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 6h 19m and 6h 31m, respectively.

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 January 2026, 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.

$166 Cheap Flights from Kentucky to Idaho Falls in 2026

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Find the cheapest flights from Kentucky to Idaho Falls

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:00 am - 1:30 pm

SDF

IDA

6h 30m

1 stop

2:35 pm - 9:59 pm

IDA

SDF

5h 24m

1 stop

$289United Airlines

Wed, Mar 4 - Mon, Mar 9

5:35 am - 1:30 pm

SDF

IDA

9h 55m

2 stops

2:35 pm - 9:59 pm

IDA

SDF

5h 24m

1 stop

$294United Airlines

Wed, Mar 4 - Mon, Mar 9

8:45 am - 1:29 pm

TYS

IDA

6h 44m

1 stop

2:35 pm - 10:22 pm

IDA

TYS

5h 47m

1 stop

$309United Airlines

Wed, May 6 - Wed, May 27

8:00 am - 10:59 pm

CVG

IDA

16h 59m

1 stop

8:00 am - 8:39 pm

IDA

CVG

10h 39m

1 stop

$343Alaska Airlines

Sat, Feb 7 - Sat, Feb 14

8:00 am - 10:59 pm

CVG

IDA

16h 59m

1 stop

5:20 pm - 8:39 pm

IDA

CVG

25h 19m

1 stop

$353Alaska Airlines

Sat, Feb 7 - Fri, Feb 13

7:40 am - 1:48 pm

SDF

IDA

8h 08m

1 stop

2:18 pm - 10:38 pm

IDA

SDF

6h 20m

1 stop

$374American Airlines

Thu, Mar 5 - Mon, Mar 9

7:00 am - 12:26 pm

CVG

IDA

7h 26m

1 stop

5:40 am - 7:04 pm

IDA

CVG

11h 24m

2 stops

$388Delta

Thu, Apr 23 - Tue, Apr 28

6:00 am - 1:48 pm

BNA

IDA

8h 48m

1 stop

2:18 pm - 11:13 pm

IDA

BNA

7h 55m

1 stop

$389American Airlines

Fri, Feb 20 - Wed, Feb 25

7:35 am - 5:49 pm

BNA

IDA

11h 14m

2 stops

1:10 pm - 10:00 pm

IDA

BNA

7h 50m

1 stop

$403Delta

Fri, Feb 20 - Tue, Feb 24

8:03 pm - 3:27 pm

BNA

IDA

20h 24m

1 stop

5:46 pm - 11:46 am

IDA

BNA

17h 00m

2 stops

$415Multiple Airlines

Thu, Apr 9 - Thu, Apr 16

Alaska Airlines flights from Kentucky to Idaho Falls

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

Alaska Airlines

Feb 7

CVG8:00 amCincinnati Cinci./N. Kentucky

16h 59m

1 stop

IDA10:59 pmIdaho Falls Fanning Field

Feb 13

IDA5:20 pmIdaho Falls Fanning Field

25h 19m

1 stop

CVG8:39 pmCincinnati Cinci./N. Kentucky

$353

Alaska Airlines

Feb 6

CVG8:00 amCincinnati Cinci./N. Kentucky

16h 59m

1 stop

IDA10:59 pmIdaho Falls Fanning Field

Feb 14

IDA8:00 amIdaho Falls Fanning Field

10h 39m

1 stop

CVG8:39 pmCincinnati Cinci./N. Kentucky

$363

Alaska Airlines

Feb 6

CVG8:00 amCincinnati Cinci./N. Kentucky

12h 18m

1 stop

IDA6:18 pmIdaho Falls Fanning Field

Feb 13

IDA5:20 pmIdaho Falls Fanning Field

25h 19m

1 stop

CVG8:39 pmCincinnati Cinci./N. Kentucky

$373

Delta flights from Kentucky to Idaho Falls

Our best Delta deals on Kentucky to Idaho Falls flight tickets

Delta

Apr 23

CVG7:00 amCincinnati Cinci./N. Kentucky

7h 26m

1 stop

IDA12:26 pmIdaho Falls Fanning Field

Apr 28

IDA5:40 amIdaho Falls Fanning Field

11h 24m

2 stops

CVG7:04 pmCincinnati Cinci./N. Kentucky

$388

Delta

Feb 20

BNA7:35 amNashville Intl

11h 14m

2 stops

IDA5:49 pmIdaho Falls Fanning Field

Feb 24

IDA1:10 pmIdaho Falls Fanning Field

7h 50m

1 stop

BNA10:00 pmNashville Intl

$403

Delta

Feb 20

BNA7:35 amNashville Intl

11h 14m

2 stops

IDA5:49 pmIdaho Falls Fanning Field

Feb 24

IDA6:35 pmIdaho Falls Fanning Field

12h 42m

2 stops

BNA8:17 amNashville Intl

$409

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

