How long is the flight from Louisville to Boise?

Airlines like American Airlines, Delta, and United Airlines fly from Louisville to Boise in about 7h 41m. The time it takes to get you to your destination can typically vary by up to 12h 59m. There are 1625 mi between Louisville and Boise. This flight may include one or multiple stops.

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

Cheapflights users have booked flights from Louisville to Boise round-trip from $196. Other airlines that can offer you cheap pricing are American Airlines, from $287, and Southwest, from $346. Delta is priced at 57% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Louisville to Boise one-way?

The cheapest airlines for a one-way flight from Louisville to Boise are Delta ($134), Southwest ($153), and United Airlines ($174).

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

If weather is an important factor for your trip to Boise, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

What are the most popular airlines that fly from Louisville to Boise?

Delta, American Airlines and United Airlines are the most popular airlines when flying from Louisville to Boise.

What is the cheapest time of day to fly from SDF to BOI?

When flying from Louisville to Boise, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Louisville-Boise flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Boise flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Louisville-Boise flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Louisville-Boise 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 Louisville-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Louisville to Boise that include hotel bookings?

Yes. In addition to deals on Louisville to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Louisville to Boise?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Boise.

Can I find deals for business class flights from Louisville to Boise?

Yes. Cheapflights offers flight deals from Louisville to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$355+ Flights from Louisville to Boise

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Cheap flight deals from Louisville to Boise

Cheapest flights from Louisville to Boise
Explore the most affordable flight options available from Louisville to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Fri 12/266:08 pmSDF - BOI

1 stop6h 51mAmerican Airlines

Sun 12/287:32 amBOI - SDF

1 stop7h 47mAmerican Airlines

Deal found 12/9

$828

Fri 12/266:45 amSDF - BOI

1 stop6h 50mSouthwest

Mon 12/2911:15 amBOI - SDF

1 stop6h 20mSouthwest

Deal found 12/9

$912

Fri 12/266:20 amSDF - BOI

2 stops12h 30mSouthwest

Sun 12/285:00 amBOI - SDF

2 stops10h 00mSouthwest

Deal found 12/9

$922

Fri 12/265:40 amSDF - BOI

2 stops9h 56mUnited Airlines

Mon 12/296:55 pmBOI - SDF

2 stops13h 08mUnited Airlines

Deal found 12/9

$1,114

Best flights from Louisville to Boise
Discover carefully curated flight deals from Louisville to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Tue 2/37:13 pmSDF - BOI

1 stop20h 40mAmerican Airlines

Tue 2/103:18 pmBOI - SDF

1 stop19h 14mAmerican Airlines

Deal found 12/11

$355

Wed 1/77:05 amSDF - BOI

1 stop7h 41mDelta

Wed 1/145:30 amBOI - SDF

1 stop8h 46mDelta

Deal found 12/9

$359

Sat 2/143:15 pmSDF - BOI

1 stop8h 17mUnited Airlines

Wed 2/187:11 amBOI - SDF

2 stops13h 26mUnited Airlines

Deal found 12/9

$396

Sat 2/285:35 amSDF - BOI

1 stop6h 35mSouthwest

Fri 3/67:05 amBOI - SDF

1 stop8h 10mSouthwest

Deal found 12/10

$402

Tue 2/37:50 amSDF - BOI

2 stops12h 38mDelta

Tue 2/101:40 pmBOI - SDF

1 stop8h 10mDelta

Deal found 12/11

$364

Wed 1/77:40 amSDF - BOI

1 stop7h 28mAmerican Airlines

Sun 2/87:20 amBOI - SDF

1 stop8h 13mAmerican Airlines

Deal found 12/9

$398

Last-minute flights from Louisville to Boise
Discover last-minute flight deals from Louisville to Boise. Data last updated December 12, 2025 and is based on user searches.

Fri 12/266:08 pmSDF - BOI

1 stop6h 51mAmerican Airlines

Sun 12/287:32 amBOI - SDF

1 stop7h 47mAmerican Airlines

Deal found 12/9

$828

Fri 12/266:45 amSDF - BOI

1 stop6h 50mSouthwest

Mon 12/2911:15 amBOI - SDF

1 stop6h 20mSouthwest

Deal found 12/9

$912

Mon 1/56:27 amSDF - BOI

1 stop8h 38mAmerican Airlines

Mon 1/123:18 pmBOI - SDF

1 stop19h 14mAmerican Airlines

Deal found 12/10

$426

Mon 1/56:00 amSDF - BOI

1 stop8h 46mDelta

Mon 1/126:15 pmBOI - SDF

2 stops13h 13mDelta

Deal found 12/10

$507

Wed 1/77:05 amSDF - BOI

1 stop7h 41mDelta

Wed 1/145:30 amBOI - SDF

1 stop8h 46mDelta

Deal found 12/9

$359

Wed 1/77:40 amSDF - BOI

1 stop7h 28mAmerican Airlines

Sun 2/87:20 amBOI - SDF

1 stop8h 13mAmerican Airlines

Deal found 12/9

$398

Wed 1/75:35 amSDF - BOI

2 stops14h 32mUnited Airlines

Sun 2/87:45 amBOI - SDF

2 stops12h 45mUnited Airlines

Deal found 12/9

$521

Find flight deals from Louisville to Boise

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$355 (American Airlines)
Popular in	December
Cheapest in	September
Average price	$778

Provider with most accurate pricing for Louisville Intl-Boise Air Term. Gowen Fld flight deals.

