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 October 2026, 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.

$339 Cheap Flights from Knoxville to Great Falls in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Knoxville to Great Falls

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:45 am - 9:38 pmTYS Knoxville McGhee Tyson-GTF Great Falls

13h 53m2 stops Washington, D.C. Dulles Intl Denver Intl

6:30 am - 4:04 pmGTF Great Falls-TYS Knoxville McGhee Tyson

7h 34m1 stop Denver Intl

$374United Airlines

Wed, Nov 11 - Sat, Nov 14

5:40 am - 12:41 pmTYS Knoxville McGhee Tyson-GTF Great Falls

9h 01m2 stops Atlanta Hartsfield-Jackson Salt Lake City

6:19 pm - 9:55 amGTF Great Falls-TYS Knoxville McGhee Tyson

13h 36m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$379Delta

Wed, Nov 11 - Sat, Nov 14

9:45 am - 9:38 pmTYS Knoxville McGhee Tyson-GTF Great Falls

13h 53m2 stops Washington, D.C. Dulles Intl Denver Intl

6:30 am - 4:04 pmGTF Great Falls-TYS Knoxville McGhee Tyson

7h 34m1 stop Denver Intl

$494United Airlines

Wed, Nov 11 - Sat, Nov 14

1:56 pm - 9:38 pmTYS Knoxville McGhee Tyson-GTF Great Falls

9h 42m2 stops Chicago O'Hare Intl Denver Intl

2:45 pm - 10:32 pmGTF Great Falls-TYS Knoxville McGhee Tyson

5h 47m1 stop Denver Intl

$494United Airlines

Wed, Nov 11 - Sat, Nov 14

6:45 am - 9:38 pmTYS Knoxville McGhee Tyson-GTF Great Falls

16h 53m3 stops Chicago O'Hare Intl San Francisco Denver Intl

2:45 pm - 10:32 pmGTF Great Falls-TYS Knoxville McGhee Tyson

5h 47m1 stop Denver Intl

$499United Airlines

Wed, Nov 11 - Sat, Nov 14

9:00 am - 1:49 pmTYS Knoxville McGhee Tyson-GTF Great Falls

6h 49m1 stop Denver Intl

2:45 pm - 10:32 pmGTF Great Falls-TYS Knoxville McGhee Tyson

5h 47m1 stop Denver Intl

$518United Airlines

Wed, Nov 11 - Sat, Nov 14

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United Airlines flights from Knoxville to Great Falls

Our best United Airlines deals on Knoxville to Great Falls flight tickets

United Airlines

Nov 11

TYS9:45 amKnoxville McGhee Tyson

13h 53m

2 stops

GTF9:38 pmGreat Falls

Nov 14

GTF6:30 amGreat Falls

7h 34m

1 stop

TYS4:04 pmKnoxville McGhee Tyson

$374

United Airlines

Nov 11

TYS9:45 amKnoxville McGhee Tyson

13h 53m

2 stops

GTF9:38 pmGreat Falls

Nov 14

GTF6:30 amGreat Falls

7h 34m

1 stop

TYS4:04 pmKnoxville McGhee Tyson

$494

United Airlines

Nov 11

TYS6:45 amKnoxville McGhee Tyson

16h 53m

3 stops

GTF9:38 pmGreat Falls

Nov 14

GTF2:45 pmGreat Falls

5h 47m

1 stop

TYS10:32 pmKnoxville McGhee Tyson

$499

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleGreat Falls

TYS Knoxville McGhee Tyson - GTF Great Falls

TYSGTF

Knoxville McGhee Tyson

Wed 11/11

9:45 am-9:38 pm

2 stops13h 53m

Great Falls

Sat 11/14

6:30 am-4:04 pm

1 stop7h 34m

$374

KnoxvilleGreat Falls

TYS Knoxville McGhee Tyson - GTF Great Falls

TYSGTF

Knoxville McGhee Tyson

Wed 11/11

5:40 am-12:41 pm

2 stops9h 01m

Great Falls

Sat 11/14

6:19 pm-9:55 am

2 stops13h 36m

$379

KnoxvilleGreat Falls

TYS Knoxville McGhee Tyson - GTF Great Falls

TYSGTF

Knoxville McGhee Tyson

Wed 11/11

9:45 am-9:38 pm

2 stops13h 53m

Great Falls

Sat 11/14

6:30 am-4:04 pm

1 stop7h 34m

$494

KnoxvilleGreat Falls

TYS Knoxville McGhee Tyson - GTF Great Falls

TYSGTF

Knoxville McGhee Tyson

Wed 11/11

1:56 pm-9:38 pm

2 stops9h 42m

Great Falls

Sat 11/14

2:45 pm-10:32 pm

1 stop5h 47m

$494

KnoxvilleGreat Falls

TYS Knoxville McGhee Tyson - GTF Great Falls

TYSGTF

Knoxville McGhee Tyson

Wed 11/11

6:45 am-9:38 pm

3 stops16h 53m

Great Falls

Sat 11/14

2:45 pm-10:32 pm

1 stop5h 47m

$499

Quickest round-trip

KnoxvilleGreat Falls

TYS Knoxville McGhee Tyson - GTF Great Falls

TYSGTF

Knoxville McGhee Tyson

Wed 11/11

9:00 am-1:49 pm

1 stop6h 49m

Great Falls

Sat 11/14

2:45 pm-10:32 pm

1 stop5h 47m

$518

Cheapest one-way

KnoxvilleGreat Falls

TYS Knoxville McGhee Tyson - GTF Great Falls

TYSGTF

Knoxville McGhee Tyson

Fri 11/6

6:56 pm-8:32 am

3 stops39h 36m

$339

Quickest one-way

KnoxvilleGreat Falls

TYS Knoxville McGhee Tyson - GTF Great Falls

TYSGTF

Knoxville McGhee Tyson

Wed 10/28

5:05 pm-9:38 pm

1 stop6h 33m

$373

KnoxvilleGreat Falls

TYS Knoxville McGhee Tyson - GTF Great Falls

TYSGTF

Knoxville McGhee Tyson

Fri 11/6

9:00 am-1:49 pm

1 stop6h 49m

$373

KnoxvilleGreat Falls

TYS Knoxville McGhee Tyson - GTF Great Falls

TYSGTF

Knoxville McGhee Tyson

Fri 10/30

5:05 pm-9:38 pm

1 stop6h 33m

$373

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

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 airline that flies from Knoxville McGhee Tyson to Great Falls?

Allegiant Air, United Airlines, and Delta are the most popular carriers operating from Knoxville McGhee Tyson to Great Falls

When to book flights from Knoxville to Great Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to Great Falls according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

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

Best Price Found	$339
Fastest flight time	13h 53m
Direct flights	None

The best one-way flight to Great Falls from Knoxville in the past 72 hours is $339. The best round-trip flight deal from Knoxville to Great Falls found on momondo in the last 72 hours is $374.

The fastest flight from Knoxville to Great Falls takes 13h 53m

There are no direct flights from Knoxville to Great Falls. There are no popular flight routes from Knoxville to Great Falls.

Search flight deals

Frequently asked questions about flying 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 13h 53m.
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 October 2026, 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
United Airlines	PriceFrom $298	Free Cancellation	Rating 7.4 10,324 reviews		Search United Airlines flights

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Why use momondo?

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.