How long is the flight from Idaho Falls to Kentucky?

Airlines like United Airlines fly from Idaho Falls to Kentucky in about 6h 01m. The time it takes to get you to your destination can typically vary by up to . The distance between Idaho Falls and Kentucky is about 1477 mi.

In terms of precipitation, rainfall in Kentucky ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Kentucky when rainfall is around 3.1 in.

If weather is an important factor for your trip to Kentucky, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

While some choose either Idaho Falls Fanning Field - Cincinnati Cinci./N. Kentucky or Idaho Falls Fanning Field - Lexington Blue Grass, Idaho Falls Fanning Field - Nashville Intl is the most popular route from Idaho Falls to Kentucky.

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

When flying from Idaho Falls to Kentucky, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

For a flight from Idaho Falls to Kentucky, you will be flying from Fanning Field. Idaho Falls Fanning Field (IDA) is just 3.8 mi from the center of the city.

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

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

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

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

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

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

$429+ Cheap Flights from Idaho Falls to Kentucky

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Cheap flight deals from Idaho Falls to Kentucky

Cheapest

Best

Last-minute

One-way

Cheapest flights from Idaho Falls to Kentucky
Explore the most affordable flight options available from Idaho Falls to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.

Tue 11/101:35 pm -

1 stop7h 01m

Sat 11/143:54 pm -

1 stop7h 49m

Deal found 10/26

$429

Tue 11/102:35 pm -

1 stop6h 01m

Sat 11/149:00 am -

2 stops8h 38m

Deal found 10/26

$434

Sun 12/202:37 pm -

1 stop5h 53m

Wed 12/238:00 am -

1 stop7h 28m

Deal found 10/28

$677

Thu 12/105:35 pm -

2 stops13h 12m

Thu 12/1711:17 am -

2 stops14h 39m

Deal found 10/26

$687

Wed 11/252:35 pm -

1 stop6h 01m

Sun 11/299:00 am -

1 stop6h 28m

Deal found 10/27

$1,124

Thu 10/291:39 pm -

1 stop6h 31m

Sun 11/111:14 am -

2 stops12h 29m

Deal found 10/26

$1,144

Last-minute flights from Idaho Falls to Kentucky
Discover last-minute flight deals from Idaho Falls to Kentucky. Data last updated October 30, 2026 and is based on user searches.

Thu 10/291:39 pm -

1 stop6h 31m

Sun 11/111:14 am -

2 stops12h 29m

Deal found 10/26

$1,144

Fri 10/306:37 am -

2 stops15h 32m

Sun 11/15:14 am -

2 stops9h 51m

Deal found 10/26

$1,456

Fri 10/302:35 pm -

1 stop6h 01m

Sun 11/19:00 am -

1 stop6h 28m

Deal found 10/26

$1,463

Tue 11/101:35 pm -

1 stop7h 01m

Sat 11/143:54 pm -

1 stop7h 49m

Deal found 10/26

$429

Tue 11/102:35 pm -

1 stop6h 01m

Sat 11/149:00 am -

2 stops8h 38m

Deal found 10/26

$434

Wed 11/252:35 pm -

1 stop6h 01m

Sun 11/299:00 am -

1 stop6h 28m

Deal found 10/27

$1,124

Find flight deals from Idaho Falls to Kentucky

Most accurate provider	FlightHub 3 stars
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Round-trip from	$429 (American Airlines)

Provider with most accurate pricing for Idaho Falls Fanning Field-Louisville Intl flight deals.

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From Idaho Falls Fanning Field to Kentucky

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Use the filters below to find and compare flights from Idaho Falls to Kentucky that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Idaho FallsLexington

IDA Idaho Falls Fanning Field - LEX Lexington Blue Grass

IDALEX

Idaho Falls Fanning Field

Tue 11/10

2:35 pm-10:36 pm

1 stop6h 01m

Lexington Blue Grass

Sat 11/14

9:00 am-3:38 pm

2 stops8h 38m

$434

Idaho FallsLouisville

IDA Idaho Falls Fanning Field - SDF Louisville Intl

IDASDF

Idaho Falls Fanning Field

Sat 1/23

2:30 pm-10:30 pm

1 stop6h 00m

Louisville Intl

Wed 1/27

9:00 am-1:28 pm

1 stop6h 28m

$469

Idaho FallsLexington

IDA Idaho Falls Fanning Field - LEX Lexington Blue Grass

IDALEX

Idaho Falls Fanning Field

Wed 1/6

2:30 pm-10:15 pm

1 stop5h 45m

Lexington Blue Grass

Sat 1/9

8:20 am-1:28 pm

1 stop7h 08m

$514

Quickest round-trip

Idaho FallsLexington

IDA Idaho Falls Fanning Field - LEX Lexington Blue Grass

IDALEX

Idaho Falls Fanning Field

Wed 11/25

10:35 am-11:54 pm

2 stops11h 19m

Lexington Blue Grass

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$681

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Sorted by cheapest first

Best time to book a flight from Idaho Falls to Kentucky

Have a flexible travel schedule? Discover the best time to fly to Kentucky from Idaho Falls with our price prediction graph.

