How long does it take to fly to Idaho Falls?

If you’re flying from a popular airport in Kentucky, such as Louisville or Lexington, and flying into Idaho Falls, then you can expect flight times to average 5h 13m and 6h 13m, respectively.

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 Kentucky according to our data. American Airlines is the first choice among our users, with 51% 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.

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

Hawaiian Airlines, American Airlines, and United Airlines are the most popular carriers operating from Kentucky to Idaho Falls Fanning Field

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

Prices for flights from Kentucky to Idaho Falls Fanning Field Airport were last updated today.

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

As of July 2025, there are 3 operators available to choose from for flights from Kentucky to Idaho Falls Fanning Field Airport.

How old do you have to be to fly from Kentucky to Idaho Falls Fanning Field Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kentucky to Idaho Falls Fanning Field Airport.

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

The travel and health documents required for your trip to Idaho Falls Fanning Field Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho Falls Fanning Field Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$154 Cheap Flights from Kentucky to Idaho Falls in 2025

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Find the cheapest flights from Kentucky to Idaho Falls

Round-trip

One-way

Last minute

Cheap round-trip flights

5:03 pm - 11:46 amBNA-IDA

19h 43m2 stops

10:55 pm - 2:31 pmIDA-BNA

14h 36m1 stop

$276

Find Deal

dom., ago. 31 - vie., sep. 5

8:17 am - 11:46 amBNA-IDA

28h 29m3 stops

10:55 pm - 2:31 pmIDA-BNA

14h 36m1 stop

$300

Find Deal

dom., ago. 31 - vie., sep. 5

6:30 am - 12:26 pmCVG-IDA

7h 56m1 stop

6:51 pm - 8:57 amIDA-CVG

12h 06m2 stops

$304Delta

Find Deal

mié., sep. 24 - mar., sep. 30

4:25 pm - 10:27 pmSDF-IDA

8h 02m2 stops

6:52 pm - 10:00 amIDA-SDF

13h 08m2 stops

$334Delta

Find Deal

sáb., ago. 30 - sáb., sep. 6

3:30 pm - 8:54 pmSDF-IDA

7h 24m1 stop

5:00 am - 2:28 pmIDA-SDF

7h 28m1 stop

$349United Airlines

Find Deal

sáb., ago. 30 - sáb., sep. 6

6:47 pm - 3:20 pmBNA-IDA

21h 33m1 stop

3:57 pm - 12:08 amIDA-BNA

7h 11m1 stop

$350Alaska Airlines

Find Deal

mié., sep. 17 - mié., sep. 24

7:00 am - 12:25 pmBNA-IDA

6h 25m1 stop

12:55 pm - 9:59 pmIDA-BNA

8h 04m1 stop

$351American Airlines

Find Deal

mar., oct. 21 - vie., oct. 31

1:00 pm - 8:54 pmSDF-IDA

9h 54m2 stops

5:00 am - 2:28 pmIDA-SDF

7h 28m1 stop

$354United Airlines

Find Deal

sáb., ago. 30 - sáb., sep. 6

12:04 pm - 9:48 pmBNA-IDA

10h 44m2 stops

12:55 pm - 11:55 pmIDA-BNA

10h 00m2 stops

$361American Airlines

Find Deal

mar., oct. 21 - jue., oct. 30

7:15 am - 3:19 pmBNA-IDA

9h 04m1 stop

3:56 pm - 11:59 pmIDA-BNA

7h 03m1 stop

$368Alaska Airlines

Find Deal

mar., oct. 28 - sáb., nov. 1

Alaska Airlines flights from Kentucky to Idaho Falls

Our best Alaska Airlines deals on Kentucky to Idaho Falls flight tickets

Alaska Airlines

Sep 17

BNA6:47 pmNashville Intl

21h 33m

1 stop

IDA3:20 pmIdaho Falls Fanning Field

Sep 24

IDA3:57 pmIdaho Falls Fanning Field

7h 11m

1 stop

BNA12:08 amNashville Intl

$350

Find similar

Alaska Airlines

Oct 28

BNA7:15 amNashville Intl

9h 04m

1 stop

IDA3:19 pmIdaho Falls Fanning Field

Nov 1

IDA3:56 pmIdaho Falls Fanning Field

7h 03m

1 stop

BNA11:59 pmNashville Intl

$368

Find similar

Alaska Airlines

Sep 24

CVG12:56 pmCincinnati Cinci./N. Kentucky

11h 43m

2 stops

IDA10:39 pmIdaho Falls Fanning Field

Sep 30

IDA6:13 amIdaho Falls Fanning Field

11h 01m

2 stops

CVG7:14 pmCincinnati Cinci./N. Kentucky

$409

Find similar

United Airlines flights from Kentucky to Idaho Falls

Our best United Airlines deals on Kentucky to Idaho Falls flight tickets

United Airlines

Aug 30

SDF3:30 pmLouisville Intl

7h 24m

1 stop

IDA8:54 pmIdaho Falls Fanning Field

Sep 6

IDA5:00 amIdaho Falls Fanning Field

7h 28m

1 stop

SDF2:28 pmLouisville Intl

$349

Find similar

United Airlines

Aug 30

SDF1:00 pmLouisville Intl

9h 54m

2 stops

IDA8:54 pmIdaho Falls Fanning Field

Sep 6

IDA5:00 amIdaho Falls Fanning Field

7h 28m

1 stop

SDF2:28 pmLouisville Intl

$354

Find similar

United Airlines

Aug 30

SDF3:30 pmLouisville Intl

7h 24m

1 stop

IDA8:54 pmIdaho Falls Fanning Field

Sep 3

IDA2:35 pmIdaho Falls Fanning Field

5h 55m

1 stop

SDF10:30 pmLouisville Intl

$374

Find similar

How to get the cheapest flight ticket from Kentucky 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

