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Cheap flights from Louisville to Helena from $349

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Helena departing on 2/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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United Airlines Logo
9:00 am - 1:41 pmSDF-HLN
6h 41m1 stop
United Airlines Logo
6:15 am - 2:19 pmHLN-SDF
6h 04m1 stop
$349United Airlines
Find Deal
Sat, Feb 7 - Sat, Feb 14
Delta Logo
2:22 pm - 10:30 pmSDF-HLN
10h 08m2 stops
Delta Logo
5:30 am - 6:41 pmHLN-SDF
11h 11m2 stops
$384Delta
Find Deal
Fri, Nov 14 - Tue, Nov 18
United Airlines Logo
8:00 am - 1:27 pmSDF-HLN
7h 27m1 stop
United Airlines Logo
2:22 pm - 10:29 pmHLN-SDF
6h 07m1 stop
$454United Airlines
Find Deal
Fri, Nov 14 - Tue, Nov 18
United Airlines Logo
7:00 am - 1:27 pmSDF-HLN
8h 27m2 stops
United Airlines Logo
6:40 am - 2:19 pmHLN-SDF
5h 39m1 stop
$459United Airlines
Find Deal
Fri, Nov 14 - Tue, Nov 18
United Airlines Logo
3:20 pm - 9:22 pmSDF-HLN
8h 02m1 stop
United Airlines Logo
2:22 pm - 10:30 pmHLN-SDF
6h 08m1 stop
$503United Airlines
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Thu, Nov 20 - Tue, Nov 25
United Airlines Logo
8:17 am - 9:22 pmSDF-HLN
15h 05m2 stops
United Airlines Logo
2:22 pm - 10:30 pmHLN-SDF
6h 08m1 stop
$508United Airlines
Find Deal
Thu, Nov 20 - Tue, Nov 25
Delta Logo
5:35 am - 12:27 pmSDF-HLN
8h 52m2 stops
Delta Logo
1:07 pm - 11:50 pmHLN-SDF
8h 43m2 stops
$524Delta
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Sat, Feb 7 - Fri, Feb 13
Delta Logo
2:22 pm - 10:30 pmSDF-HLN
10h 08m2 stops
Delta Logo
1:06 pm - 12:06 amHLN-SDF
9h 00m2 stops
$529Delta
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Tue, Nov 18 - Sat, Nov 22
United Airlines Logo
11:00 am - 9:22 pmSDF-HLN
12h 22m2 stops
United Airlines Logo
2:22 pm - 7:27 pmHLN-SDF
27h 05m2 stops
$682United Airlines
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Thu, Nov 20 - Tue, Nov 25
United Airlines Logo
8:00 am - 1:27 pmSDF-HLN
7h 27m1 stop
United Airlines Logo
6:40 am - 7:27 pmHLN-SDF
10h 47m2 stops
$939United Airlines
Find Deal
Tue, Nov 18 - Sat, Nov 22

United Airlines flights from Louisville to Helena

Our best United Airlines deals on Louisville to Helena flight tickets
United Airlines
Feb 7
SDF9:00 amLouisville Intl
6h 41m
1 stop
HLN1:41 pmHelena
Feb 14
HLN6:15 amHelena
6h 04m
1 stop
SDF2:19 pmLouisville Intl
$349
Find similar
United Airlines
Nov 14
SDF8:00 amLouisville Intl
7h 27m
1 stop
HLN1:27 pmHelena
Nov 18
HLN2:22 pmHelena
6h 07m
1 stop
SDF10:29 pmLouisville Intl
$454
Find similar
United Airlines
Nov 14
SDF7:00 amLouisville Intl
8h 27m
2 stops
HLN1:27 pmHelena
Nov 18
HLN6:40 amHelena
5h 39m
1 stop
SDF2:19 pmLouisville Intl
$459
Find similar

