HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisville

$307+ Cheap flights from Boise to Louisville (BOI - SDF)

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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SDF
abr. 20 — abr. 271
dom. 4/20
dom. 4/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boise to Louisville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Boise to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Louisville (SDF). 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 abril 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$325
(Delta)

Popular in

March

Cheapest in

August

Average price

$580
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Louisville Intl flights.
Search Deals
From Boise Air Term. Gowen Fld to Louisville Intl
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($123 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Boise to Louisville

Cheapest flights from Boise to Louisville
Explore the most affordable flight options available from Boise to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 15, 2025.

This Delta deal was found by Cheapflights users on 4/13. 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.
mié. 5/215:35 amBOI - SDF
1 stop8h 09mDelta
mié. 5/286:56 pmSDF - BOI
1 stop7h 26mDelta
Deal found 4/13$307
This Southwest deal was found by Cheapflights users on 4/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/1410:50 amBOI - SDF
1 stop8h 55mSouthwest
mié. 5/216:25 amSDF - BOI
2 stops10h 00mSouthwest
Deal found 4/14$354
This American Airlines deal was found by Cheapflights users on 4/13. 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.
lun. 5/121:38 pmBOI - SDF
1 stop8h 47mAmerican Airlines
lun. 5/196:00 amSDF - BOI
1 stop8h 45mAmerican Airlines
Deal found 4/13$470
This Mytrip deal was found by Cheapflights users on 4/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/281:52 pmBOI - SDF
2 stops30h 25mMultiple Airlines
vie. 5/25:05 amSDF - BOI
3 stops34h 16mMultiple Airlines
Deal found 4/13$511
This United Airlines deal was found by Cheapflights users on 4/13. 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.
lun. 4/285:00 amBOI - SDF
1 stop7h 25mUnited Airlines
vie. 5/28:00 amSDF - BOI
1 stop7h 37mUnited Airlines
Deal found 4/13$517
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1011:19 amBOI - SDF
2 stops10h 37mAlaska Airlines
lun. 9/156:34 amSDF - BOI
2 stops12h 16mAlaska Airlines
Deal found 4/14$732

Cheapflights Fare Finder

Customize your flight search to find flights from Boise to Louisville 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 abril 15, 2025.
Use the filters below to find and compare flights from Boise to Louisville that are best for you.

Fly from

Boise

Fly to

Louisville

Route

Depart

Return

Price

BoiseLouisville

BOI - SDF

BOISDF

Boise Air Term. Gowen Fld

mié. 5/21

5:35 am-3:44 pm

1 stop8h 09m

Louisville Intl

mié. 5/28

6:56 pm-12:22 am

1 stop7h 26m

$307

BoiseLouisville

BOI - SDF

BOISDF

Boise Air Term. Gowen Fld

mié. 5/14

10:50 am-9:45 pm

1 stop8h 55m

Louisville Intl

mié. 5/21

6:25 am-2:25 pm

2 stops10h 00m

$354

BoiseLouisville

BOI - SDF

BOISDF

Boise Air Term. Gowen Fld

lun. 5/12

1:38 pm-12:25 am

1 stop8h 47m

Louisville Intl

lun. 5/19

6:00 am-12:45 pm

1 stop8h 45m

$470

BoiseLouisville

BOI - SDF

BOISDF

Boise Air Term. Gowen Fld

lun. 4/28

1:52 pm-10:17 pm

2 stops30h 25m

Louisville Intl

vie. 5/2

5:05 am-1:21 pm

3 stops34h 16m

$511

BoiseLouisville

BOI - SDF

BOISDF

Boise Air Term. Gowen Fld

lun. 4/28

5:00 am-2:25 pm

1 stop7h 25m

Louisville Intl

vie. 5/2

8:00 am-1:37 pm

1 stop7h 37m

$517

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Compare providers for flights from Boise to Louisville

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 Boise to Louisville in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
FareScanPrice Accuracy-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 Boise-Louisville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boise-Louisville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boise-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Louisville 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 Boise-Louisville 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 Boise to Louisville

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

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

Currently, January is the cheapest month in which you can book a flight from Boise to Louisville (average of $299). Flying from Boise to Louisville in April is currently the most expensive (average of $369). 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.

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

Find hourly flight availability from Boise to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 15, 2025.

It’s optimal to fly from Boise to Louisville in the evening. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Boise to Louisville. Price data was last updated on December 16, 2024.

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

Rainfall in Louisville by month

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

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

Temperature in Louisville by month

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

If weather is an important factor for your trip to Louisville, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated abril 15, 2025.
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,871 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,278 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,656 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

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

    Currently priced at $325, Delta will fly you from Boise to Louisville and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and American Airlines - these airlines can fly you to your destination from $343 and $608, respectively. Delta is 35% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

  • How can I find direct flights from Boise to Louisville?

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

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

    Yes. Cheapflights offers flight deals from Boise to Louisville 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 Boise to Louisville?

    Currently, January is the cheapest month in which you can book a flight from Boise to Louisville (average of $299). Flying from Boise to Louisville in April is currently the most expensive (average of $369). 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
Jeffersonville
Corydon
Elizabethtown
Bardstown

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boise to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
Spokane to Nashville flights
Boise to Nashville flights
Boise to Cincinnati flights
Spokane to Knoxville flights
Idaho Falls to Nashville flights
Boise to Knoxville flights
Spokane to Cincinnati flights
Jackson to Lexington flights
Idaho Falls to Cincinnati flights
Spokane to Louisville flights
Jackson to Nashville flights
Idaho Falls to Lexington flights
Jackson to Cincinnati flights
Idaho Falls to Louisville flights
Idaho Falls to Knoxville flights
Spokane to Lexington flights
Spokane to Blountville flights
Jackson to Louisville flights
Boise to Lexington flights
Jackson to Knoxville flights
Pocatello to Lexington flights
Hailey to Louisville flights
Boise to Paducah flights
Lewiston to Cincinnati flights
Twin Falls to Knoxville flights
Twin Falls to Cincinnati flights
Hailey to Knoxville flights
Hailey to Nashville flights
Pocatello to Knoxville flights
Lewiston to Knoxville flights
Lewiston to Lexington flights
Spokane to Evansville flights

Top 4 airlines flying from Boise to Louisville

Discover the top 4 airlines that operate flights from Boise to Louisville. 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 abril 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$278Average$414FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$348Average$437FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$356Average$516FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$376Average$642FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.