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Idaho Falls

$144+ Cheap flights from Lexington to Idaho Falls (LEX - IDA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — IDA
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
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 julio 30, 2025.

Round-trip from

$395
(Delta)

One-way from

$144
(Mytrip)
From Lexington Blue Grass to Idaho Falls Fanning Field
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One-way flight 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 julio 30, 2025.

This Delta deal was found by Cheapflights users on 7/29. 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.
sáb. 9/273:42 pmLEX - IDA
2 stops8h 43mDelta
vie. 10/36:51 pmIDA - LEX
2 stops12h 30mDelta
Deal found 7/29$395
This United Airlines deal was found by Cheapflights users on 7/28. 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.
sáb. 8/237:00 amLEX - IDA
2 stops12h 23mUnited Airlines
mar. 8/2610:56 amIDA - LEX
2 stops10h 41mUnited Airlines
Deal found 7/28$495
This American Airlines deal was found by Cheapflights users on 7/29. 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.
sáb. 8/238:00 amLEX - IDA
1 stop7h 00mAmerican Airlines
mar. 8/261:32 pmIDA - LEX
1 stop8h 52mAmerican Airlines
Deal found 7/29$570
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/311:09 amLEX - IDA
2 stops13h 30mAlaska Airlines
lun. 10/66:00 amIDA - LEX
2 stops10h 30mAlaska Airlines
Deal found 7/30$736

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 julio 30, 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

sáb. 9/27

3:42 pm-10:25 pm

2 stops8h 43m

Idaho Falls Fanning Field

vie. 10/3

6:51 pm-9:21 am

2 stops12h 30m

$395

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

sáb. 8/23

7:00 am-5:23 pm

2 stops12h 23m

Idaho Falls Fanning Field

mar. 8/26

10:56 am-11:37 pm

2 stops10h 41m

$495

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

sáb. 8/23

8:00 am-1:00 pm

1 stop7h 00m

Idaho Falls Fanning Field

mar. 8/26

1:32 pm-12:24 am

1 stop8h 52m

$570

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

vie. 10/3

11:09 am-10:39 pm

2 stops13h 30m

Idaho Falls Fanning Field

lun. 10/6

6:00 am-6:30 pm

2 stops10h 30m

$736

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

dom. 8/17

10:17 pm-6:41 pm

3 stops22h 24m

$144

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

dom. 8/17

10:17 pm-11:30 am

1 stop15h 13m

$161

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

vie. 10/10

6:15 am-12:25 pm

1 stop8h 10m

$256

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

sáb. 10/11

6:15 am-3:38 pm

2 stops11h 23m

$261

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

sáb. 8/16

7:00 am-3:29 pm

2 stops10h 29m

$340

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

vie. 8/22

6:00 am-2:19 pm

2 stops10h 19m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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.

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho Falls. Reviews last updated julio 30, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United Airlines from Lexington to Idaho Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Allegiant Air
7.2
Good
703 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • What are the cheapest airlines flying from Lexington to Idaho Falls round-trip?

    According to our current data, Delta ($395), United Airlines ($495), and American Airlines ($570) offers the cheapest pricing from Lexington to Idaho Falls.

  • What are the cheapest airlines to fly from Lexington to Idaho Falls one-way?

    To fly one-way, consider booking your trip with Allegiant Air, which is currently one of the cheapest options available, starting at $161. American Airlines flights start at $256 while deals on Alaska Airlines start at $261 one-way.

  • 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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Top airline flying from Lexington to Idaho Falls

Discover the top airline that operate flights from Lexington to Idaho Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$278Average$549FlexibilityNo cancel feeOn-time71%

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