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$98+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BOI
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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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 November 20, 2024.

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 November 20, 2024.

This Delta deal was found by Cheapflights users on 11/20. 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.
Thu 12/127:20 pmBNA - GEG
1 stop6h 28mDelta
Sat 12/1412:52 pmGEG - BNA
1 stop7h 16mDelta
Deal found 11/20$196
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Wed 12/115:16 amTYS - BOI
1 stop9h 21mAmerican Airlines
Mon 1/137:00 amBOI - TYS
1 stop6h 25mAmerican Airlines
Deal found 11/20$263
This Delta deal was found by Cheapflights users on 11/19. 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.
Wed 12/115:20 amTYS - BOI
2 stops11h 11mDelta
Mon 1/131:35 pmBOI - TYS
1 stop8h 12mDelta
Deal found 11/19$268
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Wed 12/187:00 amCVG - JAC
1 stop6h 35mUnited Airlines
Wed 12/252:30 pmJAC - CVG
1 stop6h 22mUnited Airlines
Deal found 11/19$304
This Delta deal was found by Cheapflights users on 11/19. 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.
Thu 12/191:25 pmBNA - BOI
2 stops11h 34mDelta
Tue 12/242:35 pmBOI - BNA
1 stop7h 52mDelta
Deal found 11/19$315
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/257:00 amBNA - BOI
1 stop16h 56mAlaska Airlines
Sun 12/297:00 amBOI - BNA
1 stop21h 40mAlaska Airlines
Deal found 11/19$362
This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/56:16 amBNA - BOI
3 stops29h 42mSpirit Airlines
Mon 12/911:57 amBOI - BNA
2 stops23h 02mSpirit Airlines
Deal found 11/20$381
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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.
Fri 12/66:28 pmBNA - GEG
1 stop17h 22mAlaska Airlines
Tue 12/101:28 pmGEG - BNA
1 stop8h 31mAlaska Airlines
Deal found 11/18$387
This Southwest deal was found by Cheapflights users on 11/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/244:45 pmBNA - BOI
1 stop7h 15mSouthwest
Sun 12/297:55 pmBOI - BNA
1 stop12h 05mSouthwest
Deal found 11/19$398
This United deal was found by Cheapflights users on 11/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/146:00 amBNA - JAC
1 stop6h 35mUnited Airlines
Wed 12/187:00 amJAC - BNA
1 stop5h 38mUnited Airlines
Deal found 11/19$424
This Delta deal was found by Cheapflights users on 11/20. 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.
Sun 12/85:50 pmCVG - GEG
1 stop9h 20mDelta
Fri 12/137:15 amGEG - CVG
1 stop8h 01mDelta
Deal found 11/20$425
This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/213:57 pmBNA - BOI
2 stops20h 05mMultiple Airlines
Sat 1/49:29 pmBOI - BNA
2 stops18h 44mMultiple Airlines
Deal found 11/20$437

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Thu 12/12

7:20 pm-11:48 pm

1 stop6h 28m

Spokane

Sat 12/14

12:52 pm-10:08 pm

1 stop7h 16m

$196

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Thu 1/23

7:20 am-12:23 pm

1 stop6h 03m

Boise Air Term. Gowen Fld

Tue 1/28

2:25 pm-11:59 pm

1 stop8h 34m

$196

KnoxvilleBoise

TYS - BOI

TYSBOI

Knoxville McGhee Tyson

Wed 12/11

5:16 am-12:37 pm

1 stop9h 21m

Boise Air Term. Gowen Fld

Mon 1/13

7:00 am-5:27 pm

1 stop8h 27m

$263

KnoxvilleBoise

TYS - BOI

TYSBOI

Knoxville McGhee Tyson

Wed 12/11

5:20 am-2:31 pm

2 stops11h 11m

Boise Air Term. Gowen Fld

Mon 1/13

1:35 pm-11:47 pm

1 stop8h 12m

$268

CincinnatiSpokane

CVG - GEG

CVGGEG

Cincinnati Cinci./N. Kentucky

Wed 1/15

6:29 pm-11:43 pm

1 stop8h 14m

Spokane

Wed 1/22

6:00 am-5:29 pm

1 stop8h 29m

$278

CincinnatiSpokane

CVG - GEG

CVGGEG

Cincinnati Cinci./N. Kentucky

Wed 1/15

7:45 pm-10:51 pm

1 stop6h 06m

Spokane

Wed 1/22

5:35 am-6:14 pm

2 stops9h 39m

$283

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Fri 3/14

7:14 pm-10:24 am

2 stops16h 10m

Boise Air Term. Gowen Fld

Tue 3/18

10:21 am-11:59 pm

2 stops12h 38m

$292

CincinnatiJackson

CVG - JAC

CVGJAC

Cincinnati Cinci./N. Kentucky

Wed 12/18

7:00 am-11:35 am

1 stop6h 35m

Jackson Hole

Wed 12/25

2:30 pm-10:52 pm

1 stop6h 22m

$304

CincinnatiJackson

CVG - JAC

CVGJAC

Cincinnati Cinci./N. Kentucky

Thu 1/9

8:15 am-12:15 pm

1 stop6h 00m

Jackson Hole

Sun 1/12

1:10 pm-10:31 pm

1 stop7h 21m

$314

CincinnatiSpokane

CVG - GEG

CVGGEG

Cincinnati Cinci./N. Kentucky

Wed 1/15

7:15 am-9:10 pm

2 stops16h 55m

Spokane

Wed 1/22

7:20 am-8:45 pm

2 stops10h 25m

$316

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 60 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, January is the cheapest month in which you can book a flight from Kentucky to Idaho (average of $310). 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 November 20, 2024.

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 November 20, 2024.
Get a feel of what it's like to fly with American Airlines, United Airlines and Alaska 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.
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

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 Delta, which is currently one of the cheapest options available, starting at $98. Spirit Airlines flights start at $144 while deals on Southwest start at $158 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, January is the cheapest month in which you can book a flight from Kentucky to Idaho (average of $310). 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

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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.
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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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$260Average$466FlexibilityNo cancel feeOn-time71%
DeltaCheapest$265Average$518FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$324Average$683FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$381Average$426FlexibilityNo cancel feeOn-time63%
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