$216 Cheap Flights from Billings (BIL) to Louisville (SDF)

View $216 flight on Thu, Nov 20, 2025Opens in a new window

Popular airlines from Billings Logan Intl. Airport (BIL) to Louisville Intl. Airport (SDF)

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Cheap Flights from Billings to Louisville (BIL-SDF)

Prices were available within the past 7 days and start at $216 for one-way flights and $269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Nov 9 - Fri, Nov 21
BIL
Billings
SDF
Louisville
$269 Roundtrip, just found
$269
Roundtrip
just found
Select United flight, departing Sun, Nov 9 from Billings to Louisville, returning Fri, Nov 21, priced at $269 just found
Delta
Mon, Nov 10 - Mon, Nov 17
BIL
Billings
SDF
Louisville
$274 Roundtrip, found 6 hours ago
$274
Roundtrip
found 6 hours ago
Select Delta flight, departing Mon, Nov 10 from Billings to Louisville, returning Mon, Nov 17, priced at $274 found 6 hours ago
Delta
Mon, Nov 10 - Thu, Nov 27
BIL
Billings
SDF
Louisville
$279 Roundtrip, just found
$279
Roundtrip
just found
Select Delta flight, departing Mon, Nov 10 from Billings to Louisville, returning Thu, Nov 27, priced at $279 just found
United
Mon, Nov 10 - Thu, Nov 20
BIL
Billings
SDF
Louisville
$283 Roundtrip, just found
$283
Roundtrip
just found
Select United flight, departing Mon, Nov 10 from Billings to Louisville, returning Thu, Nov 20, priced at $283 just found
United
Thu, Nov 20 - Tue, Nov 25
BIL
Billings
SDF
Louisville
$285 Roundtrip, found 14 hours ago
$285
Roundtrip
found 14 hours ago
Select United flight, departing Thu, Nov 20 from Billings to Louisville, returning Tue, Nov 25, priced at $285 found 14 hours ago
United
Mon, Nov 10 - Thu, Nov 20
BIL
Billings
SDF
Louisville
$288 Roundtrip, just found
$288
Roundtrip
just found
Select United flight, departing Mon, Nov 10 from Billings to Louisville, returning Thu, Nov 20, priced at $288 just found
United
Tue, Apr 14 - Sat, Apr 18
BIL
Billings
SDF
Louisville
$289 Roundtrip, found 6 days ago
$289
Roundtrip
found 6 days ago
Select United flight, departing Tue, Apr 14 from Billings to Louisville, returning Sat, Apr 18, priced at $289 found 6 days ago
Delta
Sat, Nov 1 - Sat, Nov 15
BIL
Billings
SDF
Louisville
$294 Roundtrip, found 13 hours ago
$294
Roundtrip
found 13 hours ago
Select Delta flight, departing Sat, Nov 1 from Billings to Louisville, returning Sat, Nov 15, priced at $294 found 13 hours ago
Delta
Tue, Nov 11 - Mon, Nov 17
BIL
Billings
SDF
Louisville
$299 Roundtrip, found 6 hours ago
$299
Roundtrip
found 6 hours ago
Select Delta flight, departing Tue, Nov 11 from Billings to Louisville, returning Mon, Nov 17, priced at $299 found 6 hours ago
American Airlines
Mon, Nov 24 - Wed, Dec 10
BIL
Billings
SDF
Louisville
$349 Roundtrip, found 13 hours ago
$349
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Mon, Nov 24 from Billings to Louisville, returning Wed, Dec 10, priced at $349 found 13 hours ago

Alternative airports near Louisville

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Louisville Intl. SDF. Cheapest and Closest option available. Average driving time to city center is 9 minutes. Flights from $374
SDF
Louisville Intl.
CheapestClosest
Average driving time to city center9 min
Flights from $374

Frequently asked questions

How much does a flight from Logan Intl. Airport (BIL) to Louisville Intl. Airport (SDF) cost?
Secure a cheap one-way flight from $216 or cheap return flight from $269 from Logan Intl. Airport (BIL) to Louisville Intl. Airport (SDF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Logan Intl. Airport (BIL) to Louisville Intl. Airport (SDF)?
November is the most affordable month to fly from BIL to SDF. Planning your trip for the off-season is often the key to finding better fares.
What is the cheapest airline that flies from Logan Intl. Airport (BIL) to Louisville Intl. Airport (SDF)?
To find the cheapest airline that'll fly you from BIL to SDF, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Logan Intl. Airport (BIL) to Louisville Intl. Airport (SDF)?
You'll have to book a flight with a layover if you're traveling from Logan Intl. Airport (BIL) to Louisville Intl. Airport (SDF). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from BIL to SDF?
Usually you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can change based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BIL) to Louisville Intl. Airport (SDF)?
To arrive at Louisville Intl. Airport (SDF) on schedule, choose a flight that takes off from Logan Intl. Airport (BIL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BIL) to Louisville Intl. Airport (SDF) last-minute?
Waiting until just before your trip to book a ticket from BIL to SDF often results in higher prices. While you may come across some last-minute offers, they're not always guaranteed. Keep your travel schedule open for a better chance of getting a bargain.
Is it cheaper to book a BIL to SDF flight and hotel package?
Compared with arranging flights and hotels separately, booking a BIL to SDF flight and hotel package with Expedia could lead to significant savings. What's more, having it all in one place takes the hassle out of travel planning. Simply secure your flights and choose from our extensive range of hotels, then personalize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Logan Intl. Airport (BIL) to Louisville Intl. Airport (SDF)?
In most instances, you can reschedule or cancel your BIL to SDF flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like more details, head to our Customer Service portal.

Travel information

Origin airport
Logan Intl.
Destination airport
Louisville Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$268
Distance
1277 mi

Book with confidence

Billings to Louisville Flights

The cheapest times to fly from Billings to Louisville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Billings to Louisville are during the month of November. You can find some of the cheapest flights from Billings to Louisville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Billings to Louisville

Sunday is one of the best days to book for cheap flights from Billings to Louisville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Billings to Louisville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Billings to Louisville in 2025. You can also book with separate airlines for your outbound and return journeys, from $216 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Billings to Louisville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Billings to Louisville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Billings to Louisville Flights

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*Available to One Key members.