How long is the flight from Idaho Falls to Louisville?

Airlines like United Airlines fly from Idaho Falls to Louisville in about 5h 44m. The time it takes to get you to your destination can typically vary by up to . Idaho Falls and Louisville are separated by a distance of 1417 mi.

What are the cheapest airlines flying from Idaho Falls to Louisville round-trip?

American Airlines, at $268, was found to be the cheapest airline from Idaho Falls to Louisville. An alternate airline flying to your destination would be United Airlines.

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.

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).

What is the cheapest time of day to fly from IDA to SDF?

When flying from Idaho Falls to Louisville, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Idaho Falls-Louisville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Idaho Falls-Louisville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Idaho Falls-Louisville flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Idaho Falls-Louisville flights, Cheapflights users trust eDreams the most. eDreams 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 Idaho Falls-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Idaho Falls 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.

$343+ Flights from Idaho Falls to Louisville

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Cheap flight deals from Idaho Falls to Louisville

Best flights from Idaho Falls to Louisville
Discover carefully curated flight deals from Idaho Falls to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Sat 1/172:40 pmIDA - SDF

1 stop5h 44mUnited Airlines

Wed 1/219:00 amSDF - IDA

1 stop8h 31mUnited Airlines

Deal found 12/9

$343

Thu 1/82:40 pmIDA - SDF

1 stop5h 44mUnited Airlines

Mon 1/129:00 amSDF - IDA

1 stop6h 30mUnited Airlines

Deal found 12/10

$349

Last-minute flights from Idaho Falls to Louisville
Discover last-minute flight deals from Idaho Falls to Louisville. Data last updated December 12, 2025 and is based on user searches.

Thu 1/82:40 pmIDA - SDF

1 stop5h 44mUnited Airlines

Mon 1/129:00 amSDF - IDA

1 stop6h 30mUnited Airlines

Deal found 12/10

$349

Sat 1/172:40 pmIDA - SDF

1 stop5h 44mUnited Airlines

Wed 1/219:00 amSDF - IDA

1 stop8h 31mUnited Airlines

Deal found 12/9

$343

Find flight deals from Idaho Falls to Louisville

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$343 (United Airlines)

Provider with most accurate pricing for Idaho Falls Fanning Field-Louisville Intl flight deals.

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Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Louisville Intl flights.

Search Deals

From Idaho Falls Fanning Field to Louisville Intl

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho Falls to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsLouisville

IDA - SDF

IDASDF

Idaho Falls Fanning Field

Sat 1/17

2:40 pm-10:24 pm

1 stop5h 44m

Louisville Intl

Wed 1/21

9:00 am-3:31 pm

1 stop8h 31m

$343

Idaho FallsLouisville

IDA - SDF

IDASDF

Idaho Falls Fanning Field

Thu 1/8

2:40 pm-10:24 pm

1 stop5h 44m

Louisville Intl

Mon 1/12

9:00 am-1:30 pm

1 stop6h 30m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Compare providers for flights from Idaho Falls to Louisville

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Louisville in December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Idaho Falls-Louisville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Idaho Falls-Louisville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Idaho Falls-Louisville flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Idaho Falls-Louisville flights, Cheapflights users trust eDreams the most. eDreams 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 Idaho Falls-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 Idaho Falls to Louisville

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

Reviews of airlines servicing Louisville

Peruse reviews from past customers who have flown with United Airlines and American Airlines from Idaho Falls to Louisville to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,095 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

United Airlines

7.4

Good

9,095 reviews

United Airlines

7.4

Good

9,095 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

American Airlines

7.2

Good

11,050 reviews

United Airlines

7.4

Good

9,095 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

How long is the flight from Idaho Falls to Louisville?
Airlines like United Airlines fly from Idaho Falls to Louisville in about 5h 44m. The time it takes to get you to your destination can typically vary by up to . Idaho Falls and Louisville are separated by a distance of 1417 mi.
What are the cheapest airlines flying from Idaho Falls to Louisville round-trip?
American Airlines, at $268, was found to be the cheapest airline from Idaho Falls to Louisville. An alternate airline flying to your destination would be United Airlines.
Can I find deals for flights from Idaho Falls to Louisville that include hotel bookings?
Yes. In addition to deals on Idaho Falls to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Idaho Falls to Louisville?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Louisville.
Can I find deals for business class flights from Idaho Falls to Louisville?
Yes. Cheapflights offers flight deals from Idaho Falls 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.

See more FAQs

Shepherdsville

Jeffersonville

Elizabethtown

Corydon

Bardstown

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Top 2 airlines flying from Idaho Falls to Louisville

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$268	Average$433	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$268	Average$499	FlexibilityNo cancel fee	On-time69%

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$343+ Cheap flights from Idaho Falls to Louisville (IDA - 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Idaho Falls to Louisville with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Idaho Falls to Louisville

Best flights from Idaho Falls to LouisvilleDiscover carefully curated flight deals from Idaho Falls to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Discover carefully curated flight deals from Idaho Falls to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Find flight deals from Idaho Falls to Louisville

Most accurate provider

Most trusted provider

Round-trip from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho Falls to Louisville that are best for you.

Compare providers for flights from Idaho Falls 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 Idaho Falls to Louisville in December.

Best time to book a flight from Idaho Falls to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Idaho Falls with our price prediction graph.

Reviews of airlines servicing Louisville

Peruse reviews from past customers who have flown with United Airlines and American Airlines from Idaho Falls to Louisville to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from Idaho Falls to Louisville?

What are the cheapest airlines flying from Idaho Falls to Louisville round-trip?

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

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

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

Traveling to a place near Louisville?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Idaho Falls to Louisville

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Idaho Falls to Louisville

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Best flights from Idaho Falls to Louisville
Discover carefully curated flight deals from Idaho Falls to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.