How long is the flight from Kentucky to Idaho?

Airlines like Delta, Alaska Airlines, and American Airlines fly from Kentucky to Idaho in about 7h 17m. The time it takes to get you to your destination can typically vary by up to 27m. Kentucky and Idaho are separated by a distance of 1638 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines to fly from Kentucky to Idaho one-way?

To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $130. Delta flights start at $134 while deals on Southwest start at $153 one-way.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

If weather is an important factor for your trip to Idaho, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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

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

How can I find direct flights from Kentucky to Idaho?

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

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

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

$89+ Flights from Kentucky to Idaho

Q: How much does it cost to fly round-trip from Kentucky to Idaho?

Airfare is below average for this route at the moment. Kentucky to Idaho flights typically cost between $586 and $1,006 in February. The cheapest round-trip price found within the last 3 days was $367 on American Airlines (Feb 3-Feb 10).

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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheap flight deals from Kentucky to Idaho

Cheapest flights from Kentucky to Idaho
Explore the most affordable flight options available from Kentucky to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

Thu 12/258:05 amCVG - GEG

2 stops9h 46mDelta

Thu 1/16:00 amGEG - CVG

1 stop6h 48mDelta

Deal found 12/13

$344

Sun 12/218:10 amCVG - JAC

1 stop6h 50mDelta

Sat 12/2712:50 pmJAC - CVG

1 stop8h 13mDelta

Deal found 12/13

$384

Tue 12/306:10 amCVG - GEG

1 stop7h 57mFrontier

Sat 1/312:02 pmGEG - CVG

1 stop11h 06mFrontier

Deal found 12/14

$407

Wed 12/242:21 pmBNA - BOI

1 stop8h 10mUnited Airlines

Thu 1/16:55 pmBOI - BNA

1 stop10h 31mUnited Airlines

Deal found 12/12

$420

Tue 12/237:14 amBNA - JAC

1 stop5h 41mDelta

Thu 12/252:31 pmJAC - BNA

1 stop7h 13mDelta

Deal found 12/13

$439

Thu 12/257:00 amBNA - BOI

1 stop6h 45mDelta

Sun 12/281:00 pmBOI - BNA

1 stop8h 02mDelta

Deal found 12/14

$460

Wed 12/245:50 pmBNA - BOI

1 stop6h 20mSouthwest

Thu 1/15:15 amBOI - BNA

2 stops8h 00mSouthwest

Deal found 12/12

$465

Wed 12/244:28 pmCVG - GEG

2 stops8h 36mDelta

Sun 12/2810:33 pmGEG - CVG

1 stop8h 04mDelta

Deal found 12/13

$474

Wed 12/247:00 amBNA - JAC

1 stop7h 21mDelta

Mon 12/291:55 pmJAC - BNA

1 stop7h 24mDelta

Deal found 12/13

$499

Sat 12/208:00 amCVG - JAC

1 stop7h 21mDelta

Tue 12/231:55 pmJAC - CVG

1 stop7h 36mDelta

Deal found 12/15

$499

Sat 12/139:00 amSDF - JAC

1 stop8h 24mUnited Airlines

Sat 12/201:00 pmJAC - SDF

1 stop6h 54mUnited Airlines

Deal found 12/13

$499

Thu 12/258:00 amCVG - GEG

1 stop7h 45mUnited Airlines

Thu 1/15:05 amGEG - CVG

1 stop6h 17mUnited Airlines

Deal found 12/13

$501

Best flights from Kentucky to Idaho
Discover carefully curated flight deals from Kentucky to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

