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Idaho Falls

$194+ 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
may. 6 — may. 131
mar. 5/6
mar. 5/13
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 mayo 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$269
(American Airlines)

One-way from

$194
(American Airlines)

Popular in

September

Cheapest in

January

Average price

$604
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. 2% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in May 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 mayo 1, 2025.

This American Airlines deal was found by Cheapflights users on 4/30. 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.
mar. 8/126:45 amSDF - IDA
1 stop7h 25mAmerican Airlines
mar. 8/197:00 amIDA - SDF
1 stop7h 24mAmerican Airlines
Deal found 4/30$269
This United Airlines deal was found by Cheapflights users on 4/29. 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.
jue. 5/157:00 amTYS - IDA
2 stops10h 25mUnited Airlines
mar. 5/202:40 pmIDA - TYS
1 stop5h 44mUnited Airlines
Deal found 4/29$319
This United Airlines deal was found by Cheapflights users on 4/30. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/126:00 amSDF - IDA
2 stops13h 22mUnited Airlines
mar. 8/195:00 amIDA - SDF
1 stop7h 34mUnited Airlines
Deal found 4/30$354
This Delta deal was found by Cheapflights users on 4/30. 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.
sáb. 6/74:29 pmCVG - IDA
2 stops8h 26mDelta
vie. 6/136:00 amIDA - CVG
1 stop6h 53mDelta
Deal found 4/30$360
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
mar. 9/239:00 amBNA - IDA
1 stop14h 39mAlaska Airlines
mar. 9/304:03 pmIDA - BNA
1 stop7h 05mAlaska Airlines
Deal found 4/30$386
This Delta deal was found by Cheapflights users on 4/30. 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.
jue. 6/267:35 amBNA - IDA
1 stop7h 49mDelta
mar. 7/16:00 amIDA - BNA
1 stop6h 59mDelta
Deal found 4/30$387
This United Airlines deal was found by Cheapflights users on 4/30. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/237:35 amBNA - IDA
2 stops8h 36mUnited Airlines
mar. 9/307:00 amIDA - BNA
2 stops7h 55mUnited Airlines
Deal found 4/30$397
This American Airlines deal was found by Cheapflights users on 4/30. 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.
sáb. 8/27:06 amLEX - IDA
1 stop8h 11mAmerican Airlines
sáb. 8/3012:46 pmIDA - LEX
1 stop8h 34mAmerican Airlines
Deal found 4/30$409
This United Airlines deal was found by Cheapflights users on 4/30. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/29:00 amLEX - IDA
2 stops10h 22mUnited Airlines
sáb. 8/302:35 pmIDA - LEX
2 stops7h 22mUnited Airlines
Deal found 4/30$414
This American Airlines deal was found by Cheapflights users on 4/30. 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.
vie. 8/1510:05 amBNA - IDA
2 stops12h 14mAmerican Airlines
dom. 8/2412:46 pmIDA - BNA
2 stops9h 51mAmerican Airlines
Deal found 4/30$462
This United Airlines deal was found by Cheapflights users on 4/30. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/122:55 pmCVG - IDA
2 stops9h 56mUnited Airlines
mar. 8/1910:56 amIDA - CVG
2 stops11h 01mUnited Airlines
Deal found 4/30$473
This American Airlines deal was found by Cheapflights users on 4/30. 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.
mié. 6/117:00 amTYS - IDA
1 stop8h 21mAmerican Airlines
mar. 6/177:00 amIDA - TYS
2 stops15h 14mAmerican Airlines
Deal found 4/30$505

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 mayo 1, 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

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

mar. 8/12

6:45 am-12:10 pm

1 stop7h 25m

Idaho Falls Fanning Field

mar. 8/19

7:00 am-4:24 pm

1 stop7h 24m

$269

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

jue. 5/15

7:00 am-3:25 pm

2 stops10h 25m

Idaho Falls Fanning Field

mar. 5/20

2:40 pm-10:24 pm

1 stop5h 44m

$319

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

mar. 8/12

6:00 am-5:22 pm

2 stops13h 22m

Idaho Falls Fanning Field

mar. 8/19

5:00 am-2:34 pm

1 stop7h 34m

$354

CincinnatiIdaho Falls

CVG - IDA

CVGIDA

Cincinnati Cinci./N. Kentucky

sáb. 6/7

4:29 pm-10:55 pm

2 stops8h 26m

Idaho Falls Fanning Field

vie. 6/13

6:00 am-2:53 pm

1 stop6h 53m

$360

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

mar. 9/23

9:00 am-10:39 pm

1 stop14h 39m

Idaho Falls Fanning Field

mar. 9/30

4:03 pm-12:08 am

1 stop7h 05m

$386

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

jue. 6/26

7:35 am-2:24 pm

1 stop7h 49m

Idaho Falls Fanning Field

mar. 7/1

6:00 am-1:59 pm

1 stop6h 59m

$387

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

mar. 9/23

7:35 am-3:11 pm

2 stops8h 36m

Idaho Falls Fanning Field

mar. 9/30

7:00 am-3:55 pm

2 stops7h 55m

$397

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

sáb. 8/2

7:06 am-1:17 pm

1 stop8h 11m

Idaho Falls Fanning Field

sáb. 8/30

12:46 pm-11:20 pm

1 stop8h 34m

$409

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

sáb. 8/2

9:00 am-5:22 pm

2 stops10h 22m

Idaho Falls Fanning Field

sáb. 8/30

2:35 pm-11:57 pm

2 stops7h 22m

$414

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

vie. 8/15

10:05 am-9:19 pm

2 stops12h 14m

Idaho Falls Fanning Field

dom. 8/24

12:46 pm-11:37 pm

2 stops9h 51m

$462

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Showing 1-10 of 20 results
1
2

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 mayo 1, 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 mayo 1, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and United 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
9,972 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

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
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

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
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

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 American Airlines. According to our data, you can fly for as low as $194. Users have also found prices from $199 and $234 on Delta and United Airlines, respectively.

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

    While some choose either Cincinnati Cinci./N. Kentucky - Idaho Falls Fanning Field or Lexington Blue Grass - 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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$323Average$633FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$324Average$571FlexibilityNo cancel feeOn-time69%

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