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Cheap flights from Helena to Knoxville 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 Helena to Knoxville departing on 10/24. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Helena to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:30 pm - 10:14 pm
HLN
-
TYS
5h 44m
1 stop
United Airlines Logo
5:01 pm - 9:39 pm
TYS
-
HLN
6h 38m
1 stop
$449United Airlines
Sat, Oct 24 - Wed, Oct 28
United Airlines Logo
2:30 pm - 10:14 pm
HLN
-
TYS
5h 44m
1 stop
United Airlines Logo
7:00 am - 1:49 pm
TYS
-
HLN
8h 49m
2 stops
$454United Airlines
Sat, Oct 24 - Wed, Oct 28
United Airlines Logo
2:30 pm - 10:14 pm
HLN
-
TYS
5h 44m
1 stop
United Airlines Logo
5:01 pm - 9:39 pm
TYS
-
HLN
6h 38m
1 stop
$484United Airlines
Sat, Oct 24 - Wed, Oct 28
United Airlines Logo
2:30 pm - 10:14 pm
HLN
-
TYS
5h 44m
1 stop
United Airlines Logo
7:00 am - 1:49 pm
TYS
-
HLN
8h 49m
2 stops
$489United Airlines
Sat, Oct 24 - Wed, Oct 28
United Airlines Logo
6:25 am - 9:55 pm
HLN
-
TYS
13h 30m
2 stops
United Airlines Logo
7:00 am - 1:49 pm
TYS
-
HLN
8h 49m
2 stops
$539United Airlines
Sat, Oct 24 - Wed, Oct 28
United Airlines Logo
6:25 am - 9:00 pm
HLN
-
TYS
12h 35m
3 stops
United Airlines Logo
9:45 am - 9:39 pm
TYS
-
HLN
13h 54m
2 stops
$852United Airlines
Sat, Oct 24 - Wed, Oct 28
United Airlines Logo
7:00 am - 10:00 am
HLN
-
TYS
25h 00m
2 stops
United Airlines Logo
7:35 pm - 8:59 pm
TYS
-
HLN
27h 24m
2 stops
$856United Airlines
Mon, Dec 21 - Sun, Jan 3
United Airlines Logo
7:00 am - 10:20 pm
HLN
-
TYS
13h 20m
1 stop
United Airlines Logo
7:35 pm - 8:59 pm
TYS
-
HLN
27h 24m
2 stops
$900United Airlines
Mon, Dec 21 - Sun, Jan 3
United Airlines Logo
7:00 am - 10:00 am
HLN
-
TYS
25h 00m
2 stops
United Airlines Logo
7:35 pm - 8:59 pm
TYS
-
HLN
27h 24m
2 stops
$905United Airlines
Mon, Dec 21 - Sun, Jan 3
Delta Logo
12:57 pm - 11:55 pm
HLN
-
TYS
8h 58m
2 stops
Delta Logo
12:23 pm - 10:24 pm
TYS
-
HLN
12h 01m
2 stops
$988Delta
Thu, Oct 1 - Sun, Oct 4

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United Airlines flights from Helena to Knoxville

Our best United Airlines deals on Helena to Knoxville flight tickets
United Airlines
Oct 24
HLN2:30 pmHelena
5h 44m
1 stop
TYS10:14 pmKnoxville McGhee Tyson
Oct 28
TYS5:01 pmKnoxville McGhee Tyson
6h 38m
1 stop
HLN9:39 pmHelena
$449
United Airlines
Oct 24
HLN2:30 pmHelena
5h 44m
1 stop
TYS10:14 pmKnoxville McGhee Tyson
Oct 28
TYS7:00 amKnoxville McGhee Tyson
8h 49m
2 stops
HLN1:49 pmHelena
$454
United Airlines
Oct 24
HLN2:30 pmHelena
5h 44m
1 stop
TYS10:14 pmKnoxville McGhee Tyson
Oct 28
TYS5:01 pmKnoxville McGhee Tyson
6h 38m
1 stop
HLN9:39 pmHelena
$484

Delta flights from Helena to Knoxville

Our best Delta deals on Helena to Knoxville flight tickets
Delta
Dec 21
HLN1:09 pmHelena
8h 37m
2 stops
TYS11:46 pmKnoxville McGhee Tyson
Jan 3
TYS5:30 amKnoxville McGhee Tyson
8h 54m
2 stops
HLN12:24 pmHelena
$849
Delta
Oct 1
HLN12:57 pmHelena
8h 58m
2 stops
TYS11:55 pmKnoxville McGhee Tyson
Oct 4
TYS12:23 pmKnoxville McGhee Tyson
12h 01m
2 stops
HLN10:24 pmHelena
$988
Delta
Nov 21
HLN5:45 amHelena
9h 33m
2 stops
TYS5:18 pmKnoxville McGhee Tyson
Nov 29
TYS3:55 pmKnoxville McGhee Tyson
8h 46m
2 stops
HLN10:41 pmHelena
$1,020

momondo Fare Finder

 
Customize your flight search to find flights from Helena to Knoxville 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 June 28, 2026.
Use the filters below to find and compare flights from Helena to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

