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Lexington

$339+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — LEX
Sep 3 — Sep 101
Thu 9/3
Thu 9/10
1 adult, Economy
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Cheap 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 August 4, 2026.

This United Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 9/112:25 pm -
1 stop6h 13m
Tue 9/159:15 am -
1 stop8h 08m
Deal found 7/31$339
This Delta deal was found by Cheapflights users on 7/31. 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 9/116:57 pm -
2 stops13h 10m
Tue 9/1510:08 am -
2 stops10h 09m
Deal found 7/31$406
This American Airlines deal was found by Cheapflights users on 8/2. 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.
Sun 8/161:43 pm -
1 stop8h 03m
Sat 8/226:30 am -
1 stop8h 39m
Deal found 8/2$409
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/252:25 pm -
1 stop6h 13m
Sat 8/299:15 am -
1 stop8h 08m
Deal found 7/30$429
This American Airlines deal was found by Cheapflights users on 8/3. 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 8/151:43 pm -
1 stop8h 03m
Sat 8/226:30 am -
1 stop8h 39m
Deal found 8/3$430
This American Airlines deal was found by Cheapflights users on 8/3. 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.
Sun 8/161:43 pm -
1 stop8h 03m
Sun 8/236:48 am -
1 stop8h 21m
Deal found 8/3$444
This United Airlines deal was found by Cheapflights users on 8/3. 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 8/122:25 pm -
1 stop6h 13m
Tue 8/189:15 am -
1 stop8h 08m
Deal found 8/3$452
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 9/112:25 pm -
1 stop6h 13m
Mon 9/149:15 am -
1 stop6h 14m
Deal found 7/31$461
This United Airlines deal was found by Cheapflights users on 8/3. 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 8/132:25 pm -
1 stop6h 13m
Tue 8/187:00 am -
2 stops10h 23m
Deal found 8/3$499

Find 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 August 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$339
(United Airlines)
Provider with most accurate pricing for Idaho Falls Fanning Field-Lexington Blue Grass flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Lexington Blue Grass flights.
Search Deals
From Idaho Falls Fanning Field to Lexington Blue Grass
Search Deals

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 August 4, 2026.
Use the filters below to find and compare flights from Idaho Falls to Lexington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Fri 9/11

2:25 pm-10:38 pm

1 stop6h 13m

Lexington Blue Grass

Tue 9/15

9:15 am-3:23 pm

1 stop8h 08m

$339

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Sun 8/16

1:43 pm-11:46 pm

1 stop8h 03m

Lexington Blue Grass

Sat 8/22

6:30 am-1:09 pm

1 stop8h 39m

$409

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Tue 8/25

2:25 pm-10:38 pm

1 stop6h 13m

Lexington Blue Grass

Sat 8/29

9:15 am-3:23 pm

1 stop8h 08m

$429
Quickest round-trip

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Fri 9/11

2:25 pm-10:38 pm

1 stop6h 13m

Lexington Blue Grass

Mon 9/14

9:15 am-1:29 pm

1 stop6h 14m

$461

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Tue 8/18

2:25 pm-10:38 pm

1 stop6h 13m

Lexington Blue Grass

Sat 8/22

9:52 am-5:16 pm

2 stops9h 24m

$525
Cheapest one-way
Quickest one-way

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Tue 8/18

2:25 pm-10:38 pm

1 stop6h 13m

$376

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/2

Sorted by cheapest first

Compare providers for flights from Idaho Falls to Lexington

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Lexington in August.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Idaho Falls-Lexington flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Lexington flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Lexington flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Idaho Falls-Lexington flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-Lexington flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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 $339, United Airlines can have you in Lexington from Idaho Falls in 6h 13m. Idaho Falls and Lexington are separated by a distance of 1477 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

See more FAQs

Traveling to a place near Lexington?

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

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