HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lexington

$319+ 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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LEX
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to Lexington with Cheapflights

1. Tell us where you want to go

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

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:40 pmBOI - LEX
1 stop5h 33mUnited Airlines
Sun 1/46:00 amLEX - BOI
1 stop8h 39mUnited Airlines
Deal found 12/15$554
This Delta deal was found by Cheapflights users on 12/16. 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 12/245:55 amGEG - LEX
2 stops10h 08mDelta
Wed 12/315:47 pmLEX - GEG
2 stops8h 29mDelta
Deal found 12/16$574
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:00 amGEG - LEX
2 stops12h 04mUnited Airlines
Thu 12/258:15 amLEX - GEG
1 stop10h 04mUnited Airlines
Deal found 12/17$579
This American Airlines deal was found by Cheapflights users on 12/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:00 amGEG - LEX
1 stop6h 59mAmerican Airlines
Tue 12/308:04 amLEX - GEG
1 stop7h 02mAmerican Airlines
Deal found 12/17$633
This Delta deal was found by Cheapflights users on 12/17. 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.
Thu 12/181:12 pmGEG - LEX
1 stop7h 56mDelta
Thu 12/256:05 amLEX - GEG
1 stop7h 47mDelta
Deal found 12/17$639
This Delta deal was found by Cheapflights users on 12/14. 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 12/3011:47 pmBOI - LEX
1 stop8h 10mDelta
Sat 1/33:36 pmLEX - BOI
1 stop9h 01mDelta
Deal found 12/14$648
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:05 amGEG - LEX
2 stops9h 00mUnited Airlines
Tue 12/305:48 pmLEX - GEG
1 stop7h 42mUnited Airlines
Deal found 12/17$655
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:05 amGEG - LEX
2 stops9h 00mUnited Airlines
Wed 12/318:15 amLEX - GEG
1 stop10h 04mUnited Airlines
Deal found 12/17$699
This American Airlines deal was found by Cheapflights users on 12/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:00 amGEG - LEX
1 stop6h 59mAmerican Airlines
Wed 12/318:04 amLEX - GEG
1 stop7h 02mAmerican Airlines
Deal found 12/17$703
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:30 pmIDA - LEX
1 stop5h 43mUnited Airlines
Sun 1/46:00 amLEX - IDA
2 stops18h 59mUnited Airlines
Deal found 12/16$749
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Tue 12/305:12 pmBOI - LEX
2 stops18h 04mUnited Airlines
Sat 1/36:00 amLEX - BOI
2 stops17h 26mUnited Airlines
Deal found 12/14$824
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:20 amBOI - LEX
1 stop6h 45mUnited Airlines
Sat 12/275:48 pmLEX - BOI
1 stop7h 11mUnited Airlines
Deal found 12/15$895

Find flight deals from Idaho to Lexington

Keep the following information in mind while searching for Idaho to Lexington flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$339
(Delta)

One-way from

$319
(American Airlines)

Popular in

May

Cheapest in

July

Average price

$490
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Lexington Blue Grass flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Lexington Blue Grass flights.
Search Deals
From Idaho to Lexington Blue Grass
Search Deals
One-way flight from Idaho to Lexington Blue Grass
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

