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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
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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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 July 29, 2025.

Round-trip from

$349
(United Airlines)
From Helena to Louisville Intl
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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 July 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/27. 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 7/27$349
This Delta deal was found by Cheapflights users on 7/28. 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 9/45:50 amHLN - SDF
2 stops10h 26mDelta
Sun 9/146:00 amSDF - HLN
2 stops8h 20mDelta
Deal found 7/28$719

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 July 29, 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

6:30 am-2:30 pm

1 stop6h 00m

Louisville Intl

Sat 12/13

3:33 pm-9:22 pm

1 stop7h 49m

$349

HelenaLouisville

HLN - SDF

HLNSDF

Helena

Thu 9/4

5:50 am-6:16 pm

2 stops10h 26m

Louisville Intl

Sun 9/14

6:00 am-12:20 pm

2 stops8h 20m

$719

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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, January is the cheapest month in which you can book a flight from Helena to Louisville (average of $299). Flying from Helena to Louisville in April is currently the most expensive (average of $369). 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 July 29, 2025.
Get a feel of what it's like to fly with Delta and 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.
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Helena to Louisville round-trip?

    United Airlines, at $349, was found to be the cheapest airline from Helena to Louisville. An alternate airline flying to your destination would be Delta.

  • 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, January is the cheapest month in which you can book a flight from Helena to Louisville (average of $299). Flying from Helena to Louisville in April is currently the most expensive (average of $369). 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$268Average$429FlexibilityNo cancel feeOn-time69%

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