Search Deals

Provider most trusted by Cheapflights users for Louisville Intl-Boise Air Term. Gowen Fld flights.

Search Deals

From Louisville Intl to Boise Air Term. Gowen Fld

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($76 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($29 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Tue 2/3

7:13 pm-1:53 pm

1 stop20h 40m

Boise Air Term. Gowen Fld

Tue 2/10

3:18 pm-12:32 pm

1 stop19h 14m

$355

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Wed 1/7

7:05 am-12:46 pm

1 stop7h 41m

Boise Air Term. Gowen Fld

Wed 1/14

5:30 am-4:16 pm

1 stop8h 46m

$359

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Tue 2/3

7:50 am-6:28 pm

2 stops12h 38m

Boise Air Term. Gowen Fld

Tue 2/10

1:40 pm-11:50 pm

1 stop8h 10m

$364

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Sat 2/14

3:15 pm-9:32 pm

1 stop8h 17m

Boise Air Term. Gowen Fld

Wed 2/18

7:11 am-10:37 pm

2 stops13h 26m

$396

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Wed 1/7

7:40 am-1:08 pm

1 stop7h 28m

Boise Air Term. Gowen Fld

Sun 2/8

7:20 am-5:33 pm

1 stop8h 13m

$398

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Sat 2/28

5:35 am-10:10 am

1 stop6h 35m

Boise Air Term. Gowen Fld

Fri 3/6

7:05 am-5:15 pm

1 stop8h 10m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Compare providers for flights from Louisville to Boise

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Boise in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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-Boise flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Boise flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Louisville-Boise flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Louisville-Boise 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 Louisville-Boise 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 Boise

Have a flexible travel schedule? Discover the best time to fly to Boise 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 Boise

What is the cheapest month to book a flight from Louisville to Boise?

Currently, November is the cheapest month in which you can book a flight from Louisville to Boise (average of $147). Flying from Louisville to Boise in December is currently the most expensive (average of $305). 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 Boise

Read through reviews of airlines operating flights from Louisville to Boise, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,253 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,008 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,095 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,050 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

How long is the flight from Louisville to Boise?
Airlines like American Airlines, Delta, and United Airlines fly from Louisville to Boise in about 7h 41m. The time it takes to get you to your destination can typically vary by up to 12h 59m. There are 1625 mi between Louisville and Boise. This flight may include one or multiple stops.
What are the cheapest airlines flying from Louisville to Boise round-trip?
Cheapflights users have booked flights from Louisville to Boise round-trip from $196. Other airlines that can offer you cheap pricing are American Airlines, from $287, and Southwest, from $346. Delta is priced at 57% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Louisville to Boise one-way?
The cheapest airlines for a one-way flight from Louisville to Boise are Delta ($134), Southwest ($153), and United Airlines ($174).
Can I find deals for flights from Louisville to Boise that include hotel bookings?
Yes. In addition to deals on Louisville to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Louisville to Boise?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Boise.
Can I find deals for business class flights from Louisville to Boise?
Yes. Cheapflights offers flight deals from Louisville to Boise 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 Louisville to Boise?
Currently, November is the cheapest month in which you can book a flight from Louisville to Boise (average of $147). Flying from Louisville to Boise in December is currently the most expensive (average of $305). 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.

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Top 4 airlines flying from Louisville to Boise

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$196	Average$411	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$287	Average$402	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$346	Average$428	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$386	Average$646	FlexibilityNo cancel fee	On-time69%

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$355+ Cheap flights from Louisville to Boise (SDF - BOI)

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Louisville to Boise with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Louisville to Boise

Cheapest flights from Louisville to BoiseExplore the most affordable flight options available from Louisville to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Explore the most affordable flight options available from Louisville to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Find flight deals from Louisville to Boise

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Louisville to Boise that are best for you.

Compare providers for flights from Louisville to Boise

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 Boise in December.

Best time to book a flight from Louisville to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Louisville with our price prediction graph.

Cheapflights Insights

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

What is the cheapest month to book a flight from Louisville to Boise?

Reviews of airlines servicing Boise

Read through reviews of airlines operating flights from Louisville to Boise, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Boise. 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 Boise?

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

What are the cheapest airlines to fly from Louisville to Boise one-way?

Can I find deals for flights from Louisville to Boise that include hotel bookings?

How can I find direct flights from Louisville to Boise?

Can I find deals for business class flights from Louisville to Boise?

What is the cheapest month to book a flight from Louisville to Boise?

Traveling to a place near Boise?

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Alternative routes for Louisville to Boise

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Top 4 airlines flying from Louisville to Boise

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Cheapest flights from Louisville to Boise
Explore the most affordable flight options available from Louisville to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.