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Cheap flights from Idaho Falls to Lexington from $231

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Lexington departing on 5/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Idaho Falls to Lexington

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:30 pm - 10:25 pm
IDA
-
LEX
5h 55m
1 stop
United Airlines Logo
9:03 am - 3:34 pm
LEX
-
IDA
8h 31m
1 stop
$519United Airlines
Mon, Jun 1 - Sat, Jun 6
United Airlines Logo
2:30 pm - 10:25 pm
IDA
-
LEX
5h 55m
1 stop
United Airlines Logo
9:03 am - 3:34 pm
LEX
-
IDA
8h 31m
1 stop
$565United Airlines
Mon, Jun 1 - Sat, Jun 6
United Airlines Logo
2:30 pm - 10:25 pm
IDA
-
LEX
5h 55m
1 stop
United Airlines Logo
9:03 am - 3:34 pm
LEX
-
IDA
8h 31m
1 stop
$585United Airlines
Mon, Jun 1 - Sat, Jun 6
United Airlines Logo
2:30 pm - 10:25 pm
IDA
-
LEX
5h 55m
1 stop
United Airlines Logo
9:00 am - 5:19 pm
LEX
-
IDA
10h 19m
2 stops
$590United Airlines
Mon, Jun 1 - Sat, Jun 6
United Airlines Logo
2:30 pm - 10:45 pm
IDA
-
LEX
6h 15m
1 stop
United Airlines Logo
9:00 pm - 9:53 am
LEX
-
IDA
14h 53m
2 stops
$613United Airlines
Wed, Apr 1 - Mon, Apr 6
United Airlines Logo
2:30 pm - 10:25 pm
IDA
-
LEX
5h 55m
1 stop
United Airlines Logo
9:03 am - 3:34 pm
LEX
-
IDA
8h 31m
1 stop
$650United Airlines
Sun, May 31 - Sat, Jun 6
United Airlines Logo
2:30 pm - 10:45 pm
IDA
-
LEX
6h 15m
1 stop
United Airlines Logo
5:30 am - 1:24 pm
LEX
-
IDA
9h 54m
2 stops
$663United Airlines
Mon, Mar 30 - Fri, Apr 3
United Airlines Logo
2:30 pm - 11:59 pm
IDA
-
LEX
7h 29m
2 stops
United Airlines Logo
9:03 am - 3:34 pm
LEX
-
IDA
8h 31m
1 stop
$676United Airlines
Mon, Jun 1 - Sat, Jun 6
United Airlines Logo
2:30 pm - 11:59 pm
IDA
-
LEX
7h 29m
2 stops
United Airlines Logo
9:03 am - 3:34 pm
LEX
-
IDA
8h 31m
1 stop
$696United Airlines
Mon, Jun 1 - Sat, Jun 6
United Airlines Logo
6:45 am - 11:59 pm
IDA
-
LEX
15h 14m
2 stops
United Airlines Logo
9:00 pm - 9:53 am
LEX
-
IDA
14h 53m
2 stops
$728United Airlines
Wed, Apr 1 - Mon, Apr 6

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Lexington 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, momondo users made 832,500 searches. Data last updated March 17, 2026.
Use the filters below to find and compare flights from Idaho Falls to Lexington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Mon 6/1

2:30 pm-10:25 pm

1 stop5h 55m

Lexington Blue Grass

Sat 6/6

9:03 am-3:34 pm

1 stop8h 31m

$519

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Mon 6/1

2:30 pm-10:25 pm

1 stop5h 55m

Lexington Blue Grass

Sat 6/6

9:03 am-3:34 pm

1 stop8h 31m

$565

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Mon 6/1

2:30 pm-10:25 pm

1 stop5h 55m

Lexington Blue Grass

Sat 6/6

9:03 am-3:34 pm

1 stop8h 31m

$585

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Mon 6/1

2:30 pm-10:25 pm

1 stop5h 55m

Lexington Blue Grass

Sat 6/6

9:00 am-5:19 pm

2 stops10h 19m

$590

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Wed 4/1

2:30 pm-10:45 pm

1 stop6h 15m

Lexington Blue Grass

Mon 4/6

9:00 pm-9:53 am

2 stops14h 53m

$613

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Sun 5/31

2:30 pm-10:25 pm

1 stop5h 55m

Lexington Blue Grass

Sat 6/6

9:03 am-3:34 pm

1 stop8h 31m

$650

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Mon 3/30

2:30 pm-10:45 pm

1 stop6h 15m

Lexington Blue Grass

Fri 4/3

5:30 am-1:24 pm

2 stops9h 54m

$663

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Mon 6/1

2:30 pm-11:59 pm

2 stops7h 29m

Lexington Blue Grass

Sat 6/6

9:03 am-3:34 pm

1 stop8h 31m

$676

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Mon 6/1

2:30 pm-11:59 pm

2 stops7h 29m

Lexington Blue Grass

Sat 6/6

9:03 am-3:34 pm

1 stop8h 31m

$696

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Wed 4/1

6:45 am-11:59 pm

2 stops15h 14m

Lexington Blue Grass

Mon 4/6

9:00 pm-9:53 am

2 stops14h 53m

$728

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
1
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See travel insights to Lexington from

How to get the cheapest flight ticket from Idaho Falls to Lexington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Idaho Falls Fanning Field to Lexington Blue Grass?

Allegiant Air, United Airlines, and Delta are the most popular carriers operating from Idaho Falls Fanning Field to Lexington Blue Grass

When to book flights from Idaho Falls to Lexington

Are you open to changing your travel dates? Check out the ideal times to fly from Idaho Falls to Lexington according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Idaho Falls to Lexington (IDA to LEX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Lexington

Fastest flight time

5h 55m

Direct flights

None
The fastest flight from Idaho Falls to Lexington takes 5h 55m
There are no direct flights from Idaho Falls to Lexington. There are no popular flight routes from Idaho Falls to Lexington.
Search flight deals

  • How far is Idaho Falls Fanning Field to Lexington Blue Grass by plane?

    There are 1480.6 mi between Idaho Falls Fanning Field and Lexington Blue Grass. A reasonable flight in good conditions will take 5h 55m.

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Lexington Blue Grass Airport?

    Prices for flights from Idaho Falls Fanning Field Airport to Lexington Blue Grass Airport are updated daily.

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to Lexington Blue Grass Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Idaho Falls Fanning Field Airport to Lexington Blue Grass Airport.

  • What documentation or ID do you need to fly to Lexington Blue Grass Airport?

    The necessary travel and health documents for your Lexington Blue Grass Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Lexington?

Book flights to Lexington if you plan to visit one of these locations
Richmond
Somerset
Georgetown
Danville
Frankfort
Winchester
Berea
Versailles
Carlisle

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to Lexington?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Idaho Falls to Lexington for you.

Can I find flights from Idaho Falls to Lexington with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Lexington from Idaho Falls with this policy.

How can momondo help me find flights from Idaho Falls to Lexington?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Idaho Falls to Lexington.

I’m not ready to book a flight from Idaho Falls to Lexington right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Idaho Falls to Lexington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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