HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisville

$501+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — SDF
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Billings to Louisville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$501
(Delta)

Popular in

May

Cheapest in

January

Average price

$529
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. 18% potential increase in price ($127 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find 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 November 13, 2025.

This American Airlines deal was found by Cheapflights users on 11/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:00 amBIL - SDF
1 stop7h 38mAmerican Airlines
Wed 11/191:42 pmSDF - BIL
1 stop9h 36mAmerican Airlines
Deal found 11/13$811
This United Airlines deal was found by Cheapflights users on 11/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:00 amBIL - SDF
1 stop5h 19mUnited Airlines
Wed 11/198:17 amSDF - BIL
2 stops15h 01mUnited Airlines
Deal found 11/13$816

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 November 13, 2025.
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

Tue 3/10

6:15 am-3:49 pm

1 stop7h 34m

Louisville Intl

Wed 3/11

4:15 pm-10:50 pm

1 stop8h 35m

$501

BillingsLouisville

BIL - SDF

BILSDF

Billings Logan Intl

Tue 3/10

7:00 am-2:27 pm

1 stop5h 27m

Louisville Intl

Wed 3/11

3:20 pm-8:54 pm

1 stop7h 34m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Billings-Louisville flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, May is the cheapest month in which you can book a flight from Billings to Louisville (average of $235). 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.

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 November 13, 2025.
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
9,017 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

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
9,017 reviews
United Airlines
7.4
Good
9,017 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

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
American Airlines
7.2
Good
11,051 reviews
United Airlines
7.4
Good
9,017 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

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 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 Delta and United Airlines fly from Billings to Louisville in about 5h 27m. The time it takes to get you to your destination can typically vary by up to 2h 07m. Airlines will cover a distance of 1278 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Flying on American Airlines is currently your cheapest option to Louisville, with prices starting at $268. Another option worth looking into is United Airlines, starting at $293 round trip. Users have found that American Airlines is 52% 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, May is the cheapest month in which you can book a flight from Billings to Louisville (average of $235). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Billings to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
Bozeman to Nashville flights
Missoula to Nashville flights
Billings to Knoxville flights
Bozeman to Cincinnati flights
Great Falls to Nashville flights
Bozeman to Knoxville flights
Billings to Nashville flights
Helena to Nashville flights
Kalispell to Nashville flights
Kalispell to Knoxville flights
Bozeman to Louisville flights
Billings to Cincinnati flights
Missoula to Louisville flights
Missoula to Cincinnati flights
Kalispell to Cincinnati flights
Bozeman to Lexington flights
Bozeman to Blountville flights
Butte to Nashville flights
Helena to Lexington flights
Helena to Louisville flights
Billings to Evansville flights
Butte to Knoxville flights
Butte to Cincinnati flights
Great Falls to Cincinnati flights
Great Falls to Lexington flights
Missoula to Lexington flights
Helena to Cincinnati flights
Cody to Nashville flights
Helena to Blountville flights
Helena to Knoxville flights
Missoula to Knoxville flights
Kalispell to Louisville flights
Billings to Lexington flights
Bozeman to Huntington flights
Kalispell to Lexington flights

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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$268Average$525FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$293Average$498FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.