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Helena

$379+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — HLN
Aug 18 — Aug 251
Tue 8/18
Tue 8/25
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 July 19, 2026.

This United Airlines deal was found by Cheapflights users on 7/16. 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 10/319:00 am
TYS
-
HLN
1 stop6h 49m
United Airlines
Wed 11/42:34 pm
HLN
-
TYS
1 stop6h 04m
United Airlines
Deal found 7/16$449
This United Airlines deal was found by Cheapflights users on 7/17. 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.
Sat 8/14:56 pm
TYS
-
HLN
1 stop6h 24m
United Airlines
Wed 8/52:20 pm
HLN
-
TYS
1 stop5h 59m
United Airlines
Deal found 7/17$506
This United Airlines deal was found by Cheapflights users on 7/17. 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.
Sat 7/184:56 pm
TYS
-
HLN
1 stop6h 24m
United Airlines
Sat 7/256:15 am
HLN
-
TYS
2 stops12h 19m
United Airlines
Deal found 7/17$614
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Sun 11/85:01 pm
TYS
-
HLN
1 stop6h 38m
United Airlines
Sat 11/146:15 am
HLN
-
TYS
2 stops11h 21m
United Airlines
Deal found 7/16$683
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Fri 7/314:56 pm
TYS
-
HLN
1 stop6h 24m
United Airlines
Tue 8/46:15 am
HLN
-
TYS
1 stop7h 38m
United Airlines
Deal found 7/16$793
This United Airlines deal was found by Cheapflights users on 7/17. 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.
Fri 9/184:50 pm
TYS
-
HLN
1 stop6h 40m
United Airlines
Fri 9/256:25 am
HLN
-
TYS
1 stop7h 24m
United Airlines
Deal found 7/17$829

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 July 19, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$449
(United Airlines)

One-way from

$379
(Delta)
Provider with most accurate pricing for Knoxville McGhee Tyson-Helena flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Helena flights.
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From Knoxville McGhee Tyson to Helena
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One-way flight from Knoxville McGhee Tyson to Helena
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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 July 19, 2026.
Use the filters below to find and compare flights from Knoxville to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Sat 8/1

4:56 pm-9:20 pm

1 stop6h 24m

Helena

Wed 8/5

2:20 pm-10:19 pm

1 stop5h 59m

$506

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Thu 9/3

4:50 pm-9:30 pm

1 stop6h 40m

Helena

Wed 9/9

2:35 pm-10:44 pm

1 stop6h 09m

$614

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Fri 7/31

4:56 pm-9:20 pm

1 stop6h 24m

Helena

Tue 8/4

6:15 am-3:53 pm

1 stop7h 38m

$793

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Fri 9/18

4:50 pm-9:30 pm

1 stop6h 40m

Helena

Fri 9/25

6:25 am-3:49 pm

1 stop7h 24m

$829
Cheapest one-way

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Sat 8/8

6:00 am-12:15 pm

2 stops8h 15m

$379
Quickest one-way

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Sat 8/8

8:48 am-1:33 pm

1 stop6h 45m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/18

Sorted by cheapest first
  • 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.

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 $506, United Airlines can have you in Helena from Knoxville in 6h 24m. 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.

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