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Idaho Falls

$168+ Cheap flights from Kentucky to Idaho Falls (IDA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — IDA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Kentucky to Idaho Falls

Keep the following information in mind while searching for Kentucky to Idaho Falls flight deals. Data was last updated June 12, 2025.

Round-trip from

$265
(Mytrip)

One-way from

$168
(Hawaiian Airlines)

Popular in

June

Cheapest in

January

Average price

$736
From Kentucky to Idaho Falls Fanning Field
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One-way flight from Kentucky to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 12% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Kentucky to Idaho Falls

Cheapest flights from Kentucky to Idaho Falls
Explore the most affordable flight options available from Kentucky to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/318:00 amCVG - IDA
1 stop27h 03mAllegiant Air
Sun 8/105:49 pmIDA - CVG
1 stop16h 53mAllegiant Air
Deal found 6/10$265
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/319:55 pmBNA - IDA
1 stop14h 49mMultiple Airlines
Mon 8/46:12 pmIDA - BNA
1 stop20h 17mMultiple Airlines
Deal found 6/10$296
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/137:00 amCVG - IDA
1 stop7h 09mAmerican Airlines
Wed 9/1712:43 pmIDA - CVG
1 stop6h 43mAmerican Airlines
Deal found 6/11$331
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/16:51 amCVG - IDA
1 stop11h 23mMultiple Airlines
Sun 8/109:47 amIDA - CVG
2 stops30h 43mMultiple Airlines
Deal found 6/10$336
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:00 amBNA - IDA
1 stop8h 59mAmerican Airlines
Wed 9/2412:43 pmIDA - BNA
1 stop7h 55mAmerican Airlines
Deal found 6/12$337
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/134:15 pmCVG - IDA
2 stops8h 05mDelta
Wed 9/176:50 pmIDA - CVG
2 stops12h 04mDelta
Deal found 6/11$341
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:05 amBNA - IDA
1 stop6h 24mDelta
Wed 9/246:50 pmIDA - BNA
2 stops12h 44mDelta
Deal found 6/10$342
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/75:30 amTYS - IDA
2 stops10h 54mDelta
Wed 8/1311:20 amIDA - TYS
2 stops10h 28mDelta
Deal found 6/10$354
This Alaska Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:37 pmCVG - IDA
1 stop22h 46mAlaska Airlines
Tue 8/264:03 pmIDA - CVG
1 stop23h 34mAlaska Airlines
Deal found 6/12$356
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/255:06 pmBNA - IDA
2 stops28h 38mAllegiant Air
Fri 8/19:48 amIDA - BNA
2 stops27h 59mAllegiant Air
Deal found 6/11$391
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:00 amSDF - IDA
2 stops10h 19mDelta
Sat 8/3011:20 amIDA - SDF
2 stops10h 36mDelta
Deal found 6/11$404
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/315:29 pmBNA - IDA
1 stop6h 22mUnited Airlines
Sun 8/35:00 amIDA - BNA
1 stop5h 29mUnited Airlines
Deal found 6/10$431

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Kentucky to Idaho Falls that are best for you.

