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Cheap flights from Helena to Knoxville from $309

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 3/4. 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 Helena to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:25 pm - 10:30 pm
HLN
-
TYS
6h 05m
1 stop
United Airlines Logo
8:40 am - 1:38 pm
TYS
-
HLN
6h 58m
1 stop
$309United Airlines
mié., mar. 4 - mié., mar. 11
United Airlines Logo
2:25 pm - 10:30 pm
HLN
-
TYS
6h 05m
1 stop
United Airlines Logo
7:00 am - 1:38 pm
TYS
-
HLN
8h 38m
2 stops
$314United Airlines
mié., mar. 4 - mié., mar. 11
United Airlines Logo
6:15 am - 8:37 pm
HLN
-
TYS
12h 22m
2 stops
United Airlines Logo
7:00 am - 1:38 pm
TYS
-
HLN
8h 38m
2 stops
$342United Airlines
mié., mar. 4 - mié., mar. 11
United Airlines Logo
6:15 am - 8:37 pm
HLN
-
TYS
12h 22m
2 stops
United Airlines Logo
7:00 am - 9:25 pm
TYS
-
HLN
16h 25m
3 stops
$465United Airlines
mié., mar. 4 - mié., mar. 11

United Airlines flights from Helena to Knoxville

Our best United Airlines deals on Helena to Knoxville flight tickets
United Airlines
Mar 4
HLN2:25 pmHelena
6h 05m
1 stop
TYS10:30 pmKnoxville McGhee Tyson
Mar 11
TYS8:40 amKnoxville McGhee Tyson
6h 58m
1 stop
HLN1:38 pmHelena
$309
United Airlines
Mar 4
HLN2:25 pmHelena
6h 05m
1 stop
TYS10:30 pmKnoxville McGhee Tyson
Mar 11
TYS7:00 amKnoxville McGhee Tyson
8h 38m
2 stops
HLN1:38 pmHelena
$314
United Airlines
Mar 4
HLN6:15 amHelena
12h 22m
2 stops
TYS8:37 pmKnoxville McGhee Tyson
Mar 11
TYS7:00 amKnoxville McGhee Tyson
8h 38m
2 stops
HLN1:38 pmHelena
$342

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 febrero 6, 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

HelenaKnoxville

HLN - TYS

HLNTYS

Helena

mié. 3/4

2:25 pm-10:30 pm

1 stop6h 05m

Knoxville McGhee Tyson

mié. 3/11

8:40 am-1:38 pm

1 stop6h 58m

$309

HelenaKnoxville

HLN - TYS

HLNTYS

Helena

mié. 3/4

2:25 pm-10:30 pm

1 stop6h 05m

Knoxville McGhee Tyson

mié. 3/11

7:00 am-1:38 pm

2 stops8h 38m

$314

HelenaKnoxville

HLN - TYS

HLNTYS

Helena

mié. 3/4

6:15 am-8:37 pm

2 stops12h 22m

Knoxville McGhee Tyson

mié. 3/11

7:00 am-1:38 pm

2 stops8h 38m

$342

HelenaKnoxville

HLN - TYS

HLNTYS

Helena

mié. 3/4

6:15 am-8:37 pm

2 stops12h 22m

Knoxville McGhee Tyson

mié. 3/11

7:00 am-9:25 pm

3 stops16h 25m

$465

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

6h 04m

Direct flights

None
The fastest flight from Helena to Knoxville takes 6h 04m
There are no direct flights from Helena to Knoxville. There are no popular flight routes from Helena to Knoxville.
Search flight deals

  • 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 6h 04m 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.

  • 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
Crossville
Maryville
Alcoa
Murphy
Oak Ridge
Lenoir City
Newport
Kodak
Dandridge
Jefferson City
Clinton
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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1 adult
dom. 3/8
dom. 3/15
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