Delta flights from Louisville to Helena

Our best Delta deals on Louisville to Helena flight tickets
Delta
Nov 14
SDF2:22 pmLouisville Intl
10h 08m
2 stops
HLN10:30 pmHelena
Nov 18
HLN5:30 amHelena
11h 11m
2 stops
SDF6:41 pmLouisville Intl
$384
Find similar
Delta
Feb 7
SDF5:35 amLouisville Intl
8h 52m
2 stops
HLN12:27 pmHelena
Feb 13
HLN1:07 pmHelena
8h 43m
2 stops
SDF11:50 pmLouisville Intl
$524
Find similar
Delta
Nov 18
SDF2:22 pmLouisville Intl
10h 08m
2 stops
HLN10:30 pmHelena
Nov 22
HLN1:06 pmHelena
9h 00m
2 stops
SDF12:06 amLouisville Intl
$529
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Louisville 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 4, 2025.
Use the filters below to find and compare flights from Louisville to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleHelena

SDF - HLN

SDFHLN

Louisville Intl

Sat 2/7

9:00 am-1:41 pm

1 stop6h 41m

Helena

Sat 2/14

6:15 am-2:19 pm

1 stop6h 04m

$349

LouisvilleHelena

SDF - HLN

SDFHLN

Louisville Intl

Fri 11/14

2:22 pm-10:30 pm

2 stops10h 08m

Helena

Tue 11/18

5:30 am-6:41 pm

2 stops11h 11m

$384

LouisvilleHelena

SDF - HLN

SDFHLN

Louisville Intl

Fri 11/14

8:00 am-1:27 pm

1 stop7h 27m

Helena

Tue 11/18

2:22 pm-10:29 pm

1 stop6h 07m

$454

LouisvilleHelena

SDF - HLN

SDFHLN

Louisville Intl

Fri 11/14

7:00 am-1:27 pm

2 stops8h 27m

Helena

Tue 11/18

6:40 am-2:19 pm

1 stop5h 39m

$459

LouisvilleHelena

SDF - HLN

SDFHLN

Louisville Intl

Thu 11/20

3:20 pm-9:22 pm

1 stop8h 02m

Helena

Tue 11/25

2:22 pm-10:30 pm

1 stop6h 08m

$503

LouisvilleHelena

SDF - HLN

SDFHLN

Louisville Intl

Thu 11/20

8:17 am-9:22 pm

2 stops15h 05m

Helena

Tue 11/25

2:22 pm-10:30 pm

1 stop6h 08m

$508

LouisvilleHelena

SDF - HLN

SDFHLN

Louisville Intl

Sat 2/7

5:35 am-12:27 pm

2 stops8h 52m

Helena

Fri 2/13

1:07 pm-11:50 pm

2 stops8h 43m

$524

LouisvilleHelena

SDF - HLN

SDFHLN

Louisville Intl

Tue 11/18

2:22 pm-10:30 pm

2 stops10h 08m

Helena

Sat 11/22

1:06 pm-12:06 am

2 stops9h 00m

$529

LouisvilleHelena

SDF - HLN

SDFHLN

Louisville Intl

Thu 11/20

11:00 am-9:22 pm

2 stops12h 22m

Helena

Tue 11/25

2:22 pm-7:27 pm

2 stops27h 05m

$682

LouisvilleHelena

SDF - HLN

SDFHLN

Louisville Intl

Tue 11/18

8:00 am-1:27 pm

1 stop7h 27m

Helena

Sat 11/22

6:40 am-7:27 pm

2 stops10h 47m

$939

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 Louisville 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 airlines fly to Helena?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Helena from Louisville according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 5 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.

When to book flights from Louisville to Helena

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

Cheap Louisville to Helena (SDF to HLN) flight deals and tips

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

Direct flights

None
There are no direct flights from Louisville to Helena. There are no popular flight routes from Louisville to Helena.
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  • How far is Louisville Intl to Helena by plane?

    The distance between Louisville Intl and Helena is about 1449.4 mi. By plane, this route typically takes 6h 41m.

  • When did momondo last update prices for flights from Louisville Intl Airport to Helena Airport?

    Prices for flights from Louisville Intl Airport to Helena Airport refresh daily.

  • How old do you have to be to fly from Louisville Intl 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 Louisville Intl Airport to Helena Airport.

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

    The necessary travel and health documents for your Helena Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Louisville 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 Louisville to Helena for you.

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

Yes. momondo allows you to filter the results for Louisville to Helena flights to just show those with flexible booking policies.

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

Once you have performed a search for Louisville to Helena flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Louisville to Helena flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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