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$170+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SDF
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
1 adult, Economy
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Cheap flight deals from Idaho to Louisville

Keep the following information in mind while searching for Idaho to Louisville flight deals. Data was last updated octubre 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$289
(United Airlines)

One-way from

$170
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$542
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Louisville Intl flights.
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From Idaho to Louisville Intl
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One-way flight from Idaho to Louisville Intl
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Highest demand for flights based on searches. 4% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 octubre 28, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/132:40 pmJAC - SDF
1 stop5h 50mUnited Airlines
lun. 11/178:00 amSDF - JAC
1 stop7h 17mUnited Airlines
Deal found 10/26$309
This Delta deal was found by Cheapflights users on 10/28. 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.
jue. 11/2712:57 pmJAC - SDF
2 stops8h 03mDelta
jue. 12/412:58 pmSDF - JAC
2 stops10h 31mDelta
Deal found 10/28$319
This American Airlines deal was found by Cheapflights users on 10/28. 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.
jue. 11/131:11 pmJAC - SDF
1 stop6h 49mAmerican Airlines
lun. 11/177:13 amSDF - JAC
1 stop7h 03mAmerican Airlines
Deal found 10/28$329
This American Airlines deal was found by Cheapflights users on 10/28. 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.
jue. 12/111:14 pmGEG - SDF
1 stop6h 42mAmerican Airlines
lun. 12/156:21 pmSDF - GEG
1 stop21h 09mAmerican Airlines
Deal found 10/28$347
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.
jue. 12/117:35 pmGEG - SDF
2 stops13h 22mDelta
lun. 12/157:15 amSDF - GEG
1 stop7h 47mDelta
Deal found 10/27$356
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.
dom. 12/211:39 pmBOI - SDF
1 stop7h 51mAmerican Airlines
jue. 12/256:35 amSDF - BOI
1 stop8h 02mAmerican Airlines
Deal found 10/27$388
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.
jue. 12/111:25 pmBOI - SDF
1 stop6h 52mAmerican Airlines
dom. 12/146:30 amSDF - BOI
1 stop8h 36mAmerican Airlines
Deal found 10/27$394
This United Airlines deal was found by Cheapflights users on 10/28. 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.
mié. 12/105:25 amGEG - SDF
1 stop6h 05mUnited Airlines
dom. 12/149:00 amSDF - GEG
1 stop6h 45mUnited Airlines
Deal found 10/28$394
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/2112:45 pmBOI - SDF
1 stop7h 44mUnited Airlines
lun. 11/247:00 amSDF - BOI
1 stop6h 39mUnited Airlines
Deal found 10/26$398
This Southwest deal was found by Cheapflights users on 10/28. 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. 12/106:05 amGEG - SDF
2 stops8h 05mSouthwest
dom. 12/1412:00 pmSDF - GEG
1 stop8h 10mSouthwest
Deal found 10/28$399
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.
vie. 11/213:04 pmBOI - SDF
1 stop5h 56mDelta
lun. 11/242:22 pmSDF - BOI
2 stops11h 45mDelta
Deal found 10/26$403
This Delta deal was found by Cheapflights users on 10/28. 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. 12/106:00 amGEG - SDF
2 stops10h 12mDelta
dom. 12/146:00 amSDF - GEG
2 stops10h 18mDelta
Deal found 10/28$404

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 octubre 28, 2025.
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

jue. 3/5

2:30 pm-9:59 pm

1 stop5h 29m

Louisville Intl

lun. 3/9

6:00 am-1:05 pm

1 stop9h 05m

$289

JacksonLouisville

JAC - SDF

JACSDF

Jackson Hole

jue. 11/13

1:11 pm-10:00 pm

1 stop6h 49m

Louisville Intl

lun. 11/17

7:13 am-12:16 pm

1 stop7h 03m

$309

JacksonLouisville

JAC - SDF

JACSDF

Jackson Hole

jue. 11/13

2:40 pm-10:30 pm

1 stop5h 50m

Louisville Intl

lun. 11/17

8:00 am-1:17 pm

1 stop7h 17m

$309

JacksonLouisville

JAC - SDF

JACSDF

Jackson Hole

jue. 11/27

12:57 pm-11:00 pm

2 stops8h 03m

Louisville Intl

jue. 12/4

12:58 pm-9:29 pm

2 stops10h 31m

$319

JacksonLouisville

JAC - SDF

JACSDF

Jackson Hole

vie. 3/6

2:30 pm-9:59 pm

1 stop5h 29m

Louisville Intl

lun. 3/9

6:00 am-1:05 pm

1 stop9h 05m

$325

BoiseLouisville

BOI - SDF

BOISDF

Boise Air Term. Gowen Fld

sáb. 2/21

5:40 am-3:49 pm

1 stop8h 09m

Louisville Intl

mar. 2/24

7:00 am-12:45 pm

1 stop7h 45m

$328

BoiseLouisville

BOI - SDF

BOISDF

Boise Air Term. Gowen Fld

mié. 2/18

5:40 am-3:49 pm

1 stop8h 09m

Louisville Intl

sáb. 2/21

6:36 am-2:09 pm

1 stop9h 33m

$328

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

jue. 12/11

1:14 pm-10:56 pm

1 stop6h 42m

Louisville Intl

lun. 12/15

6:21 pm-12:30 pm

1 stop21h 09m

$347

BoiseLouisville

BOI - SDF

BOISDF

Boise Air Term. Gowen Fld

jue. 1/29

11:20 am-9:10 pm

1 stop7h 50m

Louisville Intl

jue. 2/5

6:00 am-11:50 am

1 stop7h 50m

$351

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

mar. 3/3

2:05 pm-10:55 pm

1 stop5h 50m

Louisville Intl

mié. 3/4

6:00 am-11:41 am

1 stop8h 41m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 51 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 December is currently the most expensive (average of $384). 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 ID to SDF?

Find hourly flight availability from Idaho 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 octubre 28, 2025.

One of the essential ways to save on airfare from Idaho to Louisville is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 49% on airfare.

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 $289, United Airlines can have you in Louisville from Idaho in 5h 29m. The distance between Idaho and Louisville is about 1352 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 $176. Users have also found prices from $176 and $176 on Southwest and Delta, respectively.

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

    Most travelers choose Jackson Hole - Louisville Intl, Boise Air Term. Gowen Fld - Louisville Intl or Spokane - 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 December is currently the most expensive (average of $384). 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

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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 octubre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$268Average$450FlexibilityNo cancel feeOn-time71%
DeltaCheapest$306Average$452FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$363Average$467FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$401Average$636FlexibilityNo cancel feeOn-time69%

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