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Helena

$422+ Cheap flights from Knoxville to Helena (TYS - HLN)

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — HLN
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap 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 January 28, 2026.

This United Airlines deal was found by Cheapflights users on 1/27. 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 2/114:25 pm
TYS
-
HLN
1 stop7h 01m
United Airlines
Sun 2/156:15 am
HLN
-
TYS
1 stop6h 50m
United Airlines
Deal found 1/27$422
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/177:25 pm
TYS
-
HLN
2 stops27h 51m
United Airlines
Tue 3/172:30 pm
HLN
-
TYS
2 stops18h 19m
United Airlines
Deal found 1/28$479
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Fri 4/37:00 am
TYS
-
HLN
2 stops32h 39m
United Airlines
Mon 4/132:25 pm
HLN
-
TYS
1 stop6h 04m
United Airlines
Deal found 1/27$483
This United Airlines deal was found by Cheapflights users on 1/26. 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 1/274:25 pm
TYS
-
HLN
1 stop7h 01m
United Airlines
Sat 1/312:27 pm
HLN
-
TYS
1 stop6h 04m
United Airlines
Deal found 1/26$609

Find 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 January 28, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$422
(United Airlines)
Provider with most accurate pricing for Knoxville McGhee Tyson-Helena flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Helena flights.
Search Deals
From Knoxville McGhee Tyson to Helena
Search Deals

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 January 28, 2026.
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 2/11

11:10 am-9:26 pm

2 stops12h 16m

Helena

Sun 2/15

6:15 am-3:05 pm

1 stop6h 50m

$428

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Tue 2/17

7:25 pm-9:16 pm

2 stops27h 51m

Helena

Tue 3/17

2:30 pm-10:49 am

2 stops18h 19m

$479

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Fri 4/3

7:00 am-1:39 pm

2 stops32h 39m

Helena

Mon 4/13

2:25 pm-10:29 pm

1 stop6h 04m

$483

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

  • Most accurate provider: When it comes to deals on Knoxville-Helena flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Knoxville-Helena flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Knoxville-Helena flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Helena flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Helena flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, January is the cheapest month in which you can book a flight from Knoxville to Helena (average of $273). Flying from Knoxville to Helena in May is currently the most expensive (average of $382). 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 January 28, 2026.
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
9,209 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,209 reviews
United Airlines
7.4
Good
9,209 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 $428, United Airlines can have you in Helena from Knoxville in 12h 16m. The distance from Knoxville to Helena is about 1622 mi.

  • What is the cheapest airline to fly from Knoxville to Helena round-trip?

    Cheapflights users have booked flights from Knoxville to Helena round-trip from $294.

  • 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, January is the cheapest month in which you can book a flight from Knoxville to Helena (average of $273). Flying from Knoxville to Helena in May is currently the most expensive (average of $382). 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.

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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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$294Average$537FlexibilityNo cancel feeOn-time69%

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