Which airports can I use when flying from Knoxville to Great Falls?

Flights from Knoxville to Great Falls usually depart from Knoxville McGhee Tyson (TYS) and arrive at Great Falls (GTF).

What cabin classes can I book on flights from Knoxville to Great Falls?

Only Economy Class is available on flights from Knoxville to Great Falls.

Which airports do connecting flights from Knoxville to Great Falls pass through?

Most connecting flights from Knoxville to Great Falls pass through Denver Intl (DEN), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

Can I save money by using flexible dates for flights from Knoxville to Great Falls?

Yes. Being flexible with your travel dates can save you up to 63% on the Knoxville to Great Falls route. Thursday is the cheapest departure day at $298 round-trip on average, while Saturday is the most expensive at $804, a difference of $506. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

How long is a flight from Knoxville to Great Falls?

A nonstop flight from Knoxville to Great Falls takes 0h 00m, covering 1,614 miles.

What are the earliest and latest flights from Knoxville to Great Falls?

These are the earliest and latest flight times available from Knoxville to Great Falls: • Earliest: departs at 12:00 am and lands at 12:00 am • Latest: departs at 12:00 am and lands at 12:00 am. The flight takes about 0h 00m.

Do I need a passport to fly from Knoxville to Great Falls?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Have flight prices from Knoxville to Great Falls changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $418 to $1,671. That means the highest observed fare was about 4x higher than the lowest one.

How are flight prices from Knoxville to Great Falls looking right now?

One-way fares from Knoxville to Great Falls are currently higher than usual. Average one-way flight prices are about $625, which is 29% above the typical average for this route.

What is the time difference between Knoxville and Great Falls?

Great Falls is 2 hours behind Knoxville (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Great Falls Airport (GTF)?

Great Falls Airport (GTF) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include: · Avis · Budget · Alamo · Hertz · Enterprise Rent-A-Car

How much should I expect to pay for a Knoxville to Great Falls flight?

Round-trip flights from Knoxville to Great Falls range from $383 to $720, with an average of $605 over the past 12 months. Anything below $383 counts as a good deal.

What is the cheapest airline to fly from Knoxville to Great Falls?

United Airlines ($418) and Delta ($1,422) are the cheapest airlines to fly round-trip from Knoxville to Great Falls according to KAYAK data over the last 5 days.

What is the cheapest layover airport when flying from Knoxville to Great Falls?

Flights via Denver Intl (DEN) offer the most affordable fares, with an average round-trip price of $652. Based on KAYAK data over the past 3 months.

When flying from Knoxville to Great Falls which airport offers the shortest layover?

Denver Intl (DEN) had the shortest average connection time for Knoxville to Great Falls layovers at 239 minutes over the past 3 months.

$373 CHEAP FLIGHTS from Knoxville to Great Falls (TYS - GTF)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$418

Typical prices: $383-$720

United Airlines

Sun 9/2Thu 9/6

TYS - GTF • 1 stop

Cheapest one-way

$373

Typical prices: $484-$484

United Airlines

Mon 11/19

TYS - GTF • 1 stop

Nonstop flights

Not available

There are currently no direct flights between Knoxville and Great Falls. You'll need to take a connecting flight to reach the destination.

Insights

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Great Falls!

Flight Deals

Cheap Flights from Knoxville to Great Falls (TYS-GTF)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Knoxville to Great Falls

Wed, Sep 2 - Sun, Sep 6

4:50 pm - 9:12 pmTYS Knoxville McGhee Tyson-GTF Great Falls

6h 22m1 stop Denver Intl

2:25 pm - 10:29 pmGTF Great Falls-TYS Knoxville McGhee Tyson

6h 04m1 stop Denver Intl

$418United Airlines

Wed, Sep 2 - Sun, Sep 6

10:40 am - 9:12 pmTYS Knoxville McGhee Tyson-GTF Great Falls

12h 32m2 stops Chicago O'Hare Intl Denver Intl

2:25 pm - 10:29 pmGTF Great Falls-TYS Knoxville McGhee Tyson

6h 04m1 stop Denver Intl

$424United Airlines

Wed, Sep 2 - Sun, Sep 6

10:40 am - 9:12 pmTYS Knoxville McGhee Tyson-GTF Great Falls

12h 32m2 stops Chicago O'Hare Intl Denver Intl

6:15 am - 9:45 pmGTF Great Falls-TYS Knoxville McGhee Tyson

13h 30m2 stops Denver Intl Houston George Bush Intcntl

$429United Airlines

Fri, Nov 6 - Tue, Nov 10

5:05 pm - 9:38 pmTYS Knoxville McGhee Tyson-GTF Great Falls

6h 33m1 stop Denver Intl

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

5h 47m1 stop Denver Intl

$448United Airlines

Fri, Nov 6 - Tue, Nov 10

5:05 pm - 9:38 pmTYS Knoxville McGhee Tyson-GTF Great Falls

6h 33m1 stop Denver Intl

6:30 am - 8:54 pmGTF Great Falls-TYS Knoxville McGhee Tyson

12h 24m2 stops Denver Intl Chicago O'Hare Intl

$454United Airlines

Fri, Nov 6 - Tue, Nov 10

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 - 3:00 pmGTF Great Falls-TYS Knoxville McGhee Tyson

