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

Cheapflights users have booked flights from Louisville to Boise round-trip from $352. Other airlines that can offer you cheap pricing are Southwest, from $357, and American Airlines, from $372. Delta is priced at 27% 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 ($338), Spirit Airlines ($349), and American Airlines ($364).

What is the cheapest day to fly from Louisville to Boise?

Travelers seeking maximum savings on their Louisville to Boise flight should consider departing on Friday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

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

What is the cheapest day to fly round-trip from Louisville to Boise?

It’s generally more expensive to depart on a Friday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from Louisville to Boise?

The best pricing can be found in the month of February. Prices to Boise from Louisville average $483. You can even find prices in February for less than $483, as users have found deals to Boise from as low as $342. The month of September appears to be one of the more expensive times to travel to Boise from Louisville. Flying in the targeted month can save you up to 59%.

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

Unlike at noon, when flights are generally more expensive, you can save up to 31% on flights from Louisville to Boise by exploring options for tickets in the afternoon.

Most accurate provider : When it comes to deals on Louisville-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Boise flight deals on Cheapflights vs. FlightHub >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.

$338+ Flights from Louisville to Boise - Compare & Save Big

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1. Tell us where you want to go

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Cheap flight deals from Louisville to Boise

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$352 (Delta)
One-way from	$338 (Delta)
Popular in	September
Cheapest in	February
Average price	$415

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

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

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From Louisville Intl to Boise Air Term. Gowen Fld

Search Deals

One-way flight from Louisville Intl to Boise Air Term. Gowen Fld

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($60 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($27 potential savings vs. average RT price).

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Average for round-trip flights in May 2025

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Find 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 May 1, 2025.

Sat 7/56:05 amSDF - BOI

1 stop6h 54mDelta

Mon 7/1411:40 pmBOI - SDF

1 stop8h 08mDelta

Deal found 4/30

$352

Sat 7/56:25 amSDF - BOI

1 stop6h 05mSouthwest

Sat 7/1210:50 amBOI - SDF

2 stops10h 10mSouthwest

Deal found 4/30

$357

Sat 7/57:44 amSDF - BOI

1 stop8h 57mAmerican Airlines

Sat 7/1211:44 amBOI - SDF

1 stop9h 00mAmerican Airlines

Deal found 4/30

$372

Thu 5/158:19 pmSDF - BOI

2 stops17h 02mSpirit Airlines

Mon 5/1912:16 pmBOI - SDF

2 stops21h 47mSpirit Airlines

Deal found 4/30

$401

Wed 5/217:00 amSDF - BOI

2 stops14h 15mUnited Airlines

Wed 5/287:07 pmBOI - SDF

2 stops12h 26mUnited Airlines

Deal found 4/30

$453

Wed 6/43:51 pmSDF - BOI

3 stops27h 51mMultiple Airlines

Sun 6/86:32 pmBOI - SDF

3 stops39h 31mMultiple Airlines

Deal found 4/30

$460

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 May 1, 2025.

Sat 7/56:05 amSDF - BOI

1 stop6h 54mDelta

Mon 7/1411:40 pmBOI - SDF

1 stop8h 08mDelta

Deal found 4/30

$352

Sat 7/56:25 amSDF - BOI

1 stop6h 05mSouthwest

Sat 7/1210:50 amBOI - SDF

2 stops10h 10mSouthwest

Deal found 4/30

$357

Sat 7/57:44 amSDF - BOI

1 stop8h 57mAmerican Airlines

Sat 7/1211:44 amBOI - SDF

1 stop9h 00mAmerican Airlines

Deal found 4/30

$372

Thu 5/158:19 pmSDF - BOI

2 stops17h 02mSpirit Airlines

Mon 5/1912:16 pmBOI - SDF

2 stops21h 47mSpirit Airlines

Deal found 4/30

$401

Wed 5/217:00 amSDF - BOI

2 stops14h 15mUnited Airlines

Wed 5/287:07 pmBOI - SDF

2 stops12h 26mUnited Airlines

Deal found 4/30

$453

Wed 6/43:51 pmSDF - BOI

3 stops27h 51mMultiple Airlines

Sun 6/86:32 pmBOI - SDF

3 stops39h 31mMultiple Airlines

Deal found 4/30

$460

Last-minute flights from Louisville to Boise
Discover last-minute flight deals from Louisville to Boise. Data last updated May 1, 2025 and is based on user searches.

