Lexington

$289+ Cheap flights from Idaho to Lexington (LEX)

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LEX
Oct 15 — Oct 221
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Cheap flight deals from Idaho to Lexington

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

Round-trip from

$344
(Delta)

One-way from

$289
(American Airlines)

Popular in

May

Cheapest in

October

Average price

$376
From Idaho to Lexington Blue Grass
One-way flight from Idaho to Lexington Blue Grass
Highest demand for flights based on searches. 14% potential increase in price ($85 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find flight deals from Idaho to Lexington

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

This Delta deal was found by Cheapflights users on 9/13. 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 11/112:51 pmGEG - LEX
1 stop8h 14mDelta
Sun 11/166:00 amLEX - GEG
1 stop9h 11mDelta
Deal found 9/13$344
This Delta deal was found by Cheapflights users on 9/12. 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.
Fri 10/1011:15 pmGEG - LEX
1 stop7h 05mDelta
Fri 10/175:20 pmLEX - GEG
1 stop7h 45mDelta
Deal found 9/12$374
This American Airlines deal was found by Cheapflights users on 9/13. 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 10/211:12 pmGEG - LEX
1 stop7h 09mAmerican Airlines
Mon 10/277:19 pmLEX - GEG
1 stop20h 01mAmerican Airlines
Deal found 9/13$375
This Delta deal was found by Cheapflights users on 9/13. 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 10/217:23 pmGEG - LEX
2 stops10h 57mDelta
Mon 10/275:54 pmLEX - GEG
2 stops9h 05mDelta
Deal found 9/13$409
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/301:30 pmGEG - LEX
1 stop18h 09mAmerican Airlines
Mon 10/67:19 pmLEX - GEG
1 stop20h 01mAmerican Airlines
Deal found 9/14$470
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/112:35 pmGEG - LEX
1 stop8h 51mAmerican Airlines
Mon 10/65:30 amLEX - GEG
1 stop9h 13mAmerican Airlines
Deal found 9/14$496
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:05 amGEG - LEX
2 stops9h 15mUnited Airlines
Mon 10/67:33 pmLEX - GEG
1 stop19h 09mUnited Airlines
Deal found 9/14$502
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 10/111:35 pmBOI - LEX
1 stop6h 26mAmerican Airlines
Fri 10/245:29 amLEX - BOI
1 stop9h 09mAmerican Airlines
Deal found 9/13$517
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/310:57 pmIDA - LEX
2 stops41h 38mMultiple Airlines
Sun 10/510:33 pmLEX - IDA
1 stop16h 16mMultiple Airlines
Deal found 9/14$533
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.
Tue 12/167:06 pmIDA - LEX
2 stops12h 22mDelta
Tue 12/307:43 pmLEX - IDA
2 stops18h 44mDelta
Deal found 9/14$553
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/116:00 amBOI - LEX
2 stops10h 30mAlaska Airlines
Fri 10/2411:12 amLEX - BOI
2 stops13h 53mAlaska Airlines
Deal found 9/15$558
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.
Tue 12/167:06 pmIDA - LEX
2 stops12h 22mDelta
Sat 1/36:20 amLEX - IDA
2 stops18h 37mDelta
Deal found 9/14$558

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Lexington 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 15, 2025.
Use the filters below to find and compare flights from Idaho to Lexington that are best for you.

Fly from

Idaho

Fly to

Lexington

Route

Depart

Return

Price

SpokaneLexington

GEG - LEX

GEGLEX

Spokane

Sat 11/1

12:51 pm-12:05 am

1 stop8h 14m

Lexington Blue Grass

Sun 11/16

6:00 am-12:11 pm

1 stop9h 11m

$344

SpokaneLexington

GEG - LEX

GEGLEX

Spokane

Sat 2/28

7:21 pm-10:25 am

2 stops12h 04m

Lexington Blue Grass

Tue 3/3

7:10 am-11:41 am

1 stop7h 31m

$369

JacksonLexington

JAC - LEX

JACLEX

Jackson Hole

Sat 2/28

3:30 pm-9:25 am

2 stops15h 55m

Lexington Blue Grass

Tue 3/3

5:55 am-1:25 pm

1 stop9h 30m

$403

SpokaneLexington

GEG - LEX

GEGLEX

Spokane

Tue 10/21

7:23 pm-9:20 am

2 stops10h 57m

Lexington Blue Grass

Mon 10/27

5:54 pm-11:59 pm

2 stops9h 05m

$409

SpokaneLexington

GEG - LEX

GEGLEX

Spokane

Fri 10/10

11:15 pm-9:20 am

1 stop7h 05m

Lexington Blue Grass

Fri 10/17

5:54 pm-11:59 pm

2 stops9h 05m

$434

SpokaneLexington

GEG - LEX

GEGLEX

Spokane

Sat 2/28

5:00 am-10:34 pm

1 stop14h 34m

Lexington Blue Grass

Tue 3/3

9:00 am-12:40 pm

1 stop6h 40m

$440

BoiseLexington

BOI - LEX

BOILEX

Boise Air Term. Gowen Fld

Sat 10/11

1:35 pm-10:01 pm

1 stop6h 26m

Lexington Blue Grass

Fri 10/24

5:29 am-12:38 pm

1 stop9h 09m

$517

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Sat 3/7

2:35 pm-10:16 pm

1 stop5h 41m

Lexington Blue Grass

Wed 3/11

7:30 am-5:22 pm

2 stops11h 52m

$524

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Fri 10/3

10:57 pm-6:35 pm

2 stops41h 38m

Lexington Blue Grass

Sun 10/5

10:33 pm-12:49 pm

1 stop16h 16m

$533

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Tue 12/16

7:06 pm-9:28 am

2 stops12h 22m

Lexington Blue Grass

Tue 12/30

7:43 pm-12:27 pm

2 stops18h 44m

$553

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 34 results
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Best time to book a flight from Idaho to Lexington

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

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

Currently, August is the cheapest month in which you can book a flight from Idaho to Lexington (average of $303). Flying from Idaho to Lexington in April is currently the most expensive (average of $390). 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 ID to LEX?

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

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

Related info for your journey

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

    If you book a flight to Lexington from Idaho, you will be flying to Blue Grass, which is the city’s only airport. Lexington Blue Grass (LEX) is located 5.6 mi from the center of Lexington.

  • How long is the flight from Idaho to Lexington?

    Departing from Idaho to Lexington will take you 5h 41m. The distance between Idaho and Lexington is about 1477 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $289. Users have also found prices from $294 and $405 on Delta and United Airlines, respectively.

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

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Idaho to Lexington (average of $303). Flying from Idaho to Lexington in April is currently the most expensive (average of $390). 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

Traveling to a place near Lexington?

Book flights to Lexington if you plan to visit one of these locations
Georgetown
Berea
Frankfort

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Alternative routes for Idaho to Lexington

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

Top 2 airlines flying from Idaho to Lexington

Discover the top 2 airlines that operate flights from Idaho to Lexington. 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$234Average$343FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$376Average$670FlexibilityNo cancel feeOn-time69%

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