6h 30m1 stop Denver Intl

$489United Airlines

Tue, Dec 22 - Mon, Dec 28

7:55 am - 5:43 pmTYS Knoxville McGhee Tyson-GTF Great Falls

11h 48m2 stops Minneapolis St Paul Salt Lake City

6:20 pm - 9:34 pmGTF Great Falls-TYS Knoxville McGhee Tyson

25h 14m2 stops Salt Lake City Detroit Metropolitan Wayne County

$757Delta

Tue, Dec 22 - Wed, Dec 30

7:55 am - 5:43 pmTYS Knoxville McGhee Tyson-GTF Great Falls

11h 48m2 stops Minneapolis St Paul Salt Lake City

5:30 am - 11:02 pmGTF Great Falls-TYS Knoxville McGhee Tyson

15h 32m2 stops Salt Lake City Minneapolis St Paul

$792Delta

Wed, Dec 23 - Mon, Dec 28

7:55 am - 10:53 pmTYS Knoxville McGhee Tyson-GTF Great Falls

16h 58m2 stops Minneapolis St Paul Salt Lake City

6:20 pm - 9:34 pmGTF Great Falls-TYS Knoxville McGhee Tyson

25h 14m2 stops Salt Lake City Detroit Metropolitan Wayne County

$951Delta

Tue, Dec 22 - Tue, Dec 29

7:55 am - 5:43 pmTYS Knoxville McGhee Tyson-GTF Great Falls

11h 48m2 stops Minneapolis St Paul Salt Lake City

6:20 pm - 9:12 amGTF Great Falls-TYS Knoxville McGhee Tyson

12h 52m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$1,047Delta

Booking Insights

Price, demand and travel trends for Knoxville to Great Falls flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Knoxville to Great Falls with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Knoxville to Great Falls?

Round-trip flights from Knoxville to Great Falls start at $418. Prices are typical for this route right now, with typical round-trip fares ranging from $383 to $720. The lowest price found in the past 5 days was $418 on United Airlines.

Find deals

Cheapest flight	$373

Flight from Knoxville to Great Falls

When to book flights from Knoxville to Great Falls

Are your dates flexible? Find out the best times to travel from Knoxville to Great Falls based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Knoxville to Great Falls?
Flights from Knoxville to Great Falls usually depart from Knoxville McGhee Tyson (TYS) and arrive at Great Falls (GTF).
What cabin classes can I book on flights from Knoxville to Great Falls?
Only Economy Class is available on flights from Knoxville to Great Falls.
Which airports do connecting flights from Knoxville to Great Falls pass through?
Most connecting flights from Knoxville to Great Falls pass through Denver Intl (DEN), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.
Can I save money by using flexible dates for flights from Knoxville to Great Falls?
Yes. Being flexible with your travel dates can save you up to 63% on the Knoxville to Great Falls route. Thursday is the cheapest departure day at $298 round-trip on average, while Saturday is the most expensive at $804, a difference of $506. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How long is a flight from Knoxville to Great Falls?
A nonstop flight from Knoxville to Great Falls takes 0h 00m, covering 1,614 miles.
What are the earliest and latest flights from Knoxville to Great Falls?
These are the earliest and latest flight times available from Knoxville to Great Falls:

• Earliest: departs at 12:00 am and lands at 12:00 am
• Latest: departs at 12:00 am and lands at 12:00 am.

The flight takes about 0h 00m.
Do I need a passport to fly from Knoxville to Great Falls?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
Have flight prices from Knoxville to Great Falls changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $418 to $1,671. That means the highest observed fare was about 4x higher than the lowest one.
How are flight prices from Knoxville to Great Falls looking right now?
One-way fares from Knoxville to Great Falls are currently higher than usual. Average one-way flight prices are about $625, which is 29% above the typical average for this route.
What is the time difference between Knoxville and Great Falls?
Great Falls is 2 hours behind Knoxville (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Great Falls Airport (GTF)?
Great Falls Airport (GTF) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:
· Avis
· Budget
· Alamo
· Hertz
· Enterprise Rent-A-Car
How much should I expect to pay for a Knoxville to Great Falls flight?
Round-trip flights from Knoxville to Great Falls range from $383 to $720, with an average of $605 over the past 12 months. Anything below $383 counts as a good deal.

If your dates can be flexible, aim for a Thursday departure instead of Saturday. On this route, Thursday flights average $298 - about $506 less than Saturday (63% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Great Falls Airport.
- Crystal Inn Hotel & Suites - Great Falls
- Comfort Inn & Suites Market - Airport
- Holiday Inn Express & Suites Great Falls By IHG

Everything you need to know for your flight from Knoxville to Great Falls

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Information on your arrival and departure airports

Knoxville (TYS)

Great Falls (GTF)

TYS - GTF

$373 Find Cheap Flights from Knoxville to Great Falls - Compare and Save

Everything you should know

Cheap Flights from Knoxville to Great Falls (TYS-GTF)

Recent round-trip flight deals from Knoxville to Great Falls

Recent one-way flight deals from Knoxville to Great Falls

Price, demand and travel trends for Knoxville to Great Falls flights

How much is a round-trip flight from Knoxville to Great Falls?

What is the cheapest airline to fly from Knoxville to Great Falls?

What is the cheapest layover airport when flying from Knoxville to Great Falls?

When flying from Knoxville to Great Falls which airport offers the shortest layover?

Key details for Knoxville to Great Falls flights

Cheapest flight

When to book flights from Knoxville to Great Falls

Your Knoxville to Great Falls flight questions, answered

Your guide to booking Knoxville to Great Falls flights

Everything you need to know for your flight from Knoxville to Great Falls

Information on your arrival and departure airports

Cabin class types available on flights from Knoxville to Great Falls

Complete your trip to Great Falls with a hotel stay or car rental

Find direct flights to and from Knoxville and Great Falls

Flights to other popular destinations

Flights from domestic origins to Great Falls

Choose which airport to fly into in Great Falls