Idaho

$104+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BOI
Jan 26 — Feb 21
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Cheap flight deals from Kentucky to Idaho

Discover tips and strategies to find the most affordable flight options for your journey from Kentucky (USKY) to Idaho (USID). 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 January 21, 2025.

Round-trip from

$207
(CheapOair)

One-way from

$109
(CheapOair)
From Kentucky to Idaho
One-way flight from Kentucky to Idaho

Find 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 January 21, 2025.

This CheapOair deal was found by Cheapflights users on 1/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/277:49 pmBNA - BOI
1 stop23h 57mSpirit Airlines
Sun 3/27:41 pmBOI - BNA
1 stop8h 25mSpirit Airlines
Deal found 1/21$207
This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/117:00 amCVG - BOI
1 stop15h 15mDelta
Wed 2/125:45 amBOI - CVG
1 stop11h 00mDelta
Deal found 1/21$283
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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.
Tue 4/156:36 pmCVG - GEG
1 stop7h 28mAlaska Airlines
Sat 4/196:00 amGEG - CVG
1 stop8h 36mAlaska Airlines
Deal found 1/21$306
This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/195:50 amBNA - GEG
1 stop9h 25mDelta
Tue 3/112:00 pmGEG - BNA
1 stop6h 17mDelta
Deal found 1/21$307
This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/87:50 pmCVG - GEG
1 stop5h 47mDelta
Sat 4/191:30 pmGEG - CVG
1 stop6h 41mDelta
Deal found 1/21$307
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.
Wed 3/267:20 amBNA - BOI
1 stop9h 40mDelta
Sat 3/294:40 pmBOI - BNA
1 stop6h 38mDelta
Deal found 1/20$313
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 2/56:29 pmCVG - BOI
1 stop7h 29mAlaska Airlines
Wed 2/128:00 amBOI - CVG
1 stop7h 29mAlaska Airlines
Deal found 1/21$319
This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/197:05 amBNA - JAC
1 stop6h 03mDelta
Sat 4/267:15 amJAC - BNA
1 stop5h 33mDelta
Deal found 1/21$321
This Southwest deal was found by Cheapflights users on 1/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/83:45 pmBNA - GEG
1 stop6h 55mSouthwest
Sat 2/155:00 amGEG - BNA
1 stop11h 20mSouthwest
Deal found 1/21$327
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Tue 2/256:32 amBNA - JAC
1 stop8h 56mUnited Airlines
Sat 3/17:00 amJAC - BNA
1 stop5h 24mUnited Airlines
Deal found 1/21$343
This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/127:30 amLEX - BOI
2 stops14h 56mDelta
Sun 3/2311:30 pmBOI - LEX
1 stop8h 12mDelta
Deal found 1/21$349
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/147:40 pmCVG - GEG
1 stop6h 25mSouthwest
Fri 2/215:10 amGEG - CVG
1 stop10h 45mSouthwest
Deal found 1/20$353

Find flights from Kentucky to Idaho within your budget

Customize your flight search to find flights from Kentucky to Idaho 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Thu 2/27

