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$259+ Cheap flights from Lexington (LEX) 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — BOI
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Lexington to Idaho

Keep the following information in mind while searching for Lexington to Idaho flight deals. Data was last updated September 17, 2025.

Round-trip from

$299
(Delta)

One-way from

$259
(American Airlines)

Popular in

October

Cheapest in

July

Average price

$438
From Lexington Blue Grass to Idaho
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One-way flight from Lexington Blue Grass to Idaho
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Highest demand for flights based on searches. 19% potential increase in price ($127 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Lexington to Idaho

Cheapest flights from Lexington to Idaho
Explore the most affordable flight options available from Lexington to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Delta deal was found by Cheapflights users on 9/17. 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 12/166:00 amLEX - BOI
2 stops10h 17mDelta
Wed 12/241:00 pmBOI - LEX
2 stops8h 05mDelta
Deal found 9/17$299
This Delta deal was found by Cheapflights users on 9/15. 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 10/75:54 pmLEX - GEG
2 stops8h 49mDelta
Fri 10/177:05 pmGEG - LEX
2 stops11h 15mDelta
Deal found 9/15$299
This Delta deal was found by Cheapflights users on 9/14. 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 11/1510:12 amLEX - IDA
2 stops14h 21mDelta
Tue 11/186:57 pmIDA - LEX
2 stops12h 30mDelta
Deal found 9/14$334
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/225:29 amLEX - GEG
1 stop9h 14mAmerican Airlines
Mon 10/2712:33 pmGEG - LEX
1 stop8h 24mAmerican Airlines
Deal found 9/16$339
This Delta deal was found by Cheapflights users on 9/16. 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.
Mon 12/153:38 pmLEX - BOI
2 stops10h 32mDelta
Tue 12/3011:42 pmBOI - LEX
1 stop8h 10mDelta
Deal found 9/16$344
This Delta deal was found by Cheapflights users on 9/16. 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 10/227:17 amLEX - GEG
1 stop7h 24mDelta
Mon 10/277:23 pmGEG - LEX
2 stops10h 57mDelta
Deal found 9/16$344
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/149:47 pmLEX - BOI
1 stop19h 57mAllegiant Air
Fri 12/269:46 pmBOI - LEX
1 stop21h 45mAllegiant Air
Deal found 9/16$371
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/149:47 pmLEX - BOI
1 stop19h 57mAllegiant Air
Mon 12/299:46 pmBOI - LEX
1 stop21h 46mAllegiant Air
Deal found 9/16$375
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/182:32 pmLEX - BOI
1 stop27h 12mAllegiant Air
Fri 12/269:46 pmBOI - LEX
1 stop21h 45mAllegiant Air
Deal found 9/16$379
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 9/237:27 amLEX - JAC
1 stop9h 10mAmerican Airlines
Thu 10/23:19 pmJAC - LEX
1 stop6h 09mAmerican Airlines
Deal found 9/16$379
This Delta deal was found by Cheapflights users on 9/16. 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 10/45:48 pmLEX - GEG
2 stops9h 10mDelta
Tue 10/77:23 pmGEG - LEX
2 stops11h 22mDelta
Deal found 9/16$379
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/182:32 pmLEX - BOI
1 stop27h 12mAllegiant Air
Mon 12/299:46 pmBOI - LEX
1 stop21h 46mAllegiant Air
Deal found 9/16$383

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lexington 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 September 17, 2025.
Use the filters below to find and compare flights from Lexington to Idaho that are best for you.

