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$269+ Cheap flights from Louisville to Billings (SDF - BIL)

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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BIL
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Louisville to Billings

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Billings (BIL). 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 August 14, 2025.

Round-trip from

$269
(Delta)

Popular in

December

Cheapest in

August

Average price

$348
From Louisville Intl to Billings Logan Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Louisville to Billings

Cheapest flights from Louisville to Billings
Explore the most affordable flight options available from Louisville to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Delta deal was found by Cheapflights users on 8/13. 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 9/237:44 pmSDF - BIL
1 stop5h 26mDelta
Sat 9/276:25 amBIL - SDF
1 stop7h 21mDelta
Deal found 8/13$269
This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/96:12 pmSDF - BIL
1 stop6h 27mAmerican Airlines
Tue 9/166:02 amBIL - SDF
1 stop9h 36mAmerican Airlines
Deal found 8/14$289
This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/232:18 pmSDF - BIL
1 stop9h 12mAmerican Airlines
Sat 8/305:49 amBIL - SDF
1 stop6h 30mAmerican Airlines
Deal found 8/14$349
This Delta deal was found by Cheapflights users on 8/14. 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.
Sat 8/234:25 pmSDF - BIL
2 stops8h 37mDelta
Sat 8/306:25 amBIL - SDF
1 stop7h 20mDelta
Deal found 8/14$354
This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/24:51 pmSDF - BIL
1 stop6h 39mAmerican Airlines
Mon 9/81:59 pmBIL - SDF
1 stop7h 41mAmerican Airlines
Deal found 8/14$374
This Delta deal was found by Cheapflights users on 8/14. 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.
Fri 9/127:44 pmSDF - BIL
1 stop5h 26mDelta
Fri 9/196:19 pmBIL - SDF
2 stops13h 08mDelta
Deal found 8/14$414
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/121:00 pmSDF - BIL
2 stops11h 46mUnited Airlines
Fri 9/192:35 pmBIL - SDF
1 stop5h 55mUnited Airlines
Deal found 8/14$425

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Billings 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 August 14, 2025.
Use the filters below to find and compare flights from Louisville to Billings that are best for you.

Fly from

Louisville

Fly to

Billings

Route

Depart

Return

Price

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

Tue 9/23

7:44 pm-11:10 pm

1 stop5h 26m

Billings Logan Intl

Sat 9/27

6:25 am-3:46 pm

1 stop7h 21m

$269

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

Tue 9/9

4:43 pm-9:49 pm

1 stop7h 06m

Billings Logan Intl

Tue 9/16

6:02 am-5:38 pm

1 stop9h 36m

$289

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

Fri 9/12

6:12 pm-10:39 pm

1 stop6h 27m

Billings Logan Intl

Fri 9/19

1:59 pm-11:40 pm

1 stop7h 41m

$349

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

Tue 9/9

3:30 pm-8:34 pm

1 stop7h 04m

Billings Logan Intl

Tue 9/16

5:00 am-9:02 pm

2 stops14h 02m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Best time to book a flight from Louisville to Billings

Have a flexible travel schedule? Discover the best time to fly to Billings from Louisville 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 Louisville to Billings

What is the cheapest time of day to fly from SDF to BIL?

Find hourly flight availability from Louisville to Billings. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

When flying from Louisville to Billings, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 28% versus a flight in the morning.

Reviews of airlines servicing Billings

Get insights into the airlines that provide service to Billings. 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 Billings. Reviews last updated August 14, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Louisville to Billings have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

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
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

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 Louisville to Billings. 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 Louisville to Billings round-trip?

    Our cheapest airline available from Louisville to Billings is American Airlines. Our recent data shows that you can find tickets from as low as $268 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $288 and $308 round-trip. American Airlines is priced at 41% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisville to Billings 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 Louisville to Billings?

    Currently, January is the cheapest month in which you can book a flight from Louisville to Billings (average of $393). Flying from Louisville to Billings in June is currently the most expensive (average of $511). 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

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Top 3 airlines flying from Louisville to Billings

Discover the top 3 airlines that operate flights from Louisville to Billings. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$268Average$488FlexibilityNo cancel feeOn-time71%
DeltaCheapest$288Average$348FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$308Average$433FlexibilityNo cancel feeOn-time69%

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