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$164+ Cheap flights from Louisville to Billings (SDF - BIL)

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BIL
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 septiembre 11, 2025.

Round-trip from

$285
(United Airlines)

One-way from

$164
(Delta)

Popular in

December

Cheapest in

August

Average price

$373
From Louisville Intl to Billings Logan Intl
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One-way flight from Louisville Intl to Billings Logan Intl
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Highest demand for flights based on searches. 9% potential increase in price ($49 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 September 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 septiembre 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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.
vie. 10/319:00 amSDF - BIL
2 stops10h 16mUnited Airlines
lun. 11/102:31 pmBIL - SDF
1 stop5h 59mUnited Airlines
Deal found 9/11$285
This United Airlines deal was found by Cheapflights users on 9/9. 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.
vie. 9/267:20 amSDF - BIL
1 stop5h 56mUnited Airlines
mar. 9/3011:58 amBIL - SDF
1 stop8h 32mUnited Airlines
Deal found 9/9$294
This American Airlines deal was found by Cheapflights users on 9/10. 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.
vie. 9/266:12 pmSDF - BIL
1 stop6h 27mAmerican Airlines
mar. 9/306:02 amBIL - SDF
1 stop6h 01mAmerican Airlines
Deal found 9/10$319
This American Airlines deal was found by Cheapflights users on 9/11. 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.
vie. 10/317:32 amSDF - BIL
1 stop7h 51mAmerican Airlines
lun. 11/102:00 pmBIL - SDF
1 stop6h 01mAmerican Airlines
Deal found 9/11$370
This Delta deal was found by Cheapflights users on 9/10. 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.
vie. 9/267:44 pmSDF - BIL
1 stop5h 26mDelta
mar. 9/306:25 amBIL - SDF
2 stops10h 11mDelta
Deal found 9/10$394
This United Airlines deal was found by Cheapflights users on 9/11. 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.
lun. 10/63:30 pmSDF - BIL
1 stop7h 19mUnited Airlines
jue. 10/911:58 amBIL - SDF
1 stop8h 32mUnited Airlines
Deal found 9/11$440

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 septiembre 11, 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

vie. 10/31

9:00 am-5:16 pm

2 stops10h 16m

Billings Logan Intl

lun. 11/10

2:31 pm-10:30 pm

1 stop5h 59m

$285

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

vie. 9/26

7:20 am-11:16 am

1 stop5h 56m

Billings Logan Intl

mar. 9/30

11:58 am-10:30 pm

1 stop8h 32m

$294

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

vie. 9/26

6:12 pm-10:39 pm

1 stop6h 27m

Billings Logan Intl

mar. 9/30

6:02 am-2:03 pm

1 stop6h 01m

$319

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

vie. 10/31

7:32 am-1:23 pm

1 stop7h 51m

Billings Logan Intl

lun. 11/10

2:00 pm-10:01 pm

1 stop6h 01m

$370

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

vie. 9/26

7:44 pm-11:10 pm

1 stop5h 26m

Billings Logan Intl

mar. 9/30

6:25 am-6:36 pm

2 stops10h 11m

$394

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

lun. 10/6

3:30 pm-8:49 pm

1 stop7h 19m

Billings Logan Intl

jue. 10/9

11:58 am-10:30 pm

1 stop8h 32m

$440

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

lun. 10/6

7:15 pm-11:18 pm

1 stop6h 03m

$164

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

lun. 10/6

7:20 pm-8:49 pm

2 stops27h 29m

$318

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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 septiembre 11, 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 septiembre 11, 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
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

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
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

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
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

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.

  • How long is the flight from Louisville to Billings?

    Airlines like United Airlines and American Airlines fly from Louisville to Billings in about 6h 27m. The time it takes to get you to your destination can typically vary by up to 3h 49m. There are 1278 mi between Louisville and Billings. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 United Airlines and Delta, starting at $283 and $288 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 $396). Flying from Louisville to Billings in June is currently the most expensive (average of $510). 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$268Average$488FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$283Average$440FlexibilityNo cancel feeOn-time69%
DeltaCheapest$288Average$348FlexibilityNo cancel feeOn-timeN/A

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