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$170+ 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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BOI
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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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 October 28, 2025.

This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:13 amSDF - BOI
1 stop7h 22mAmerican Airlines
Sat 11/151:40 pmBOI - SDF
1 stop7h 15mAmerican Airlines
Deal found 10/27$537
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/117:00 amSDF - BOI
2 stops8h 25mUnited Airlines
Sat 11/156:15 amBOI - SDF
2 stops9h 01mUnited Airlines
Deal found 10/27$547
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:26 pmSDF - BOI
1 stop6h 43mDelta
Sat 11/1511:10 amBOI - SDF
2 stops10h 56mDelta
Deal found 10/27$562
This Delta deal was found by Cheapflights users on 10/26. 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 11/287:50 amSDF - BOI
2 stops11h 13mDelta
Mon 12/17:45 pmBOI - SDF
2 stops12h 19mDelta
Deal found 10/26$804
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/287:13 amSDF - BOI
1 stop7h 21mAmerican Airlines
Mon 12/11:33 pmBOI - SDF
1 stop5h 56mAmerican Airlines
Deal found 10/27$832

Cheap flight deals from Louisville to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Boise (BOI). 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$320
(Delta)

One-way from

$170
(American Airlines)

Popular in

November

Cheapest in

September

Average price

$518
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
One-way flight from Louisville Intl to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($144 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Boise 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 October 28, 2025.
Use the filters below to find and compare flights from Louisville to Boise that are best for you.

Fly from

Louisville

Fly to

Boise

Route

Depart

Return

Price

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Tue 11/11

7:13 am-12:35 pm

1 stop7h 22m

Boise Air Term. Gowen Fld

Sat 11/15

1:40 pm-10:55 pm

1 stop7h 15m

$537

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Tue 11/11

7:00 am-1:25 pm

2 stops8h 25m

Boise Air Term. Gowen Fld

Sat 11/15

6:15 am-5:16 pm

2 stops9h 01m

$547

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Tue 11/11

7:26 pm-12:09 am

1 stop6h 43m

Boise Air Term. Gowen Fld

Sat 11/15

11:10 am-12:06 am

2 stops10h 56m

$562

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Fri 11/28

7:50 am-5:03 pm

2 stops11h 13m

Boise Air Term. Gowen Fld

Mon 12/1

7:45 pm-10:04 am

2 stops12h 19m

$804

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Fri 11/28

7:13 am-12:34 pm

1 stop7h 21m

Boise Air Term. Gowen Fld

Mon 12/1

1:33 pm-9:29 pm

1 stop5h 56m

$842

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Thu 12/25

6:35 am-12:37 pm

1 stop8h 02m

$170

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Thu 12/25

6:05 am-2:05 pm

2 stops10h 00m

$260

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Sun 11/2

12:00 pm-7:30 pm

1 stop9h 30m

$353

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Sun 11/2

5:00 am-12:06 pm

1 stop9h 06m

$524

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Sun 11/2

10:30 am-6:51 pm

2 stops10h 21m

$529

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 12 results
1
2

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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-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, August is the cheapest month in which you can book a flight from Louisville to Boise (average of $196). Flying from Louisville to Boise in September is currently the most expensive (average of $298). 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

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 October 28, 2025.
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
8.0
Very good
4,240 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,994 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,001 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,032 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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?

    Airlines like American Airlines, United Airlines, and Delta fly from Louisville to Boise in about 6h 43m. The time it takes to get you to your destination can typically vary by up to 1h 42m. 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 $258. Other airlines that can offer you cheap pricing are American Airlines, from $287, and Southwest, from $351. Delta is priced at 44% 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 American Airlines ($170), Southwest ($260), and Delta ($529).

  • 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, August is the cheapest month in which you can book a flight from Louisville to Boise (average of $196). Flying from Louisville to Boise in September is currently the most expensive (average of $298). 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

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Ontario
Meridian
Nampa
Caldwell
McCall

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Top 4 airlines flying from Louisville to Boise

Discover the top 4 airlines that operate flights from Louisville to Boise. 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$375FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$287Average$402FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$351Average$426FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$386Average$646FlexibilityNo cancel feeOn-time69%

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