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$334+ 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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BIL
Jun 9 — Jun 161
Tue 6/9
Tue 6/16
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 May 10, 2026.

This Delta deal was found by Cheapflights users on 5/6. 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 6/195:59 pm
SDF
-
BIL
1 stop7h 33m
Delta
Wed 7/16:24 am
BIL
-
SDF
2 stops12h 55m
Delta
Deal found 5/6$334
This Delta deal was found by Cheapflights users on 5/8. 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 6/57:49 pm
SDF
-
BIL
1 stop5h 25m
Delta
Fri 6/126:40 pm
BIL
-
SDF
2 stops13h 15m
Delta
Deal found 5/8$344
This Delta deal was found by Cheapflights users on 5/8. 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 8/154:34 pm
SDF
-
BIL
1 stop5h 38m
Delta
Sat 8/226:26 am
BIL
-
SDF
1 stop7h 26m
Delta
Deal found 5/8$369
This Delta deal was found by Cheapflights users on 5/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/134:28 pm
SDF
-
BIL
1 stop5h 34m
Delta
Fri 6/196:40 pm
BIL
-
SDF
2 stops13h 13m
Delta
Deal found 5/9$399
This Delta deal was found by Cheapflights users on 5/7. 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 7/217:49 pm
SDF
-
BIL
1 stop5h 31m
Delta
Mon 7/276:34 pm
BIL
-
SDF
2 stops13h 20m
Delta
Deal found 5/7$414

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 May 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$334
(Delta)

Popular in

October

Cheapest in

March

Average price

$458
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
Highest demand for flights based on searches. 17% potential increase in price ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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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 May 10, 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

Fri 6/19

2:19 pm-11:32 pm

2 stops11h 13m

Billings Logan Intl

Wed 7/1

6:24 am-9:19 pm

2 stops12h 55m

$339

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

Tue 7/21

2:22 pm-11:20 pm

2 stops10h 58m

Billings Logan Intl

Mon 7/27

6:34 pm-9:54 am

2 stops13h 20m

$419

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

Fri 6/5

8:00 am-1:22 pm

1 stop7h 22m

Billings Logan Intl

Fri 6/12

2:25 pm-10:59 pm

1 stop6h 34m

$467

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

Tue 6/16

7:51 pm-11:32 pm

1 stop5h 41m

Billings Logan Intl

Mon 6/22

6:24 am-7:24 pm

2 stops11h 00m

$534

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

Sat 6/13

4:28 pm-8:02 pm

1 stop5h 34m

Billings Logan Intl

Fri 6/19

6:40 pm-9:55 am

2 stops13h 15m

$534
Quickest round-trip

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

Sat 5/23

3:25 pm-8:42 pm

1 stop7h 17m

Billings Logan Intl

Tue 5/26

2:25 pm-10:59 pm

1 stop6h 34m

$619

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

Wed 6/3

3:25 pm-9:17 pm

1 stop7h 52m

Billings Logan Intl

Sun 6/7

6:00 pm-10:59 pm

1 stop26h 59m

$626

LouisvilleBillings

SDF - BIL

SDFBIL

Louisville Intl

Sat 7/18

3:25 pm-8:42 pm

1 stop7h 17m

Billings Logan Intl

Mon 7/20

6:00 pm-10:59 pm

1 stop26h 59m

$647

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

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 May.
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.

Cheapflights Insights

Everything you need to know about your flight from Louisville to Billings

How much does it cost to fly round-trip 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 May 10, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican 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
7.9
Good
8,455 reviews

Food

7.2

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,455 reviews
Delta
7.9
Good
8,455 reviews

Food

7.2

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,694 reviews
Delta
7.9
Good
8,455 reviews

Food

7.2

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,667 reviews
Delta
7.9
Good
8,455 reviews

Food

7.2

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 Delta and United Airlines fly from Louisville to Billings in about 7h 22m. The time it takes to get you to your destination can typically vary by up to 11m. 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 $287 round-trip. American 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

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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 May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$268Average$537FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$283Average$383FlexibilityNo cancel feeOn-time69%
DeltaCheapest$287Average$293FlexibilityNo cancel feeOn-timeN/A

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