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$349+ Cheap flights from Helena to Louisville (HLN - SDF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — SDF
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find 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 October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. 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 12/96:30 amHLN - SDF
1 stop6h 00mUnited Airlines
Sat 12/133:33 pmSDF - HLN
1 stop7h 49mUnited Airlines
Deal found 10/27$349
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:30 amHLN - SDF
2 stops11h 15mDelta
Sat 12/137:50 amSDF - HLN
2 stops30h 35mDelta
Deal found 10/27$407
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 11/286:40 amHLN - SDF
1 stop5h 39mUnited Airlines
Mon 12/13:20 pmSDF - HLN
1 stop24h 27mUnited Airlines
Deal found 10/28$737
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 11/276:40 amHLN - SDF
1 stop5h 39mUnited Airlines
Sun 11/303:20 pmSDF - HLN
1 stop24h 07mUnited Airlines
Deal found 10/28$1,425
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/275:30 amHLN - SDF
2 stops11h 42mDelta
Sun 11/302:22 pmSDF - HLN
2 stops10h 08mDelta
Deal found 10/28$1,719

Cheap 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 October 28, 2025.

Round-trip from

$349
(United Airlines)
From Helena to Louisville Intl
Search Deals

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 October 28, 2025.
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 12/9

2:30 pm-10:09 pm

1 stop5h 39m

Louisville Intl

Sat 12/13

3:33 pm-9:22 pm

1 stop7h 49m

$349

HelenaLouisville

HLN - SDF

HLNSDF

Helena

Tue 12/9

5:30 am-5:36 pm

2 stops10h 06m

Louisville Intl

Sat 12/13

12:37 pm-12:25 pm

2 stops25h 48m

$407

HelenaLouisville

HLN - SDF

HLNSDF

Helena

Fri 11/28

6:40 am-2:19 pm

1 stop5h 39m

Louisville Intl

Mon 12/1

3:20 pm-1:47 pm

1 stop24h 27m

$737

HelenaLouisville

HLN - SDF

HLNSDF

Helena

Thu 11/27

6:40 am-2:19 pm

1 stop5h 39m

Louisville Intl

Sun 11/30

3:20 pm-1:27 pm

1 stop24h 07m

$1,425

HelenaLouisville

HLN - SDF

HLNSDF

Helena

Thu 11/27

5:30 am-7:12 pm

2 stops11h 42m

Louisville Intl

Sun 11/30

2:22 pm-10:30 pm

2 stops10h 08m

$1,719

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

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 $190). Flying from Helena to Louisville in January is currently the most expensive (average of $356). 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 October 28, 2025.
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
9,001 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,001 reviews
United Airlines
7.4
Good
9,001 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 $349, United Airlines can have you in Louisville from Helena in 5h 39m. Airlines will cover a distance of 1451 mi.

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

    United Airlines, at $268, 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 $190). Flying from Helena to Louisville in January is currently the most expensive (average of $356). 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$268Average$498FlexibilityNo cancel feeOn-time69%

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