What airlines fly to Idaho Falls?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Idaho Falls from Louisville according to our data. American Airlines is the first choice among our users, with 44% 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 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?

As of August 2025, there are 2 operators available to choose from 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.

$269 Cheap Flights from Louisville to Idaho Falls (SDF-IDA) in 2025

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Find the cheapest flights from Louisville to Idaho Falls (SDF-IDA)

Round-trip

One-way

Cheap round-trip flights

7:00 am - 12:09 pmSDF-IDA

7h 09m1 stop

12:55 pm - 11:03 pmIDA-SDF

8h 08m1 stop

$269American Airlines

Find Deal

jue., oct. 2 - mar., oct. 7

6:00 am - 12:26 pmSDF-IDA

8h 26m2 stops

6:51 pm - 8:49 amIDA-SDF

11h 58m2 stops

$304Delta

Find Deal

mar., sep. 30 - sáb., oct. 4

2:24 pm - 9:25 pmSDF-IDA

9h 01m1 stop

1:35 pm - 11:40 pmIDA-SDF

8h 05m1 stop

$439American Airlines

Find Deal

mar., sep. 30 - sáb., oct. 4

10:00 am - 10:39 pmSDF-IDA

14h 39m2 stops

6:00 am - 8:21 pmIDA-SDF

12h 21m2 stops

$469Alaska Airlines

Find Deal

jue., oct. 2 - mar., oct. 7

7:00 am - 9:23 pmSDF-IDA

16h 23m2 stops

12:55 pm - 11:03 pmIDA-SDF

8h 08m1 stop

$478American Airlines

Find Deal

jue., oct. 2 - mar., oct. 7

7:00 am - 9:25 pmSDF-IDA

16h 25m2 stops

1:35 pm - 11:40 pmIDA-SDF

8h 05m1 stop

$498American Airlines

Find Deal

mar., sep. 30 - sáb., oct. 4

6:44 am - 1:00 pmSDF-IDA

8h 16m1 stop

1:35 pm - 11:40 pmIDA-SDF

8h 05m1 stop

$500American Airlines

Find Deal

mar., sep. 2 - mar., sep. 16

7:36 pm - 1:30 pmSDF-IDA

19h 54m2 stops

5:00 am - 5:15 pmIDA-SDF

10h 15m2 stops

$523United Airlines

Find Deal

mar., sep. 2 - mar., sep. 16

9:31 am - 3:11 pmSDF-IDA

7h 40m1 stop

5:00 am - 5:15 pmIDA-SDF

10h 15m2 stops

$526United Airlines

Find Deal

mar., sep. 2 - mar., sep. 16

12:15 pm - 10:39 pmSDF-IDA

12h 24m2 stops

6:13 am - 11:03 pmIDA-SDF

14h 50m2 stops

$1,029Alaska Airlines

Find Deal

lun., ago. 18 - sáb., sep. 20

American Airlines flights from Louisville to Idaho Falls

Our best American Airlines deals on Louisville to Idaho Falls flight tickets

American Airlines

Oct 2

SDF7:00 amLouisville Intl

7h 09m

1 stop

IDA12:09 pmIdaho Falls Fanning Field

Oct 7

IDA12:55 pmIdaho Falls Fanning Field

8h 08m

1 stop

SDF11:03 pmLouisville Intl

$269

Find similar

American Airlines

Sep 30

SDF2:24 pmLouisville Intl

9h 01m

1 stop

IDA9:25 pmIdaho Falls Fanning Field

Oct 4

IDA1:35 pmIdaho Falls Fanning Field

8h 05m

1 stop

SDF11:40 pmLouisville Intl

$439

Find similar

American Airlines

Oct 2

SDF7:00 amLouisville Intl

16h 23m

2 stops

IDA9:23 pmIdaho Falls Fanning Field

Oct 7

IDA12:55 pmIdaho Falls Fanning Field

8h 08m

1 stop

SDF11:03 pmLouisville Intl

$478

Find similar

Delta flights from Louisville to Idaho Falls

Our best Delta deals on Louisville to Idaho Falls flight tickets

Delta

Sep 30

SDF6:00 amLouisville Intl

8h 26m

2 stops

IDA12:26 pmIdaho Falls Fanning Field

Oct 4

IDA6:51 pmIdaho Falls Fanning Field

11h 58m

2 stops

SDF8:49 amLouisville Intl

$304

Find similar

Delta

Aug 10

SDF6:00 amLouisville Intl

10h 24m

2 stops

IDA2:24 pmIdaho Falls Fanning Field

Aug 18

IDA6:52 pmIdaho Falls Fanning Field

13h 08m

2 stops

SDF10:00 amLouisville Intl

$1,103

Find similar

Delta

Aug 28

SDF10:24 amLouisville Intl

9h 47m

2 stops

IDA6:11 pmIdaho Falls Fanning Field

Sep 2

IDA11:20 amIdaho Falls Fanning Field

9h 22m

2 stops

SDF10:42 pmLouisville Intl

$1,123

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

jue. 10/2

7:00 am-12:09 pm

1 stop7h 09m

Idaho Falls Fanning Field

mar. 10/7

12:55 pm-11:03 pm

1 stop8h 08m

$269

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

mar. 9/30

6:00 am-12:26 pm

2 stops8h 26m

Idaho Falls Fanning Field

sáb. 10/4

6:51 pm-8:49 am

2 stops11h 58m

$304

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

mar. 9/30

2:24 pm-9:25 pm

1 stop9h 01m

Idaho Falls Fanning Field

sáb. 10/4

1:35 pm-11:40 pm

1 stop8h 05m

$439

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

jue. 10/2

10:00 am-10:39 pm

2 stops14h 39m

Idaho Falls Fanning Field

mar. 10/7

6:00 am-8:21 pm

2 stops12h 21m

$469

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

jue. 10/2

7:00 am-9:23 pm

2 stops16h 23m

Idaho Falls Fanning Field

mar. 10/7

12:55 pm-11:03 pm

1 stop8h 08m

$478

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

