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Cheap flights from Kentucky to Idaho Falls from $186

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 4/6. 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 Kentucky to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
8:05 am - 12:27 pm
CVG
-
IDA
6h 22m
1 stop
Delta Logo
6:55 pm - 8:56 am
IDA
-
CVG
12h 01m
2 stops
$294Delta
Tue, Mar 24 - Tue, Mar 31
United Airlines Logo
3:25 pm - 9:06 pm
CVG
-
IDA
7h 41m
1 stop
United Airlines Logo
2:30 pm - 10:30 pm
IDA
-
CVG
6h 00m
1 stop
$314United Airlines
Tue, Mar 24 - Tue, Mar 31
United Airlines Logo
6:26 am - 3:40 pm
CVG
-
IDA
11h 14m
2 stops
United Airlines Logo
2:30 pm - 10:30 pm
IDA
-
CVG
6h 00m
1 stop
$367United Airlines
Tue, Mar 24 - Tue, Mar 31
Alaska Airlines Logo
7:11 am - 3:26 pm
BNA
-
IDA
9h 15m
1 stop
Alaska Airlines Logo
4:14 pm - 5:00 pm
IDA
-
BNA
23h 46m
1 stop
$389Alaska Airlines
Sat, Jun 6 - Sat, Jun 13
United Airlines Logo
9:03 am - 1:25 pm
LEX
-
IDA
6h 22m
1 stop
United Airlines Logo
2:30 pm - 10:33 pm
IDA
-
LEX
6h 03m
1 stop
$394United Airlines
Tue, Jul 28 - Tue, Aug 25
United Airlines Logo
3:29 pm - 9:07 pm
CVG
-
IDA
7h 38m
1 stop
United Airlines Logo
2:30 pm - 10:28 pm
IDA
-
CVG
5h 58m
1 stop
$399United Airlines
Tue, Jun 9 - Mon, Jun 15
Alaska Airlines Logo
7:05 am - 3:29 pm
BNA
-
IDA
9h 24m
1 stop
Alaska Airlines Logo
6:00 am - 5:05 pm
IDA
-
BNA
10h 05m
2 stops
$421Alaska Airlines
Tue, Apr 28 - Sat, May 2
Multiple Airlines Logo
8:41 pm - 3:27 pm
BNA
-
IDA
19h 46m
1 stop
Multiple Airlines Logo
10:21 pm - 11:49 am
IDA
-
BNA
36h 28m
2 stops
$428Multiple Airlines
Sun, Apr 12 - Fri, Apr 24
American Airlines Logo
5:33 pm - 10:11 pm
TYS
-
IDA
6h 38m
1 stop
American Airlines Logo
1:53 pm - 11:53 pm
IDA
-
TYS
8h 00m
1 stop
$519American Airlines
Wed, May 27 - Tue, Jun 2
American Airlines Logo
5:33 pm - 10:11 pm
TYS
-
IDA
6h 38m
1 stop
American Airlines Logo
12:41 pm - 9:56 pm
IDA
-
TYS
7h 15m
1 stop
$524American Airlines
Wed, Jun 24 - Wed, Jul 8

Delta flights from Kentucky to Idaho Falls

Our best Delta deals on Kentucky to Idaho Falls flight tickets
Delta
Mar 24
CVG8:05 amCincinnati Cinci./N. Kentucky
6h 22m
1 stop
IDA12:27 pmIdaho Falls Fanning Field
Mar 31
IDA6:55 pmIdaho Falls Fanning Field
12h 01m
2 stops
CVG8:56 amCincinnati Cinci./N. Kentucky
$294
Delta
Jun 28
CVG2:30 pmCincinnati Cinci./N. Kentucky
9h 44m
1 stop
IDA10:14 pmIdaho Falls Fanning Field
Jul 4
IDA6:10 amIdaho Falls Fanning Field
6h 59m
1 stop
CVG3:09 pmCincinnati Cinci./N. Kentucky
$513
Delta
Jul 9
BNA1:45 pmNashville Intl
5h 29m
1 stop
IDA6:14 pmIdaho Falls Fanning Field
Jul 13
IDA11:20 amIdaho Falls Fanning Field
6h 08m
1 stop
BNA6:28 pmNashville Intl
$549

