$339+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BIL
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to Billings 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 Louisville to Billings
Cheapest
Best
Last-minute
One-way
Cheapest flights from Louisville to BillingsExplore 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 September 23, 2026.
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 September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Sat 10/318:00 am -
1 stop7h 29m
Wed 11/47:00 am -
1 stop5h 22m
Deal found 9/21![United Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:54 pm -
1 stop5h 21m
Mon 10/56:33 pm -
2 stops13h 26m
Deal found 9/19![Delta logo]()
$500
This American Airlines deal was found by Cheapflights users on 9/22. 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.
Wed 9/304:25 pm -
1 stop7h 45m
Tue 10/66:00 am -
1 stop7h 27m
Deal found 9/22![American Airlines logo]()
$511
This United Airlines deal was found by Cheapflights users on 9/21. 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 9/243:36 pm -
1 stop7h 34m
Sun 9/272:28 pm -
1 stop6h 04m
Deal found 9/21![United Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Wed 9/303:36 pm -
1 stop7h 34m
Tue 10/65:57 pm -
2 stops14h 21m
Deal found 9/22![United Airlines logo]()
$575
Best flights from Louisville to BillingsDiscover carefully curated flight deals from Louisville to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from Louisville to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/22. 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 10/313:24 pm -
1 stop7h 50m
Wed 11/45:00 am -
1 stop7h 22m
Deal found 9/22![United Airlines logo]()
$469
Last-minute flights from Louisville to BillingsDiscover last-minute flight deals from Louisville to Billings. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Billings. Data last updated September 23, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/21. 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 9/243:36 pm -
1 stop7h 34m
Sun 9/272:28 pm -
1 stop6h 04m
Deal found 9/21![United Airlines logo]()
$559
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:54 pm -
1 stop5h 21m
Mon 10/56:33 pm -
2 stops13h 26m
Deal found 9/19![Delta logo]()
$500
This American Airlines deal was found by Cheapflights users on 9/22. 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.
Wed 9/304:25 pm -
1 stop7h 45m
Tue 10/66:00 am -
1 stop7h 27m
Deal found 9/22![American Airlines logo]()
$511
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Wed 9/303:36 pm -
1 stop7h 34m
Tue 10/65:57 pm -
2 stops14h 21m
Deal found 9/22![United Airlines logo]()
$575
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Sat 10/318:00 am -
1 stop7h 29m
Wed 11/47:00 am -
1 stop5h 22m
Deal found 9/21![United Airlines logo]()
$469
One-way flights from Louisville to BillingsSearch for one-way flight options from Louisville to Billings. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Louisville to Billings. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/22. 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 12/13:20 pm -
1 stop8h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 9/22. 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 12/17:05 am -
2 stops12h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Delta logo]()
$344
This American Airlines deal was found by Cheapflights users on 9/22. 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 12/16:00 am -
1 stop8h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![American Airlines logo]()
$478
Find 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 September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $469 (United Airlines) |
One-way from | $339 (United Airlines) |
Popular in | July |
Cheapest in | March |
Average price | $448 |
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 7,457,451 searches. Data last updated September 23, 2026.
Use the filters below to find and compare flights from Louisville to Billings that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
LouisvilleBillings
SDF Louisville Intl - BIL Billings Logan Intl
SDFBIL
Louisville Intl
Tue 12/1
3:20 pm-9:29 pm
1 stop8h 09m
Billings Logan Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$339
LouisvilleBillings
SDF Louisville Intl - BIL Billings Logan Intl
SDFBIL
Louisville Intl
Tue 12/1
7:05 am-5:41 pm
2 stops12h 36m
Billings Logan Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$344
LouisvilleBillings
SDF Louisville Intl - BIL Billings Logan Intl
SDFBIL
Louisville Intl
Sat 10/31
3:24 pm-9:14 pm
1 stop7h 50m
Billings Logan Intl
Wed 11/4
5:00 am-2:22 pm
1 stop7h 22m
$469
LouisvilleBillings
SDF Louisville Intl - BIL Billings Logan Intl
SDFBIL
Louisville Intl
Tue 12/1
6:00 am-12:59 pm
1 stop8h 59m
Billings Logan Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$478
Sorted by cheapest first
Compare providers for flights from Louisville to Billings
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 Louisville to Billings in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Louisville-Billings flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Billings flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Billings flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Louisville-Billings flights, Cheapflights users trust FlightHub the most. FlightHub 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 Louisville-Billings 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 Louisville to Billings
Have a flexible travel schedule? Discover the best time to fly to Billings from Louisville with our price prediction graph.
SDF-BIL
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
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 September 23, 2026.
See what other customers who have flown with United 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.
Entertainment
7.1
Crew
8.1
Comfort
7.3
Boarding
7.7
Food
6.7
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Entertainment
7.1
Crew
8.1
Comfort
7.3
Boarding
7.7
Food
6.7
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
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Other flights to Billings
Explore flights to Billings departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Complete your trip
Complete your trip to Billings by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Louisville to Billings by cabin class
Find flights from Louisville to Billings, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Louisville and Billings flights
Browse other Louisville and Billings flight options. Last updated on September 23, 2026.
Other flights from Louisville
Browse through other flights departing from Louisville. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Louisville to Billings
Discover the top airline 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 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$309 | Average$460 | FlexibilityNo cancel fee | On-time69% |