Tue 1/134:55 pmBNA - BOI

1 stop7h 17mDelta

Fri 1/163:01 pmBOI - BNA

1 stop5h 51mDelta

Deal found 12/13

$217

Tue 1/66:30 amBNA - BOI

1 stop10h 40mUnited Airlines

Fri 1/912:19 pmBOI - BNA

1 stop6h 14mUnited Airlines

Deal found 12/14

$217

Fri 1/237:00 amBNA - GEG

1 stop7h 44mAlaska Airlines

Mon 1/269:05 amGEG - BNA

1 stop12h 52mAlaska Airlines

Deal found 12/13

$236

Tue 1/131:25 pmBNA - GEG

1 stop7h 24mAmerican Airlines

Tue 1/206:33 amGEG - BNA

1 stop6h 55mAmerican Airlines

Deal found 12/14

$237

Mon 1/124:55 pmBNA - BOI

1 stop7h 17mDelta

Thu 1/1510:39 amBOI - BNA

1 stop9h 49mDelta

Deal found 12/13

$217

Fri 1/92:52 pmBNA - BOI

1 stop9h 05mUnited Airlines

Mon 1/122:20 pmBOI - BNA

1 stop7h 24mUnited Airlines

Deal found 12/14

$217

Thu 1/225:00 pmBNA - GEG

1 stop8h 11mAmerican Airlines

Mon 1/266:33 amGEG - BNA

1 stop6h 55mAmerican Airlines

Deal found 12/13

$237

Thu 1/157:35 amBNA - BOI

1 stop9h 42mDelta

Sat 1/173:01 pmBOI - BNA

1 stop5h 51mDelta

Deal found 12/13

$217

Fri 1/236:30 amBNA - BOI

1 stop10h 40mUnited Airlines

Sat 1/312:37 pmBOI - BNA

1 stop6h 13mUnited Airlines

Deal found 12/14

$217

Sat 1/108:00 amCVG - GEG

1 stop7h 44mAlaska Airlines

Thu 1/157:30 amGEG - CVG

1 stop9h 19mAlaska Airlines

Deal found 12/14

$256

Mon 1/127:00 amBNA - BOI

1 stop8h 02mDelta

Wed 1/211:40 pmBOI - BNA

1 stop9h 33mDelta

Deal found 12/13

$217

Sat 1/108:00 amCVG - GEG

1 stop7h 44mAlaska Airlines

Sat 1/176:29 pmGEG - CVG

1 stop22h 20mAlaska Airlines

Deal found 12/14

$256

Sat 1/108:22 amBNA - GEG

1 stop6h 24mUnited Airlines

Mon 1/1212:24 pmGEG - BNA

1 stop8h 20mUnited Airlines

Deal found 12/14

$237

Sun 1/187:00 amBNA - BOI

1 stop8h 02mDelta

Wed 1/211:40 pmBOI - BNA

1 stop9h 33mDelta

Deal found 12/13

$217

Thu 1/88:00 amCVG - GEG

1 stop7h 44mAlaska Airlines

Mon 1/129:05 amGEG - CVG

1 stop7h 44mAlaska Airlines

Deal found 12/12

$256

Fri 5/152:45 pmTYS - BOI

2 stops10h 45mSouthwest

Thu 5/216:00 amBOI - TYS

