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Helena

$343+ Cheap flights from Knoxville to Helena (TYS - HLN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — HLN
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Knoxville to Helena

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Helena (HLN). 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 August 20, 2025.

Round-trip from

$409
(United Airlines)

One-way from

$343
(United Airlines)
From Knoxville McGhee Tyson to Helena
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One-way flight from Knoxville McGhee Tyson to Helena
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Find flight deals from Knoxville to Helena

Cheapest flights from Knoxville to Helena
Explore the most affordable flight options available from Knoxville to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/17. 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 12/109:40 amTYS - HLN
2 stops13h 42mUnited Airlines
Sat 12/132:30 pmHLN - TYS
1 stop6h 00mUnited Airlines
Deal found 8/17$409
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 10/78:50 amTYS - HLN
2 stops9h 50mUnited Airlines
Sun 10/125:18 pmHLN - TYS
2 stops27h 32mUnited Airlines
Deal found 8/18$641
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Mon 10/64:40 pmTYS - HLN
1 stop26h 00mUnited Airlines
Sun 10/125:18 pmHLN - TYS
1 stop19h 48mUnited Airlines
Deal found 8/18$805

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Helena 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 August 20, 2025.
Use the filters below to find and compare flights from Knoxville to Helena that are best for you.

Fly from

Knoxville

Fly to

Helena

Route

Depart

Return

Price

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Wed 12/10

9:40 am-9:22 pm

2 stops13h 42m

Helena

Sat 12/13

2:30 pm-10:30 pm

1 stop6h 00m

$409

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Tue 10/7

8:50 am-4:40 pm

2 stops9h 50m

Helena

Sun 10/12

5:18 pm-10:50 pm

2 stops27h 32m

$641

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Tue 9/9

8:52 am-1:30 pm

1 stop6h 38m

$343

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Sat 9/6

4:40 pm-10:14 pm

1 stop7h 34m

$399

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Sat 9/6

4:19 pm-10:13 pm

2 stops7h 54m

$404

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Sun 9/7

8:52 am-4:04 pm

1 stop9h 12m

$890

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Sun 9/7

5:45 am-12:20 pm

2 stops8h 35m

$1,195

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Tue 9/9

5:45 am-12:20 pm

2 stops8h 35m

$1,195

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Best time to book a flight from Knoxville to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena 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.

Cheapflights Insights

Everything you need to know about your flight from Knoxville to Helena

What is the cheapest month to book a flight from Knoxville to Helena?

Currently, February is the cheapest month in which you can book a flight from Knoxville to Helena (average of $353). Flying from Knoxville to Helena in May is currently the most expensive (average of $517). 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.

Reviews of airlines servicing Helena

Get insights into the airlines that provide service to Helena. 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 Helena. Reviews last updated August 20, 2025.
Get a feel of what it's like to fly with United Airlines from Knoxville to Helena by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,928 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,928 reviews
United Airlines
7.4
Good
8,928 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Helena. 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 Helena?

    For as low as $409, United Airlines can have you in Helena from Knoxville in 13h 42m. The distance from Knoxville to Helena is about 1622 mi.

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

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

  • How can I find direct flights from Knoxville to Helena?

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

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

    Yes. Cheapflights offers flight deals from Knoxville to Helena 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 Helena?

    Currently, February is the cheapest month in which you can book a flight from Knoxville to Helena (average of $353). Flying from Knoxville to Helena in May is currently the most expensive (average of $517). 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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Top airline flying from Knoxville to Helena

Discover the top airline that operate flights from Knoxville to Helena. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$468Average$537FlexibilityNo cancel feeOn-time69%

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