United Airlines flights from Kentucky to Idaho Falls

Our best United Airlines deals on Kentucky to Idaho Falls flight tickets
United Airlines
Mar 24
CVG3:25 pmCincinnati Cinci./N. Kentucky
7h 41m
1 stop
IDA9:06 pmIdaho Falls Fanning Field
Mar 31
IDA2:30 pmIdaho Falls Fanning Field
6h 00m
1 stop
CVG10:30 pmCincinnati Cinci./N. Kentucky
$314
United Airlines
Mar 24
CVG6:26 amCincinnati Cinci./N. Kentucky
11h 14m
2 stops
IDA3:40 pmIdaho Falls Fanning Field
Mar 31
IDA2:30 pmIdaho Falls Fanning Field
6h 00m
1 stop
CVG10:30 pmCincinnati Cinci./N. Kentucky
$367
United Airlines
Jul 28
LEX9:03 amLexington Blue Grass
6h 22m
1 stop
IDA1:25 pmIdaho Falls Fanning Field
Aug 25
IDA2:30 pmIdaho Falls Fanning Field
6h 03m
1 stop
LEX10:33 pmLexington Blue Grass
$394

momondo Fare Finder

 
Customize your flight search to find flights from Kentucky 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 March 2, 2026.
Use the filters below to find and compare flights from Kentucky to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CincinnatiIdaho Falls

CVG - IDA

CVGIDA

Cincinnati Cinci./N. Kentucky

Tue 3/24

8:05 am-12:27 pm

1 stop6h 22m

Idaho Falls Fanning Field

Tue 3/31

6:55 pm-8:56 am

2 stops12h 01m

$294

CincinnatiIdaho Falls

CVG - IDA

CVGIDA

Cincinnati Cinci./N. Kentucky

Tue 3/24

3:25 pm-9:06 pm

1 stop7h 41m

Idaho Falls Fanning Field

Tue 3/31

2:30 pm-10:30 pm

1 stop6h 00m

$314

CincinnatiIdaho Falls

CVG - IDA

CVGIDA

Cincinnati Cinci./N. Kentucky

Tue 3/24

6:26 am-3:40 pm

2 stops11h 14m

Idaho Falls Fanning Field

Tue 3/31

2:30 pm-10:30 pm

1 stop6h 00m

$367

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Sat 6/6

7:11 am-3:26 pm

1 stop9h 15m

Idaho Falls Fanning Field

Sat 6/13

4:14 pm-5:00 pm

1 stop23h 46m

$389

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Tue 7/28

9:03 am-1:25 pm

1 stop6h 22m

Idaho Falls Fanning Field

Tue 8/25

2:30 pm-10:33 pm

1 stop6h 03m

$394

CincinnatiIdaho Falls

CVG - IDA

CVGIDA

Cincinnati Cinci./N. Kentucky

Tue 6/9

3:29 pm-9:07 pm

1 stop7h 38m

Idaho Falls Fanning Field

Mon 6/15

2:30 pm-10:28 pm

1 stop5h 58m

$399

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Tue 4/28

7:05 am-3:29 pm

1 stop9h 24m

Idaho Falls Fanning Field

Sat 5/2

6:00 am-5:05 pm

2 stops10h 05m

$421

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Sun 4/12

8:41 pm-3:27 pm

1 stop19h 46m

Idaho Falls Fanning Field

Fri 4/24

10:21 pm-11:49 am

2 stops36h 28m

$428

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Wed 5/27

5:33 pm-10:11 pm

1 stop6h 38m

Idaho Falls Fanning Field

Tue 6/2

1:53 pm-11:53 pm

1 stop8h 00m

$519

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Wed 6/24

5:33 pm-10:11 pm

1 stop6h 38m

Idaho Falls Fanning Field

Wed 7/8

12:41 pm-9:56 pm

1 stop7h 15m

$524

Flights are sorted by cheapest round-trip flights first.

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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 airline that flies from Kentucky to Idaho Falls Fanning Field?

American Airlines, Alaska Airlines, and United 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 29m

Direct flights

None
The fastest flight from Kentucky to Idaho Falls takes 5h 29m
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?

  • 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 AirlinesPriceFrom $323Free CancellationRating
7.1
11,369 reviews
Search American Airlines flights
United AirlinesPriceFrom $341Free CancellationRating
7.4
9,375 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 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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