Idaho Falls

$230+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — IDA
ene. 26 — feb. 21
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Cheap flight deals from Kentucky to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Kentucky (USKY) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 21, 2025.

Round-trip from

$379
(Delta)

One-way from

$230
(Alaska Airlines)
From Kentucky to Idaho Falls Fanning Field
One-way flight from Kentucky to Idaho Falls Fanning Field

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 enero 21, 2025.

This Delta deal was found by Cheapflights users on 1/20. 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.
vie. 2/71:00 pmTYS - IDA
2 stops11h 44mDelta
lun. 2/106:58 pmIDA - TYS
2 stops12h 18mDelta
Deal found 1/20$379
This United Airlines deal was found by Cheapflights users on 1/19. 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.
mié. 3/267:02 amSDF - IDA
2 stops12h 01mUnited Airlines
mié. 4/92:40 pmIDA - SDF
1 stop5h 35mUnited Airlines
Deal found 1/19$404
This Delta deal was found by Cheapflights users on 1/19. 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.
mié. 3/261:19 pmSDF - IDA
2 stops11h 14mDelta
mié. 4/91:00 pmIDA - SDF
2 stops8h 58mDelta
Deal found 1/19$414
This American Airlines deal was found by Cheapflights users on 1/20. 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.
jue. 2/2012:19 pmTYS - IDA
2 stops11h 52mAmerican Airlines
lun. 2/2412:56 pmIDA - TYS
1 stop8h 53mAmerican Airlines
Deal found 1/20$496
This American Airlines deal was found by Cheapflights users on 1/19. 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.
jue. 12/115:34 amCVG - IDA
1 stop8h 53mAmerican Airlines
dom. 12/141:48 pmIDA - CVG
1 stop5h 57mAmerican Airlines
Deal found 1/19$518
This United Airlines deal was found by Cheapflights users on 1/19. 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.
mié. 3/267:00 amLEX - IDA
2 stops12h 03mUnited Airlines
mar. 4/810:50 amIDA - LEX
2 stops10h 54mUnited Airlines
Deal found 1/19$539
This Delta deal was found by Cheapflights users on 1/19. 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.
mié. 3/267:05 amLEX - IDA
2 stops13h 08mDelta
lun. 4/76:55 pmIDA - LEX
2 stops24h 34mDelta
Deal found 1/19$558
This United Airlines deal was found by Cheapflights users on 1/20. 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. 2/208:30 amTYS - IDA
1 stop14h 37mUnited Airlines
mar. 2/2510:38 amIDA - TYS
2 stops10h 52mUnited Airlines
Deal found 1/20$563
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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.
jue. 2/66:29 pmCVG - IDA
1 stop22h 58mAlaska Airlines
lun. 2/108:00 amIDA - CVG
1 stop7h 29mAlaska Airlines
Deal found 1/20$619
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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.
jue. 6/269:00 amBNA - IDA
1 stop14h 38mAlaska Airlines
mar. 7/18:00 amIDA - BNA
1 stop20h 46mAlaska Airlines
Deal found 1/20$636
This United deal was found by Cheapflights users on 1/20. 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.
vie. 6/132:26 pmBNA - IDA
1 stop20h 18mUnited Airlines
sáb. 6/215:00 amIDA - BNA
2 stops10h 35mUnited Airlines
Deal found 1/20$648
This United deal was found by Cheapflights users on 1/20. 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.
jue. 2/68:00 amCVG - IDA
2 stops11h 09mUnited Airlines
lun. 2/105:50 pmIDA - CVG
2 stops19h 53mUnited Airlines
Deal found 1/20$674

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 enero 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

vie. 2/7

1:00 pm-10:44 pm

2 stops11h 44m

Idaho Falls Fanning Field

lun. 2/10

6:58 pm-9:16 am

2 stops12h 18m

$379

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

mié. 3/26

7:02 am-5:03 pm

2 stops12h 01m

Idaho Falls Fanning Field

mié. 4/9

2:40 pm-10:15 pm

1 stop5h 35m

$404

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

mié. 3/26

1:19 pm-10:33 pm

2 stops11h 14m

Idaho Falls Fanning Field

mié. 4/9

1:00 pm-11:58 pm

2 stops8h 58m

$414

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

jue. 2/20

12:19 pm-10:11 pm

2 stops11h 52m

Idaho Falls Fanning Field

lun. 2/24

12:56 pm-11:49 pm

1 stop8h 53m

$496

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

mié. 3/26

7:00 am-5:03 pm

2 stops12h 03m

Idaho Falls Fanning Field

mar. 4/8

10:50 am-11:44 pm

2 stops10h 54m

$539

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

mié. 3/26

7:05 am-6:13 pm

2 stops13h 08m

Idaho Falls Fanning Field

lun. 4/7

6:55 pm-9:29 pm

2 stops24h 34m

$558

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

jue. 2/20

8:30 am-9:07 pm

1 stop14h 37m

Idaho Falls Fanning Field

mar. 2/25

10:38 am-11:30 pm

2 stops10h 52m

$563

CincinnatiIdaho Falls

CVG - IDA

CVGIDA

Cincinnati Cinci./N. Kentucky

jue. 2/6

6:29 pm-3:27 pm

1 stop22h 58m

Idaho Falls Fanning Field

lun. 2/10

8:00 am-5:29 pm

1 stop7h 29m

$619

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

jue. 6/26

9:00 am-10:38 pm

1 stop14h 38m

Idaho Falls Fanning Field

mar. 7/1

8:00 am-5:46 am

1 stop20h 46m

$636

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

vie. 6/13

2:26 pm-9:44 am

1 stop20h 18m

Idaho Falls Fanning Field

sáb. 6/21

5:00 am-4:35 pm

2 stops10h 35m

$648

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 18 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.

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 enero 21, 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 enero 21, 2025.
Read reviews from past customers who have flown Delta, Alaska Airlines 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.
8.0
Very good
9,696 reviews

Food

7.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 10

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

8.0
Very good
9,696 reviews
8.0
Very good
9,696 reviews

Food

7.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 10

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

8.0
Very good
8,521 reviews
8.0
Very good
9,696 reviews

Food

7.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 10

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

7.4
Good
8,982 reviews
8.0
Very good
9,696 reviews

Food

7.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 10

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

7.2
Good
10,000 reviews
8.0
Very good
9,696 reviews

Food

7.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 10

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 Alaska Airlines. According to our data, you can fly for as low as $230. Users have also found prices from $260 and $314 on American Airlines and United Airlines, respectively.

  • What are the most popular routes 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.

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 enero 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$324Average$637FlexibilityNo cancel feeOn-time69%
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