our data, the cheapest time of day to fly to Great Falls is in the afternoon. momondo users have found flights departing from Knoxville to Great Falls in the afternoon for as low as $593. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $704 on average. Flights to Great Falls from Knoxville in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
When to book flights from Knoxville to Great Falls
Cheap Knoxville to Great Falls (TYS to GTF) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Knoxville to Great Falls
How far is Knoxville McGhee Tyson to Great Falls by plane?
Knoxville McGhee Tyson and Great Falls are 1607.9 mi apart from one another. In terms of flight time, this usually takes a little over 6h 18m.
When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Great Falls Airport?
Prices for flights from Knoxville McGhee Tyson Airport to Great Falls Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Great Falls Airport?
As of May 2025, there is 1 operator available to choose from for flights from Knoxville McGhee Tyson Airport to Great Falls Airport.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to Great Falls Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Knoxville McGhee Tyson Airport to Great Falls Airport.
What documentation or ID do you need to fly to Great Falls Airport?
The travel and health documents required for your trip to Great Falls Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Great Falls Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Knoxville to Great Falls?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Knoxville to Great Falls is United Airlines (100% of total bookings).
Best airlines flying from Knoxville to Great Falls
Compare and see reviews for airlines that fly from Knoxville to Great Falls with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $399 | Free Cancellation | Rating 7.4 8,724 reviews |
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Why should I use momondo to find a flight deal from Knoxville to Great Falls?
Finding the right flight to Great Falls from Knoxville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Great Falls quick and easy, saving you time and money.
Can I find flights from Knoxville to Great Falls with flexible booking policies on momondo?
Flights from Knoxville to Great Falls with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Knoxville to Great Falls?
momondo provides multiple filters to help you find the best flight to Great Falls from Knoxville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Knoxville to Great Falls right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Knoxville to Great Falls flights. All you need is a valid email address and we will do the rest; it is that quick and easy.