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$389+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — IDA
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$389
(Delta)
Provider with most accurate pricing for Lexington Blue Grass-Idaho Falls Fanning Field flight deals.
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Provider most trusted by Cheapflights users for Lexington Blue Grass-Idaho Falls Fanning Field flights.
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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 October 29, 2025.

This Delta deal was found by Cheapflights users on 10/28. 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 11/1210:12 amLEX - IDA
2 stops14h 07mDelta
Sun 11/166:57 pmIDA - LEX
2 stops12h 30mDelta
Deal found 10/28$389
This Delta deal was found by Cheapflights users on 10/27. 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 11/156:00 amLEX - IDA
2 stops18h 33mDelta
Tue 11/186:57 pmIDA - LEX
2 stops12h 30mDelta
Deal found 10/27$438
This American Airlines deal was found by Cheapflights users on 10/27. 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 10/27$455
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/117:05 amLEX - IDA
2 stops8h 30mUnited Airlines
Sat 11/152:45 pmIDA - LEX
1 stop5h 32mUnited Airlines
Deal found 10/27$469
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/159:00 amLEX - IDA
1 stop26h 48mUnited Airlines
Tue 11/188:30 amIDA - LEX
2 stops10h 24mUnited Airlines
Deal found 10/26$549
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/1210:40 amLEX - IDA
2 stops30h 36mUnited Airlines
Sun 11/164:15 pmIDA - LEX
1 stop28h 09mUnited Airlines
Deal found 10/28$752

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 October 29, 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

Wed 11/12

10:12 am-10:19 pm

2 stops14h 07m

Idaho Falls Fanning Field

Sun 11/16

6:57 pm-9:27 am

2 stops12h 30m

$389

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

$455

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Sat 11/15

7:45 am-10:33 pm

2 stops16h 48m

Idaho Falls Fanning Field

Tue 11/18

6:57 pm-9:27 am

2 stops12h 30m

$458

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Tue 11/11

7:05 am-1:35 pm

2 stops8h 30m

Idaho Falls Fanning Field

Sat 11/15

2:45 pm-10:17 pm

1 stop5h 32m

$469

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Sat 11/15

9:00 am-9:48 am

1 stop26h 48m

Idaho Falls Fanning Field

Tue 11/18

8:30 am-8:54 pm

2 stops10h 24m

$549

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Compare providers for flights from Lexington to Idaho Falls

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 Lexington to Idaho Falls in October.
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 Lexington-Idaho Falls flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Lexington-Idaho Falls flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Lexington-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lexington-Idaho Falls 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 Lexington-Idaho Falls 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 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, November is the cheapest month in which you can book a flight from Lexington to Idaho Falls (average of $246). Flying from Lexington to Idaho Falls in February is currently the most expensive (average of $466). 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 $455, 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, November is the cheapest month in which you can book a flight from Lexington to Idaho Falls (average of $246). Flying from Lexington to Idaho Falls in February is currently the most expensive (average of $466). 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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