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Cheap flights from Knoxville to Helena from $449

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 12/10. 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

United Airlines Logo
9:40 am - 9:22 pmTYS-HLN
13h 42m2 stops
United Airlines Logo
2:30 pm - 10:30 pmHLN-TYS
6h 00m1 stop
$449United Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
United Airlines Logo
4:30 pm - 9:22 pmTYS-HLN
6h 52m1 stop
United Airlines Logo
2:30 pm - 10:30 pmHLN-TYS
6h 00m1 stop
$478United Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
United Airlines Logo
9:40 am - 9:22 pmTYS-HLN
13h 42m2 stops
United Airlines Logo
2:30 pm - 10:30 pmHLN-TYS
6h 00m1 stop
$483United Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
United Airlines Logo
9:40 am - 9:22 pmTYS-HLN
13h 42m2 stops
United Airlines Logo
6:30 am - 7:29 pmHLN-TYS
10h 59m2 stops
$519United Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
United Airlines Logo
4:30 pm - 9:22 pmTYS-HLN
6h 52m1 stop
United Airlines Logo
2:30 pm - 10:30 pmHLN-TYS
6h 00m1 stop
$543United Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
United Airlines Logo
9:40 am - 9:22 pmTYS-HLN
13h 42m2 stops
United Airlines Logo
6:30 am - 7:29 pmHLN-TYS
10h 59m2 stops
$587United Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
United Airlines Logo
7:25 pm - 1:47 pmTYS-HLN
20h 22m2 stops
United Airlines Logo
2:30 pm - 10:30 pmHLN-TYS
6h 00m1 stop
$598United Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
United Airlines Logo
7:00 am - 4:04 pmTYS-HLN
11h 04m2 stops
United Airlines Logo
2:30 pm - 10:30 pmHLN-TYS
6h 00m1 stop
$600United Airlines
Find Deal
Thu, Sep 11 - Tue, Sep 16
Alaska Airlines Logo
6:00 am - 5:41 pmTYS-HLN
13h 41m2 stops
Alaska Airlines Logo
6:18 pm - 10:50 amHLN-TYS
14h 32m2 stops
$762Alaska Airlines
Find Deal
Tue, Oct 7 - Sun, Oct 12
Alaska Airlines Logo
8:09 am - 5:41 pmTYS-HLN
11h 32m2 stops
Alaska Airlines Logo
6:18 pm - 10:50 amHLN-TYS
14h 32m2 stops
$803Alaska Airlines
Find Deal
Fri, Oct 10 - Thu, Oct 16

United Airlines flights from Knoxville to Helena

Our best United Airlines deals on Knoxville to Helena flight tickets
United Airlines
Dec 10
TYS9:40 amKnoxville McGhee Tyson
13h 42m
2 stops
HLN9:22 pmHelena
Dec 13
HLN2:30 pmHelena
6h 00m
1 stop
TYS10:30 pmKnoxville McGhee Tyson
$449
Find similar
United Airlines
Dec 10
TYS4:30 pmKnoxville McGhee Tyson
6h 52m
1 stop
HLN9:22 pmHelena
Dec 13
HLN2:30 pmHelena
6h 00m
1 stop
TYS10:30 pmKnoxville McGhee Tyson
$478
Find similar
United Airlines
Dec 10
TYS9:40 amKnoxville McGhee Tyson
13h 42m
2 stops
HLN9:22 pmHelena
Dec 13
HLN2:30 pmHelena
6h 00m
1 stop
TYS10:30 pmKnoxville McGhee Tyson
$483
Find similar

Alaska Airlines flights from Knoxville to Helena

Our best Alaska Airlines deals on Knoxville to Helena flight tickets
Alaska Airlines
Oct 7
TYS6:00 amKnoxville McGhee Tyson
13h 41m
2 stops
HLN5:41 pmHelena
Oct 12
HLN6:18 pmHelena
14h 32m
2 stops
TYS10:50 amKnoxville McGhee Tyson
$762
Find similar
Alaska Airlines
Oct 10
TYS8:09 amKnoxville McGhee Tyson
11h 32m
2 stops
HLN5:41 pmHelena
Oct 16
HLN6:18 pmHelena
14h 32m
2 stops
TYS10:50 amKnoxville McGhee Tyson
$803
Find similar
Alaska Airlines
Oct 6
TYS6:00 amKnoxville McGhee Tyson
13h 41m
2 stops
HLN5:41 pmHelena
Oct 12
HLN6:18 pmHelena
14h 32m
2 stops
TYS10:50 amKnoxville McGhee Tyson
$863
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 August 3, 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

Wed 12/10

9:40 am-9:22 pm

2 stops13h 42m

Helena

Sat 12/13

2:30 pm-10:30 pm

1 stop6h 00m

$449

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Wed 12/10

4:30 pm-9:22 pm

1 stop6h 52m

Helena

Sat 12/13

2:30 pm-10:30 pm

1 stop6h 00m

$478

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Wed 12/10

9:40 am-9:22 pm

2 stops13h 42m

Helena

Sat 12/13

2:30 pm-10:30 pm

1 stop6h 00m

$483

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Wed 12/10

9:40 am-9:22 pm

2 stops13h 42m

Helena

Sat 12/13

6:30 am-7:29 pm

2 stops10h 59m

$519

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Wed 12/10

4:30 pm-9:22 pm

1 stop6h 52m

Helena

Sat 12/13

2:30 pm-10:30 pm

1 stop6h 00m

$543

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Wed 12/10

9:40 am-9:22 pm

2 stops13h 42m

Helena

Sat 12/13

6:30 am-7:29 pm

2 stops10h 59m

$587

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Wed 12/10

7:25 pm-1:47 pm

2 stops20h 22m

Helena

Sat 12/13

2:30 pm-10:30 pm

1 stop6h 00m

$598

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Thu 9/11

7:00 am-4:04 pm

2 stops11h 04m

Helena

Tue 9/16

2:30 pm-10:30 pm

1 stop6h 00m

$600

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Tue 10/7

6:00 am-5:41 pm

2 stops13h 41m

Helena

Sun 10/12

6:18 pm-10:50 am

2 stops14h 32m

$762

KnoxvilleHelena

TYS - HLN

TYSHLN

Knoxville McGhee Tyson

Fri 10/10

8:09 am-5:41 pm

2 stops11h 32m

Helena

Thu 10/16

6:18 pm-10:50 am

2 stops14h 32m

$803

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

Best Price Found

$449

Fastest flight time

6h 20m

Direct flights

None

Airports in Helena

1 airport
The best flight deal from Knoxville to Helena found on momondo in the last 72 hours is $449
The fastest flight from Knoxville to Helena takes 6h 20m
There are no direct flights from Knoxville to Helena. Popular non-direct route for this connection is Knoxville McGhee Tyson Airport - Helena Airport.
There is 1 airport near Helena: Helena (HLN)
Search flight deals

  • 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 6h 20m 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 $468Free CancellationRating
7.4
8,905 reviews
Search United Airlines flights

Why use momondo?

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?

Price alerts on flights to Helena from Knoxville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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