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Cheap flights from Knoxville to Helena from $324

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Helena departing on 1/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Knoxville to Helena

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:40 am - 12:27 pmTYS-HLN
8h 47m2 stops
Delta Logo
5:30 am - 8:47 pmHLN-TYS
13h 17m2 stops
$324Delta
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Sat, Jan 10 - Wed, Jan 14
United Airlines Logo
4:25 pm - 9:26 pmTYS-HLN
7h 01m1 stop
United Airlines Logo
2:27 pm - 10:31 pmHLN-TYS
6h 04m1 stop
$379United Airlines
Find Deal
Sat, Jan 10 - Wed, Jan 14
United Airlines Logo
1:59 pm - 9:26 pmTYS-HLN
9h 27m2 stops
United Airlines Logo
2:27 pm - 10:31 pmHLN-TYS
6h 04m1 stop
$384United Airlines
Find Deal
Sat, Jan 10 - Wed, Jan 14
United Airlines Logo
4:25 pm - 9:26 pmTYS-HLN
7h 01m1 stop
United Airlines Logo
2:27 pm - 10:31 pmHLN-TYS
6h 04m1 stop
$414United Airlines
Find Deal
Sat, Jan 10 - Wed, Jan 14
United Airlines Logo
7:25 pm - 1:27 pmTYS-HLN
20h 02m2 stops
United Airlines Logo
2:30 pm - 3:02 pmHLN-TYS
22h 32m1 stop
$632United Airlines
Find Deal
Fri, Apr 3 - Mon, Apr 13
United Airlines Logo
7:25 pm - 1:27 pmTYS-HLN
20h 02m2 stops
United Airlines Logo
2:30 pm - 8:46 pmHLN-TYS
28h 16m2 stops
$638United Airlines
Find Deal
Fri, Apr 3 - Mon, Apr 13
United Airlines Logo
9:15 am - 1:27 pmTYS-HLN
30h 12m2 stops
United Airlines Logo
2:30 pm - 3:02 pmHLN-TYS
22h 32m1 stop
$657United Airlines
Find Deal
Fri, Apr 3 - Mon, Apr 13
United Airlines Logo
7:25 pm - 1:27 pmTYS-HLN
20h 02m2 stops
United Airlines Logo
2:30 pm - 8:46 pmHLN-TYS
28h 16m2 stops
$663United Airlines
Find Deal
Fri, Apr 3 - Mon, Apr 13
United Airlines Logo
4:18 pm - 1:27 pmTYS-HLN
23h 09m1 stop
United Airlines Logo
2:30 pm - 3:02 pmHLN-TYS
22h 32m1 stop
$667United Airlines
Find Deal
Fri, Apr 3 - Mon, Apr 13
United Airlines Logo
7:25 pm - 1:27 pmTYS-HLN
20h 02m2 stops
United Airlines Logo
2:30 pm - 8:46 pmHLN-TYS
28h 16m3 stops
$687United Airlines
Find Deal
Fri, Apr 3 - Mon, Apr 13

United Airlines flights from Knoxville to Helena

Our best United Airlines deals on Knoxville to Helena flight tickets
United Airlines
Jan 10
TYS4:25 pmKnoxville McGhee Tyson
7h 01m
1 stop
HLN9:26 pmHelena
Jan 14
HLN2:27 pmHelena
6h 04m
1 stop
TYS10:31 pmKnoxville McGhee Tyson
$379
Find similar
United Airlines
Jan 10
TYS1:59 pmKnoxville McGhee Tyson
9h 27m
2 stops
HLN9:26 pmHelena
Jan 14
HLN2:27 pmHelena
6h 04m
1 stop
TYS10:31 pmKnoxville McGhee Tyson
$384
Find similar
United Airlines
Jan 10
TYS4:25 pmKnoxville McGhee Tyson
7h 01m
1 stop
HLN9:26 pmHelena
Jan 14
HLN2:27 pmHelena
6h 04m
1 stop
TYS10:31 pmKnoxville McGhee Tyson
$414
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 29, 2025.
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

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Sat 1/10

5:40 am-12:27 pm

2 stops8h 47m

Helena

Wed 1/14

5:30 am-8:47 pm

2 stops13h 17m

$324

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Sat 1/10

4:25 pm-9:26 pm

1 stop7h 01m

Helena

Wed 1/14

2:27 pm-10:31 pm

1 stop6h 04m

$379

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Sat 1/10

1:59 pm-9:26 pm

2 stops9h 27m

Helena

Wed 1/14

2:27 pm-10:31 pm

1 stop6h 04m

$384

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Sat 1/10

4:25 pm-9:26 pm

1 stop7h 01m

Helena

Wed 1/14

2:27 pm-10:31 pm

1 stop6h 04m

$414

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Fri 4/3

7:25 pm-1:27 pm

2 stops20h 02m

Helena

Mon 4/13

2:30 pm-3:02 pm

1 stop22h 32m

$632

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Fri 4/3

7:25 pm-1:27 pm

2 stops20h 02m

Helena

Mon 4/13

2:30 pm-8:46 pm

2 stops28h 16m

$638

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Fri 4/3

9:15 am-1:27 pm

2 stops30h 12m

Helena

Mon 4/13

2:30 pm-3:02 pm

1 stop22h 32m

$657

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Fri 4/3

7:25 pm-1:27 pm

2 stops20h 02m

Helena

Mon 4/13

2:30 pm-8:46 pm

2 stops28h 16m

$663

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Fri 4/3

4:18 pm-1:27 pm

1 stop23h 09m

Helena

Mon 4/13

2:30 pm-3:02 pm

1 stop22h 32m

$667

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Fri 4/3

7:25 pm-1:27 pm

2 stops20h 02m

Helena

Mon 4/13

2:30 pm-8:46 pm

3 stops28h 16m

$687

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Helena from

How to get the cheapest flight ticket from Knoxville to Helena

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest time of day to depart on your flight to Helena?

According to our data, the cheapest time of day to fly to Helena is in the afternoon. momondo users have found flights departing from Knoxville to Helena in the afternoon for as low as $619. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Helena is in the morning when prices are around $863.

When to book flights from Knoxville to Helena

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to Helena according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Knoxville to Helena (TYS to HLN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Helena

Fastest flight time

8h 47m

Direct flights

None
The fastest flight from Knoxville to Helena takes 8h 47m
There are no direct flights from Knoxville to Helena. There are no popular flight routes from Knoxville to Helena.
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  • How far is Knoxville McGhee Tyson to Helena by plane?

    The distance between Knoxville McGhee Tyson and Helena is about 1621.2 mi. Typically, this will take 7h 01m by plane in normal conditions.

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Helena Airport?

    Prices for flights from Knoxville McGhee Tyson Airport to Helena Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Helena Airport?

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Helena Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Knoxville McGhee Tyson Airport to Helena Airport.

  • What documentation or ID do you need to fly to Helena Airport?

    The required travel and health documents for your Helena Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helena Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Knoxville to Helena?

Best airlines flying from Knoxville to Helena

Compare and see reviews for airlines that fly from Knoxville to Helena with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $294Free CancellationRating
7.4
9,058 reviews
Search United Airlines flights

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Why should I use momondo to find a flight deal from Knoxville to Helena?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Knoxville to Helena for you.

Can I find flights from Knoxville to Helena with flexible booking policies on momondo?

Flights from Knoxville to Helena with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Knoxville to Helena?

momondo provides multiple filters to help you find the best flight to Helena from Knoxville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Knoxville to Helena right now. Can momondo alert me if prices change?

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