How long is the flight from Knoxville to Helena?

For as low as $449, United Airlines can have you in Helena from Knoxville in 6h 25m. The distance from Knoxville to Helena is about 1622 mi.

In terms of precipitation, rainfall in Helena ranges from 0.3 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Helena when rainfall is around 0.3 in.

If weather is an important factor for your trip to Helena, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 21.2 F).

What is the cheapest time of day to fly from TYS to HLN?

When flying from Knoxville to Helena, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$378+ Cheap Flights from Knoxville to Helena

Q: E

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.

Q: 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.

Q: 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.

Q: 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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Cheap flight deals from Knoxville to Helena

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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 September 17, 2026.

Tue 9/294:53 pm -

1 stop6h 25m

Sat 10/32:30 pm -

1 stop5h 44m

Deal found 9/14

$449

Sat 11/149:00 am -

1 stop6h 40m

Tue 11/172:23 pm -

1 stop6h 09m

Deal found 9/15

$479

Sat 12/126:25 am -

2 stops9h 27m

Thu 1/77:00 am -

1 stop5h 36m

Deal found 9/16

$519

Sat 10/104:53 pm -

1 stop6h 15m

Sat 10/172:30 pm -

1 stop5h 44m

Deal found 9/14

$559

Find flight deals from Knoxville to Helena

Most accurate provider	Expedia 1 star
Most trusted provider	Expedia 3 stars
Round-trip from	$449 (United Airlines)
One-way from	$378 (Expedia)

Provider with most accurate pricing for Knoxville McGhee Tyson-Helena flight deals.

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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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Price

Cheapest round-trip

KnoxvilleHelena

TYS Knoxville McGhee Tyson - HLN Helena

TYSHLN

Knoxville McGhee Tyson

Tue 12/15

5:30 am-4:18 pm

2 stops12h 48m

Helena

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$378

Quickest round-trip

KnoxvilleHelena

TYS Knoxville McGhee Tyson - HLN Helena

TYSHLN

Knoxville McGhee Tyson

Tue 12/15

4:43 pm-9:46 pm

1 stop7h 03m

Helena

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$389

KnoxvilleHelena

TYS Knoxville McGhee Tyson - HLN Helena

TYSHLN

Knoxville McGhee Tyson

Tue 9/29

4:53 pm-9:18 pm

1 stop6h 25m

Helena

Sat 10/3

2:30 pm-10:14 pm

1 stop5h 44m

$449

KnoxvilleHelena

TYS Knoxville McGhee Tyson - HLN Helena

TYSHLN

Knoxville McGhee Tyson

Sat 11/14

9:00 am-1:40 pm

1 stop6h 40m

Helena

Tue 11/17

2:23 pm-10:32 pm

1 stop6h 09m

$479

KnoxvilleHelena

TYS Knoxville McGhee Tyson - HLN Helena

TYSHLN

Knoxville McGhee Tyson

Sat 12/12

4:43 pm-9:46 pm

1 stop7h 03m

Helena

Thu 1/7

7:00 am-2:36 pm

1 stop5h 36m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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.

TYS-HLN

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

How long is the flight from Knoxville to Helena?
For as low as $449, United Airlines can have you in Helena from Knoxville in 6h 25m. 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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$378+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Knoxville to Helena with Cheapflights

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Cheap flight deals from Knoxville to Helena

Cheapest flights from Knoxville to HelenaExplore 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 September 17, 2026.

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 September 17, 2026.

Best flights from Knoxville to HelenaDiscover carefully curated flight deals from Knoxville to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.

Discover carefully curated flight deals from Knoxville to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.

Last-minute flights from Knoxville to HelenaDiscover last-minute flight deals from Knoxville to Helena. Data last updated September 17, 2026 and is based on user searches.

Discover last-minute flight deals from Knoxville to Helena. Data last updated September 17, 2026 and is based on user searches.

One-way flights from Knoxville to HelenaSearch for one-way flight options from Knoxville to Helena. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.

Search for one-way flight options from Knoxville to Helena. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.

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Related info for your journey

How long is the flight from Knoxville to Helena?

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

How can I find direct flights from Knoxville to Helena?

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

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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 September 17, 2026.

Best flights from Knoxville to Helena
Discover carefully curated flight deals from Knoxville to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.

Last-minute flights from Knoxville to Helena
Discover last-minute flight deals from Knoxville to Helena. Data last updated September 17, 2026 and is based on user searches.

One-way flights from Knoxville to Helena
Search for one-way flight options from Knoxville to Helena. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.