Cheap flights from Kentucky to Idaho Falls from $216

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 1/12. 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.
American Airlines Logo
6:00 am - 1:27 pmCVG-IDA
9h 27m1 stop
American Airlines Logo
1:58 pm - 10:59 pmIDA-CVG
7h 01m1 stop
$342American Airlines
Find Deal
sáb, dez 6 - seg, dez 8
Alaska Airlines Logo
8:04 am - 4:23 pmCVG-IDA
10h 19m1 stop
Alaska Airlines Logo
9:00 am - 8:34 pmIDA-CVG
9h 34m1 stop
$351Alaska Airlines
Find Deal
ter, mar 3 - qua, mar 4
American Airlines Logo
6:46 am - 1:27 pmBNA-IDA
7h 41m1 stop
American Airlines Logo
1:58 pm - 10:59 pmIDA-BNA
8h 01m1 stop
$367American Airlines
Find Deal
sex, dez 5 - sex, dez 12
American Airlines Logo
11:59 am - 10:36 pmBNA-IDA
11h 37m2 stops
American Airlines Logo
1:58 pm - 9:30 pmIDA-BNA
6h 32m1 stop
$372American Airlines
Find Deal
sex, dez 5 - dom, dez 7
United Airlines Logo
5:40 am - 1:30 pmSDF-IDA
9h 50m2 stops
United Airlines Logo
5:00 am - 2:22 pmIDA-SDF
7h 22m1 stop
$389United Airlines
Find Deal
qua, dez 31 - seg, jan 5
United Airlines Logo
3:22 pm - 9:16 pmSDF-IDA
7h 54m1 stop
United Airlines Logo
2:40 pm - 10:44 pmIDA-SDF
6h 04m1 stop
$411United Airlines
Find Deal
sex, jan 16 - seg, jan 19
United Airlines Logo
5:35 am - 1:30 pmSDF-IDA
9h 55m2 stops
United Airlines Logo
2:40 pm - 10:44 pmIDA-SDF
6h 04m1 stop
$415United Airlines
Find Deal
sex, jan 16 - seg, jan 19
Delta Logo
7:00 am - 6:26 pmBNA-IDA
12h 26m2 stops
Delta Logo
7:06 pm - 8:22 amIDA-BNA
12h 16m2 stops
$492Delta
Find Deal
sex, dez 5 - dom, dez 7
Delta Logo
7:50 am - 6:17 pmSDF-IDA
12h 27m2 stops
Delta Logo
1:15 pm - 12:06 amIDA-SDF
8h 51m2 stops
$649Delta
Find Deal
seg, nov 24 - sex, nov 28
Allegiant Air Logo
7:06 pm - 8:40 pmBNA-IDA
26h 34m2 stops
Allegiant Air Logo
6:21 pm - 10:55 pmIDA-BNA
27h 34m2 stops
$796Allegiant Air
Find Deal
sex, dez 26 - dom, dez 28

United Airlines flights from Kentucky to Idaho Falls

Our best United Airlines deals on Kentucky to Idaho Falls flight tickets
United Airlines
Dec 31
SDF5:40 amLouisville Intl
9h 50m
2 stops
IDA1:30 pmIdaho Falls Fanning Field
Jan 5
IDA5:00 amIdaho Falls Fanning Field
7h 22m
1 stop
SDF2:22 pmLouisville Intl
United Airlines
Jan 16
SDF3:22 pmLouisville Intl
7h 54m
1 stop
IDA9:16 pmIdaho Falls Fanning Field
Jan 19
IDA2:40 pmIdaho Falls Fanning Field
6h 04m
1 stop
SDF10:44 pmLouisville Intl
United Airlines
Jan 16
SDF5:35 amLouisville Intl
9h 55m
2 stops
IDA1:30 pmIdaho Falls Fanning Field
Jan 19
IDA2:40 pmIdaho Falls Fanning Field
6h 04m
1 stop
SDF10:44 pmLouisville Intl

American Airlines flights from Kentucky to Idaho Falls

Our best American Airlines deals on Kentucky to Idaho Falls flight tickets
American Airlines
Dec 6
CVG6:00 amCincinnati Cinci./N. Kentucky
9h 27m
1 stop
IDA1:27 pmIdaho Falls Fanning Field
Dec 8
IDA1:58 pmIdaho Falls Fanning Field
7h 01m
1 stop
CVG10:59 pmCincinnati Cinci./N. Kentucky
American Airlines
Dec 5
BNA6:46 amNashville Intl
7h 41m
1 stop
IDA1:27 pmIdaho Falls Fanning Field
Dec 12
IDA1:58 pmIdaho Falls Fanning Field
8h 01m
1 stop
BNA10:59 pmNashville Intl
American Airlines
Dec 5
BNA11:59 amNashville Intl
11h 37m
2 stops
IDA10:36 pmIdaho Falls Fanning Field
Dec 7
IDA1:58 pmIdaho Falls Fanning Field
6h 32m
1 stop
BNA9:30 pmNashville Intl

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 novembro 10, 2025.
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

sáb 12/6

6:00 am-1:27 pm

1 stop9h 27m

Idaho Falls Fanning Field

seg 12/8

1:58 pm-10:59 pm

1 stop7h 01m

$342

CincinnatiIdaho Falls

CVG - IDA

CVGIDA

Cincinnati Cinci./N. Kentucky

ter 3/3

8:04 am-4:23 pm

1 stop10h 19m

Idaho Falls Fanning Field

qua 3/4

9:00 am-8:34 pm

1 stop9h 34m

$351

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

sex 12/5

6:46 am-1:27 pm

1 stop7h 41m

Idaho Falls Fanning Field

sex 12/12

1:58 pm-10:59 pm

1 stop8h 01m

$367

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

sex 12/5

11:59 am-10:36 pm

2 stops11h 37m

Idaho Falls Fanning Field

dom 12/7

1:58 pm-9:30 pm

1 stop6h 32m

$372

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

qua 12/31

5:40 am-1:30 pm

2 stops9h 50m

Idaho Falls Fanning Field

seg 1/5

5:00 am-2:22 pm

1 stop7h 22m

$389

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

sex 1/16

3:22 pm-9:16 pm

1 stop7h 54m

Idaho Falls Fanning Field

seg 1/19

2:40 pm-10:44 pm

1 stop6h 04m

$411

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

sex 1/16

5:35 am-1:30 pm

2 stops9h 55m

Idaho Falls Fanning Field

seg 1/19

2:40 pm-10:44 pm

1 stop6h 04m

$415

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

sex 12/5

7:00 am-6:26 pm

2 stops12h 26m

Idaho Falls Fanning Field

dom 12/7

7:06 pm-8:22 am

2 stops12h 16m

$492

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

seg 11/24

7:50 am-6:17 pm

2 stops12h 27m

Idaho Falls Fanning Field

sex 11/28

1:15 pm-12:06 am

2 stops8h 51m

$649

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

sex 12/26

7:06 pm-8:40 pm

2 stops26h 34m

Idaho Falls Fanning Field

dom 12/28

6:21 pm-10:55 pm

2 stops27h 34m

$796

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 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

Direct flights

None
There are no direct flights from Kentucky to Idaho Falls. There are no popular flight routes 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
American AirlinesPriceFrom $323Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
United AirlinesPriceFrom $343Free CancellationRating
7.4
9,012 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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1 adult
qua 12/10
qua 12/17

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