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$329+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BIL
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
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Cheap 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 July 29, 2026.

This Delta deal was found by Cheapflights users on 7/26. 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 8/167:54 pm
SDF
-
BIL
1 stop5h 36m
Delta
Sat 8/226:26 am
BIL
-
SDF
1 stop7h 24m
Delta
Deal found 7/26$339
This Delta deal was found by Cheapflights users on 7/24. 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 9/297:54 pm
SDF
-
BIL
1 stop5h 21m
Delta
Mon 10/56:33 pm
BIL
-
SDF
2 stops12h 17m
Delta
Deal found 7/24$354
This Delta deal was found by Cheapflights users on 7/28. 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 9/227:54 pm
SDF
-
BIL
1 stop5h 21m
Delta
Tue 9/296:23 am
BIL
-
SDF
1 stop7h 26m
Delta
Deal found 7/28$359
This Delta deal was found by Cheapflights users on 7/26. 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 8/147:54 pm
SDF
-
BIL
1 stop5h 36m
Delta
Tue 8/186:26 am
BIL
-
SDF
1 stop7h 24m
Delta
Deal found 7/26$374
This Delta deal was found by Cheapflights users on 7/26. 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 8/151:21 pm
SDF
-
BIL
2 stops8h 51m
Delta
Tue 8/186:26 am
BIL
-
SDF
1 stop7h 24m
Delta
Deal found 7/26$379
This Delta deal was found by Cheapflights users on 7/26. 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 8/151:21 pm
SDF
-
BIL
2 stops8h 51m
Delta
Sat 8/2210:10 am
BIL
-
SDF
2 stops11h 59m
Delta
Deal found 7/26$384
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/261:56 pm
SDF
-
BIL
2 stops9h 04m
United Airlines
Sat 9/127:00 am
BIL
-
SDF
2 stops8h 37m
United Airlines
Deal found 7/24$388
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/113:25 pm
SDF
-
BIL
1 stop7h 35m
United Airlines
Sat 8/157:00 am
BIL
-
SDF
1 stop5h 29m
United Airlines
Deal found 7/27$409
This United Airlines deal was found by Cheapflights users on 7/27. 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 12/53:20 pm
SDF
-
BIL
1 stop7h 31m
United Airlines
Wed 12/92:40 pm
BIL
-
SDF
1 stop5h 17m
United Airlines
Deal found 7/27$429

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 July 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$339
(Delta)

One-way from

$329
(American Airlines)

Popular in

July

Cheapest in

March

Average price

$691
Provider with most accurate pricing for Louisville Intl-Billings Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Billings Logan Intl flights.
Search Deals
From Louisville Intl to Billings Logan Intl
Search Deals
One-way flight from Louisville Intl to Billings Logan Intl
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 29, 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

Price

Cheapest round-trip

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

Wed 8/26

3:25 pm-10:07 pm

1 stop8h 42m

Billings Logan Intl

Sat 9/12

2:29 pm-10:29 pm

1 stop6h 00m

$339

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

Tue 9/29

7:54 pm-11:15 pm

1 stop5h 21m

Billings Logan Intl

Mon 10/5

6:33 pm-8:50 am

2 stops12h 17m

$354
Quickest round-trip

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

Tue 9/22

7:54 pm-11:15 pm

1 stop5h 21m

Billings Logan Intl

Tue 9/29

6:23 am-3:49 pm

1 stop7h 26m

$359

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

Sat 8/15

4:30 pm-8:12 pm

1 stop5h 42m

Billings Logan Intl

Wed 8/19

6:26 am-3:50 pm

1 stop7h 24m

$374

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

Wed 9/30

2:47 pm-10:34 pm

2 stops9h 47m

Billings Logan Intl

Mon 10/5

6:33 pm-9:54 am

2 stops13h 21m

$389

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

Sat 12/5

8:45 am-8:51 pm

2 stops14h 06m

Billings Logan Intl

Wed 12/9

2:40 pm-9:57 pm

1 stop5h 17m

$434
Cheapest one-way

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

Mon 9/21

3:25 pm-9:00 pm

1 stop7h 35m

$329

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

Sat 9/12

4:19 pm-10:10 pm

1 stop7h 51m

$329

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

Tue 10/20

7:55 am-5:49 pm

2 stops11h 54m

$334

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

Sat 9/12

6:00 am-12:17 pm

2 stops8h 17m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 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.
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.

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 July 29, 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.
United Airlines
7.4
Good
10,052 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,052 reviews
United Airlines
7.4
Good
10,052 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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 Delta fly from Louisville to Billings in about 5h 21m. The time it takes to get you to your destination can typically vary by up to 3h 21m. There are 1278 mi between Louisville and Billings. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Louisville to Billings round-trip?

    Our cheapest airline available from Louisville to Billings is United Airlines. Our recent data shows that you can find tickets from as low as $283 on this airline. United Airlines is priced at 40% 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 2,558,603 searches. Data last updated July 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$283Average$383FlexibilityNo cancel feeOn-time69%

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