TYS - GTF

$404 Find Cheap Flights from Knoxville to Great Falls

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Knoxville to Great Falls departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Great Falls

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Knoxville to Great Falls, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Knoxville to Great Falls, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$404
United Airlines
Wed 8/19Mon 8/24
TYS - GTF • 1 stop
Cheapest one-way
$457
United Airlines
Wed 7/1
TYS - GTF • 1 stop
Top airlines
United Airlines
Cheapest • from $404 (round-trip)
United Airlines
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Knoxville and Great Falls. You'll need at least 1 connection.
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We hope you love your trip to Great Falls!
Flight Deals
Booking Insights
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Knoxville to Great Falls that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Knoxville to Great Falls

Wed, Aug 19 - Mon, Aug 24
United Airlines Logo
4:50 pm - 9:12 pm
TYS
-
GTF
6h 22m
1 stop
United Airlines Logo
6:15 am - 3:54 pm
GTF
-
TYS
7h 39m
1 stop
$404United Airlines
Wed, Aug 19 - Mon, Aug 24
United Airlines Logo
9:00 am - 1:29 pm
TYS
-
GTF
6h 29m
1 stop
United Airlines Logo
6:15 am - 3:54 pm
GTF
-
TYS
7h 39m
1 stop
$407United Airlines
Wed, Aug 19 - Mon, Aug 24
United Airlines Logo
4:50 pm - 9:12 pm
TYS
-
GTF
6h 22m
1 stop
United Airlines Logo
6:15 am - 9:45 pm
GTF
-
TYS
13h 30m
2 stops
$500United Airlines
Wed, Aug 19 - Mon, Aug 24
United Airlines Logo
9:45 am - 9:12 pm
TYS
-
GTF
13h 27m
2 stops
United Airlines Logo
6:15 am - 3:54 pm
GTF
-
TYS
7h 39m
1 stop
$570United Airlines
Sat, Oct 24 - Wed, Oct 28
Alaska Airlines Logo
6:00 am - 4:35 pm
TYS
-
GTF
12h 35m
2 stops
Alaska Airlines Logo
5:15 pm - 10:48 am
GTF
-
TYS
15h 33m
2 stops
$613Alaska Airlines
Sat, Oct 24 - Wed, Oct 28
Alaska Airlines Logo
6:00 am - 4:35 pm
TYS
-
GTF
12h 35m
2 stops
Alaska Airlines Logo
5:15 pm - 10:48 am
GTF
-
TYS
15h 33m
2 stops
$680Alaska Airlines
Sat, Oct 24 - Wed, Oct 28
United Airlines Logo
4:53 pm - 9:22 pm
TYS
-
GTF
6h 29m
1 stop
United Airlines Logo
6:15 am - 2:36 pm
GTF
-
TYS
6h 21m
1 stop
$681United Airlines
Wed, Aug 19 - Mon, Aug 24
United Airlines Logo
7:00 am - 1:29 pm
TYS
-
GTF
8h 29m
2 stops
United Airlines Logo
6:15 am - 9:45 pm
GTF
-
TYS
13h 30m
2 stops
$683United Airlines
Sat, Oct 24 - Wed, Oct 28
United Airlines Logo
9:45 am - 9:22 pm
TYS
-
GTF
13h 37m
2 stops
United Airlines Logo
2:25 pm - 10:20 pm
GTF
-
TYS
5h 55m
1 stop
$687United Airlines
Sat, Oct 24 - Wed, Oct 28
United Airlines Logo
5:05 pm - 9:21 pm
TYS
-
GTF
6h 16m
1 stop
United Airlines Logo
6:15 am - 2:36 pm
GTF
-
TYS
6h 21m
1 stop
$709United Airlines
Booking Insights

KAYAK's insights & trends for Knoxville to Great Falls flights

Get data-powered insights and trends into flights from Knoxville to Great Falls to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Knoxville to Great Falls?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 5 days.

In the past 5 days, the cheapest round-trip tickets from Knoxville to Great Falls were found on United Airlines ($404) and Alaska Airlines ($613).

Find deals

Good to know

Cheapest flight$404
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.

FAQs for booking flights from Knoxville to Great Falls

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

    In the last 5 days, the lowest price for a flight from Knoxville to Great Falls was $457 for a one-way ticket and $404 for a round-trip.

  • Do I need a passport to fly between Knoxville and Great Falls?

    No

  • Which aircraft models fly most regularly from Knoxville to Great Falls?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Knoxville to Great Falls?

    Star Alliance is the only airline alliance operating flights between Knoxville and Great Falls.

  • How does KAYAK find such low prices on flights from Knoxville to Great Falls?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Knoxville to Great Falls.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Knoxville to Great Falls?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Great Falls from Knoxville is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Knoxville to Great Falls?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Great Falls with an airline and back to Knoxville with another airline. Booking your flights between Knoxville and GTF can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Knoxville to Great Falls?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Great Falls from Knoxville up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Knoxville to Great Falls

 
See real verified KAYAK customer reviews for airlines flying from Knoxville to Great Falls. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Knoxville to Great Falls? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9777 reviews
7.7Boarding
8.1Crew
7.3Comfort
6.6Food
7.1Entertainment
Airline reviews

Destroyed my suitcase. Tired of talking about it. Cancelling my unite mileage plus account.

2.0 MediocreMike, Jun 2026
DEN - SNA
Read more United Airlines reviews

Destroyed my suitcase. Tired of talking about it. Cancelling my unite mileage plus account.

Read the fine print. This was my flight home. I booked my flight for the quickest way home. Had a carry-on and a personal item. Same as my outbound flight. Apparently I needed to pre-pay extra for my carry-on. When I checked in, I was told that I had to check it. I said I’ll pay for it, and was told that this wasn’t an option anymore. They said I still had to pay $50 to check my carry-on. I told them I’ll pay whatever to just carry it in as intended. I was not allowed, so eventually I paid $50 to check my carry-on under a plane that was half full, with overhead compartments that were even less full. My white carry-on suitcase was practically destroyed getting from Idaho falls to Denver to Orange County. The low price air fair was a bait and switch. Got me to the gate, made me pay extra, then didn’t even allow me to pay for a carry on. Not to mention that I paid the $8 for WiFi that didn’t work. All to get my suitcase destroyed. I don’t think I’m going to even keep my Untied mileage plus membership and card. Apparently, membership does not have its privileges for this one.

The flight was delayed, they didn’t even have water for the toilets or for drinks

Even through the flight was delayed due to storms near IAH The flight was great! The crew was so hospitable and professional

I flew from Santa Fe to Denver to catch a flight to London and the transfer of my luggage on arrival at Denver to the London flight worked perfectly. The crew on the ground and on board for the London flight were so friendly and efficient.

Boarded early; and arrived home 40 mins early. After a long flight, it’s nice to be back home early. These flights have no amenities; no snacks. So need to bring your own

Boarded early, left early, arrived 40 mins early! A win win for me!

New plane was lovely. Crew customer service is always lax but expected. Kraft on time and arrived safely.

These airplanes should be illegal. The seats are two tight, it is a safety issue. Wheelchair support was ridiculously slow. We almost missed our flight.

It was a short flight so I was expecting too much

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

Information on your arrival and departure airports

Knoxville (TYS)
Great Falls (GTF)