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$172+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SDF
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$393
(American Airlines)

One-way from

$172
(Delta)

Popular in

March

Cheapest in

August

Average price

$629
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. 17% potential increase in price ($109 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This American Airlines deal was found by Cheapflights users on 2/19. 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 4/251:23 pmBOI - SDF
1 stop8h 33mAmerican Airlines
Fri 5/26:00 amSDF - BOI
1 stop8h 33mAmerican Airlines
Deal found 2/19$393
This Southwest deal was found by Cheapflights users on 2/19. 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 4/2510:40 amBOI - SDF
2 stops10h 30mSouthwest
Fri 5/27:30 amSDF - BOI
1 stop7h 45mSouthwest
Deal found 2/19$410
This Delta deal was found by Cheapflights users on 2/20. 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 9/31:43 pmBOI - SDF
1 stop8h 14mDelta
Sun 9/77:25 pmSDF - BOI
1 stop6h 04mDelta
Deal found 2/20$417
This American Airlines deal was found by Cheapflights users on 2/19. 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 9/1612:20 pmGEG - SDF
1 stop6h 21mAmerican Airlines
Tue 9/238:01 amSDF - GEG
1 stop6h 39mAmerican Airlines
Deal found 2/19$417
This Delta deal was found by Cheapflights users on 2/19. 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 9/1612:40 pmGEG - SDF
1 stop6h 52mDelta
Tue 9/232:15 pmSDF - GEG
2 stops13h 04mDelta
Deal found 2/19$422
This Southwest deal was found by Cheapflights users on 2/19. 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.
Tue 9/165:45 amGEG - SDF
2 stops9h 40mSouthwest
Tue 9/231:15 pmSDF - GEG
2 stops12h 00mSouthwest
Deal found 2/19$437
This American Airlines deal was found by Cheapflights users on 2/19. 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 3/123:48 pmJAC - SDF
1 stop6h 20mAmerican Airlines
Fri 3/145:47 amSDF - JAC
1 stop8h 13mAmerican Airlines
Deal found 2/19$467
This Delta deal was found by Cheapflights users on 2/19. 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.
Mon 4/281:23 pmJAC - SDF
2 stops8h 36mDelta
Thu 5/112:05 pmSDF - JAC
2 stops8h 53mDelta
Deal found 2/19$477
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 9/105:30 amBOI - SDF
2 stops14h 11mAlaska Airlines
Mon 9/154:51 pmSDF - BOI
2 stops18h 35mAlaska Airlines
Deal found 2/20$517
This United Airlines deal was found by Cheapflights users on 2/19. 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 3/1211:00 amJAC - SDF
2 stops10h 29mUnited Airlines
Fri 3/147:02 amSDF - JAC
2 stops28h 46mUnited Airlines
Deal found 2/19$569
This United Airlines deal was found by Cheapflights users on 2/19. 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 3/225:00 amGEG - SDF
2 stops12h 22mUnited Airlines
Fri 3/288:53 amSDF - GEG
1 stop6h 50mUnited Airlines
Deal found 2/19$826
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 2/199:24 pmGEG - SDF
2 stops21h 33mAlaska Airlines
Tue 2/257:01 amSDF - GEG
2 stops12h 56mAlaska Airlines
Deal found 2/19$833

Find flights from Idaho to Louisville within your budget

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 20, 2025.

Fly from

Idaho

Fly to

Louisville

Route

Depart

Return

Price

BoiseLouisville

BOI - SDF

BOISDF

Boise Air Term. Gowen Fld

Fri 4/25

1:23 pm-11:56 pm

1 stop8h 33m

Louisville Intl

Fri 5/2

6:00 am-12:33 pm

1 stop8h 33m

$393

BoiseLouisville

BOI - SDF

BOISDF

Boise Air Term. Gowen Fld

Fri 4/25

10:40 am-11:10 pm

2 stops10h 30m

Louisville Intl

Fri 5/2

7:30 am-1:15 pm

1 stop7h 45m

$410

BoiseLouisville

BOI - SDF

BOISDF

Boise Air Term. Gowen Fld

Thu 6/5

5:40 am-12:58 pm

1 stop5h 18m

Louisville Intl

Sun 6/15

7:25 pm-11:29 pm

1 stop6h 04m

$417

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Tue 5/6

1:22 pm-12:26 am

1 stop8h 04m

Louisville Intl

Sun 5/11

6:00 am-12:25 pm

1 stop9h 25m

$430

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Tue 5/6

6:15 am-4:30 pm

1 stop7h 15m

Louisville Intl

Sun 5/11

6:35 am-3:10 pm

2 stops11h 35m

$448

JacksonLouisville

JAC - SDF

JACSDF

Jackson Hole

Wed 3/12

3:48 pm-12:08 am

1 stop6h 20m

Louisville Intl

Fri 3/14

5:47 am-12:00 pm

1 stop8h 13m

$467

JacksonLouisville

JAC - SDF

JACSDF

Jackson Hole

Mon 4/28

1:23 pm-11:59 pm

2 stops8h 36m

Louisville Intl

Thu 5/1

12:05 pm-6:58 pm

2 stops8h 53m

$477

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Thu 3/6

1:10 pm-11:58 pm

1 stop7h 48m

Louisville Intl

Mon 3/10

4:34 pm-10:40 pm

1 stop9h 06m

$517

JacksonLouisville

JAC - SDF

JACSDF

Jackson Hole

Wed 3/12

11:00 am-11:29 pm

2 stops10h 29m

Louisville Intl

Fri 3/14

7:02 am-9:48 am

2 stops28h 46m

$569

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Sat 3/22

5:00 am-8:22 pm

2 stops12h 22m

Louisville Intl

Fri 3/28

8:53 am-12:43 pm

1 stop6h 50m

$826

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 17 results
1
2

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.

Travel insights for flights from Idaho to Louisville

Get recent, data-driven insights about flights from Idaho to Louisville including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Idaho to Louisville (average of $299). Flying from Idaho 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 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 February 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Louisville as you normally would.

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 February 20, 2025.
To help decide which airline to fly from Idaho to Louisville, see what other customers have to say about Southwest, Alaska Airlines and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $172. Users have also found prices from $172 and $174 on American Airlines and Southwest, 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 Idaho Falls Fanning Field - 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, January is the cheapest month in which you can book a flight from Idaho to Louisville (average of $299). Flying from Idaho 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 Idaho?

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

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Alternative routes for Idaho to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
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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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$278Average$429FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$342Average$446FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$356Average$536FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$376Average$590FlexibilityNo cancel feeOn-time69%
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