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Cheap flights from Kentucky to Idaho Falls from $167

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 8/9. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kentucky to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:31 am - 5:16 pm
BNA
-
IDA
7h 45m
1 stop
United Airlines Logo
2:30 pm - 9:09 pm
IDA
-
BNA
5h 39m
1 stop
$360United Airlines
vie., ago. 21 - mar., ago. 25
Alaska Airlines Logo
5:11 pm - 1:08 pm
BNA
-
IDA
20h 57m
1 stop
Alaska Airlines Logo
1:45 pm - 11:56 pm
IDA
-
BNA
9h 11m
1 stop
$399Alaska Airlines
mié., sep. 16 - jue., sep. 24
American Airlines Logo
3:49 pm - 11:39 pm
SDF
-
IDA
9h 50m
1 stop
American Airlines Logo
1:43 pm - 9:41 pm
IDA
-
SDF
5h 58m
1 stop
$399American Airlines
jue., abr. 30 - lun., may. 4
Multiple Airlines Logo
9:24 pm - 4:00 pm
BNA
-
IDA
19h 36m
1 stop
Multiple Airlines Logo
9:47 am - 10:47 am
IDA
-
BNA
48h 00m
2 stops
$401Multiple Airlines
jue., jul. 23 - vie., jul. 31
Delta Logo
5:10 pm - 10:14 pm
BNA
-
IDA
6h 04m
1 stop
Delta Logo
1:10 pm - 10:15 pm
IDA
-
BNA
8h 05m
1 stop
$404Delta
mar., sep. 29 - mar., oct. 6
American Airlines Logo
5:00 am - 12:14 pm
BNA
-
IDA
8h 14m
1 stop
American Airlines Logo
2:08 pm - 10:07 pm
IDA
-
BNA
6h 59m
1 stop
$405American Airlines
vie., may. 29 - lun., jun. 1
Multiple Airlines Logo
8:40 pm - 3:27 pm
CVG
-
IDA
20h 47m
1 stop
Multiple Airlines Logo
9:46 am - 6:29 pm
IDA
-
CVG
30h 43m
2 stops
$407Multiple Airlines
dom., may. 17 - dom., may. 24
Delta Logo
9:35 am - 10:14 pm
BNA
-
IDA
13h 39m
2 stops
Delta Logo
1:10 pm - 10:15 pm
IDA
-
BNA
8h 05m
1 stop
$409Delta
mar., sep. 29 - mar., oct. 6
American Airlines Logo
12:02 pm - 10:15 pm
BNA
-
IDA
11h 13m
2 stops
American Airlines Logo
2:08 pm - 10:07 pm
IDA
-
BNA
6h 59m
1 stop
$410American Airlines
vie., may. 29 - lun., jun. 1
United Airlines Logo
10:31 am - 5:16 pm
BNA
-
IDA
7h 45m
1 stop
United Airlines Logo
10:35 am - 9:40 pm
IDA
-
BNA
10h 05m
2 stops
$415United Airlines
vie., ago. 21 - mar., ago. 25

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Delta flights from Kentucky to Idaho Falls

Our best Delta deals on Kentucky to Idaho Falls flight tickets
Delta
May 13
BNA7:34 amNashville Intl
8h 00m
1 stop
IDA2:34 pmIdaho Falls Fanning Field
May 18
IDA3:16 pmIdaho Falls Fanning Field
6h 29m
1 stop
BNA10:45 pmNashville Intl
$370
Delta
Aug 8
BNA5:10 pmNashville Intl
6h 22m
1 stop
IDA10:32 pmIdaho Falls Fanning Field
Aug 15
IDA3:04 pmIdaho Falls Fanning Field
6h 17m
1 stop
BNA10:21 pmNashville Intl
$382
Delta
May 13
BNA7:34 amNashville Intl
8h 00m
1 stop
IDA2:34 pmIdaho Falls Fanning Field
May 18
IDA6:54 pmIdaho Falls Fanning Field
12h 41m
2 stops
BNA8:35 amNashville Intl
$400

