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Idaho

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

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.
SDF — BOI
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Louisville to Idaho

Cheapest flights from Louisville to Idaho
Explore the most affordable flight options available from Louisville to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This American Airlines deal was found by Cheapflights users on 1/27. 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 4/147:37 am
SDF
-
JAC
1 stop7h 01m
American Airlines
Tue 4/211:25 pm
JAC
-
SDF
1 stop7h 46m
American Airlines
Deal found 1/27$269
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 3/49:00 am
SDF
-
IDA
1 stop6h 30m
United Airlines
Sat 3/142:35 pm
IDA
-
SDF
1 stop5h 24m
United Airlines
Deal found 1/27$314
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Tue 2/106:28 am
SDF
-
JAC
1 stop8h 30m
United Airlines
Sat 2/141:05 pm
JAC
-
SDF
1 stop6h 41m
United Airlines
Deal found 1/26$329
This Delta deal was found by Cheapflights users on 1/27. 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 4/146:04 am
SDF
-
JAC
2 stops8h 00m
Delta
Tue 4/211:00 pm
JAC
-
SDF
2 stops8h 59m
Delta
Deal found 1/27$345
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Sat 4/189:00 am
SDF
-
JAC
1 stop8h 24m
United Airlines
Wed 4/222:35 pm
JAC
-
SDF
1 stop6h 04m
United Airlines
Deal found 1/26$349
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Wed 3/46:00 am
SDF
-
BOI
1 stop8h 48m
American Airlines
Tue 3/101:31 pm
BOI
-
SDF
1 stop7h 49m
American Airlines
Deal found 1/28$359
This Delta deal was found by Cheapflights users on 1/26. 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.
Wed 3/47:50 am
SDF
-
BOI
2 stops14h 25m
Delta
Tue 3/103:01 pm
BOI
-
SDF
1 stop6h 08m
Delta
Deal found 1/26$381
This Delta deal was found by Cheapflights users on 1/27. 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 3/176:00 am
SDF
-
BOI
1 stop8h 38m
Delta
Tue 3/2411:30 pm
BOI
-
SDF
1 stop7h 58m
Delta
Deal found 1/27$385
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Fri 2/279:00 am
SDF
-
JAC
1 stop8h 21m
United Airlines
Wed 3/47:00 am
JAC
-
SDF
1 stop5h 19m
United Airlines
Deal found 1/26$409
This American Airlines deal was found by Cheapflights users on 1/25. 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 3/276:33 am
SDF
-
GEG
1 stop8h 11m
American Airlines
Mon 3/3012:25 pm
GEG
-
SDF
1 stop7h 55m
American Airlines
Deal found 1/25$411
This Delta deal was found by Cheapflights users on 1/27. 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.
Thu 3/125:35 pm
SDF
-
GEG
1 stop7h 02m
Delta
Sun 3/1510:40 pm
GEG
-
SDF
2 stops11h 57m
Delta
Deal found 1/27$416
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Fri 2/277:40 am
SDF
-
JAC
1 stop6h 58m
American Airlines
Wed 3/41:44 pm
JAC
-
SDF
1 stop5h 42m
American Airlines
Deal found 1/28$420

Find flight deals from Louisville to Idaho

Keep the following information in mind while searching for Louisville to Idaho flight deals. Data was last updated January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(American Airlines)

One-way from

$180
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$402
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 Idaho
Search Deals
One-way flight from Louisville Intl to Idaho
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Idaho 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 January 28, 2026.
Use the filters below to find and compare flights from Louisville to Idaho that are best for you.

Fly from

Louisville

Fly to

Idaho

Route

Depart

Return

Price

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Wed 3/4

9:00 am-1:30 pm

1 stop6h 30m

Idaho Falls Fanning Field

Sat 3/14

2:35 pm-9:59 pm

1 stop5h 24m

$314

LouisvilleJackson

SDF - JAC

SDFJAC

Louisville Intl

Tue 2/10

6:28 am-12:58 pm

1 stop8h 30m

Jackson Hole

Sat 2/14

1:05 pm-9:46 pm

1 stop6h 41m

$329

LouisvilleJackson

SDF - JAC

SDFJAC

Louisville Intl

Tue 4/14

6:04 am-12:04 pm

2 stops8h 00m

Jackson Hole

Tue 4/21

1:00 pm-11:59 pm

2 stops8h 59m

$345

LouisvilleJackson

SDF - JAC

SDFJAC

Louisville Intl

Sat 4/18

9:00 am-3:24 pm

1 stop8h 24m

Jackson Hole

Wed 4/22

2:35 pm-10:39 pm

1 stop6h 04m

$349

LouisvilleJackson

SDF - JAC

SDFJAC

Louisville Intl

Tue 4/14

9:00 am-3:24 pm

1 stop8h 24m

Jackson Hole

Tue 4/21

7:00 am-11:12 pm

2 stops14h 12m

$354

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Wed 3/4

7:50 am-8:15 pm

2 stops14h 25m

Boise Air Term. Gowen Fld

Tue 3/10

3:01 pm-11:09 pm

1 stop6h 08m

$381

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Tue 3/17

6:00 am-12:42 pm

1 stop8h 42m

Boise Air Term. Gowen Fld

Tue 3/24

1:35 pm-11:58 pm

1 stop8h 23m

$385

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Tue 3/17

6:00 am-12:38 pm

1 stop8h 38m

Boise Air Term. Gowen Fld

Tue 3/24

11:30 pm-9:28 am

1 stop7h 58m

$385

LouisvilleJackson

SDF - JAC

SDFJAC

Louisville Intl

Fri 2/27

9:00 am-3:21 pm

1 stop8h 21m

Jackson Hole

Wed 3/4

7:00 am-2:19 pm

1 stop5h 19m

$409

LouisvilleSpokane

SDF - GEG

SDFGEG

Louisville Intl

Fri 3/27

6:33 am-11:44 am

1 stop8h 11m

Spokane

Mon 3/30

12:25 pm-11:20 pm

1 stop7h 55m

$411

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 32 results
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Best time to book a flight from Louisville to Idaho

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

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

Currently, December is the cheapest month in which you can book a flight from Louisville to Idaho (average of $121). Flying from Louisville to Idaho 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 Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated January 28, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Louisville to Idaho to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,267 reviews

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,124 reviews
Southwest
8.0
Very good
4,267 reviews

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,212 reviews
Southwest
8.0
Very good
4,267 reviews

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,201 reviews
Southwest
8.0
Very good
4,267 reviews

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Louisville to Idaho. 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 from for flights from Louisville to Idaho?

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

  • How long is the flight from Louisville to Idaho?

    A quick flight from Louisville to Idaho can take about 6h 30m. United Airlines provides one of the quickest options available for as low as $314. The distance from Louisville to Idaho is about 1417 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Louisville to Idaho (average of $121). Flying from Louisville to Idaho 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

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Louisville to Idaho

Discover the top 4 airlines that operate flights from Louisville to Idaho. 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$196Average$411FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$287Average$416FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$341Average$522FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$346Average$416FlexibilityNo cancel feeOn-time63%

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