HelenaKnoxville

HLN - TYS

HLNTYS

Helena

Sat 10/24

2:30 pm-10:14 pm

1 stop5h 44m

Knoxville McGhee Tyson

Wed 10/28

5:01 pm-9:39 pm

1 stop6h 38m

$449

HelenaKnoxville

HLN - TYS

HLNTYS

Helena

Sat 10/24

2:30 pm-10:14 pm

1 stop5h 44m

Knoxville McGhee Tyson

Wed 10/28

7:00 am-1:49 pm

2 stops8h 49m

$454

HelenaKnoxville

HLN - TYS

HLNTYS

Helena

Sat 10/24

2:30 pm-10:14 pm

1 stop5h 44m

Knoxville McGhee Tyson

Wed 10/28

5:01 pm-9:39 pm

1 stop6h 38m

$484

HelenaKnoxville

HLN - TYS

HLNTYS

Helena

Sat 10/24

2:30 pm-10:14 pm

1 stop5h 44m

Knoxville McGhee Tyson

Wed 10/28

7:00 am-1:49 pm

2 stops8h 49m

$489

HelenaKnoxville

HLN - TYS

HLNTYS

Helena

Sat 10/24

6:25 am-9:55 pm

2 stops13h 30m

Knoxville McGhee Tyson

Wed 10/28

7:00 am-1:49 pm

2 stops8h 49m

$539

HelenaKnoxville

HLN - TYS

HLNTYS

Helena

Sat 10/24

6:25 am-9:00 pm

3 stops12h 35m

Knoxville McGhee Tyson

Wed 10/28

9:45 am-9:39 pm

2 stops13h 54m

$852

HelenaKnoxville

HLN - TYS

HLNTYS

Helena

Mon 12/21

7:00 am-10:00 am

2 stops25h 00m

Knoxville McGhee Tyson

Sun 1/3

7:35 pm-8:59 pm

2 stops27h 24m

$856

HelenaKnoxville

HLN - TYS

HLNTYS

Helena

Mon 12/21

7:00 am-10:20 pm

1 stop13h 20m

Knoxville McGhee Tyson

Sun 1/3

7:35 pm-8:59 pm

2 stops27h 24m

$900

HelenaKnoxville

HLN - TYS

HLNTYS

Helena

Mon 12/21

7:00 am-10:00 am

2 stops25h 00m

Knoxville McGhee Tyson

Sun 1/3

7:35 pm-8:59 pm

2 stops27h 24m

$905

HelenaKnoxville

HLN - TYS

HLNTYS

Helena

Thu 10/1

12:57 pm-11:55 pm

2 stops8h 58m

Knoxville McGhee Tyson

Sun 10/4

12:23 pm-10:24 pm

2 stops12h 01m

$988

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Knoxville from

How to get the cheapest flight ticket from Helena to Knoxville

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 airline that flies from Helena to Knoxville McGhee Tyson?

United Airlines is the most popular carrier operating from Helena to Knoxville McGhee Tyson

When to book flights from Helena to Knoxville

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

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

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

Fastest flight time

5h 44m

Direct flights

None
The fastest flight from Helena to Knoxville takes 5h 44m
There are no direct flights from Helena to Knoxville. There are no popular flight routes from Helena to Knoxville.
Search flight deals

Frequently asked questions about flying from Helena to Knoxville

  • How far is Helena to Knoxville McGhee Tyson by plane?

    A flight from Helena to Knoxville McGhee Tyson will travel around 1621.2 mi. Typically, this will take 5h 44m by plane in normal conditions.

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

    Prices for flights from Helena Airport to Knoxville McGhee Tyson Airport are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Helena Airport to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The travel and health documents you'll need for your trip to Knoxville McGhee Tyson Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Knoxville McGhee Tyson Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Alcoa
Maryville
Murphy
Crossville
Oak Ridge
Kodak
Newport
Lenoir City
Dandridge
Clinton
Jefferson City
Rockford

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Helena to Knoxville. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Knoxville from Helena which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Helena and Knoxville by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Helena to Knoxville now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Knoxville and let you know when they change.

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