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$524+ Cheap flights from Idaho Falls to Lexington (IDA - LEX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — LEX
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Idaho Falls to Lexington

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Lexington (LEX). 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 September 15, 2025.

Round-trip from

$524
(United Airlines)
From Idaho Falls Fanning Field to Lexington Blue Grass
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Find flight deals from Idaho Falls to Lexington

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

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 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
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
Sun 1/46:10 amLEX - IDA
2 stops18h 47mDelta
Deal found 9/14$568
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
Fri 1/25:52 pmLEX - IDA
2 stops20h 35mDelta
Deal found 9/14$574
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.
Tue 12/1610:58 amIDA - LEX
2 stops9h 32mUnited Airlines
Wed 12/318:15 amLEX - IDA
1 stop7h 15mUnited Airlines
Deal found 9/14$585
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
Wed 12/318:10 amLEX - IDA
2 stops16h 47mDelta
Deal found 9/14$599
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
Thu 1/15:47 pmLEX - IDA
2 stops31h 10mDelta
Deal found 9/14$623
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 12/177:15 amIDA - LEX
2 stops14h 20mAmerican Airlines
Thu 1/17:00 amLEX - IDA
1 stop8h 06mAmerican Airlines
Deal found 9/14$679
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
Mon 12/297:43 pmLEX - IDA
2 stops29h 14mDelta
Deal found 9/14$683
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.
Tue 12/162:45 pmIDA - LEX
1 stop5h 40mUnited Airlines
Tue 12/301:57 pmLEX - IDA
2 stops25h 33mUnited Airlines
Deal found 9/14$690

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls 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 Falls to Lexington that are best for you.

Fly from

Idaho Falls

Fly to

Lexington

Route

Depart

Return

Price

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

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Tue 12/16

7:06 pm-9:28 am

2 stops12h 22m

Lexington Blue Grass

Sun 1/4

6:10 am-10:57 pm

2 stops18h 47m

$568

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Tue 12/16

7:06 pm-9:28 am

2 stops12h 22m

Lexington Blue Grass

Fri 1/2

5:52 pm-12:27 pm

2 stops20h 35m

$574

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Tue 12/16

10:58 am-10:30 pm

2 stops9h 32m

Lexington Blue Grass

Wed 12/31

8:15 am-1:30 pm

1 stop7h 15m

$585

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Tue 12/16

7:06 pm-9:28 am

2 stops12h 22m

Lexington Blue Grass

Thu 1/1

5:47 pm-10:57 pm

2 stops31h 10m

$623

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from Idaho Falls to Lexington

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

Reviews of airlines servicing Lexington

Get insights into the airlines that provide service to Lexington. 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 Lexington. Reviews last updated September 15, 2025.
Read reviews from past customers who have flown United Airlines from Idaho Falls to Lexington. 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.
United Airlines
7.4
Good
8,931 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,931 reviews
United Airlines
7.4
Good
8,931 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Lexington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Idaho Falls to Lexington?

    For as low as $524, United Airlines can have you in Lexington from Idaho Falls in 5h 41m. Idaho Falls and Lexington are separated by a distance of 1477 mi.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Idaho Falls to Lexington (average of $303). Flying from Idaho Falls 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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Top airline flying from Idaho Falls to Lexington

Discover the top airline that operate flights from Idaho Falls 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
United AirlinesCheapest$376Average$772FlexibilityNo cancel feeOn-time69%

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