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$289+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — GTF
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$289
(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 July 3, 2025.

This Delta deal was found by Cheapflights users on 7/3. 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 8/2311:32 amTYS - GTF
2 stops13h 13mDelta
Sat 8/3011:43 amGTF - TYS
2 stops10h 05mDelta
Deal found 7/3$289
This United Airlines deal was found by Cheapflights users on 7/2. 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 11/157:00 amTYS - GTF
2 stops8h 33mUnited Airlines
Tue 11/182:30 pmGTF - TYS
1 stop6h 00mUnited Airlines
Deal found 7/2$374
This Mytrip deal was found by Cheapflights users on 7/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/173:11 pmTYS - GTF
2 stops20h 13mMultiple Airlines
Mon 7/2110:14 amGTF - TYS
2 stops27h 51mMultiple Airlines
Deal found 7/2$448

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 July 3, 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 8/23

11:32 am-10:45 pm

2 stops13h 13m

Great Falls

Sat 8/30

11:43 am-11:48 pm

2 stops10h 05m

$289

KnoxvilleGreat Falls

TYS - GTF

TYSGTF

Knoxville McGhee Tyson

Sat 11/15

7:00 am-1:33 pm

2 stops8h 33m

Great Falls

Tue 11/18

2:30 pm-10:30 pm

1 stop6h 00m

$374

KnoxvilleGreat Falls

TYS - GTF

TYSGTF

Knoxville McGhee Tyson

Thu 7/17

3:11 pm-9:24 am

2 stops20h 13m

Great Falls

Mon 7/21

10:14 am-4:05 pm

2 stops27h 51m

$448

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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.

Reviews of airlines servicing Great Falls

Get insights into the airlines that provide service to Great Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Great Falls. Reviews last updated July 3, 2025.
See what other customers who have flown with Delta and United Airlines from Knoxville to Great Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Knoxville to Great Falls round-trip?

    Flying on Delta is currently your cheapest option to Great Falls, with prices starting at $289. Another option worth looking into is United Airlines, starting at $374 round trip.

  • 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

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