How long is the flight from Idaho Falls to Louisville?

Airlines like United Airlines and American Airlines fly from Idaho Falls to Louisville in about 5h 52m. The time it takes to get you to your destination can typically vary by up to 08m. Idaho Falls and Louisville are separated by a distance of 1417 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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.

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

Currently, January is the cheapest month in which you can book a flight from Idaho Falls to Louisville (average of $299). Flying from Idaho Falls 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 day to fly from Idaho Falls to Louisville?

Travelers seeking maximum savings on their Idaho Falls to Louisville flight should consider departing on Tuesday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 day to fly round-trip from Idaho Falls to Louisville?

Users have found that flying from Idaho Falls to Louisville on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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.

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.

$324+ Cheap Flights from Idaho Falls to Louisville

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Cheap flight deals from Idaho Falls to Louisville

Round-trip from	$324 (United Airlines)

From Idaho Falls Fanning Field to Louisville Intl

Search Deals

Find flight deals from Idaho Falls to Louisville

Cheapest flights from Idaho Falls to Louisville
Explore the most affordable flight options available from Idaho Falls to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

vie. 12/52:45 pmIDA - SDF

1 stop5h 52mUnited Airlines

mar. 12/169:00 amSDF - IDA

1 stop8h 24mUnited Airlines

Deal found 9/11

$324

mié. 10/82:35 pmIDA - SDF

1 stop5h 55mUnited Airlines

lun. 10/133:30 pmSDF - IDA

1 stop7h 22mUnited Airlines

Deal found 9/10

$337

vie. 12/51:58 pmIDA - SDF

1 stop6h 00mAmerican Airlines

mar. 12/167:13 amSDF - IDA

1 stop8h 14mAmerican Airlines

Deal found 9/10

$364

jue. 10/97:00 amIDA - SDF

1 stop5h 32mUnited Airlines

lun. 10/207:20 pmSDF - IDA

2 stops16h 28mUnited Airlines

Deal found 9/10

$466

jue. 10/912:55 pmIDA - SDF

1 stop7h 30mAmerican Airlines

lun. 10/207:32 amSDF - IDA

1 stop7h 09mAmerican Airlines

Deal found 9/11

$476

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 septiembre 11, 2025.

vie. 12/52:45 pmIDA - SDF

1 stop5h 52mUnited Airlines

mar. 12/169:00 amSDF - IDA

1 stop8h 24mUnited Airlines

Deal found 9/11

$324

vie. 12/51:58 pmIDA - SDF

1 stop6h 00mAmerican Airlines

mar. 12/167:13 amSDF - IDA

1 stop8h 14mAmerican Airlines

Deal found 9/9

$364

mié. 10/82:35 pmIDA - SDF

1 stop5h 55mUnited Airlines

lun. 10/133:30 pmSDF - IDA

1 stop7h 22mUnited Airlines

Deal found 9/10

$337

jue. 10/97:00 amIDA - SDF

1 stop5h 32mUnited Airlines

lun. 10/207:20 pmSDF - IDA

2 stops16h 28mUnited Airlines

Deal found 9/10

$466

mar. 3/102:35 pmIDA - SDF

1 stop5h 22mUnited Airlines

mié. 3/113:20 pmSDF - IDA

1 stop7h 48mUnited Airlines

Deal found 9/8

$468

Last-minute flights from Idaho Falls to Louisville
Discover last-minute flight deals from Idaho Falls to Louisville. Data last updated septiembre 11, 2025 and is based on user searches.

mié. 10/82:35 pmIDA - SDF

1 stop5h 55mUnited Airlines

lun. 10/133:30 pmSDF - IDA

1 stop7h 22mUnited Airlines

Deal found 9/10

$337

mié. 10/86:00 amIDA - SDF

2 stops15h 03mAlaska Airlines

lun. 10/1312:32 pmSDF - IDA

2 stops12h 06mAlaska Airlines

Deal found 9/10

$848

jue. 10/97:00 amIDA - SDF

1 stop5h 32mUnited Airlines

lun. 10/207:20 pmSDF - IDA

2 stops16h 28mUnited Airlines

Deal found 9/10

$466

jue. 10/912:55 pmIDA - SDF

1 stop7h 30mAmerican Airlines

lun. 10/206:00 amSDF - IDA

1 stop8h 41mAmerican Airlines

Deal found 9/10

$476

jue. 10/96:00 amIDA - SDF

2 stops12h 23mAlaska Airlines

lun. 10/2012:32 pmSDF - IDA

2 stops12h 06mAlaska Airlines

Deal found 9/9

$1,109

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

vie. 12/5

2:45 pm-10:37 pm

1 stop5h 52m

Louisville Intl

mar. 12/16

9:00 am-3:24 pm

1 stop8h 24m

$324

Idaho FallsLouisville

IDA - SDF

IDASDF

Idaho Falls Fanning Field

mié. 10/8

2:35 pm-10:30 pm

1 stop5h 55m

Louisville Intl

lun. 10/13

3:30 pm-8:52 pm

1 stop7h 22m

$337

Idaho FallsLouisville

IDA - SDF

IDASDF

Idaho Falls Fanning Field

vie. 12/5

1:58 pm-9:58 pm

1 stop6h 00m

Louisville Intl

mar. 12/16

7:13 am-1:27 pm

1 stop8h 14m

$364

Idaho FallsLouisville

IDA - SDF

IDASDF

Idaho Falls Fanning Field

jue. 10/9

7:00 am-2:32 pm

1 stop5h 32m

Louisville Intl

lun. 10/20

7:20 pm-9:48 am

2 stops16h 28m

$466

Idaho FallsLouisville

IDA - SDF

IDASDF

Idaho Falls Fanning Field

mar. 3/10

2:35 pm-9:57 pm

1 stop5h 22m

Louisville Intl

mié. 3/11

3:20 pm-9:08 pm

1 stop7h 48m

$468

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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

8,937 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines

7.4

Good

8,937 reviews

United Airlines

7.4

Good

8,937 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,937 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

How long is the flight from Idaho Falls to Louisville?
Airlines like United Airlines and American Airlines fly from Idaho Falls to Louisville in about 5h 52m. The time it takes to get you to your destination can typically vary by up to 08m. Idaho Falls and Louisville are separated by a distance of 1417 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
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.
What is the cheapest month to book a flight from Idaho Falls to Louisville?
Currently, January is the cheapest month in which you can book a flight from Idaho Falls to Louisville (average of $299). Flying from Idaho Falls 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

Shepherdsville

Jeffersonville

Elizabethtown

Corydon

Bardstown

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Idaho Falls to Louisville

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$268	Average$400	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$403	Average$523	FlexibilityNo cancel fee	On-time69%

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$324+ 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 12/5. 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

Round-trip from

Find flight deals from Idaho Falls to Louisville

Cheapest flights from Idaho Falls to LouisvilleExplore the most affordable flight options available from Idaho Falls to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

Explore the most affordable flight options available from Idaho Falls to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

Cheapflights Fare Finder

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

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?

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

Traveling to a place near Louisville?

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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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Cheapest flights from Idaho Falls to Louisville
Explore the most affordable flight options available from Idaho Falls to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.