2 stops12h 20mSouthwest

Deal found 12/14

$635

Wed 1/147:35 amBNA - BOI

1 stop9h 42mDelta

Fri 1/163:01 pmBOI - BNA

1 stop5h 51mDelta

Deal found 12/13

$217

Mon 1/124:55 pmBNA - BOI

1 stop7h 17mDelta

Tue 1/203:03 pmBOI - BNA

1 stop5h 49mDelta

Deal found 12/13

$217

Wed 1/147:00 amCVG - JAC

1 stop6h 22mUnited Airlines

Sun 1/187:00 amJAC - CVG

1 stop5h 27mUnited Airlines

Deal found 12/14

$276

Sun 1/48:23 amCVG - JAC

1 stop8h 08mAmerican Airlines

Fri 1/91:42 pmJAC - CVG

1 stop6h 18mAmerican Airlines

Deal found 12/13

$335

Thu 1/157:35 amBNA - BOI

1 stop9h 42mDelta

Tue 1/201:40 pmBOI - BNA

1 stop9h 33mDelta

Deal found 12/13

$217

Fri 1/98:22 amBNA - JAC

1 stop5h 59mUnited Airlines

Mon 1/122:40 pmJAC - BNA

1 stop6h 10mUnited Airlines

Deal found 12/13

$281

Wed 1/145:15 amBNA - BOI

1 stop8h 31mDelta

Wed 1/211:40 pmBOI - BNA

1 stop9h 33mDelta

Deal found 12/13

$217

Mon 1/123:18 pmCVG - JAC

2 stops23h 44mAmerican Airlines

Sun 1/182:10 pmJAC - CVG

1 stop6h 49mAmerican Airlines

Deal found 12/14

$355

Thu 1/227:00 amBNA - IDA

1 stop12h 18mAlaska Airlines

Thu 2/59:00 amIDA - BNA

1 stop13h 57mAlaska Airlines

Deal found 12/14

$326

Fri 1/238:22 amBNA - JAC

1 stop5h 59mUnited Airlines

Tue 1/272:40 pmJAC - BNA

1 stop6h 10mUnited Airlines

Deal found 12/15

$289

Sun 1/257:35 amBNA - GEG

1 stop9h 25mDelta

Fri 1/306:30 amGEG - BNA

1 stop9h 09mDelta

Deal found 12/13

$237

Sat 4/259:00 amSDF - JAC

1 stop8h 23mUnited Airlines

Fri 5/12:30 pmJAC - SDF

1 stop5h 27mUnited Airlines

Deal found 12/15

$293

Tue 1/207:00 amBNA - GEG

1 stop8h 03mDelta

Sun 1/252:00 pmGEG - BNA

1 stop5h 52mDelta

Deal found 12/15

$237

Fri 2/207:00 amBNA - IDA

1 stop17h 36mAlaska Airlines

Tue 2/248:00 amIDA - BNA

1 stop14h 59mAlaska Airlines

Deal found 12/12

$384

Last-minute flights from Kentucky to Idaho
Discover last-minute flight deals from Kentucky to Idaho. Data last updated December 15, 2025 and is based on user searches.

