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$193+ Cheap flights from Idaho Falls to Louisville (IDA - 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SDF
jul. 6 — jul. 131
dom. 7/6
dom. 7/13
1 adult, Economy
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Cheap flight deals from Idaho Falls to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated julio 1, 2025.

Round-trip from

$395
(American Airlines)

One-way from

$193
(American Airlines)
From Idaho Falls Fanning Field to Louisville Intl
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One-way flight from Idaho Falls Fanning Field to Louisville Intl
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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 julio 1, 2025.

This American Airlines deal was found by Cheapflights users on 6/30. 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. 10/91:11 pmIDA - SDF
1 stop7h 52mAmerican Airlines
lun. 10/206:45 amSDF - IDA
1 stop7h 40mAmerican Airlines
Deal found 6/30$395
This United Airlines deal was found by Cheapflights users on 6/30. 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. 12/52:35 pmIDA - SDF
1 stop5h 22mUnited Airlines
mar. 12/169:00 amSDF - IDA
2 stops8h 27mUnited Airlines
Deal found 6/30$450
This Delta deal was found by Cheapflights users on 6/30. 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. 12/56:05 amIDA - SDF
2 stops10h 39mDelta
mar. 12/162:15 pmSDF - IDA
2 stops10h 05mDelta
Deal found 6/30$489
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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.
jue. 9/116:13 amIDA - SDF
2 stops12h 37mAlaska Airlines
lun. 9/1510:00 amSDF - IDA
2 stops14h 39mAlaska Airlines
Deal found 6/30$623

Cheapflights Fare Finder

Customize your flight search to find flights from Idaho Falls 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 julio 1, 2025.
Use the filters below to find and compare flights from Idaho Falls to Louisville that are best for you.

Fly from

Idaho Falls

Fly to

Louisville

Route

Depart

Return

Price

Idaho FallsLouisville

IDA - SDF

IDASDF

Idaho Falls Fanning Field

jue. 10/9

1:11 pm-11:03 pm

1 stop7h 52m

Louisville Intl

lun. 10/20

6:45 am-12:25 pm

1 stop7h 40m

$395

Idaho FallsLouisville

IDA - SDF

IDASDF

Idaho Falls Fanning Field

vie. 12/5

2:35 pm-9:57 pm

1 stop5h 22m

Louisville Intl

mar. 12/16

9:00 am-3:27 pm

2 stops8h 27m

$450

Idaho FallsLouisville

IDA - SDF

IDASDF

Idaho Falls Fanning Field

vie. 12/5

6:05 am-6:44 pm

2 stops10h 39m

Louisville Intl

mar. 12/16

2:15 pm-10:20 pm

2 stops10h 05m

$489

Idaho FallsLouisville

IDA - SDF

IDASDF

Idaho Falls Fanning Field

jue. 9/11

6:13 am-8:50 pm

2 stops12h 37m

Louisville Intl

lun. 9/15

10:00 am-10:39 pm

2 stops14h 39m

$623

Idaho FallsLouisville

IDA - SDF

IDASDF

Idaho Falls Fanning Field

jue. 8/21

1:17 pm-11:56 pm

1 stop8h 39m

$193

Idaho FallsLouisville

IDA - SDF

IDASDF

Idaho Falls Fanning Field

jue. 8/21

6:00 am-5:08 pm

2 stops9h 08m

$211

Idaho FallsLouisville

IDA - SDF

IDASDF

Idaho Falls Fanning Field

jue. 8/21

5:00 am-5:15 pm

2 stops10h 15m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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

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 julio 1, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and United 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,974 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    American Airlines, at $395, was found to be the cheapest airline from Idaho Falls to Louisville.Alternate airlines to your destination round-trip include United Airlines and Delta.

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

    One-way options have recently been found by users for as low as $193 on American Airlines. Other airlines that offer cheap prices include Delta from $211 and United Airlines from $281 one-way.

  • 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

Traveling to a place near Idaho Falls?

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

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Top 2 airlines flying from Idaho Falls to Louisville

Discover the top 2 airlines that operate flights from Idaho Falls 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 julio 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$348Average$400FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$422Average$578FlexibilityNo cancel feeOn-time69%

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