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$180+ Cheap flights from Idaho to Louisville (SDF)

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SDF
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap flight deals from Idaho to Louisville

Cheapest flights from Idaho to Louisville
Explore the most affordable flight options available from Idaho to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This American Airlines deal was found by Cheapflights users on 2/10. 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.
Thu 3/51:08 pm
JAC
-
SDF
1 stop8h 50m
American Airlines
Mon 3/97:40 am
SDF
-
JAC
1 stop6h 58m
American Airlines
Deal found 2/10$329
This Delta deal was found by Cheapflights users on 2/10. 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 2/262:35 pm
JAC
-
SDF
1 stop7h 23m
Delta
Mon 3/27:00 am
SDF
-
JAC
1 stop8h 25m
Delta
Deal found 2/10$339
This Delta deal was found by Cheapflights users on 2/10. 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 2/262:35 pm
JAC
-
SDF
1 stop7h 23m
Delta
Tue 3/35:33 am
SDF
-
JAC
2 stops8h 34m
Delta
Deal found 2/10$344
This United Airlines deal was found by Cheapflights users on 2/10. 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 2/247:00 am
JAC
-
SDF
1 stop5h 19m
United Airlines
Sat 2/285:35 am
SDF
-
JAC
2 stops11h 46m
United Airlines
Deal found 2/10$359
This American Airlines deal was found by Cheapflights users on 2/10. 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 3/31:30 pm
BOI
-
SDF
1 stop7h 46m
American Airlines
Tue 3/106:33 am
SDF
-
BOI
1 stop8h 27m
American Airlines
Deal found 2/10$359
This Delta deal was found by Cheapflights users on 2/11. 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 5/512:36 pm
GEG
-
SDF
1 stop8h 23m
Delta
Tue 5/127:50 pm
SDF
-
GEG
1 stop6h 08m
Delta
Deal found 2/11$359
This Delta deal was found by Cheapflights users on 2/11. 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 5/912:27 pm
GEG
-
SDF
1 stop8h 32m
Delta
Tue 5/127:50 pm
SDF
-
GEG
1 stop6h 08m
Delta
Deal found 2/11$363
This United Airlines deal was found by Cheapflights users on 2/10. 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 5/55:00 am
GEG
-
SDF
2 stops12h 17m
United Airlines
Tue 5/129:00 am
SDF
-
GEG
1 stop6h 39m
United Airlines
Deal found 2/10$364
This United Airlines deal was found by Cheapflights users on 2/12. 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 5/21:41 pm
GEG
-
SDF
1 stop5h 49m
United Airlines
Sat 5/93:37 pm
SDF
-
GEG
1 stop8h 39m
United Airlines
Deal found 2/12$367
This Delta deal was found by Cheapflights users on 2/11. 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 5/22:08 pm
GEG
-
SDF
1 stop5h 40m
Delta
Wed 5/63:10 pm
SDF
-
GEG
2 stops12h 10m
Delta
Deal found 2/11$368
This Delta deal was found by Cheapflights users on 2/10. 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 4/2810:40 pm
GEG
-
SDF
1 stop8h 44m
Delta
Wed 5/137:50 pm
SDF
-
GEG
1 stop6h 08m
Delta
Deal found 2/10$369
This Delta deal was found by Cheapflights users on 2/11. 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 5/67:38 pm
GEG
-
SDF
2 stops11h 14m
Delta
Tue 5/124:26 pm
SDF
-
GEG
2 stops10h 30m
Delta
Deal found 2/11$370

Find flight deals from Idaho to Louisville

Keep the following information in mind while searching for Idaho to Louisville flight deals. Data was last updated February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(American Airlines)

One-way from

$180
(United Airlines)

Popular in

March

Cheapest in

August

Average price

$517
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 Idaho to Louisville Intl
Search Deals
One-way flight from Idaho to Louisville Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 February 13, 2026.
Use the filters below to find and compare flights from Idaho to Louisville that are best for you.

Fly from

Idaho

Fly to

Louisville

Route

Depart

Return

Price

JacksonLouisville

JAC - SDF

JACSDF

Jackson Hole

Fri 3/6

3:10 pm-11:58 pm

1 stop6h 48m

Louisville Intl

Mon 3/9

7:30 am-12:18 pm

1 stop6h 48m

$329

JacksonLouisville

JAC - SDF

JACSDF

Jackson Hole

Thu 3/5

1:44 pm-11:16 pm

1 stop7h 32m

Louisville Intl

Mon 3/9

7:30 am-12:18 pm

1 stop6h 48m

$329

JacksonLouisville

JAC - SDF

JACSDF

Jackson Hole

Thu 2/26

2:35 pm-11:58 pm

1 stop7h 23m

Louisville Intl

Tue 3/3

7:00 am-1:25 pm

1 stop8h 25m

$339

BoiseLouisville

BOI - SDF

BOISDF

Boise Air Term. Gowen Fld

Tue 3/3

1:30 pm-11:16 pm

1 stop7h 46m

Louisville Intl

Tue 3/10

6:33 am-1:00 pm

1 stop8h 27m

$359

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Wed 5/13

1:13 pm-12:23 am

1 stop8h 10m

Louisville Intl

Wed 5/20

8:36 am-12:23 pm

1 stop6h 47m

$359

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Tue 4/28

12:36 pm-11:59 pm

1 stop8h 23m

Louisville Intl

Tue 5/12

2:31 pm-9:13 pm

2 stops9h 42m

$364

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Wed 5/6

10:40 pm-8:56 am

1 stop7h 16m

Louisville Intl

Wed 5/13

2:31 pm-9:13 pm

2 stops9h 42m

$364

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Wed 5/13

5:36 pm-8:56 am

2 stops12h 20m

Louisville Intl

Wed 5/20

7:50 pm-10:58 pm

1 stop6h 08m

$364

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Sat 5/2

1:41 pm-10:30 pm

1 stop5h 49m

Louisville Intl

Sat 5/9

3:37 pm-9:16 pm

1 stop8h 39m

$367

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Sat 5/9

6:15 am-4:55 pm

1 stop7h 40m

Louisville Intl

Sat 5/16

5:45 pm-10:15 pm

1 stop7h 30m

$367

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Showing 1-10 of 45 results
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Best time to book a flight from Idaho to Louisville

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

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

Currently, September is the cheapest month in which you can book a flight from Idaho to Louisville (average of $125). Flying from Idaho to Louisville in January is currently the most expensive (average of $378). 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.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Louisville from Idaho?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly into when you book flights from Idaho to Louisville.

  • How long is the flight from Idaho to Louisville?

    For as low as $367, American Airlines can have you in Louisville from Idaho in 5h 49m. The distance between Idaho and Louisville is about 1720 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $153. Users have also found prices from $171 and $199 on United Airlines and Delta, respectively.

  • What are the most popular routes from Idaho to Louisville?

    Most travelers choose Spokane - Louisville Intl, Boise Air Term. Gowen Fld - Louisville Intl or Jackson Hole - Louisville Intl when deciding on the best route from Idaho to Louisville.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Idaho to Louisville (average of $125). Flying from Idaho to Louisville in January is currently the most expensive (average of $378). 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 Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Idaho to Louisville

Discover the top 4 airlines that operate flights from Idaho 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 February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$208Average$423FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$453FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$268Average$532FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$370Average$467FlexibilityNo cancel feeOn-time63%

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