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Cheap flights from Louisville to Idaho Falls from $289

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 3/4. 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
0 bags

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Find the cheapest flights from Louisville to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:00 am - 1:30 pm
SDF
-
IDA
6h 30m
1 stop
United Airlines Logo
2:35 pm - 9:59 pm
IDA
-
SDF
5h 24m
1 stop
$289United Airlines
Wed, Mar 4 - Mon, Mar 9
United Airlines Logo
5:35 am - 1:30 pm
SDF
-
IDA
9h 55m
2 stops
United Airlines Logo
2:35 pm - 9:59 pm
IDA
-
SDF
5h 24m
1 stop
$294United Airlines
Wed, Mar 4 - Mon, Mar 9
American Airlines Logo
7:40 am - 1:48 pm
SDF
-
IDA
8h 08m
1 stop
American Airlines Logo
2:18 pm - 10:38 pm
IDA
-
SDF
6h 20m
1 stop
$374American Airlines
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
9:00 am - 1:30 pm
SDF
-
IDA
6h 30m
1 stop
United Airlines Logo
2:40 pm - 10:24 pm
IDA
-
SDF
5h 44m
1 stop
$419United Airlines
Sat, Jan 24 - Tue, Jan 27
United Airlines Logo
5:35 am - 3:31 pm
SDF
-
IDA
11h 56m
2 stops
United Airlines Logo
2:40 pm - 10:24 pm
IDA
-
SDF
5h 44m
1 stop
$424United Airlines
Sat, Jan 24 - Tue, Jan 27
United Airlines Logo
9:00 am - 1:30 pm
SDF
-
IDA
6h 30m
1 stop
United Airlines Logo
2:40 pm - 10:24 pm
IDA
-
SDF
5h 44m
1 stop
$454United Airlines
Sat, Jan 24 - Tue, Jan 27
United Airlines Logo
5:35 am - 3:31 pm
SDF
-
IDA
11h 56m
2 stops
United Airlines Logo
2:40 pm - 10:24 pm
IDA
-
SDF
5h 44m
1 stop
$459United Airlines
Sat, Jan 24 - Tue, Jan 27
United Airlines Logo
7:05 am - 1:30 pm
SDF
-
IDA
8h 25m
2 stops
United Airlines Logo
2:35 pm - 9:59 pm
IDA
-
SDF
5h 24m
1 stop
$480United Airlines
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
5:35 am - 1:30 pm
SDF
-
IDA
9h 55m
2 stops
United Airlines Logo
6:30 am - 11:23 pm
IDA
-
SDF
14h 53m
2 stops
$506United Airlines
Sat, Jan 24 - Tue, Jan 27
United Airlines Logo
9:00 am - 1:30 pm
SDF
-
IDA
6h 30m
1 stop
United Airlines Logo
2:40 pm - 10:24 pm
IDA
-
SDF
5h 44m
1 stop
$511United Airlines
Mon, Jan 26 - Fri, Jan 30

United Airlines flights from Louisville to Idaho Falls

Our best United Airlines deals on Louisville to Idaho Falls flight tickets
United Airlines
Mar 4
SDF9:00 amLouisville Intl
6h 30m
1 stop
IDA1:30 pmIdaho Falls Fanning Field
Mar 9
IDA2:35 pmIdaho Falls Fanning Field
5h 24m
1 stop
SDF9:59 pmLouisville Intl
$289
United Airlines
Mar 4
SDF5:35 amLouisville Intl
9h 55m
2 stops
IDA1:30 pmIdaho Falls Fanning Field
Mar 9
IDA2:35 pmIdaho Falls Fanning Field
5h 24m
1 stop
SDF9:59 pmLouisville Intl
$294
United Airlines
Jan 24
SDF9:00 amLouisville Intl
8h 31m
1 stop
IDA3:31 pmIdaho Falls Fanning Field
Jan 27
IDA2:40 pmIdaho Falls Fanning Field
5h 44m
1 stop
SDF10:24 pmLouisville Intl
$419

American Airlines flights from Louisville to Idaho Falls

Our best American Airlines deals on Louisville to Idaho Falls flight tickets
American Airlines
Mar 5
SDF7:40 amLouisville Intl
8h 08m
1 stop
IDA1:48 pmIdaho Falls Fanning Field
Mar 9
IDA2:18 pmIdaho Falls Fanning Field
6h 20m
1 stop
SDF10:38 pmLouisville Intl
$374
American Airlines
Apr 23
SDF6:00 amLouisville Intl
9h 13m
1 stop
IDA1:13 pmIdaho Falls Fanning Field
Apr 28
IDA7:30 amIdaho Falls Fanning Field
13h 57m
2 stops
SDF11:27 pmLouisville Intl
$575
American Airlines
Jun 27
SDF7:20 amLouisville Intl
6h 51m
1 stop
IDA12:11 pmIdaho Falls Fanning Field
Jul 5
IDA1:43 pmIdaho Falls Fanning Field
7h 42m
1 stop
SDF11:25 pmLouisville Intl
$885

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 January 12, 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

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Wed 3/4

9:00 am-1:30 pm

1 stop6h 30m

Idaho Falls Fanning Field

Mon 3/9

2:35 pm-9:59 pm

1 stop5h 24m

$289

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Wed 3/4

5:35 am-1:30 pm

2 stops9h 55m

Idaho Falls Fanning Field

Mon 3/9

2:35 pm-9:59 pm

1 stop5h 24m

$294

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Thu 3/5

7:40 am-1:48 pm

1 stop8h 08m

Idaho Falls Fanning Field

Mon 3/9

2:18 pm-10:38 pm

1 stop6h 20m

$374

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Sat 1/24

9:00 am-1:30 pm

1 stop6h 30m

Idaho Falls Fanning Field

Tue 1/27

2:40 pm-10:24 pm

1 stop5h 44m

$419

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Sat 1/24

5:35 am-3:31 pm

2 stops11h 56m

Idaho Falls Fanning Field

Tue 1/27

2:40 pm-10:24 pm

1 stop5h 44m

$424

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Sat 1/24

9:00 am-1:30 pm

1 stop6h 30m

Idaho Falls Fanning Field

Tue 1/27

2:40 pm-10:24 pm

1 stop5h 44m

$454

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Sat 1/24

5:35 am-3:31 pm

2 stops11h 56m

Idaho Falls Fanning Field

Tue 1/27

2:40 pm-10:24 pm

1 stop5h 44m

$459

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Thu 3/5

7:05 am-1:30 pm

2 stops8h 25m

Idaho Falls Fanning Field

Mon 3/9

2:35 pm-9:59 pm

1 stop5h 24m

$480

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Sat 1/24

5:35 am-1:30 pm

2 stops9h 55m

Idaho Falls Fanning Field

Tue 1/27

6:30 am-11:23 pm

2 stops14h 53m

$506

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Mon 1/26

9:00 am-1:30 pm

1 stop6h 30m

Idaho Falls Fanning Field

Fri 1/30

2:40 pm-10:24 pm

1 stop5h 44m

$511

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 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 45% 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

6h 30m

Direct flights

None
The fastest flight from Louisville to Idaho Falls takes 6h 30m
There are no direct flights from Louisville to Idaho Falls. There are no popular flight routes from Louisville to Idaho Falls.
Search flight deals

  • 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. 6h 30m 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
9,149 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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