mar. 9/30

7:00 am-9:25 pm

2 stops16h 25m

Idaho Falls Fanning Field

sáb. 10/4

1:35 pm-11:40 pm

1 stop8h 05m

$498

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

mar. 9/2

6:44 am-1:00 pm

1 stop8h 16m

Idaho Falls Fanning Field

mar. 9/16

1:35 pm-11:40 pm

1 stop8h 05m

$500

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

mar. 9/2

7:36 pm-1:30 pm

2 stops19h 54m

Idaho Falls Fanning Field

mar. 9/16

5:00 am-5:15 pm

2 stops10h 15m

$523

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

mar. 9/2

9:31 am-3:11 pm

1 stop7h 40m

Idaho Falls Fanning Field

mar. 9/16

5:00 am-5:15 pm

2 stops10h 15m

$526

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

lun. 8/18

12:15 pm-10:39 pm

2 stops12h 24m

Idaho Falls Fanning Field

sáb. 9/20

6:13 am-11:03 pm

2 stops14h 50m

$1,029

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Prices

Airlines

What is the cheapest day to depart on your flight to Idaho Falls?

Our data shows that Thursday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $511. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Sunday is $799.

What is the cheapest time of day to depart on your flight to Idaho Falls?

Our most recent data shows that the best time of day to fly to Idaho Falls is in the morning. Flights from Louisville to Idaho Falls during this time can be as low as $632. Try not to purchase tickets in the afternoon because they tend to be around $723. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Best Price Found	$269
Fastest flight time	7h 09m
Direct flights	None
Airports in Idaho Falls	1 airport

The best flight deal from Louisville to Idaho Falls found on momondo in the last 72 hours is $269

The fastest flight from Louisville to Idaho Falls takes 7h 09m

There are no direct flights from Louisville to Idaho Falls. Popular non-direct route for this connection is Louisville Intl Airport - Idaho Falls Fanning Field Airport.

There is 1 airport near Idaho Falls: Idaho Falls Fanning Field (IDA)

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. 7h 09m 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?
As of August 2025, there are 2 operators available to choose from 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?
Based on momondo bookings for flights between Louisville and Idaho Falls, the leading airline is United Airlines, making up 58% of the total bookings. Other popular airlines include American Airlines with 42%.

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
American Airlines	PriceFrom $323	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights
United Airlines	PriceFrom $324	Free Cancellation	Rating 7.4 8,912 reviews		Search United Airlines flights

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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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Cheap flights from Louisville to Idaho Falls from $269

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 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

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Find the cheapest flights from Louisville to Idaho Falls (SDF-IDA)

Cheap round-trip flights

Cheap one-way flights

American Airlines flights from Louisville to Idaho Falls

Our best American Airlines deals on Louisville to Idaho Falls flight tickets

Delta flights from Louisville to Idaho Falls

Our best Delta deals on Louisville to Idaho Falls flight tickets

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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 day to depart on your flight to Idaho Falls?

What is the cheapest time of day to depart on your flight to Idaho Falls?

What airlines fly to Idaho Falls?

When to book flights from Louisville to Idaho Falls

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

Best Price Found

Fastest flight time

Direct flights

Airports in Idaho Falls

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

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

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?

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

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

Traveling to a place near Idaho Falls?

Why use momondo?

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

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

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

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

An easier way to manage your Idaho Falls trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Idaho