Alaska Airlines flights from Kentucky to Idaho Falls

Our best Alaska Airlines deals on Kentucky to Idaho Falls flight tickets
Alaska Airlines
Sep 16
BNA5:11 pmNashville Intl
20h 57m
1 stop
IDA1:08 pmIdaho Falls Fanning Field
Sep 24
IDA1:45 pmIdaho Falls Fanning Field
9h 11m
1 stop
BNA11:56 pmNashville Intl
$399
Alaska Airlines
May 1
CVG6:58 pmCincinnati Cinci./N. Kentucky
22h 31m
1 stop
IDA3:29 pmIdaho Falls Fanning Field
May 5
IDA6:00 amIdaho Falls Fanning Field
9h 58m
1 stop
CVG5:58 pmCincinnati Cinci./N. Kentucky
$429
Alaska Airlines
Sep 24
CVG6:05 pmCincinnati Cinci./N. Kentucky
23h 32m
1 stop
IDA3:37 pmIdaho Falls Fanning Field
Sep 29
IDA6:18 amIdaho Falls Fanning Field
8h 47m
1 stop
CVG5:05 pmCincinnati Cinci./N. Kentucky
$438

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 abril 19, 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

Cheapest round-trip
Quickest round-trip

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

vie. 8/21

10:31 am-5:16 pm

1 stop7h 45m

Idaho Falls Fanning Field

mar. 8/25

2:30 pm-9:09 pm

1 stop5h 39m

$360

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

mié. 9/16

5:11 pm-1:08 pm

1 stop20h 57m

Idaho Falls Fanning Field

jue. 9/24

1:45 pm-11:56 pm

1 stop9h 11m

$399

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

jue. 4/30

3:49 pm-11:39 pm

1 stop9h 50m

Idaho Falls Fanning Field

lun. 5/4

1:43 pm-9:41 pm

1 stop5h 58m

$399

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

jue. 7/23

9:24 pm-4:00 pm

1 stop19h 36m

Idaho Falls Fanning Field

vie. 7/31

9:47 am-10:47 am

2 stops48h 00m

$401

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

mar. 9/29

5:10 pm-10:14 pm

1 stop6h 04m

Idaho Falls Fanning Field

mar. 10/6

1:10 pm-10:15 pm

1 stop8h 05m

$404

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

vie. 5/29

5:00 am-12:14 pm

1 stop8h 14m

Idaho Falls Fanning Field

lun. 6/1

2:08 pm-10:07 pm

1 stop6h 59m

$405

CincinnatiIdaho Falls

CVG - IDA

CVGIDA

Cincinnati Cinci./N. Kentucky

dom. 5/17

8:40 pm-3:27 pm

1 stop20h 47m

Idaho Falls Fanning Field

dom. 5/24

9:46 am-6:29 pm

2 stops30h 43m

$407

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

mar. 9/29

9:35 am-10:14 pm

2 stops13h 39m

Idaho Falls Fanning Field

mar. 10/6

1:10 pm-10:15 pm

1 stop8h 05m

$409

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

vie. 5/29

12:02 pm-10:15 pm

2 stops11h 13m

Idaho Falls Fanning Field

lun. 6/1

2:08 pm-10:07 pm

1 stop6h 59m

$410

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

vie. 8/21

10:31 am-5:16 pm

1 stop7h 45m

Idaho Falls Fanning Field

mar. 8/25

10:35 am-9:40 pm

2 stops10h 05m

$415

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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?

Allegiant Air, Alaska Airlines, 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 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

Frequently asked questions about flying from Kentucky to Idaho Falls

  • 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
United AirlinesPriceFrom $341Free CancellationRating
7.4
9,604 reviews
Search United Airlines flights
American AirlinesPriceFrom $609Free CancellationRating
7.1
11,620 reviews
Search American 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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