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Cheap flights from Louisville to Idaho Falls from $364

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Idaho Falls departing on 8/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:03 am - 11:30 am
SDF
-
IDA
6h 27m
1 stop
American Airlines Logo
2:20 pm - 10:17 pm
IDA
-
SDF
5h 57m
1 stop
$364American Airlines
Mon, Aug 24 - Mon, Aug 31
United Airlines Logo
8:00 am - 1:25 pm
SDF
-
IDA
7h 25m
1 stop
United Airlines Logo
2:25 pm - 10:31 pm
IDA
-
SDF
6h 06m
1 stop
$373United Airlines
Wed, Aug 5 - Wed, Aug 26
Delta Logo
4:30 pm - 10:32 pm
SDF
-
IDA
8h 02m
2 stops
Delta Logo
11:35 am - 12:24 am
IDA
-
SDF
10h 49m
2 stops
$379Delta
Thu, Aug 27 - Wed, Sep 2
United Airlines Logo
8:00 am - 1:31 pm
SDF
-
IDA
7h 31m
1 stop
United Airlines Logo
2:32 pm - 10:23 pm
IDA
-
SDF
5h 51m
1 stop
$419United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
5:25 am - 1:31 pm
SDF
-
IDA
10h 06m
2 stops
United Airlines Logo
2:32 pm - 10:23 pm
IDA
-
SDF
5h 51m
1 stop
$424United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
7:10 am - 1:31 pm
SDF
-
IDA
8h 21m
2 stops
United Airlines Logo
10:35 am - 10:30 pm
IDA
-
SDF
9h 55m
2 stops
$429United Airlines
Tue, Nov 3 - Sat, Nov 7
American Airlines Logo
7:03 am - 11:30 am
SDF
-
IDA
6h 27m
1 stop
American Airlines Logo
1:43 pm - 9:25 pm
IDA
-
SDF
5h 42m
1 stop
$434American Airlines
Mon, Aug 24 - Mon, Aug 31
United Airlines Logo
5:15 am - 1:29 pm
SDF
-
IDA
10h 14m
2 stops
United Airlines Logo
2:25 pm - 10:31 pm
IDA
-
SDF
6h 06m
1 stop
$451United Airlines
Mon, Aug 24 - Mon, Aug 31
United Airlines Logo
8:00 am - 1:25 pm
SDF
-
IDA
7h 25m
1 stop
United Airlines Logo
10:35 am - 11:59 pm
IDA
-
SDF
11h 24m
2 stops
$460United Airlines
Wed, Aug 5 - Wed, Aug 26
United Airlines Logo
8:00 am - 1:29 pm
SDF
-
IDA
7h 29m
1 stop
United Airlines Logo
2:25 pm - 10:31 pm
IDA
-
SDF
6h 06m
1 stop
$478United Airlines
Wed, Aug 19 - Tue, Aug 25

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American Airlines flights from Louisville to Idaho Falls

Our best American Airlines deals on Louisville to Idaho Falls flight tickets
American Airlines
Aug 24
SDF7:03 amLouisville Intl
6h 27m
1 stop
IDA11:30 amIdaho Falls Fanning Field
Aug 31
IDA2:20 pmIdaho Falls Fanning Field
5h 57m
1 stop
SDF10:17 pmLouisville Intl
$364
American Airlines
Aug 24
SDF7:03 amLouisville Intl
6h 27m
1 stop
IDA11:30 amIdaho Falls Fanning Field
Aug 31
IDA1:43 pmIdaho Falls Fanning Field
5h 42m
1 stop
SDF9:25 pmLouisville Intl
$434
American Airlines
Aug 17
SDF7:03 amLouisville Intl
6h 27m
1 stop
IDA11:30 amIdaho Falls Fanning Field
Aug 22
IDA1:43 pmIdaho Falls Fanning Field
5h 42m
1 stop
SDF9:25 pmLouisville Intl
$515

United Airlines flights from Louisville to Idaho Falls

Our best United Airlines deals on Louisville to Idaho Falls flight tickets
United Airlines
Aug 5
SDF8:00 amLouisville Intl
7h 25m
1 stop
IDA1:25 pmIdaho Falls Fanning Field
Aug 26
IDA2:25 pmIdaho Falls Fanning Field
6h 06m
1 stop
SDF10:31 pmLouisville Intl
$373
United Airlines
Nov 3
SDF8:00 amLouisville Intl
7h 31m
1 stop
IDA1:31 pmIdaho Falls Fanning Field
Nov 7
IDA2:32 pmIdaho Falls Fanning Field
5h 51m
1 stop
SDF10:23 pmLouisville Intl
$419
United Airlines
Nov 3
SDF5:25 amLouisville Intl
10h 06m
2 stops
IDA1:31 pmIdaho Falls Fanning Field
Nov 7
IDA2:32 pmIdaho Falls Fanning Field
5h 51m
1 stop
SDF10:23 pmLouisville Intl
$424

