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Idaho Falls

$164+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — IDA
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$299
(American Airlines)

One-way from

$164
(Delta)

Popular in

May

Cheapest in

January

Average price

$591
Provider with most accurate pricing for Louisville Intl-Idaho Falls Fanning Field flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Idaho Falls Fanning Field flights.
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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. 18% potential increase in price ($138 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This American Airlines deal was found by Cheapflights users on 3/31. 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 4/263:14 pmTYS - IDA
2 stops8h 56mAmerican Airlines
Tue 4/297:43 amIDA - TYS
2 stops14h 12mAmerican Airlines
Deal found 3/31$299
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Sat 4/265:45 amTYS - IDA
2 stops11h 36mUnited Airlines
Tue 4/296:50 amIDA - TYS
1 stop5h 54mUnited Airlines
Deal found 3/31$330
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 10/229:00 amBNA - IDA
1 stop14h 38mAlaska Airlines
Sat 11/14:00 pmIDA - BNA
1 stop6h 54mAlaska Airlines
Deal found 3/30$386
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Fri 5/24:25 pmBNA - IDA
1 stop6h 45mAmerican Airlines
Sun 5/412:59 pmIDA - BNA
1 stop5h 50mAmerican Airlines
Deal found 3/31$387
This United Airlines deal was found by Cheapflights users on 3/29. 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.
Fri 7/43:31 pmCVG - IDA
1 stop7h 28mUnited Airlines
Sat 7/125:00 amIDA - CVG
2 stops9h 35mUnited Airlines
Deal found 3/29$388
This American Airlines deal was found by Cheapflights users on 3/29. 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.
Fri 8/227:56 amCVG - IDA
1 stop6h 15mAmerican Airlines
Wed 8/273:03 pmIDA - CVG
1 stop6h 53mAmerican Airlines
Deal found 3/29$450
This Delta deal was found by Cheapflights users on 3/30. 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 6/257:34 amBNA - IDA
1 stop7h 50mDelta
Thu 7/173:05 pmIDA - BNA
1 stop6h 17mDelta
Deal found 3/30$473
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/15:32 pmBNA - IDA
1 stop6h 19mUnited Airlines
Fri 8/84:13 pmIDA - BNA
1 stop28h 12mUnited Airlines
Deal found 3/31$506
This American Airlines deal was found by Cheapflights users on 3/30. 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 6/47:05 amSDF - IDA
1 stop7h 22mAmerican Airlines
Sat 6/71:51 pmIDA - SDF
1 stop6h 56mAmerican Airlines
Deal found 3/30$507
This United deal was found by Cheapflights users on 3/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/29:26 amLEX - IDA
1 stop26h 18mUnited Airlines
Sat 8/305:00 amIDA - LEX
2 stops9h 55mUnited Airlines
Deal found 3/30$518
This Delta deal was found by Cheapflights users on 3/31. 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 4/35:45 amTYS - IDA
2 stops8h 31mDelta
Sun 4/66:55 pmIDA - TYS
2 stops12h 26mDelta
Deal found 3/31$519
This Hawaiian Airlines deal was found by Cheapflights users on 3/30. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/318:40 amCVG - IDA
1 stop8h 43mHawaiian Airlines
Fri 8/86:15 amIDA - CVG
1 stop9h 22mHawaiian Airlines
Deal found 3/30$578

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 March 31, 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

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Sat 4/26

3:14 pm-10:10 pm

2 stops8h 56m

Idaho Falls Fanning Field

Tue 4/29

7:43 am-11:55 pm

2 stops14h 12m

$299

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Sat 4/26

5:45 am-3:21 pm

2 stops11h 36m

Idaho Falls Fanning Field

Tue 4/29

6:50 am-2:44 pm

1 stop5h 54m

$330

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Fri 5/2

4:25 pm-10:10 pm

1 stop6h 45m

Idaho Falls Fanning Field

Sun 5/4

12:59 pm-7:49 pm

1 stop5h 50m

$387

CincinnatiIdaho Falls

CVG - IDA

CVGIDA

Cincinnati Cinci./N. Kentucky

Fri 7/4

3:31 pm-8:59 pm

1 stop7h 28m

Idaho Falls Fanning Field

Sat 7/12

5:00 am-4:35 pm

2 stops9h 35m

$388

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Sat 4/12

7:00 am-3:34 pm

1 stop9h 34m

Idaho Falls Fanning Field

Sat 4/19

4:11 pm-11:59 pm

1 stop6h 48m

$427

CincinnatiIdaho Falls

CVG - IDA

CVGIDA

Cincinnati Cinci./N. Kentucky

Fri 8/22

7:56 am-12:11 pm

1 stop6h 15m

Idaho Falls Fanning Field

Wed 8/27

3:03 pm-11:56 pm

1 stop6h 53m

$450

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Wed 6/25

7:34 am-2:24 pm

1 stop7h 50m

Idaho Falls Fanning Field

Thu 7/17

3:05 pm-10:22 pm

1 stop6h 17m

$473

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Fri 8/1

5:32 pm-10:51 pm

1 stop6h 19m

Idaho Falls Fanning Field

Fri 8/8

4:13 pm-9:25 pm

1 stop28h 12m

$506

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Wed 6/4

7:05 am-12:27 pm

1 stop7h 22m

Idaho Falls Fanning Field

Sat 6/7

1:51 pm-10:47 pm

1 stop6h 56m

$507

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Sat 8/2

9:26 am-9:44 am

1 stop26h 18m

Idaho Falls Fanning Field

Sat 8/30

5:00 am-4:55 pm

2 stops9h 55m

$518

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 27 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 July is currently the most expensive (average of $628). 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 March 31, 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 March 31, 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
9,818 reviews

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,344 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 Delta. According to our data, you can fly for as low as $164. Users have also found prices from $192 and $209 on American Airlines and United Airlines, respectively.

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

    While some choose either Knoxville McGhee Tyson - Idaho Falls Fanning Field or Cincinnati Cinci./N. Kentucky - 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 July is currently the most expensive (average of $628). 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$323Average$674FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$324Average$618FlexibilityNo cancel feeOn-time69%
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