Wed 1/76:45 amCVG - GEG

1 stop8h 52mDelta

Mon 1/122:00 pmGEG - CVG

1 stop5h 35mDelta

Deal found 12/14

$257

Thu 1/88:00 amCVG - GEG

1 stop7h 44mAlaska Airlines

Mon 1/129:05 amGEG - CVG

1 stop7h 44mAlaska Airlines

Deal found 12/14

$256

Tue 1/135:15 amBNA - BOI

1 stop8h 31mDelta

Thu 1/151:40 pmBOI - BNA

1 stop6h 48mDelta

Deal found 12/13

$217

Tue 1/138:25 amBNA - BOI

2 stops10h 10mDelta

Fri 1/163:01 pmBOI - BNA

1 stop5h 51mDelta

Deal found 12/13

$222

Tue 1/138:25 amBNA - BOI

2 stops10h 10mDelta

Sat 1/1710:39 amBOI - BNA

2 stops10h 51mDelta

Deal found 12/13

$227

Fri 1/167:35 amBNA - BOI

1 stop15h 23mDelta

Wed 1/213:03 pmBOI - BNA

1 stop5h 49mDelta

Deal found 12/13

$252

Sat 1/177:00 amBNA - BOI

1 stop9h 10mAlaska Airlines

Sun 1/181:55 pmBOI - BNA

1 stop9h 02mAlaska Airlines

Deal found 12/13

$215

Thu 1/225:00 pmBNA - GEG

1 stop8h 11mAmerican Airlines

Mon 1/266:33 amGEG - BNA

1 stop6h 55mAmerican Airlines

Deal found 12/15

$237

Thu 1/222:25 pmBNA - GEG

2 stops11h 34mDelta

Mon 1/264:55 pmGEG - BNA

2 stops13h 24mDelta

Deal found 12/15

$247

Thu 1/227:00 amBNA - GEG

1 stop7h 44mAlaska Airlines

Mon 1/261:38 pmGEG - BNA

1 stop8h 19mAlaska Airlines

Deal found 12/14

$257

Fri 1/237:00 amBNA - GEG

1 stop7h 44mAlaska Airlines

Mon 1/2612:10 pmGEG - BNA

1 stop9h 47mAlaska Airlines

Deal found 12/15

$236

Mon 1/267:15 amBNA - JAC

1 stop5h 43mDelta

Wed 2/412:58 pmJAC - BNA

1 stop8h 32mDelta

Deal found 12/14

$257

One-way flights from Kentucky to Idaho
Search for one-way flight options from Kentucky to Idaho. Find affordable one-way fares based on user searches. Data last updated December 15, 2025.

Thu 1/86:10 amCVG - GEG

1 stop9h 14mFrontier

Deal found 12/14

$89

Thu 1/1512:46 pmCVG - GEG

1 stop8h 35mFrontier

Deal found 12/15

$91

Sun 1/46:10 amCVG - GEG

1 stop7h 57mFrontier

Deal found 12/12

$92

Thu 1/17:15 amCVG - GEG

1 stop11h 38mFrontier

Deal found 12/14

$98

Mon 1/197:00 amBNA - BOI

1 stop7h 34mDelta

Deal found 12/13

$109

Thu 2/197:00 amCVG - GEG

1 stop7h 27mFrontier

Deal found 12/13

$112

Wed 1/71:36 pmCVG - GEG

2 stops25h 48mFrontier

Deal found 12/12

$113

Sun 12/216:10 amCVG - GEG

1 stop7h 57mFrontier

Deal found 12/14

$116

Sun 1/252:10 pmCVG - GEG

1 stop8h 58mMultiple Airlines

Deal found 12/14

$118

Sun 2/82:10 pmCVG - GEG

1 stop8h 58mMultiple Airlines

Deal found 12/13

$119

Thu 1/2910:15 amCVG - GEG

1 stop12h 53mAllegiant Air

Deal found 12/13

$121

Tue 1/136:00 amBNA - JAC

1 stop6h 22mUnited Airlines

Deal found 12/14

$139

Find flight deals from Kentucky to Idaho

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$182 (Expedia)
One-way from	$89 (WAYA)
Popular in	December
Cheapest in	September
Average price	$778

Provider with most accurate pricing for Louisville Intl-Boise Air Term. Gowen Fld flight deals.

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Provider most trusted by Cheapflights users for Louisville Intl-Boise Air Term. Gowen Fld flights.

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From Kentucky to Idaho

Search Deals

One-way flight from Kentucky to Idaho

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($67 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($30 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Tue 1/13