Other information

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 Kentucky 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.

Cheap Kentucky to Idaho Falls flight deals and tips

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

Best Price Found	$154
Fastest flight time	5h 06m
Direct flights	None
Airports in Idaho Falls	1 airport

The best one-way flight to Idaho Falls from Kentucky in the past 72 hours is $154. The best round-trip flight deal from Kentucky to Idaho Falls found on momondo in the last 72 hours is $276.

The fastest flight from Kentucky to Idaho Falls takes 5h 06m

There are no direct flights from Kentucky to Idaho Falls. Popular non-direct routes for this connection are Louisville Intl Airport - Idaho Falls Fanning Field Airport, Nashville Intl Airport - Idaho Falls Fanning Field Airport and Knoxville McGhee Tyson Airport - Idaho Falls Fanning Field Airport.

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

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When did momondo last update prices for flights from Kentucky to Idaho Falls Fanning Field Airport?
Prices for flights from Kentucky to Idaho Falls Fanning Field Airport were last updated today.
How many operators does momondo search for flights from Kentucky to Idaho Falls Fanning Field Airport?
As of July 2025, there are 3 operators available to choose from for flights from Kentucky to Idaho Falls Fanning Field Airport.
How old do you have to be to fly from Kentucky to Idaho Falls Fanning Field Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kentucky to Idaho Falls Fanning Field Airport.
What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?
The travel and health documents required for your trip to Idaho Falls Fanning Field Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho Falls Fanning Field Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Kentucky to Idaho Falls

Compare and see reviews for airlines that fly from Kentucky to Idaho Falls with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $278	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights
United Airlines	PriceFrom $324	Free Cancellation	Rating 7.4 8,846 reviews		Search United Airlines flights

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Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Kentucky to Idaho Falls. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Kentucky to Idaho Falls with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Kentucky 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 Kentucky to Idaho Falls right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Idaho Falls from Kentucky. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Kentucky to Idaho Falls from $154

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kentucky to Idaho Falls departing on 8/17. 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 Kentucky to Idaho Falls

Cheap round-trip flights

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Cheap last minute flights

Alaska Airlines flights from Kentucky to Idaho Falls

Our best Alaska Airlines deals on Kentucky to Idaho Falls flight tickets

United Airlines flights from Kentucky to Idaho Falls

Our best United Airlines deals on Kentucky to Idaho Falls flight tickets

See travel insights to Idaho Falls from

How to get the cheapest flight ticket from Kentucky 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 is the cheapest airline that flies from Kentucky to Idaho Falls Fanning Field?

Hawaiian Airlines, American Airlines, and United Airlines are the most popular carriers operating from Kentucky to Idaho Falls Fanning Field

What airlines fly to Idaho Falls?

How long does it take to fly to Idaho Falls?

If you’re flying from a popular airport in Kentucky, such as Louisville or Lexington, and flying into Idaho Falls, then you can expect flight times to average 5h 13m and 6h 13m, respectively.

Cheap Kentucky to Idaho Falls flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Idaho Falls

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

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

How old do you have to be to fly from Kentucky to Idaho Falls Fanning Field Airport?

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

Best airlines flying from Kentucky to Idaho Falls

Compare and see reviews for airlines that fly from Kentucky 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 Kentucky to Idaho Falls?

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

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

I’m not ready to book a flight from Kentucky 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