HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho Falls

$429+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — IDA
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Lexington to Idaho Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 January 28, 2026.

This American Airlines deal was found by Cheapflights users on 1/27. 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.
Tue 7/286:00 am
LEX
-
IDA
1 stop9h 13m
American Airlines
Tue 8/2512:46 pm
IDA
-
LEX
1 stop8h 34m
American Airlines
Deal found 1/27$429
This United Airlines deal was found by Cheapflights users on 1/25. 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 1/278:35 am
LEX
-
IDA
2 stops8h 56m
United Airlines
Sat 1/312:40 pm
IDA
-
LEX
1 stop5h 50m
United Airlines
Deal found 1/25$554
This United Airlines deal was found by Cheapflights users on 1/27. 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 7/287:25 am
LEX
-
IDA
2 stops11h 57m
United Airlines
Tue 8/255:00 am
IDA
-
LEX
2 stops9h 55m
United Airlines
Deal found 1/27$611
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Fri 4/178:45 am
LEX
-
IDA
1 stop27h 08m
United Airlines
Sun 4/265:20 pm
IDA
-
LEX
1 stop27h 25m
United Airlines
Deal found 1/27$692
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Fri 4/177:00 am
LEX
-
IDA
1 stop8h 13m
American Airlines
Sun 4/261:43 pm
IDA
-
LEX
1 stop7h 10m
American Airlines
Deal found 1/27$730
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Mon 4/138:45 am
LEX
-
IDA
1 stop6h 39m
United Airlines
Fri 4/172:30 pm
IDA
-
LEX
1 stop6h 15m
United Airlines
Deal found 1/27$761

Find 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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$692
(United Airlines)
Provider with most accurate pricing for Lexington Blue Grass-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lexington Blue Grass-Idaho Falls Fanning Field flights.
Search Deals
From Lexington Blue Grass to Idaho Falls Fanning Field
Search Deals

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 January 28, 2026.
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

Fri 4/17

8:45 am-9:53 am

1 stop27h 08m

Idaho Falls Fanning Field

Sun 4/26

5:20 pm-10:45 pm

1 stop27h 25m

$692

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Fri 4/17

7:00 am-1:13 pm

1 stop8h 13m

Idaho Falls Fanning Field

Sun 4/26

1:43 pm-10:53 pm

1 stop7h 10m

$730

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Mon 4/13

8:45 am-1:24 pm

1 stop6h 39m

Idaho Falls Fanning Field

Fri 4/17

2:30 pm-10:45 pm

1 stop6h 15m

$761

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Mon 4/13

8:00 am-11:39 pm

2 stops17h 39m

Idaho Falls Fanning Field

Fri 4/17

1:43 pm-10:31 am

2 stops18h 48m

$846

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Wed 2/11

8:35 am-3:31 pm

2 stops8h 56m

Idaho Falls Fanning Field

Sun 2/15

2:40 pm-10:18 pm

1 stop5h 38m

$871

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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 January.
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 Lexington-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lexington-Idaho Falls flight deals on Cheapflights vs. FlightHub >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 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 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 $213). Flying from Lexington to Idaho Falls in December is currently the most expensive (average of $366). 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 $730, United Airlines can have you in Idaho Falls from Lexington in 8h 13m. 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 $213). Flying from Lexington to Idaho Falls in December is currently the most expensive (average of $366). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Lexington to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
Cincinnati to Jackson flights
Nashville to Spokane flights
Nashville to Jackson flights
Nashville to Boise flights
Knoxville to Jackson flights
Knoxville to Boise flights
Louisville to Jackson flights
Cincinnati to Boise flights
Lexington to Jackson flights
Cincinnati to Spokane flights
Knoxville to Spokane flights
Nashville to Idaho Falls flights
Louisville to Boise flights
Blountville to Spokane flights
Cincinnati to Idaho Falls flights
Nashville to Hailey flights
Knoxville to Idaho Falls flights
Lexington to Boise flights
Evansville to Boise flights
Lexington to Spokane flights
Cincinnati to Lewiston flights
Cincinnati to Hailey flights
Louisville to Idaho Falls flights
Louisville to Spokane flights
Evansville to Jackson flights
Cincinnati to West Yellowstone flights
Blountville to Jackson flights
Nashville to West Yellowstone flights
Knoxville to Lewiston flights
Evansville to Spokane flights
Cincinnati to Pocatello flights
Huntington to Boise flights
Knoxville to Pocatello flights
Lexington to West Yellowstone flights
Lexington to Pocatello flights
Nashville to Pocatello flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights