Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Helena to Knoxville from $359

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 11/7. 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
6:28 am - 4:04 pmHLN  Helena-TYS Knoxville McGhee Tyson
7h 36m1 stop Denver Intl
United Airlines Logo
5:05 pm - 9:31 pmTYS  Knoxville McGhee Tyson-HLN Helena
6h 26m1 stop Denver Intl
$359United Airlines
Sat, Nov 7 - Sat, Nov 14
United Airlines Logo
2:23 pm - 10:29 pmHLN  Helena-TYS Knoxville McGhee Tyson
6h 06m1 stop Denver Intl
United Airlines Logo
10:51 am - 9:31 pmTYS  Knoxville McGhee Tyson-HLN Helena
12h 40m2 stops Chicago O'Hare Intl Denver Intl
$364United Airlines
Sat, Nov 7 - Sat, Nov 14
United Airlines Logo
6:28 am - 9:57 pmHLN  Helena-TYS Knoxville McGhee Tyson
13h 29m2 stops Denver Intl Houston George Bush Intcntl
United Airlines Logo
1:56 pm - 9:31 pmTYS  Knoxville McGhee Tyson-HLN Helena
9h 35m2 stops Chicago O'Hare Intl Denver Intl
$449United Airlines
Sat, Nov 7 - Sat, Nov 14
Delta Logo
7:00 am - 5:59 pmHLN  Helena-TYS Knoxville McGhee Tyson
8h 59m2 stops Salt Lake City Detroit Metropolitan Wayne County
Delta Logo
4:03 pm - 12:22 pmTYS  Knoxville McGhee Tyson-HLN Helena
22h 19m2 stops Atlanta Hartsfield-Jackson Salt Lake City
$453Delta
Tue, Nov 10 - Sat, Nov 14
Delta Logo
7:00 am - 5:59 pmHLN  Helena-TYS Knoxville McGhee Tyson
8h 59m2 stops Salt Lake City Detroit Metropolitan Wayne County
Delta Logo
12:34 pm - 12:22 pmTYS  Knoxville McGhee Tyson-HLN Helena
25h 48m2 stops Atlanta Hartsfield-Jackson Salt Lake City
$453Delta
Tue, Nov 10 - Fri, Nov 13
Delta Logo
1:04 pm - 11:57 pmHLN  Helena-TYS Knoxville McGhee Tyson
8h 53m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
12:34 pm - 12:22 pmTYS  Knoxville McGhee Tyson-HLN Helena
25h 48m2 stops Atlanta Hartsfield-Jackson Salt Lake City
$453Delta
Mon, Nov 9 - Fri, Nov 13
Delta Logo
7:00 am - 5:59 pmHLN  Helena-TYS Knoxville McGhee Tyson
8h 59m2 stops Salt Lake City Detroit Metropolitan Wayne County
Delta Logo
4:03 pm - 12:22 pmTYS  Knoxville McGhee Tyson-HLN Helena
22h 19m2 stops Atlanta Hartsfield-Jackson Salt Lake City
$453Delta
Tue, Nov 10 - Mon, Nov 16
Delta Logo
1:08 pm - 10:53 amHLN  Helena-TYS Knoxville McGhee Tyson
19h 45m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
12:34 pm - 10:26 pmTYS  Knoxville McGhee Tyson-HLN Helena
11h 52m2 stops Atlanta Hartsfield-Jackson Salt Lake City
$453Delta
Fri, Nov 6 - Wed, Nov 11
Delta Logo
1:08 pm - 3:26 pmHLN  Helena-TYS Knoxville McGhee Tyson
24h 18m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
12:34 pm - 10:26 pmTYS  Knoxville McGhee Tyson-HLN Helena
11h 52m2 stops Atlanta Hartsfield-Jackson Salt Lake City
$453Delta
Sat, Nov 7 - Wed, Nov 11
Delta Logo
1:04 pm - 11:57 pmHLN  Helena-TYS Knoxville McGhee Tyson
8h 53m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
7:21 pm - 12:22 pmTYS  Knoxville McGhee Tyson-HLN Helena
19h 01m2 stops Atlanta Hartsfield-Jackson Salt Lake City
$453Delta
Mon, Nov 9 - Mon, Nov 16

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from Helena to Knoxville

Our best United Airlines deals on Helena to Knoxville flight tickets
United Airlines
Nov 7
HLN6:28 amHelena
7h 36m
1 stop
TYS4:04 pmKnoxville McGhee Tyson
Nov 14
TYS5:05 pmKnoxville McGhee Tyson
6h 26m
1 stop
HLN9:31 pmHelena
$359
United Airlines
Nov 7
HLN2:23 pmHelena
6h 06m
1 stop
TYS10:29 pmKnoxville McGhee Tyson
Nov 14
TYS10:51 amKnoxville McGhee Tyson
12h 40m
2 stops
HLN9:31 pmHelena
$364
United Airlines
Nov 7
HLN6:28 amHelena
13h 29m
2 stops
TYS9:57 pmKnoxville McGhee Tyson
Nov 14
TYS1:56 pmKnoxville McGhee Tyson
9h 35m
2 stops
HLN9:31 pmHelena
$449

