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Idaho Falls

$171+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — IDA
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
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 February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$344
(American Airlines)

One-way from

$171
(American Airlines)

Popular in

May

Cheapest in

January
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. 12% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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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 February 22, 2025.

This American Airlines deal was found by Cheapflights users on 2/21. 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 3/810:50 amTYS - IDA
2 stops13h 21mAmerican Airlines
Wed 3/1212:58 pmIDA - TYS
1 stop9h 00mAmerican Airlines
Deal found 2/21$344
This United Airlines deal was found by Cheapflights users on 2/21. 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 3/84:00 pmTYS - IDA
1 stop7h 06mUnited Airlines
Wed 3/122:35 pmIDA - TYS
1 stop5h 42mUnited Airlines
Deal found 2/21$354
This United Airlines deal was found by Cheapflights users on 2/22. 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 7/262:10 pmCVG - IDA
2 stops10h 41mUnited Airlines
Tue 7/292:35 pmIDA - CVG
1 stop6h 45mUnited Airlines
Deal found 2/22$496
This United deal was found by Cheapflights users on 2/21. 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 8/15:24 pmBNA - IDA
1 stop6h 27mUnited Airlines
Fri 8/82:35 pmIDA - BNA
1 stop5h 59mUnited Airlines
Deal found 2/21$508
This Alaska Airlines deal was found by Cheapflights users on 2/21. 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.
Thu 10/169:00 amBNA - IDA
1 stop14h 38mAlaska Airlines
Sun 10/194:00 pmIDA - BNA
1 stop6h 54mAlaska Airlines
Deal found 2/21$571
This American Airlines deal was found by Cheapflights users on 2/21. 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.
Thu 4/35:47 amSDF - IDA
1 stop8h 41mAmerican Airlines
Sun 4/612:59 pmIDA - SDF
1 stop19h 26mAmerican Airlines
Deal found 2/21$588
This United deal was found by Cheapflights users on 2/21. 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.
Thu 4/36:00 amSDF - IDA
2 stops11h 23mUnited Airlines
Sun 4/64:15 pmIDA - SDF
1 stop28h 00mUnited Airlines
Deal found 2/21$625
This Alaska Airlines deal was found by Cheapflights users on 2/21. 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.
Thu 4/36:30 amSDF - IDA
2 stops18h 05mAlaska Airlines
Sun 4/68:00 amIDA - SDF
2 stops24h 38mAlaska Airlines
Deal found 2/21$647
This Alaska Airlines deal was found by Cheapflights users on 2/22. 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.
Sat 6/76:40 pmCVG - IDA
1 stop29h 54mAlaska Airlines
Fri 6/138:00 amIDA - CVG
1 stop7h 10mAlaska Airlines
Deal found 2/22$660
This Delta deal was found by Cheapflights users on 2/22. 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.
Sun 8/3110:55 amLEX - IDA
2 stops13h 20mDelta
Sun 9/77:00 pmIDA - LEX
2 stops13h 13mDelta
Deal found 2/22$689
This American Airlines deal was found by Cheapflights users on 2/21. 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 3/89:50 amBNA - IDA
2 stops13h 21mAmerican Airlines
Wed 3/127:47 amIDA - BNA
2 stops9h 44mAmerican Airlines
Deal found 2/21$698
This American Airlines deal was found by Cheapflights users on 2/22. 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.
Sun 8/312:35 pmLEX - IDA
1 stop8h 26mAmerican Airlines
Sun 9/71:51 pmIDA - LEX
1 stop8h 10mAmerican Airlines
Deal found 2/22$728

Find flights from Kentucky to Idaho Falls within your budget

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 February 22, 2025.

Fly from

Kentucky

Fly to

Idaho Falls

Route

Depart

Return

Price

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Sat 3/8

10:50 am-10:11 pm

2 stops13h 21m

Idaho Falls Fanning Field

Wed 3/12

12:58 pm-11:58 pm

1 stop9h 00m

$344

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Sat 3/8

4:00 pm-9:06 pm

1 stop7h 06m

Idaho Falls Fanning Field

Wed 3/12

2:35 pm-10:17 pm

1 stop5h 42m

$354

CincinnatiIdaho Falls

CVG - IDA

CVGIDA

Cincinnati Cinci./N. Kentucky

Sat 7/26

2:10 pm-10:51 pm

2 stops10h 41m

Idaho Falls Fanning Field

Tue 7/29

2:35 pm-11:20 pm

1 stop6h 45m

$496

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Fri 8/1

5:24 pm-10:51 pm

1 stop6h 27m

Idaho Falls Fanning Field

Fri 8/8

2:35 pm-9:34 pm

1 stop5h 59m

$508

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Thu 4/3

5:47 am-12:28 pm

1 stop8h 41m

Idaho Falls Fanning Field

Sun 4/6

12:59 pm-10:25 am

1 stop19h 26m

$588

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Thu 6/26

9:00 am-10:38 pm

1 stop14h 38m

Idaho Falls Fanning Field

Tue 7/1

4:00 pm-11:54 pm

1 stop6h 54m

$597

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Thu 4/3

6:00 am-3:23 pm

2 stops11h 23m

Idaho Falls Fanning Field

Sun 4/6

4:15 pm-10:15 pm

1 stop28h 00m

$625

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Thu 4/3

6:30 am-10:35 pm

2 stops18h 05m

Idaho Falls Fanning Field

Sun 4/6

8:00 am-10:38 am

2 stops24h 38m

$647

CincinnatiIdaho Falls

CVG - IDA

CVGIDA

Cincinnati Cinci./N. Kentucky

Sat 6/7

6:40 pm-10:34 pm

1 stop29h 54m

Idaho Falls Fanning Field

Fri 6/13

8:00 am-5:10 pm

1 stop7h 10m

$660

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Sat 3/8

9:50 am-10:11 pm

2 stops13h 21m

Idaho Falls Fanning Field

Wed 3/12

7:47 am-6:31 pm

2 stops9h 44m

$698

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 17 results
1
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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.

Travel insights for flights from Kentucky to Idaho Falls

Get recent, data-driven insights about flights from Kentucky to Idaho Falls including ideal travel times, pricing trends, and more.

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 February 22, 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 February 22, 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
9,700 reviews

Food

7.1

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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
9,700 reviews
Alaska Airlines
8.0
Very good
9,700 reviews

Food

7.1

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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
8,203 reviews
Alaska Airlines
8.0
Very good
9,700 reviews

Food

7.1

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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
8,754 reviews
Alaska Airlines
8.0
Very good
9,700 reviews

Food

7.1

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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
9,700 reviews

Food

7.1

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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 American Airlines. According to our data, you can fly for as low as $171. Users have also found prices from $323 and $455 on Delta and United Airlines, respectively.

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

    While some choose either Nashville Intl - Idaho Falls Fanning Field or Cincinnati Cinci./N. Kentucky - Idaho Falls Fanning Field, Lexington Blue Grass - 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?

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Alternative routes for Kentucky to Idaho Falls

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Top airline flying from Kentucky to Idaho Falls

Discover the top airline 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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$324Average$621FlexibilityNo cancel feeOn-time69%
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