Fly from

Lexington

Fly to

Idaho

Route

Depart

Return

Price

LexingtonSpokane

LEX - GEG

LEXGEG

Lexington Blue Grass

Tue 10/7

5:54 pm-11:43 pm

2 stops8h 49m

Spokane

Fri 10/17

7:05 pm-9:20 am

2 stops11h 15m

$299

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Sat 11/15

10:12 am-10:33 pm

2 stops14h 21m

Idaho Falls Fanning Field

Tue 11/18

6:57 pm-9:27 am

2 stops12h 30m

$334

LexingtonSpokane

LEX - GEG

LEXGEG

Lexington Blue Grass

Wed 10/22

7:17 am-11:41 am

1 stop7h 24m

Spokane

Mon 10/27

7:23 pm-9:20 am

2 stops10h 57m

$344

LexingtonBoise

LEX - BOI

LEXBOI

Lexington Blue Grass

Sat 2/21

2:08 pm-9:09 pm

1 stop9h 01m

Boise Air Term. Gowen Fld

Tue 2/24

1:48 pm-9:39 pm

1 stop5h 51m

$379

LexingtonSpokane

LEX - GEG

LEXGEG

Lexington Blue Grass

Sat 10/4

5:48 pm-11:58 pm

2 stops9h 10m

Spokane

Tue 10/7

7:23 pm-9:45 am

2 stops11h 22m

$379

LexingtonBoise

LEX - BOI

LEXBOI

Lexington Blue Grass

Sat 2/21

10:05 am-8:13 pm

2 stops12h 08m

Boise Air Term. Gowen Fld

Tue 2/24

2:00 pm-10:25 am

2 stops18h 25m

$386

LexingtonBoise

LEX - BOI

LEXBOI

Lexington Blue Grass

Mon 12/22

5:47 pm-11:52 pm

2 stops8h 05m

Boise Air Term. Gowen Fld

Thu 12/25

1:00 pm-11:05 pm

2 stops8h 05m

$392

LexingtonSpokane

LEX - GEG

LEXGEG

Lexington Blue Grass

Thu 10/23

5:30 am-11:43 am

1 stop9h 13m

Spokane

Sun 10/26

1:12 pm-11:21 pm

1 stop7h 09m

$399

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Sat 11/15

7:05 am-1:35 pm

2 stops8h 30m

Idaho Falls Fanning Field

Tue 11/18

2:45 pm-10:24 pm

1 stop5h 39m

$409

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Sat 11/15

7:00 am-1:28 pm

1 stop8h 28m

Idaho Falls Fanning Field

Tue 11/18

1:58 pm-9:56 pm

1 stop5h 58m

$434

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 39 results
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Best time to book a flight from Lexington to Idaho

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

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

Currently, October is the cheapest month in which you can book a flight from Lexington to Idaho (average of $314). Flying from Lexington to Idaho in June is currently the most expensive (average of $398). 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 LEX to ID?

Find hourly flight availability from Lexington 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 September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Lexington to Idaho as you normally would.

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 September 17, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Lexington to Idaho have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Lexington to Idaho. 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 from for flights from Lexington to Idaho?

    Lexington Blue Grass (LEX), located 5.6 mi from the city center, is the airport you fly out of when you book flights from Lexington to Idaho.

  • How long is the flight from Lexington to Idaho?

    A quick flight from Lexington to Idaho can take about 8h 30m. Delta provides one of the quickest options available for as low as $409. Airlines will cover a distance of 1477 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 Lexington to Idaho one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $259. United Airlines flights start at $294 while deals on Delta start at $360 one-way.

  • What are the most popular routes from Lexington to Idaho?

    The most popular flight routes from Lexington to Idaho are Lexington Blue Grass - Jackson Hole, Lexington Blue Grass - Boise Air Term. Gowen Fld and Lexington Blue Grass - Spokane.

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

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

  • How can I find direct flights from Lexington to Idaho?

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

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

    Yes. Cheapflights offers flight deals from Lexington 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 Lexington to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Lexington to Idaho (average of $314). Flying from Lexington to Idaho in June is currently the most expensive (average of $398). 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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Top 3 airlines flying from Lexington to Idaho

Discover the top 3 airlines that operate flights from Lexington 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$504FlexibilityNo cancel feeOn-time71%
DeltaCheapest$294Average$473FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$384Average$680FlexibilityNo cancel feeOn-time69%

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