7:49 pm-6:46 pm

1 stop23h 57m

Boise Air Term. Gowen Fld

Sun 3/2

7:41 pm-5:06 am

1 stop8h 25m

$207

CincinnatiBoise

CVG - BOI

CVGBOI

Cincinnati Cinci./N. Kentucky

Tue 2/11

7:00 am-6:50 pm

1 stop13h 50m

Boise Air Term. Gowen Fld

Wed 2/12

9:25 am-6:45 pm

1 stop7h 20m

$283

CincinnatiSpokane

CVG - GEG

CVGGEG

Cincinnati Cinci./N. Kentucky

Tue 4/15

6:36 pm-11:04 pm

1 stop7h 28m

Spokane

Sat 4/19

6:00 am-5:36 pm

1 stop8h 36m

$306

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Wed 2/19

5:50 am-1:15 pm

1 stop9h 25m

Spokane

Tue 3/11

12:50 pm-11:07 pm

1 stop8h 17m

$307

CincinnatiSpokane

CVG - GEG

CVGGEG

Cincinnati Cinci./N. Kentucky

Tue 4/8

7:50 pm-10:37 pm

1 stop5h 47m

Spokane

Sat 4/19

1:30 pm-11:11 pm

1 stop6h 41m

$307

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Wed 3/26

6:58 pm-12:13 am

1 stop6h 15m

Boise Air Term. Gowen Fld

Sat 3/29

4:40 pm-12:18 am

1 stop6h 38m

$313

CincinnatiBoise

CVG - BOI

CVGBOI

Cincinnati Cinci./N. Kentucky

Wed 2/5

6:29 pm-11:58 pm

1 stop7h 29m

Boise Air Term. Gowen Fld

Wed 2/12

8:00 am-5:29 pm

1 stop7h 29m

$319

NashvilleJackson

BNA - JAC

BNAJAC

Nashville Intl

Sat 4/19

7:05 am-12:08 pm

1 stop6h 03m

Jackson Hole

Sat 4/26

7:15 am-1:48 pm

1 stop5h 33m

$321

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Sat 2/8

3:45 pm-8:40 pm

1 stop6h 55m

Spokane

Sat 2/15

5:00 am-6:20 pm

1 stop11h 20m

$327

NashvilleJackson

BNA - JAC

BNAJAC

Nashville Intl

Tue 2/25

6:32 am-2:28 pm

1 stop8h 56m

Jackson Hole

Sat 3/1

7:00 am-1:24 pm

1 stop5h 24m

$343

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 51 results
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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.

Travel insights for flights from Kentucky to Idaho

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

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

Currently, October is the cheapest month in which you can book a flight from Kentucky to Idaho (average of $314). Flying from Kentucky to Idaho in June is currently the most expensive (average of $436). 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?

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 January 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 as you normally would.

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

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.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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. Reviews last updated January 21, 2025.
Get a feel of what it's like to fly with Delta, Alaska Airlines and American Airlines from Kentucky to Idaho by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
4,662 reviews

Crew

8.7

Entertainment

7.7

Overall

8.1

Boarding

8.2

Food

7.2

Comfort

8.1

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

8.1
Very good
4,662 reviews
8.1
Very good
4,662 reviews

Crew

8.7

Entertainment

7.7

Overall

8.1

Boarding

8.2

Food

7.2

Comfort

8.1

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

8.0
Very good
9,706 reviews
8.1
Very good
4,662 reviews

Crew

8.7

Entertainment

7.7

Overall

8.1

Boarding

8.2

Food

7.2

Comfort

8.1

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

8.0
Very good
8,521 reviews
8.1
Very good
4,662 reviews

Crew

8.7

Entertainment

7.7

Overall

8.1

Boarding

8.2

Food

7.2

Comfort

8.1

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

7.4
Good
8,984 reviews
8.1
Very good
4,662 reviews

Crew

8.7

Entertainment

7.7

Overall

8.1

Boarding

8.2

Food

7.2

Comfort

8.1

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

7.2
Good
10,000 reviews
8.1
Very good
4,662 reviews

Crew

8.7

Entertainment

7.7

Overall

8.1

Boarding

8.2

Food

7.2

Comfort

8.1

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $109. American Airlines flights start at $159 while deals on Delta start at $159 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, October is the cheapest month in which you can book a flight from Kentucky to Idaho (average of $314). Flying from Kentucky to Idaho in June is currently the most expensive (average of $436). 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

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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

Discover the top 4 airlines that operate flights from Kentucky to Idaho. 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$260Average$469FlexibilityNo cancel feeOn-time71%
DeltaCheapest$265Average$442FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$324Average$683FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$381Average$426FlexibilityNo cancel feeOn-time63%
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