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to Idaho Falls 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, momondo users made 832,500 searches. Data last updated July 7, 2026.
Use the filters below to find and compare flights from Louisville to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Mon 8/24

7:03 am-11:30 am

1 stop6h 27m

Idaho Falls Fanning Field

Mon 8/31

2:20 pm-10:17 pm

1 stop5h 57m

$364

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Wed 8/5

8:00 am-1:25 pm

1 stop7h 25m

Idaho Falls Fanning Field

Wed 8/26

2:25 pm-10:31 pm

1 stop6h 06m

$373

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Thu 8/27

4:30 pm-10:32 pm

2 stops8h 02m

Idaho Falls Fanning Field

Wed 9/2

11:35 am-12:24 am

2 stops10h 49m

$379

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Tue 11/3

8:00 am-1:31 pm

1 stop7h 31m

Idaho Falls Fanning Field

Sat 11/7

2:32 pm-10:23 pm

1 stop5h 51m

$419

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Tue 11/3

5:25 am-1:31 pm

2 stops10h 06m

Idaho Falls Fanning Field

Sat 11/7

2:32 pm-10:23 pm

1 stop5h 51m

$424

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Tue 11/3

7:10 am-1:31 pm

2 stops8h 21m

Idaho Falls Fanning Field

Sat 11/7

10:35 am-10:30 pm

2 stops9h 55m

$429
Quickest round-trip

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Mon 8/24

7:03 am-11:30 am

1 stop6h 27m

Idaho Falls Fanning Field

Mon 8/31

1:43 pm-9:25 pm

1 stop5h 42m

$434

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Mon 8/24

5:15 am-1:29 pm

2 stops10h 14m

Idaho Falls Fanning Field

Mon 8/31

2:25 pm-10:31 pm

1 stop6h 06m

$451

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Wed 8/5

8:00 am-1:25 pm

1 stop7h 25m

Idaho Falls Fanning Field

Wed 8/26

10:35 am-11:59 pm

2 stops11h 24m

$460

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Wed 8/19

8:00 am-1:29 pm

1 stop7h 29m

Idaho Falls Fanning Field

Tue 8/25

2:25 pm-10:31 pm

1 stop6h 06m

$478

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Idaho Falls from

How to get the cheapest flight ticket from Louisville to Idaho Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Louisville Intl to Idaho Falls Fanning Field?

American Airlines and Delta are the most popular carriers operating from Louisville Intl to Idaho Falls Fanning Field

What airlines fly to Idaho Falls?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Idaho Falls from Louisville according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Idaho Falls. Keep in mind that there are 3 different airlines that fly to Idaho Falls on a routine basis, so you have a few additional options to choose from.

When to book flights from Louisville to Idaho Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Idaho Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Louisville to Idaho Falls (SDF to IDA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Idaho Falls

Fastest flight time

7h 29m

Direct flights

None
The fastest flight from Louisville to Idaho Falls takes 7h 29m
There are no direct flights from Louisville to Idaho Falls. There are no popular flight routes from Louisville to Idaho Falls.
Search flight deals

Frequently asked questions about flying from Louisville to Idaho Falls

  • How far is Louisville Intl to Idaho Falls Fanning Field by plane?

    The distance between Louisville Intl and Idaho Falls Fanning Field is about 1412.3 mi. 7h 29m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Louisville Intl Airport to Idaho Falls Fanning Field Airport?

    Prices for flights from Louisville Intl Airport to Idaho Falls Fanning Field Airport refresh daily.

  • How many operators does momondo search for flights from Louisville Intl Airport to Idaho Falls Fanning Field Airport?

  • How old do you have to be to fly from Louisville Intl Airport to Idaho Falls Fanning Field Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The necessary travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Louisville to Idaho Falls?

Best airlines flying from Louisville to Idaho Falls

Compare and see reviews for airlines that fly from Louisville to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $341Free CancellationRating
7.4
9,938 reviews
Search United Airlines flights

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Idaho Falls?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Louisville to Idaho Falls. momondo saves you time and could save you money on your trip.

Can I find flights from Louisville to Idaho Falls with flexible booking policies on momondo?

momondo does allow users to show only those flights to Idaho Falls from Louisville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Louisville to Idaho Falls?

momondo helps you find the best flight between Louisville and Idaho Falls by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Louisville to Idaho Falls right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Louisville to Idaho Falls flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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