HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Helena

$419+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — HLN
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to Helena with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 24, 2026.

This United Airlines deal was found by Cheapflights users on 3/24. 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 4/84:30 pm
TYS
-
HLN
1 stop7h 03m
United Airlines
Sun 4/122:25 pm
HLN
-
TYS
1 stop6h 04m
United Airlines
Deal found 3/24$419
This United Airlines deal was found by Cheapflights users on 3/21. 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 4/310:49 am
TYS
-
HLN
2 stops28h 50m
United Airlines
Mon 4/132:25 pm
HLN
-
TYS
1 stop6h 04m
United Airlines
Deal found 3/21$688
This United Airlines deal was found by Cheapflights users on 3/23. 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 5/14:20 pm
TYS
-
HLN
1 stop7h 26m
United Airlines
Sun 5/36:15 am
HLN
-
TYS
2 stops8h 44m
United Airlines
Deal found 3/23$806
This United Airlines deal was found by Cheapflights users on 3/21. 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 7/104:56 pm
TYS
-
HLN
1 stop6h 24m
United Airlines
Mon 7/202:20 pm
HLN
-
TYS
1 stop5h 59m
United Airlines
Deal found 3/21$898
This United Airlines deal was found by Cheapflights users on 3/22. 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 4/64:30 pm
TYS
-
HLN
1 stop7h 03m
United Airlines
Fri 4/106:15 am
HLN
-
TYS
1 stop6h 51m
United Airlines
Deal found 3/22$907
This Delta deal was found by Cheapflights users on 3/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/85:40 am
TYS
-
HLN
2 stops8h 41m
Delta
Sun 4/121:02 pm
HLN
-
TYS
2 stops8h 55m
Delta
Deal found 3/24$920
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:00 am
TYS
-
HLN
2 stops13h 45m
Alaska Airlines
Sun 5/36:22 pm
HLN
-
TYS
2 stops14h 04m
Alaska Airlines
Deal found 3/23$926

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 March 24, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$688
(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 March 24, 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

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Wed 4/8

4:30 pm-9:33 pm

1 stop7h 03m

Helena

Sun 4/12

2:25 pm-10:29 pm

1 stop6h 04m

$419

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Fri 4/3

10:49 am-1:39 pm

2 stops28h 50m

Helena

Mon 4/13

2:25 pm-10:29 pm

1 stop6h 04m

$688

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Fri 5/1

4:20 pm-9:46 pm

1 stop7h 26m

Helena

Sun 5/3

6:15 am-4:59 pm

2 stops8h 44m

$806
Quickest round-trip

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Fri 7/10

4:56 pm-9:20 pm

1 stop6h 24m

Helena

Mon 7/20

2:20 pm-10:19 pm

1 stop5h 59m

$898

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Mon 4/6

4:30 pm-9:33 pm

1 stop7h 03m

Helena

Fri 4/10

6:15 am-3:06 pm

1 stop6h 51m

$907

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Fri 6/26

4:56 pm-9:20 pm

1 stop6h 24m

Helena

Fri 8/7

6:15 am-3:53 pm

1 stop7h 38m

$1,085

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Mon 4/6

5:40 am-12:21 pm

2 stops8h 41m

Helena

Fri 4/10

1:02 pm-11:57 pm

2 stops8h 55m

$1,141

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

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.

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 $366). 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 March 24, 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
9,469 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

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
9,469 reviews
United Airlines
7.4
Good
9,469 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

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 $419, United Airlines can have you in Helena from Knoxville in 7h 03m. 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 $366). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$294Average$515FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.