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$394+ 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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — LEX
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
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 December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:00 amIDA - LEX
1 stop13h 06mUnited Airlines
Sun 1/48:15 amLEX - IDA
1 stop16h 44mUnited Airlines
Deal found 12/12$1,057

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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$394
(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 December 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

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

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Thu 1/1

6:40 am-5:05 pm

2 stops8h 25m

Lexington Blue Grass

Tue 1/6

5:32 pm-9:56 am

2 stops18h 24m

$614

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Fri 1/2

5:00 am-5:05 pm

2 stops10h 05m

Lexington Blue Grass

Tue 1/6

9:00 am-9:56 am

1 stop26h 56m

$663

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Idaho Falls-Lexington flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $394, United Airlines can have you in Lexington from Idaho Falls in 5h 50m. 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.

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

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