4:55 pm-11:12 pm

1 stop7h 17m

Boise Air Term. Gowen Fld

Fri 1/16

3:01 pm-9:52 pm

1 stop5h 51m

$217

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Tue 1/6

6:30 am-4:10 pm

1 stop10h 40m

Boise Air Term. Gowen Fld

Fri 1/9

12:19 pm-7:33 pm

1 stop6h 14m

$217

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Mon 1/12

4:55 pm-11:12 pm

1 stop7h 17m

Boise Air Term. Gowen Fld

Thu 1/15

10:39 am-9:28 pm

1 stop9h 49m

$217

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Fri 1/9

2:52 pm-10:57 pm

1 stop9h 05m

Boise Air Term. Gowen Fld

Mon 1/12

2:20 pm-10:44 pm

1 stop7h 24m

$217

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Thu 1/15

7:35 am-4:17 pm

1 stop9h 42m

Boise Air Term. Gowen Fld

Sat 1/17

3:01 pm-9:52 pm

1 stop5h 51m

$217

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Fri 1/23

6:30 am-4:10 pm

1 stop10h 40m

Boise Air Term. Gowen Fld

Sat 1/31

2:37 pm-9:50 pm

1 stop6h 13m

$217

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Mon 1/12

7:00 am-2:02 pm

1 stop8h 02m

Boise Air Term. Gowen Fld

Wed 1/21

1:40 pm-12:13 am

1 stop9h 33m

$217

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Sun 1/18

7:00 am-2:02 pm

1 stop8h 02m

Boise Air Term. Gowen Fld

Wed 1/21

1:40 pm-12:13 am

1 stop9h 33m

$217

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Wed 1/14

7:35 am-4:17 pm

1 stop9h 42m

Boise Air Term. Gowen Fld

Fri 1/16

3:01 pm-9:52 pm

1 stop5h 51m

$217

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Mon 1/12

4:55 pm-11:12 pm

1 stop7h 17m

Boise Air Term. Gowen Fld

Tue 1/20

3:03 pm-9:52 pm

1 stop5h 49m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 60 results

...

Best time to book a flight from Kentucky to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho 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

What is the cheapest month to book a flight from Kentucky to Idaho?

Currently, August is the cheapest month in which you can book a flight from Kentucky to Idaho (average of $196). Flying from Kentucky to Idaho in November is currently the most expensive (average of $343). 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 ID?

One of the essential ways to save on airfare from Kentucky to Idaho is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 39% on airfare.

How much does it cost to fly round-trip from Kentucky to Idaho?

Reviews of airlines servicing Idaho

See what other customers who have flown with Southwest, Delta, and United Airlines from Kentucky to Idaho have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,250 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,007 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,092 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,052 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

How long is the flight from Kentucky to Idaho?
Airlines like Delta, Alaska Airlines, and American Airlines fly from Kentucky to Idaho in about 7h 17m. The time it takes to get you to your destination can typically vary by up to 27m. Kentucky and Idaho are separated by a distance of 1638 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines to fly from Kentucky to Idaho one-way?
To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $130. Delta flights start at $134 while deals on Southwest start at $153 one-way.
Can I find deals for flights from Kentucky to Idaho that include hotel bookings?
Yes. In addition to deals on Kentucky to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kentucky to Idaho?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kentucky to Idaho.
Can I find deals for business class flights from Kentucky to Idaho?
Yes. Cheapflights offers flight deals from Kentucky to Idaho 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?
Currently, August is the cheapest month in which you can book a flight from Kentucky to Idaho (average of $196). Flying from Kentucky to Idaho in November is currently the most expensive (average of $343). 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

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Kentucky to Idaho

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$196	Average$402	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$287	Average$470	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$343	Average$564	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$346	Average$428	FlexibilityNo cancel fee	On-time63%

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$89+ Cheap flights from Kentucky to Idaho

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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Kentucky to Idaho

Cheapest flights from Kentucky to IdahoExplore the most affordable flight options available from Kentucky to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

Explore the most affordable flight options available from Kentucky to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

Find flight deals from Kentucky to Idaho

Keep the following information in mind while searching for Kentucky to Idaho flight deals. Data was last updated December 15, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Kentucky to Idaho

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

Cheapflights Insights

Everything you need to know about your flight from Kentucky to Idaho

What is the cheapest month to book a flight from Kentucky to Idaho?

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

Find hourly flight availability from Kentucky to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

How much does it cost to fly round-trip from Kentucky to Idaho?

Reviews of airlines servicing Idaho

See what other customers who have flown with Southwest, Delta, and United Airlines from Kentucky to Idaho have to say. 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

Find useful and relevant information for your journey from Kentucky to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Kentucky to Idaho?

What are the cheapest airlines to fly from Kentucky to Idaho one-way?

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

How can I find direct flights from Kentucky to Idaho?

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

What is the cheapest month to book a flight from Kentucky to Idaho?

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 Kentucky to Idaho

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

Top 4 airlines flying from Kentucky to Idaho

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Cheapest flights from Kentucky to Idaho
Explore the most affordable flight options available from Kentucky to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.