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$338+ Cheap flights from Billings to Louisville (BIL - 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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — SDF
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Billings to Louisville

Cheapest flights from Billings to Louisville
Explore the most affordable flight options available from Billings to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/19. 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 2/132:35 pm
BIL
-
SDF
1 stop6h 02m
United Airlines
Sun 2/153:15 pm
SDF
-
BIL
1 stop8h 06m
United Airlines
Deal found 1/19$338
This United Airlines deal was found by Cheapflights users on 1/21. 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 3/52:35 pm
BIL
-
SDF
1 stop5h 24m
United Airlines
Mon 3/93:15 pm
SDF
-
BIL
1 stop7h 52m
United Airlines
Deal found 1/21$419
This United Airlines deal was found by Cheapflights users on 1/20. 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 1/312:45 pm
BIL
-
SDF
1 stop5h 39m
United Airlines
Tue 2/39:00 am
SDF
-
BIL
1 stop6h 24m
United Airlines
Deal found 1/20$450
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Mon 2/231:48 pm
BIL
-
SDF
1 stop8h 25m
American Airlines
Thu 2/266:00 am
SDF
-
BIL
1 stop9h 18m
American Airlines
Deal found 1/20$471
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Sun 4/51:48 pm
BIL
-
SDF
1 stop6h 50m
American Airlines
Fri 4/105:42 pm
SDF
-
BIL
1 stop7h 01m
American Airlines
Deal found 1/20$501
This Delta deal was found by Cheapflights users on 1/20. 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.
Sun 4/56:25 am
BIL
-
SDF
2 stops8h 05m
Delta
Fri 4/104:25 pm
SDF
-
BIL
1 stop5h 54m
Delta
Deal found 1/20$611
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Mon 2/232:35 pm
BIL
-
SDF
1 stop21h 44m
United Airlines
Thu 2/265:35 am
SDF
-
BIL
2 stops9h 48m
United Airlines
Deal found 1/20$716

Find flight deals from Billings to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) 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 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$294
(United Airlines)

Popular in

May

Cheapest in

August

Average price

$695
Provider with most accurate pricing for Billings Logan Intl-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Billings Logan Intl-Louisville Intl flights.
Search Deals
From Billings Logan Intl to Louisville Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($122 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Billings 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 21, 2026.
Use the filters below to find and compare flights from Billings to Louisville that are best for you.

Fly from

Billings

Fly to

Louisville

Route

Depart

Return

Price

BillingsLouisville

BIL - SDF

BILSDF

Billings Logan Intl

Fri 2/13

2:35 pm-10:37 pm

1 stop6h 02m

Louisville Intl

Sun 2/15

9:50 am-9:21 pm

2 stops13h 31m

$343

BillingsLouisville

BIL - SDF

BILSDF

Billings Logan Intl

Thu 3/5

2:35 pm-9:59 pm

1 stop5h 24m

Louisville Intl

Mon 3/9

3:15 pm-9:07 pm

1 stop7h 52m

$419

BillingsLouisville

BIL - SDF

BILSDF

Billings Logan Intl

Sat 1/31

2:45 pm-10:24 pm

1 stop5h 39m

Louisville Intl

Tue 2/3

9:00 am-1:24 pm

1 stop6h 24m

$450

BillingsLouisville

BIL - SDF

BILSDF

Billings Logan Intl

Mon 2/23

1:48 pm-12:13 am

1 stop8h 25m

Louisville Intl

Thu 2/26

6:00 am-1:18 pm

1 stop9h 18m

$471

BillingsLouisville

BIL - SDF

BILSDF

Billings Logan Intl

Sun 4/5

1:48 pm-10:38 pm

1 stop6h 50m

Louisville Intl

Fri 4/10

5:42 pm-10:43 pm

1 stop7h 01m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Compare providers for flights from Billings to Louisville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Billings to Louisville in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Billings-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Billings-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Billings-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Billings-Louisville flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Billings-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Billings to Louisville

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

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

Currently, December is the cheapest month in which you can book a flight from Billings to Louisville (average of $223). Flying from Billings to Louisville in February is currently the most expensive (average of $747). 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.

How much does it cost to fly round-trip from Billings to Louisville?

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 21, 2026.
See what other customers who have flown with United Airlines and American Airlines from Billings to Louisville have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,191 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

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
9,191 reviews
United Airlines
7.4
Good
9,191 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

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
American Airlines
7.2
Good
11,174 reviews
United Airlines
7.4
Good
9,191 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

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 Billings 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 Billings to Louisville?

    Airlines like United Airlines fly from Billings to Louisville in about 6h 02m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 1278 mi.

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

    Flying on United Airlines is currently your cheapest option to Louisville, with prices starting at $293. Another option worth looking into is American Airlines, starting at $374 round trip. Users have found that United Airlines is 51% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Billings to Louisville (average of $223). Flying from Billings to Louisville in February is currently the most expensive (average of $747). 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 2 airlines flying from Billings to Louisville

Discover the top 2 airlines that operate flights from Billings 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 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$293Average$498FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$374Average$590FlexibilityNo cancel feeOn-time71%

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