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$310+ Cheap flights from Helena to Louisville (HLN - SDF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — SDF
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Helena to Louisville

Cheapest flights from Helena to Louisville
Explore the most affordable flight options available from Helena to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/102:27 pm
HLN
-
SDF
1 stop5h 57m
United Airlines
Sat 2/143:15 pm
SDF
-
HLN
1 stop8h 01m
United Airlines
Deal found 1/26$339
This United Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/316:15 am
HLN
-
SDF
1 stop6h 11m
United Airlines
Tue 2/33:22 pm
SDF
-
HLN
1 stop8h 04m
United Airlines
Deal found 1/24$489
This United Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/292:25 pm
HLN
-
SDF
1 stop6h 14m
United Airlines
Mon 3/301:55 pm
SDF
-
HLN
2 stops25h 44m
United Airlines
Deal found 1/24$793

Find flight deals from Helena to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 27, 2026.

Round-trip from

$339
(United Airlines)

One-way from

$310
(Delta)
From Helena to Louisville Intl
Search Deals
One-way flight from Helena to Louisville Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Helena to Louisville 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, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from Helena to Louisville that are best for you.

Fly from

Helena

Fly to

Louisville

Route

Depart

Return

Price

HelenaLouisville

HLN - SDF

HLNSDF

Helena

Tue 2/10

2:27 pm-10:24 pm

1 stop5h 57m

Louisville Intl

Sat 2/14

3:15 pm-9:16 pm

1 stop8h 01m

$339

HelenaLouisville

HLN - SDF

HLNSDF

Helena

Sun 3/29

2:25 pm-10:39 pm

1 stop6h 14m

Louisville Intl

Mon 3/30

1:55 pm-1:39 pm

2 stops25h 44m

$793

HelenaLouisville

HLN - SDF

HLNSDF

Helena

Sat 7/4

5:45 am-3:44 pm

2 stops7h 59m

$310

HelenaLouisville

HLN - SDF

HLNSDF

Helena

Sat 7/4

2:30 pm-9:57 pm

1 stop5h 27m

$345

HelenaLouisville

HLN - SDF

HLNSDF

Helena

Fri 7/3

12:50 pm-11:59 pm

2 stops9h 09m

$413

HelenaLouisville

HLN - SDF

HLNSDF

Helena

Thu 6/25

12:50 pm-11:59 pm

2 stops9h 09m

$453

HelenaLouisville

HLN - SDF

HLNSDF

Helena

Thu 6/25

2:30 pm-9:57 pm

1 stop5h 27m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Best time to book a flight from Helena to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Helena with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Helena to Louisville

What is the cheapest month to book a flight from Helena to Louisville?

Currently, May is the cheapest month in which you can book a flight from Helena to Louisville (average of $166). Flying from Helena to Louisville in February is currently the most expensive (average of $393). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Louisville. Reviews last updated January 27, 2026.
Get a feel of what it's like to fly with United Airlines from Helena to Louisville by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,205 reviews

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,205 reviews
United Airlines
7.4
Good
9,205 reviews

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Helena to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Helena to Louisville?

    For as low as $339, United Airlines can have you in Louisville from Helena in 5h 57m. Airlines will cover a distance of 1451 mi.

  • What is the cheapest airline to fly from Helena to Louisville round-trip?

    United Airlines, at $249, was found to be the cheapest airline from Helena to Louisville..

  • Can I find deals for flights from Helena to Louisville that include hotel bookings?

    Yes. In addition to deals on Helena to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Helena to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to Louisville.

  • Can I find deals for business class flights from Helena to Louisville?

    Yes. Cheapflights offers flight deals from Helena to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Helena to Louisville?

    Currently, May is the cheapest month in which you can book a flight from Helena to Louisville (average of $166). Flying from Helena to Louisville in February is currently the most expensive (average of $393). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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Top airline flying from Helena to Louisville

Discover the top airline that operate flights from Helena to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$249Average$498FlexibilityNo cancel feeOn-time69%

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