IDA-LEX

IDA-SDF

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 Idaho Falls to Kentucky

IDA-USKY

IDA-LEX

IDA-SDF

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Kentucky

Read through reviews of airlines operating flights from Idaho Falls to Kentucky, such as United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.3

Good

10,451 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

United Airlines

7.3

Good

10,451 reviews

United Airlines

7.3

Good

10,451 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Related info for your journey

What airport do you fly from for flights from Idaho Falls to Kentucky?
For a flight from Idaho Falls to Kentucky, you will be flying from Fanning Field. Idaho Falls Fanning Field (IDA) is just 3.8 mi from the center of the city.
How long is the flight from Idaho Falls to Kentucky?
Airlines like United Airlines fly from Idaho Falls to Kentucky in about 6h 01m. The time it takes to get you to your destination can typically vary by up to . The distance between Idaho Falls and Kentucky is about 1477 mi.
What are the most popular routes from Idaho Falls to Kentucky?
While some choose either Idaho Falls Fanning Field - Cincinnati Cinci./N. Kentucky or Idaho Falls Fanning Field - Lexington Blue Grass, Idaho Falls Fanning Field - Nashville Intl is the most popular route from Idaho Falls to Kentucky.
Can I find deals for flights from Idaho Falls to Kentucky that include hotel bookings?
Yes. In addition to deals on Idaho Falls to Kentucky flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Idaho Falls to Kentucky?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Kentucky.
Can I find deals for business class flights from Idaho Falls to Kentucky?
Yes. Cheapflights offers flight deals from Idaho Falls to Kentucky by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Idaho Falls to Kentucky

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$268	Average$508	FlexibilityNo cancel fee	On-time69%

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$429+ Cheap flights from Idaho Falls (IDA) to Kentucky

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Idaho Falls to Kentucky with Cheapflights

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Cheap flight deals from Idaho Falls to Kentucky

Cheapest flights from Idaho Falls to KentuckyExplore the most affordable flight options available from Idaho Falls to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.

Explore the most affordable flight options available from Idaho Falls to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.

Best flights from Idaho Falls to KentuckyDiscover carefully curated flight deals from Idaho Falls to Kentucky that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.

Discover carefully curated flight deals from Idaho Falls to Kentucky that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.

Last-minute flights from Idaho Falls to KentuckyDiscover last-minute flight deals from Idaho Falls to Kentucky. Data last updated October 30, 2026 and is based on user searches.

Discover last-minute flight deals from Idaho Falls to Kentucky. Data last updated October 30, 2026 and is based on user searches.

One-way flights from Idaho Falls to KentuckySearch for one-way flight options from Idaho Falls to Kentucky. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.

Search for one-way flight options from Idaho Falls to Kentucky. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.

Find flight deals from Idaho Falls to Kentucky

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Round-trip from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho Falls to Kentucky that are best for you.

Best time to book a flight from Idaho Falls to Kentucky

Have a flexible travel schedule? Discover the best time to fly to Kentucky from Idaho Falls with our price prediction graph.

Cheapflights Insights

Reviews of airlines servicing Kentucky

Read through reviews of airlines operating flights from Idaho Falls to Kentucky, such as United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from Idaho Falls to Kentucky?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho Falls to Kentucky

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Kentucky by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Idaho Falls to Kentucky by cabin class

Find flights from Idaho Falls to Kentucky, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Idaho Falls and Kentucky flights

Browse other Idaho Falls and Kentucky flight options. Last updated on October 30, 2026.

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Cheapest flights from Idaho Falls to Kentucky
Explore the most affordable flight options available from Idaho Falls to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.

Best flights from Idaho Falls to Kentucky
Discover carefully curated flight deals from Idaho Falls to Kentucky that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.

Last-minute flights from Idaho Falls to Kentucky
Discover last-minute flight deals from Idaho Falls to Kentucky. Data last updated October 30, 2026 and is based on user searches.

One-way flights from Idaho Falls to Kentucky
Search for one-way flight options from Idaho Falls to Kentucky. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.