$214+ 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SDF
Nov 18 — Nov 251
Round-trip
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
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boise to LouisvilleExplore 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 October 19, 2026.
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 October 19, 2026.
This American Airlines deal was found by Cheapflights users on 10/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/91:39 pm -
1 stop5h 58m
Mon 12/146:01 am -
1 stop7h 23m
Deal found 10/14![American Airlines logo]()
$363
This Southwest deal was found by Cheapflights users on 10/14. 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.
Wed 12/96:20 am -
2 stops10h 35m
Mon 12/144:15 pm -
1 stop8h 55m
Deal found 10/14![Southwest logo]()
$368
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/161:47 pm -
1 stop6h 04m
Sun 1/106:36 am -
1 stop8h 06m
Deal found 10/14![Delta logo]()
$395
This Southwest deal was found by Cheapflights users on 10/16. 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.
Sat 11/145:55 am -
1 stop6h 25m
Sat 11/218:30 pm -
1 stop7h 10m
Deal found 10/16![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 10/14. 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.
Wed 12/166:20 am -
2 stops10h 35m
Sun 1/106:15 am -
1 stop6h 45m
Deal found 10/14![Southwest logo]()
$400
This Delta deal was found by Cheapflights users on 10/16. 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.
Sat 11/143:00 pm -
1 stop5h 46m
Sat 11/2112:40 pm -
2 stops11h 46m
Deal found 10/16![Delta logo]()
$402
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2011:10 pm -
1 stop8h 25m
Sun 1/107:20 am -
2 stops13h 13m
Deal found 10/14![Delta logo]()
$412
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2811:10 pm -
1 stop7h 56m
Tue 12/15:56 pm -
2 stops8h 14m
Deal found 10/14![Delta logo]()
$452
This United Airlines deal was found by Cheapflights users on 10/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/142:51 pm -
1 stop5h 33m
Tue 11/178:00 am -
1 stop7h 45m
Deal found 10/14![United Airlines logo]()
$483
Best flights from Boise to LouisvilleDiscover carefully curated flight deals from Boise to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from Boise to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This Southwest deal was found by Cheapflights users on 10/14. 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.
Wed 12/166:20 am -
2 stops10h 35m
Sun 1/106:15 am -
1 stop6h 45m
Deal found 10/14![Southwest logo]()
$400
This Delta deal was found by Cheapflights users on 10/16. 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.
Sat 11/143:00 pm -
1 stop5h 46m
Sat 11/2112:40 pm -
2 stops11h 46m
Deal found 10/16![Delta logo]()
$402
This United Airlines deal was found by Cheapflights users on 10/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/142:51 pm -
1 stop5h 33m
Tue 11/178:00 am -
1 stop7h 45m
Deal found 10/14![United Airlines logo]()
$483
This Delta deal was found by Cheapflights users on 10/15. 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.
Thu 1/143:22 pm -
1 stop5h 33m
Wed 1/207:20 am -
2 stops13h 13m
Deal found 10/15![Delta logo]()
$412
This Delta deal was found by Cheapflights users on 10/15. 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.
Thu 1/145:40 am -
1 stop7h 37m
Tue 1/197:20 am -
2 stops14h 57m
Deal found 10/15![Delta logo]()
$412
This Southwest deal was found by Cheapflights users on 10/16. 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.
Fri 12/187:00 am -
2 stops10h 55m
Wed 12/3011:40 am -
2 stops9h 00m
Deal found 10/16![Southwest logo]()
$521
This Delta deal was found by Cheapflights users on 10/16. 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 12/182:54 pm -
1 stop7h 15m
Wed 12/304:38 pm -
1 stop7h 22m
Deal found 10/16![Delta logo]()
$493
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2811:10 pm -
1 stop7h 56m
Tue 12/17:05 am -
1 stop8h 39m
Deal found 10/14![Delta logo]()
$555
Last-minute flights from Boise to LouisvilleDiscover last-minute flight deals from Boise to Louisville. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Louisville. Data last updated October 19, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 10/16. 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.
Sat 11/145:55 am -
1 stop6h 25m
Sat 11/218:30 pm -
1 stop7h 10m
Deal found 10/16![Southwest logo]()
$397
This Delta deal was found by Cheapflights users on 10/16. 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.