Delta flights from Helena to Knoxville

Our best Delta deals on Helena to Knoxville flight tickets
Delta
Nov 9
HLN1:04 pmHelena
8h 53m
2 stops
TYS11:57 pmKnoxville McGhee Tyson
Nov 13
TYS12:34 pmKnoxville McGhee Tyson
25h 48m
2 stops
HLN12:22 pmHelena
$453
Delta
Nov 6
HLN1:08 pmHelena
19h 45m
2 stops
TYS10:53 amKnoxville McGhee Tyson
Nov 12
TYS12:34 pmKnoxville McGhee Tyson
11h 52m
2 stops
HLN10:26 pmHelena
$483
Delta
Nov 5
HLN1:08 pmHelena
19h 37m
2 stops
TYS10:45 amKnoxville McGhee Tyson
Nov 12
TYS2:40 pmKnoxville McGhee Tyson
9h 46m
2 stops
HLN10:26 pmHelena
$514

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 August 13, 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 Helena - TYS Knoxville McGhee Tyson

HLNTYS

Helena

Sat 11/7

6:28 am-4:04 pm

1 stop7h 36m

Knoxville McGhee Tyson

Sat 11/14

5:05 pm-9:31 pm

1 stop6h 26m

$359

HelenaKnoxville

HLN Helena - TYS Knoxville McGhee Tyson

HLNTYS

Helena

Sat 11/7

2:23 pm-10:29 pm

1 stop6h 06m

Knoxville McGhee Tyson

Sat 11/14

10:51 am-9:31 pm

2 stops12h 40m

$364

HelenaKnoxville

HLN Helena - TYS Knoxville McGhee Tyson

HLNTYS

Helena

Sat 11/7

6:28 am-9:57 pm

2 stops13h 29m

Knoxville McGhee Tyson

Sat 11/14

1:56 pm-9:31 pm

2 stops9h 35m

$449

HelenaKnoxville

HLN Helena - TYS Knoxville McGhee Tyson

HLNTYS

Helena

Tue 11/10

7:00 am-5:59 pm

2 stops8h 59m

Knoxville McGhee Tyson

Sat 11/14

4:03 pm-12:22 pm

2 stops22h 19m

$453

HelenaKnoxville

HLN Helena - TYS Knoxville McGhee Tyson

HLNTYS

Helena

Tue 11/10

7:00 am-5:59 pm

2 stops8h 59m

Knoxville McGhee Tyson

Fri 11/13

12:34 pm-12:22 pm

2 stops25h 48m

$453

HelenaKnoxville

HLN Helena - TYS Knoxville McGhee Tyson

HLNTYS

Helena

Mon 11/9

1:04 pm-11:57 pm

2 stops8h 53m

Knoxville McGhee Tyson

Fri 11/13

12:34 pm-12:22 pm

2 stops25h 48m

$453

HelenaKnoxville

HLN Helena - TYS Knoxville McGhee Tyson

HLNTYS

Helena

Tue 11/10

7:00 am-5:59 pm

2 stops8h 59m

Knoxville McGhee Tyson

Mon 11/16

4:03 pm-12:22 pm

2 stops22h 19m

$453

HelenaKnoxville

HLN Helena - TYS Knoxville McGhee Tyson

HLNTYS

Helena

Fri 11/6

1:08 pm-10:53 am

2 stops19h 45m

Knoxville McGhee Tyson

Wed 11/11

12:34 pm-10:26 pm

2 stops11h 52m

$453

HelenaKnoxville

HLN Helena - TYS Knoxville McGhee Tyson

HLNTYS

Helena

Sat 11/7

1:08 pm-3:26 pm

2 stops24h 18m

Knoxville McGhee Tyson

Wed 11/11

12:34 pm-10:26 pm

2 stops11h 52m

$453

HelenaKnoxville

HLN Helena - TYS Knoxville McGhee Tyson

HLNTYS

Helena

Mon 11/9

1:04 pm-11:57 pm

2 stops8h 53m

Knoxville McGhee Tyson

Mon 11/16

7:21 pm-12:22 pm

2 stops19h 01m

$453

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 50m

Direct flights

None
The fastest flight from Helena to Knoxville takes 5h 50m
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 50m 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.

Frequently asked questions about flying from Helena to Knoxville

  • How do I get Price Alerts for flights from Helena to Knoxville?

    Confirm your travel details to search for the latest offers for flights from Helena to Knoxville. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Helena to Knoxville with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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
Crossville
Murphy
Oak Ridge
Kodak
Newport
Dandridge
Lenoir City
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.

An easier way to manage your Knoxville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 9/12
Sat 9/19
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States