Fly from

Kentucky

Fly to

Idaho Falls

Route

Depart

Return

Price

CincinnatiIdaho Falls

CVG - IDA

CVGIDA

Cincinnati Cinci./N. Kentucky

Thu 7/31

8:00 am-9:03 am

1 stop27h 03m

Idaho Falls Fanning Field

Sun 8/10

5:49 pm-12:42 pm

1 stop16h 53m

$265

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Thu 7/31

9:55 pm-11:44 am

1 stop14h 49m

Idaho Falls Fanning Field

Mon 8/4

6:12 pm-3:29 pm

1 stop20h 17m

$296

CincinnatiIdaho Falls

CVG - IDA

CVGIDA

Cincinnati Cinci./N. Kentucky

Sat 9/13

7:00 am-12:09 pm

1 stop7h 09m

Idaho Falls Fanning Field

Wed 9/17

12:43 pm-9:26 pm

1 stop6h 43m

$331

CincinnatiIdaho Falls

CVG - IDA

CVGIDA

Cincinnati Cinci./N. Kentucky

Fri 8/1

6:51 am-4:14 pm

1 stop11h 23m

Idaho Falls Fanning Field

Sun 8/10

9:47 am-6:30 pm

2 stops30h 43m

$336

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Wed 9/17

6:44 am-12:59 pm

1 stop7h 15m

Idaho Falls Fanning Field

Wed 9/24

1:35 pm-9:58 pm

1 stop7h 23m

$337

CincinnatiIdaho Falls

CVG - IDA

CVGIDA

Cincinnati Cinci./N. Kentucky

Sat 9/13

4:15 pm-10:20 pm

2 stops8h 05m

Idaho Falls Fanning Field

Wed 9/17

6:50 pm-8:54 am

2 stops12h 04m

$341

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Wed 9/17

7:05 am-12:29 pm

1 stop6h 24m

Idaho Falls Fanning Field

Wed 9/24

6:50 pm-8:34 am

2 stops12h 44m

$342

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Thu 8/7

5:30 am-2:24 pm

2 stops10h 54m

Idaho Falls Fanning Field

Wed 8/13

11:20 am-11:48 pm

2 stops10h 28m

$354

CincinnatiIdaho Falls

CVG - IDA

CVGIDA

Cincinnati Cinci./N. Kentucky

Fri 8/22

6:37 pm-3:23 pm

1 stop22h 46m

Idaho Falls Fanning Field

Tue 8/26

4:03 pm-5:37 pm

1 stop23h 34m

$356

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Fri 7/25

5:06 pm-8:44 pm

2 stops28h 38m

Idaho Falls Fanning Field

Fri 8/1

9:48 am-2:47 pm

2 stops27h 59m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 34 results
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Best time to book a flight from Kentucky to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Kentucky with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kentucky to Idaho Falls

What is the cheapest month to book a flight from Kentucky to Idaho Falls?

Currently, October is the cheapest month in which you can book a flight from Kentucky to Idaho Falls (average of $380). Flying from Kentucky to Idaho Falls in December is currently the most expensive (average of $578). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KY to IDA?

Find hourly flight availability from Kentucky to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kentucky to Idaho Falls as you normally would.

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho Falls. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and Hawaiian Airlines from Kentucky to Idaho Falls. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
725 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Idaho Falls from Kentucky?

    Idaho Falls Fanning Field (IDA) is the airport you will fly into if you book a flight from Kentucky to Idaho Falls. It is only a 3.8 mi journey from Fanning Field (IDA) to Idaho Falls’s city center.

  • What are the cheapest airlines to fly from Kentucky to Idaho Falls one-way?

    For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $168. Users have also found prices from $174 and $189 on Delta and American Airlines, respectively.

  • What are the most popular routes from Kentucky to Idaho Falls?

    While some choose either Lexington Blue Grass - Idaho Falls Fanning Field or Knoxville McGhee Tyson - Idaho Falls Fanning Field, Nashville Intl - Idaho Falls Fanning Field is the most popular route from Kentucky to Idaho Falls.

  • Can I find deals for flights from Kentucky to Idaho Falls that include hotel bookings?

    Yes. In addition to deals on Kentucky to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kentucky to Idaho Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kentucky to Idaho Falls.

  • Can I find deals for business class flights from Kentucky to Idaho Falls?

    Yes. Cheapflights offers flight deals from Kentucky to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kentucky to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from Kentucky to Idaho Falls (average of $380). Flying from Kentucky to Idaho Falls in December is currently the most expensive (average of $578). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Kentucky?

Book flights to Kentucky if you plan to visit one of these locations
Rexburg

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Alternative routes for Kentucky to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Kentucky to Idaho Falls

Discover the top 2 airlines that operate flights from Kentucky to Idaho Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$323Average$632FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$324Average$571FlexibilityNo cancel feeOn-time69%

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