Sat 11/143:00 pm -
1 stop5h 46m
Sat 11/2112:40 pm -
2 stops11h 46m
Deal found 10/16![Delta logo]()
$402
This United Airlines deal was found by Cheapflights users on 10/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/142:51 pm -
1 stop5h 33m
Tue 11/178:00 am -
1 stop7h 45m
Deal found 10/14![United Airlines logo]()
$483
This American Airlines deal was found by Cheapflights users on 10/18. 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 11/202:42 pm -
1 stop7h 33m
Mon 11/236:48 pm -
1 stop7h 01m
Deal found 10/18![American Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 10/18. 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 11/2011:32 am -
2 stops9h 14m
Mon 11/238:05 am -
1 stop7h 34m
Deal found 10/18![Delta logo]()
$492
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2811:10 pm -
1 stop7h 56m
Tue 12/15:56 pm -
2 stops8h 14m
Deal found 10/14![Delta logo]()
$452
One-way flights from Boise to LouisvilleSearch for one-way flight options from Boise to Louisville. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
Search for one-way flight options from Boise to Louisville. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/811:10 pm -
1 stop7h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Delta logo]()
$214
This United Airlines deal was found by Cheapflights users on 10/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:10 pm -
3 stops19h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![United Airlines logo]()
$330
Find 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 October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $363 (American Airlines) |
One-way from | $214 (Delta) |
Popular in | March |
Cheapest in | May |
Average price | $592 |
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 7,457,451 searches. Data last updated October 19, 2026.
Use the filters below to find and compare flights from Boise to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BoiseLouisville
BOI Boise Air Term. Gowen Fld - SDF Louisville Intl
BOISDF
Boise Air Term. Gowen Fld
Sun 11/8
11:10 pm-9:06 am
1 stop7h 56m
Louisville Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$214
BoiseLouisville
BOI Boise Air Term. Gowen Fld - SDF Louisville Intl
BOISDF
Boise Air Term. Gowen Fld
Sun 11/8
7:10 pm-5:02 pm
3 stops19h 52m
Louisville Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$330
BoiseLouisville
BOI Boise Air Term. Gowen Fld - SDF Louisville Intl
BOISDF
Boise Air Term. Gowen Fld
Wed 12/16
6:20 am-6:55 pm
2 stops10h 35m
Louisville Intl
Sun 1/10
6:15 am-11:00 am
1 stop6h 45m
$400
BoiseLouisville
BOI Boise Air Term. Gowen Fld - SDF Louisville Intl
BOISDF
Boise Air Term. Gowen Fld
Sat 11/14
3:00 pm-10:46 pm
1 stop5h 46m
Louisville Intl
Sat 11/21
12:40 pm-10:26 pm
2 stops11h 46m
$402
BoiseLouisville
BOI Boise Air Term. Gowen Fld - SDF Louisville Intl
BOISDF
Boise Air Term. Gowen Fld
Thu 1/14
3:22 pm-10:55 pm
1 stop5h 33m
Louisville Intl
Wed 1/20
7:20 am-6:33 pm
2 stops13h 13m
$412
BoiseLouisville
BOI Boise Air Term. Gowen Fld - SDF Louisville Intl
BOISDF
Boise Air Term. Gowen Fld
Thu 1/14
5:40 am-3:17 pm
1 stop7h 37m
Louisville Intl
Tue 1/19
7:20 am-8:17 pm
2 stops14h 57m
$412
BoiseLouisville
BOI Boise Air Term. Gowen Fld - SDF Louisville Intl
BOISDF
Boise Air Term. Gowen Fld
Sat 11/14
2:51 pm-10:24 pm
1 stop5h 33m
Louisville Intl
Tue 11/17
8:00 am-1:45 pm
1 stop7h 45m
$483
BoiseLouisville
BOI Boise Air Term. Gowen Fld - SDF Louisville Intl
BOISDF
Boise Air Term. Gowen Fld
Fri 12/18
2:54 pm-12:09 am
1 stop7h 15m
Louisville Intl
Wed 12/30
4:38 pm-10:00 pm
1 stop7h 22m
$493
BoiseLouisville
BOI Boise Air Term. Gowen Fld - SDF Louisville Intl
BOISDF
Boise Air Term. Gowen Fld
Fri 12/18
7:00 am-7:55 pm
2 stops10h 55m
Louisville Intl
Wed 12/30
11:40 am-6:40 pm
2 stops9h 00m
$521
BoiseLouisville
BOI Boise Air Term. Gowen Fld - SDF Louisville Intl
BOISDF
Boise Air Term. Gowen Fld
Sat 11/28
11:10 pm-9:06 am
1 stop7h 56m
Louisville Intl
Tue 12/1
7:05 am-1:44 pm
1 stop8h 39m
$555
Sorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boise-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Louisville flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
BOI-SDF
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
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 October 19, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Boise to Louisville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
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.
Traveling to a place near Louisville?
Book flights to Louisville if you plan to visit one of these locationsShepherdsville
Elizabethtown
Jeffersonville
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
Complete your trip
Flights by cabin class
Louisville flight routes
Other flight options
Other flights from Boise
Popular flights
Alternative routes for Boise to Louisville
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Louisville by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boise to Louisville by cabin class
Find flights from Boise to Louisville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Louisville
Explore flights to Louisville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 19, 2026.
Boise and Louisville flights
Browse other Boise and Louisville flight options. Last updated on October 19, 2026.
Other flights from Boise
Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on October 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$280 | Average$580 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$372 | Average$524 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$376 | Average$487 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$381 | Average$517 | FlexibilityNo cancel fee | On-time69% |