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$443+ 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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — IDA
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$563
(United Airlines)

One-way from

$443
(American Airlines)
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 junio 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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. 8/25:44 pmLEX - IDA
2 stops18h 00mUnited Airlines
sáb. 8/302:35 pmIDA - LEX
2 stops7h 22mUnited Airlines
Deal found 6/11$563
This American Airlines deal was found by Cheapflights users on 6/11. 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. 8/25:47 amLEX - IDA
1 stop9h 30mAmerican Airlines
sáb. 8/301:32 pmIDA - LEX
1 stop6h 35mAmerican Airlines
Deal found 6/11$655
This Delta deal was found by Cheapflights users on 6/9. 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. 6/211:04 pmLEX - IDA
2 stops11h 51mDelta
mié. 6/256:52 pmIDA - LEX
2 stops12h 58mDelta
Deal found 6/9$689

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 junio 12, 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. 8/2

5:44 pm-9:44 am

2 stops18h 00m

Idaho Falls Fanning Field

sáb. 8/30

2:35 pm-11:57 pm

2 stops7h 22m

$563

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

sáb. 8/2

5:47 am-1:17 pm

1 stop9h 30m

Idaho Falls Fanning Field

sáb. 8/30

1:32 pm-10:07 pm

1 stop6h 35m

$655

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

mié. 6/25

2:16 pm-9:35 pm

1 stop9h 19m

$443

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

mié. 6/25

6:10 am-10:39 pm

2 stops18h 29m

$580

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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.

What is the cheapest time of day to fly from LEX to IDA?

Find hourly flight availability from Lexington to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

When flying from Lexington to Idaho Falls, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 28% versus a flight in the morning.

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 junio 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, United Airlines and American Airlines from Lexington to Idaho Falls by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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, United Airlines ($563), and American Airlines ($655) offers the cheapest pricing from Lexington to Idaho Falls.

  • 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 Lexington?

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