Thu 5/12:34 pmSDF - BOI

2 stops24h 23mMultiple Airlines

Sat 5/32:11 pmBOI - SDF

3 stops43h 32mMultiple Airlines

Deal found 4/30

$900

Thu 5/158:19 pmSDF - BOI

2 stops17h 02mSpirit Airlines

Mon 5/1912:16 pmBOI - SDF

2 stops21h 47mSpirit Airlines

Deal found 4/30

$401

Fri 5/166:00 amSDF - BOI

1 stop8h 45mAmerican Airlines

Tue 6/31:38 pmBOI - SDF

1 stop6h 01mAmerican Airlines

Deal found 4/30

$412

Wed 5/216:56 pmSDF - BOI

1 stop7h 26mDelta

Wed 5/285:35 amBOI - SDF

1 stop8h 09mDelta

Deal found 4/30

$383

Wed 5/216:25 amSDF - BOI

2 stops8h 50mSouthwest

Wed 5/288:40 amBOI - SDF

2 stops10h 00mSouthwest

Deal found 4/30

$398

Wed 5/217:00 amSDF - BOI

2 stops14h 15mUnited Airlines

Wed 5/287:07 pmBOI - SDF

2 stops12h 26mUnited Airlines

Deal found 4/30

$453

One-way flights from Louisville to Boise
Search for one-way flight options from Louisville to Boise. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Thu 5/86:56 pmSDF - BOI

1 stop7h 26mDelta

Deal found 4/29

$338

Sun 5/41:32 pmSDF - BOI

3 stops25h 25mSpirit Airlines

Deal found 4/30

$349

Tue 5/66:00 amSDF - BOI

1 stop8h 45mAmerican Airlines

Deal found 4/30

$364

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Sat 7/5

6:05 am-10:59 am

1 stop6h 54m

Boise Air Term. Gowen Fld

Mon 7/14

11:40 pm-9:48 am

1 stop8h 08m

$352

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Sat 7/5

6:25 am-10:30 am

1 stop6h 05m

Boise Air Term. Gowen Fld

Sat 7/12

10:50 am-11:00 pm

2 stops10h 10m

$357

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Sat 7/5

7:44 am-2:41 pm

1 stop8h 57m

Boise Air Term. Gowen Fld

Sat 7/12

11:44 am-10:44 pm

1 stop9h 00m

$372

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Thu 5/15

8:19 pm-11:21 am

2 stops17h 02m

Boise Air Term. Gowen Fld

Mon 5/19

12:16 pm-12:03 pm

2 stops21h 47m

$401

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Wed 5/21

7:00 am-7:15 pm

2 stops14h 15m

Boise Air Term. Gowen Fld

Wed 5/28

7:07 pm-9:33 am

2 stops12h 26m

$453

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Wed 6/4

3:51 pm-5:42 pm

3 stops27h 51m

Boise Air Term. Gowen Fld

Sun 6/8

6:32 pm-12:03 pm

3 stops39h 31m

$460

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Thu 5/8

6:56 pm-12:22 am

1 stop7h 26m

$338

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Sun 5/4

1:32 pm-12:57 pm

3 stops25h 25m

$349

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Tue 5/6

6:00 am-12:45 pm

1 stop8h 45m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 May.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Boise flight deals on Cheapflights vs. FlightHub >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, October is the cheapest month in which you can book a flight from Louisville to Boise (average of $314). Flying from Louisville to Boise in June is currently the most expensive (average of $406). 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.

Rainfall in Boise by month

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.

Temperature in Boise by month

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).

Reviews of airlines servicing Boise

Southwest

8.0

Very good

4,294 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Southwest

8.0

Very good

4,294 reviews

Southwest

8.0

Very good

4,294 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Delta

8.0

Very good

7,934 reviews

Southwest

8.0

Very good

4,294 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

United Airlines

7.4

Good

8,696 reviews

Southwest

8.0

Very good

4,294 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,294 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Spirit Airlines

6.3

Okay

7,963 reviews

Southwest

8.0

Very good

4,294 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

What are the cheapest airlines flying from Louisville to Boise round-trip?
Cheapflights users have booked flights from Louisville to Boise round-trip from $352. Other airlines that can offer you cheap pricing are Southwest, from $357, and American Airlines, from $372. Delta is priced at 27% 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 ($338), Spirit Airlines ($349), and American Airlines ($364).
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, October is the cheapest month in which you can book a flight from Louisville to Boise (average of $314). Flying from Louisville to Boise in June is currently the most expensive (average of $406). 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.

See more FAQs

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McCall

Caldwell

Ontario

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Top 4 airlines flying from Louisville to Boise

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$300	Average$407	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$334	Average$451	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$371	Average$416	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$376	Average$626	FlexibilityNo cancel fee	On-time69%

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$338+ Cheap flights from Louisville to Boise (SDF - BOI)

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 5/8. 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

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Louisville to Boise

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 May 1, 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 May 1, 2025.

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 May.

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?

Rainfall in Boise by month

Plan your trip to Boise by taking into account the average rainfall totals by month.

Temperature in Boise by month

Plan your trip to Boise by taking into account the average temperature totals by month.

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated May 1, 2025.

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.

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 Louisville?

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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 May 1, 2025.