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 March 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.

$358 Cheap Flights from Knoxville to Great Falls in 2026

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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.

10:00 am - 9:28 pm

TYS

GTF

13h 28m

2 stops

2:31 pm - 10:38 pm

GTF

TYS

6h 07m

1 stop

$364United Airlines

Wed, Sep 9 - Wed, Sep 23

4:56 pm - 9:34 pm

TYS

GTF

6h 38m

1 stop

12:30 pm - 8:56 pm

GTF

TYS

6h 26m

1 stop

$406United Airlines

Fri, May 22 - Sat, May 30

10:00 am - 9:28 pm

TYS

GTF

13h 28m

2 stops

6:15 am - 8:48 pm

GTF

TYS

12h 33m

2 stops

$419United Airlines

Wed, Sep 9 - Wed, Sep 23

7:00 am - 1:31 pm

TYS

GTF

8h 31m

2 stops

2:30 pm - 10:29 pm

GTF

TYS

5h 59m

1 stop

$434United Airlines

Sat, Apr 11 - Wed, Apr 15

6:35 am - 5:42 pm

TYS

GTF

13h 07m

2 stops

6:20 pm - 9:22 am

GTF

TYS

13h 02m

2 stops

$449Delta

Sat, Apr 11 - Wed, Apr 15

4:20 pm - 9:18 pm

TYS

GTF

6h 58m

1 stop

6:15 am - 3:07 pm

GTF

TYS

6h 52m

1 stop

$458United Airlines

Fri, May 1 - Sat, May 9

8:48 am - 1:32 pm

TYS

GTF

6h 44m

1 stop

2:31 pm - 10:38 pm

GTF

TYS

6h 07m

1 stop

$507United Airlines

Wed, Sep 9 - Wed, Sep 23

4:56 pm - 9:34 pm

TYS

GTF

6h 38m

1 stop

6:15 am - 8:56 pm

GTF

TYS

12h 41m

2 stops

$561United Airlines

Fri, May 22 - Sat, May 30

11:40 am - 9:18 pm

TYS

GTF

11h 38m

2 stops

2:35 pm - 10:23 pm

GTF

TYS

5h 48m

1 stop

$696United Airlines

Fri, May 1 - Sat, May 9

7:00 am - 9:18 pm

TYS

GTF

16h 18m

3 stops

2:35 pm - 10:23 pm

GTF

TYS

5h 48m

1 stop

$782United Airlines

Fri, May 1 - Sat, May 9

United Airlines flights from Knoxville to Great Falls

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

United Airlines

Sep 9

TYS10:00 amKnoxville McGhee Tyson

13h 28m

2 stops

GTF9:28 pmGreat Falls

Sep 23

GTF2:31 pmGreat Falls

6h 07m

1 stop

TYS10:38 pmKnoxville McGhee Tyson

$364

United Airlines

May 22

TYS4:56 pmKnoxville McGhee Tyson

6h 38m

1 stop

GTF9:34 pmGreat Falls

May 30

GTF12:30 pmGreat Falls

6h 26m

1 stop

TYS8:56 pmKnoxville McGhee Tyson

$406

United Airlines

Sep 9

TYS10:00 amKnoxville McGhee Tyson

13h 28m

2 stops

GTF9:28 pmGreat Falls

Sep 23

GTF6:15 amGreat Falls

12h 33m

2 stops

TYS8:48 pmKnoxville McGhee Tyson

$419

Delta flights from Knoxville to Great Falls

Our best Delta deals on Knoxville to Great Falls flight tickets

Delta

Apr 11

TYS6:35 amKnoxville McGhee Tyson

13h 07m

2 stops

GTF5:42 pmGreat Falls

Apr 15

GTF6:20 pmGreat Falls

13h 02m

2 stops

TYS9:22 amKnoxville McGhee Tyson

$449

Delta

May 22

TYS3:30 pmKnoxville McGhee Tyson

8h 56m

2 stops

GTF10:26 pmGreat Falls

May 30

GTF6:19 pmGreat Falls

13h 15m

2 stops

TYS9:34 amKnoxville McGhee Tyson

$1,027

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleGreat Falls

TYS - GTF

TYSGTF

Knoxville McGhee Tyson

Wed 9/9

10:00 am-9:28 pm

2 stops13h 28m

Great Falls

Wed 9/23

2:31 pm-10:38 pm

1 stop6h 07m

$364

KnoxvilleGreat Falls

TYS - GTF

TYSGTF

Knoxville McGhee Tyson

Fri 5/22

4:56 pm-9:34 pm

1 stop6h 38m

Great Falls

Sat 5/30

12:30 pm-8:56 pm

1 stop6h 26m

$406

KnoxvilleGreat Falls

TYS - GTF

TYSGTF

Knoxville McGhee Tyson

Wed 9/9

10:00 am-9:28 pm

2 stops13h 28m

Great Falls

Wed 9/23

6:15 am-8:48 pm

2 stops12h 33m

$419

KnoxvilleGreat Falls

TYS - GTF

TYSGTF

Knoxville McGhee Tyson

Sat 4/11

7:00 am-1:31 pm

2 stops8h 31m

Great Falls

Wed 4/15

2:30 pm-10:29 pm

1 stop5h 59m

$434

KnoxvilleGreat Falls

TYS - GTF

TYSGTF

Knoxville McGhee Tyson

Sat 4/11

6:35 am-5:42 pm

2 stops13h 07m

Great Falls

Wed 4/15

6:20 pm-9:22 am

2 stops13h 02m

$449

KnoxvilleGreat Falls

TYS - GTF

TYSGTF

Knoxville McGhee Tyson

Fri 5/1

4:20 pm-9:18 pm

1 stop6h 58m

Great Falls

Sat 5/9

6:15 am-3:07 pm

1 stop6h 52m

$458

Quickest round-trip

KnoxvilleGreat Falls

TYS - GTF

TYSGTF

Knoxville McGhee Tyson

Wed 9/9

8:48 am-1:32 pm

1 stop6h 44m

Great Falls

Wed 9/23

2:31 pm-10:38 pm

1 stop6h 07m

$507

KnoxvilleGreat Falls

TYS - GTF

TYSGTF

Knoxville McGhee Tyson

Fri 5/22

4:56 pm-9:34 pm

1 stop6h 38m

Great Falls

Sat 5/30

6:15 am-8:56 pm

2 stops12h 41m

$561

KnoxvilleGreat Falls

TYS - GTF

TYSGTF

Knoxville McGhee Tyson

Fri 5/1

11:40 am-9:18 pm

2 stops11h 38m

Great Falls

Sat 5/9

2:35 pm-10:23 pm

1 stop5h 48m

$696

KnoxvilleGreat Falls

TYS - GTF

TYSGTF

Knoxville McGhee Tyson

Fri 5/1

7:00 am-9:18 pm

3 stops16h 18m

Great Falls

Sat 5/9

2:35 pm-10:23 pm

1 stop5h 48m

$782

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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?

United Airlines, Delta, and Allegiant Air 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

Fastest flight time	6h 32m
Direct flights	None

The fastest flight from Knoxville to Great Falls takes 6h 32m

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

Search flight deals

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 32m.
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 March 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 9,509 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.