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Wed 5/6

8:45 am-1:29 pm

1 stop6h 44m

Idaho Falls Fanning Field

Wed 5/27

2:35 pm-10:22 pm

1 stop5h 47m

$309

CincinnatiIdaho Falls

CVG - IDA

CVGIDA

Cincinnati Cinci./N. Kentucky

Sat 2/7

8:00 am-10:59 pm

1 stop16h 59m

Idaho Falls Fanning Field

Sat 2/14

8:00 am-8:39 pm

1 stop10h 39m

$343

CincinnatiIdaho Falls

CVG - IDA

CVGIDA

Cincinnati Cinci./N. Kentucky

Sat 2/7

8:00 am-10:59 pm

1 stop16h 59m

Idaho Falls Fanning Field

Fri 2/13

5:20 pm-8:39 pm

1 stop25h 19m

$353

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

CincinnatiIdaho Falls

CVG - IDA

CVGIDA

Cincinnati Cinci./N. Kentucky

Thu 4/23

7:00 am-12:26 pm

1 stop7h 26m

Idaho Falls Fanning Field

Tue 4/28

5:40 am-7:04 pm

2 stops11h 24m

$388

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Fri 2/20

6:00 am-1:48 pm

1 stop8h 48m

Idaho Falls Fanning Field

Wed 2/25

2:18 pm-11:13 pm

1 stop7h 55m

$389

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Fri 2/20

7:35 am-5:49 pm

2 stops11h 14m

Idaho Falls Fanning Field

Tue 2/24

1:10 pm-10:00 pm

1 stop7h 50m

$403

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Thu 4/9

8:03 pm-3:27 pm

1 stop20h 24m

Idaho Falls Fanning Field

Thu 4/16

5:46 pm-11:46 am

2 stops17h 00m

$415

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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

Airlines

Other information

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

Allegiant Air, Delta, and American Airlines are the most popular carriers operating from Kentucky to Idaho Falls Fanning Field

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

Fastest flight time	5h 44m
Direct flights	None

The fastest flight from Kentucky to Idaho Falls takes 5h 44m

There are no direct flights from Kentucky to Idaho Falls. There are no popular flight routes from Kentucky to Idaho Falls.

Search flight deals

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 January 2026, 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
United Airlines	PriceFrom $341	Free Cancellation	Rating 7.4 9,143 reviews		Search United Airlines flights

Rexburg

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.

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.

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Cheap flights from Kentucky to Idaho Falls from $166

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 1/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Kentucky to Idaho Falls

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Alaska Airlines flights from Kentucky to Idaho Falls

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

Delta flights from Kentucky to Idaho Falls

Our best Delta deals on Kentucky to Idaho Falls flight tickets

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Use the filters below to find and compare flights from Kentucky to Idaho Falls that are best for you.

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

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

Allegiant Air, Delta, and American Airlines are the most popular carriers operating from Kentucky to Idaho Falls Fanning Field

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 6h 19m and 6h 31m, 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

Fastest flight time

Direct flights

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