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$334+ Cheap flights from Lexington to Idaho Falls (LEX - IDA)

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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — IDA
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap flight deals from Lexington to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Lexington (LEX) to Idaho Falls (IDA). 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 14, 2025.

Round-trip from

$334
(Delta)
From Lexington Blue Grass to Idaho Falls Fanning Field
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Find flight deals from Lexington to Idaho Falls

Cheapest flights from Lexington to Idaho Falls
Explore the most affordable flight options available from Lexington to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 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 11/1510:12 amLEX - IDA
2 stops14h 21mDelta
Tue 11/186:57 pmIDA - LEX
2 stops12h 30mDelta
Deal found 9/13$334
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1510:40 amLEX - IDA
2 stops9h 06mUnited Airlines
Tue 11/182:45 pmIDA - LEX
1 stop5h 39mUnited Airlines
Deal found 9/13$409
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 11/157:00 amLEX - IDA
1 stop8h 28mAmerican Airlines
Tue 11/181:58 pmIDA - LEX
1 stop5h 58mAmerican Airlines
Deal found 9/13$434
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.
Mon 9/299:15 amLEX - IDA
1 stop6h 18mUnited Airlines
Fri 10/32:35 pmIDA - LEX
1 stop5h 46mUnited Airlines
Deal found 9/14$1,021

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lexington to Idaho Falls 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 14, 2025.
Use the filters below to find and compare flights from Lexington to Idaho Falls that are best for you.

Fly from

Lexington

Fly to

Idaho Falls

Route

Depart

Return

Price

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Sat 11/15

10:12 am-10:33 pm

2 stops14h 21m

Idaho Falls Fanning Field

Tue 11/18

6:57 pm-9:27 am

2 stops12h 30m

$334

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Sat 11/15

7:05 am-1:35 pm

2 stops8h 30m

Idaho Falls Fanning Field

Tue 11/18

2:45 pm-10:24 pm

1 stop5h 39m

$409

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Sat 11/15

7:00 am-1:28 pm

1 stop8h 28m

Idaho Falls Fanning Field

Tue 11/18

1:58 pm-9:56 pm

1 stop5h 58m

$434

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Mon 9/29

9:15 am-1:33 pm

1 stop6h 18m

Idaho Falls Fanning Field

Fri 10/3

2:35 pm-10:21 pm

1 stop5h 46m

$1,021

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Best time to book a flight from Lexington to Idaho Falls

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

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

Currently, October is the cheapest month in which you can book a flight from Lexington to Idaho Falls (average of $380). Flying from Lexington to Idaho Falls in December is currently the most expensive (average of $578). 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.

Related info for your journey

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

    For as low as $434, Delta can have you in Idaho Falls from Lexington in 8h 28m. Lexington and Idaho Falls are separated by a distance of 1477 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Lexington to Idaho Falls (average of $380). Flying from Lexington to Idaho Falls in December is currently the most expensive (average of $578). 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 Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

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