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$314+ Cheap flights from Knoxville to Great Falls (TYS - GTF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — GTF
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Knoxville to Great Falls

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Great Falls (GTF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$314
(Delta)
From Knoxville McGhee Tyson to Great Falls
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Find flight deals from Knoxville to Great Falls

Cheapest flights from Knoxville to Great Falls
Explore the most affordable flight options available from Knoxville to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/158:45 amTYS - GTF
2 stops10h 45mDelta
Tue 11/185:30 amGTF - TYS
2 stops12h 30mDelta
Deal found 9/16$314
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/154:40 pmTYS - GTF
1 stop6h 31mUnited Airlines
Sun 10/192:31 pmGTF - TYS
1 stop5h 57mUnited Airlines
Deal found 9/16$343
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/158:50 amTYS - GTF
1 stop6h 43mUnited Airlines
Tue 11/186:20 amGTF - TYS
1 stop6h 23mUnited Airlines
Deal found 9/16$368
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:40 amTYS - GTF
1 stop6h 46mUnited Airlines
Sun 10/197:00 amGTF - TYS
2 stops10h 52mUnited Airlines
Deal found 9/16$374

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Great Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Knoxville to Great Falls that are best for you.

Fly from

Knoxville

Fly to

Great Falls

Route

Depart

Return

Price

KnoxvilleGreat Falls

TYS - GTF

TYSGTF

Knoxville McGhee Tyson

Sat 11/15

8:45 am-5:30 pm

2 stops10h 45m

Great Falls

Tue 11/18

6:10 pm-9:37 am

2 stops13h 27m

$314

KnoxvilleGreat Falls

TYS - GTF

TYSGTF

Knoxville McGhee Tyson

Tue 9/30

4:40 pm-9:11 pm

1 stop6h 31m

Great Falls

Sat 10/4

7:00 am-3:06 pm

1 stop6h 06m

$328

KnoxvilleGreat Falls

TYS - GTF

TYSGTF

Knoxville McGhee Tyson

Wed 10/15

4:40 pm-9:11 pm

1 stop6h 31m

Great Falls

Sun 10/19

2:31 pm-10:28 pm

1 stop5h 57m

$343

KnoxvilleGreat Falls

TYS - GTF

TYSGTF

Knoxville McGhee Tyson

Sat 11/15

8:50 am-1:33 pm

1 stop6h 43m

Great Falls

Tue 11/18

6:20 am-2:43 pm

1 stop6h 23m

$368

KnoxvilleGreat Falls

TYS - GTF

TYSGTF

Knoxville McGhee Tyson

Thu 10/16

8:40 am-1:26 pm

1 stop6h 46m

Great Falls

Sun 10/19

7:00 am-7:52 pm

2 stops10h 52m

$374

KnoxvilleGreat Falls

TYS - GTF

TYSGTF

Knoxville McGhee Tyson

Fri 10/24

2:13 pm-9:37 pm

1 stop9h 24m

Great Falls

Sun 10/26

1:05 pm-6:19 pm

1 stop27h 14m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Knoxville to Great Falls

Have a flexible travel schedule? Discover the best time to fly to Great Falls from Knoxville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Great Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Knoxville to Great Falls?

    Departing from Knoxville to Great Falls will take you 6h 31m. There are 1614 mi between Knoxville and Great Falls. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Knoxville to Great Falls that include hotel bookings?

    Yes. In addition to deals on Knoxville to Great Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Great Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Great Falls.

  • Can I find deals for business class flights from Knoxville to Great Falls?

    Yes. Cheapflights offers flight deals from Knoxville to Great Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Knoxville to Great Falls?

    Currently, January is the cheapest month in which you can book a flight from Knoxville to Great Falls (average of $367). Flying from Knoxville to Great Falls in July is currently the most expensive (average of $574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Great Falls?

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