JacksonLexington

JAC - LEX

JACLEX

Jackson Hole

Wed 1/21

2:40 pm-10:30 pm

1 stop5h 50m

Lexington Blue Grass

Sat 1/24

9:00 am-1:21 pm

1 stop6h 21m

$337

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Fri 1/9

2:40 pm-10:30 pm

1 stop5h 50m

Lexington Blue Grass

Tue 1/13

9:00 am-3:31 pm

1 stop8h 31m

$394

BoiseLexington

BOI - LEX

BOILEX

Boise Air Term. Gowen Fld

Sat 2/21

5:00 am-4:50 pm

2 stops9h 50m

Lexington Blue Grass

Tue 2/24

9:00 am-1:38 pm

1 stop6h 38m

$404

SpokaneLexington

GEG - LEX

GEGLEX

Spokane

Sat 1/31

5:00 am-8:31 pm

2 stops12h 31m

Lexington Blue Grass

Wed 2/4

11:00 am-9:22 pm

2 stops13h 22m

$409

SpokaneLexington

GEG - LEX

GEGLEX

Spokane

Sun 1/18

12:55 pm-11:51 pm

1 stop7h 56m

Lexington Blue Grass

Thu 1/22

5:35 pm-11:59 pm

2 stops9h 24m

$523

BoiseLexington

BOI - LEX

BOILEX

Boise Air Term. Gowen Fld

Wed 12/31

2:40 pm-10:13 pm

1 stop5h 33m

Lexington Blue Grass

Sun 1/4

6:00 am-12:39 pm

1 stop8h 39m

$554

BoiseLexington

BOI - LEX

BOILEX

Boise Air Term. Gowen Fld

Tue 12/30

11:47 pm-9:57 am

1 stop8h 10m

Lexington Blue Grass

Sat 1/3

3:36 pm-10:37 pm

1 stop9h 01m

$648

SpokaneLexington

GEG - LEX

GEGLEX

Spokane

Sun 1/18

5:00 am-8:31 pm

2 stops12h 31m

Lexington Blue Grass

Thu 1/22

8:35 am-9:22 pm

2 stops15h 47m

$695

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Wed 12/31

2:30 pm-10:13 pm

1 stop5h 43m

Lexington Blue Grass

Sun 1/4

6:00 am-10:59 pm

2 stops18h 59m

$749

BoiseLexington

BOI - LEX

BOILEX

Boise Air Term. Gowen Fld

Sun 2/22

1:36 pm-9:57 pm

1 stop6h 21m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 13 results
1
2

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, September is the cheapest month in which you can book a flight from Idaho to Lexington (average of $125). Flying from Idaho to Lexington in December is currently the most expensive (average of $454). 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 December 18, 2025.

It’s typically best to fly out from Idaho to Lexington in the evening. Doing so could potentially save you 41% on the flight price compared to flying in the morning, which is usually more expensive.

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 50m. The distance between Idaho and Lexington is about 1412 mi. This flight may include one or multiple stops.

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

    The most popular route from Idaho to Lexington is Boise Air Term. Gowen Fld - Lexington Blue Grass. You may also consider Spokane - Lexington Blue Grass or Idaho Falls Fanning Field - Lexington Blue Grass.

  • 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, September is the cheapest month in which you can book a flight from Idaho to Lexington (average of $125). Flying from Idaho to Lexington in December is currently the most expensive (average of $454). 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
Somerset
Berea
Georgetown
Frankfort

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 Idaho to Lexington

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Nashville flights
Newark to Nashville flights
LaGuardia to Nashville flights
Boston to Nashville flights
Los Angeles to Nashville flights
John F Kennedy Intl to Cincinnati flights
O'Hare Intl to Nashville flights
Dulles Intl to Nashville flights
LaGuardia to Cincinnati flights
Baltimore to Nashville flights
Newark to Cincinnati flights
Reagan-National to Nashville flights
Dallas/Fort Worth to Nashville flights
Philadelphia to Nashville flights
Denver to Nashville flights
Seattle to Nashville flights
San Francisco to Nashville flights
Hobby to Nashville flights
Minneapolis to Nashville flights
Sky Harbor Intl to Nashville flights
Tampa to Nashville flights
Orlando to Nashville flights
Fort Lauderdale to Nashville flights
George Bush Intcntl to Nashville flights
Ontario to Nashville flights
Bozeman to Nashville flights
Miami to Nashville flights
San Diego to Nashville flights
Detroit to Nashville flights
Dallas/Fort Worth to Cincinnati flights
LaGuardia to Louisville flights
O'Hare Intl to Knoxville flights
Boston to Cincinnati flights
Newark to Louisville flights
Raleigh to Nashville flights
Hartford to Nashville flights
O'Hare Intl to Cincinnati flights
LaGuardia to Knoxville flights
Los Angeles to Cincinnati flights
John F Kennedy Intl to Louisville flights
Hobby to Knoxville flights
Richmond to Nashville flights
Santa Ana to Nashville flights
Charlotte to Nashville flights
Denver to Cincinnati flights
Dulles Intl to Cincinnati flights
Cleveland to Nashville flights
John F Kennedy Intl to Knoxville flights
Portland to Nashville flights
Hobby to Cincinnati flights

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$234Average$384FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$378Average$543FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.