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Cheap flights from Idaho Falls to Lexington from $374

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 9/5. 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

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
2:25 pm - 10:38 pm
IDA
-
LEX
6h 13m
1 stop
United Airlines Logo
9:15 am - 1:29 pm
LEX
-
IDA
6h 14m
1 stop
$429United Airlines
Fri, Aug 14 - Tue, Aug 18
United Airlines Logo
2:25 pm - 10:38 pm
IDA
-
LEX
6h 13m
1 stop
United Airlines Logo
1:51 pm - 9:18 pm
LEX
-
IDA
9h 27m
2 stops
$434United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
10:35 am - 11:55 pm
IDA
-
LEX
11h 20m
2 stops
United Airlines Logo
7:00 am - 3:23 pm
LEX
-
IDA
10h 23m
2 stops
$439United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
2:25 pm - 10:38 pm
IDA
-
LEX
6h 13m
1 stop
United Airlines Logo
9:15 am - 3:23 pm
LEX
-
IDA
8h 08m
1 stop
$449United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
2:25 pm - 10:38 pm
IDA
-
LEX
6h 13m
1 stop
United Airlines Logo
1:51 pm - 9:18 pm
LEX
-
IDA
9h 27m
2 stops
$454United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
2:25 pm - 10:38 pm
IDA
-
LEX
6h 13m
1 stop
United Airlines Logo
7:00 am - 3:23 pm
LEX
-
IDA
10h 23m
2 stops
$473United Airlines
Fri, Aug 14 - Tue, Aug 18
United Airlines Logo
10:35 am - 11:55 pm
IDA
-
LEX
11h 20m
2 stops
United Airlines Logo
7:00 am - 3:23 pm
LEX
-
IDA
10h 23m
2 stops
$505United Airlines
Tue, Aug 25 - Sat, Aug 29
American Airlines Logo
2:20 pm - 11:17 am
IDA
-
LEX
18h 57m
2 stops
American Airlines Logo
6:30 am - 9:20 pm
LEX
-
IDA
16h 50m
2 stops
$667American Airlines
Fri, Aug 14 - Tue, Aug 18
United Airlines Logo
2:25 pm - 10:38 pm
IDA
-
LEX
6h 13m
1 stop
United Airlines Logo
9:15 am - 1:29 pm
LEX
-
IDA
6h 14m
1 stop
$694United Airlines
Wed, Aug 12 - Sun, Aug 16
United Airlines Logo
7:00 am - 8:28 pm
IDA
-
LEX
11h 28m
2 stops
United Airlines Logo
9:15 am - 3:23 pm
LEX
-
IDA
8h 08m
1 stop
$804United Airlines
Wed, Aug 12 - Sun, Aug 16

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United Airlines flights from Idaho Falls to Lexington

Our best United Airlines deals on Idaho Falls to Lexington flight tickets
United Airlines
Aug 14
IDA2:25 pmIdaho Falls Fanning Field
6h 13m
1 stop
LEX10:38 pmLexington Blue Grass
Aug 18
LEX9:15 amLexington Blue Grass
6h 14m
1 stop
IDA1:29 pmIdaho Falls Fanning Field
$429
United Airlines
Aug 25
IDA2:25 pmIdaho Falls Fanning Field
6h 13m
1 stop
LEX10:38 pmLexington Blue Grass
Aug 29
LEX1:51 pmLexington Blue Grass
9h 27m
2 stops
IDA9:18 pmIdaho Falls Fanning Field
$434
United Airlines
Aug 25
IDA10:35 amIdaho Falls Fanning Field
11h 20m
2 stops
LEX11:55 pmLexington Blue Grass
Aug 29
LEX7:00 amLexington Blue Grass
10h 23m
2 stops
IDA3:23 pmIdaho Falls Fanning Field
$439

American Airlines flights from Idaho Falls to Lexington

Our best American Airlines deals on Idaho Falls to Lexington flight tickets
American Airlines
Aug 1
IDA2:23 pmIdaho Falls Fanning Field
7h 25m
1 stop
LEX11:48 pmLexington Blue Grass
Aug 18
LEX6:30 amLexington Blue Grass
8h 39m
1 stop
IDA1:09 pmIdaho Falls Fanning Field
$430
American Airlines
Aug 1
IDA2:23 pmIdaho Falls Fanning Field
7h 25m
1 stop
LEX11:48 pmLexington Blue Grass
Aug 15
LEX6:30 amLexington Blue Grass
8h 39m
1 stop
IDA1:09 pmIdaho Falls Fanning Field
$520
American Airlines
Aug 1
IDA2:23 pmIdaho Falls Fanning Field
7h 25m
1 stop
LEX11:48 pmLexington Blue Grass
Aug 5
LEX6:24 amLexington Blue Grass
8h 45m
1 stop
IDA1:09 pmIdaho Falls Fanning Field
$541

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 July 31, 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

Fri 8/14

2:25 pm-10:38 pm

1 stop6h 13m

Lexington Blue Grass

Tue 8/18

9:15 am-1:29 pm

1 stop6h 14m

$429

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Tue 8/25

2:25 pm-10:38 pm

1 stop6h 13m

Lexington Blue Grass

Sat 8/29

1:51 pm-9:18 pm

2 stops9h 27m

$434

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Tue 8/25

10:35 am-11:55 pm

2 stops11h 20m

Lexington Blue Grass

Sat 8/29

7:00 am-3:23 pm

2 stops10h 23m

$439

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Tue 8/25

2:25 pm-10:38 pm

1 stop6h 13m

Lexington Blue Grass

Sat 8/29

9:15 am-3:23 pm

1 stop8h 08m

$449

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Tue 8/25

2:25 pm-10:38 pm

1 stop6h 13m

Lexington Blue Grass

Sat 8/29

1:51 pm-9:18 pm

2 stops9h 27m

$454

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Fri 8/14

2:25 pm-10:38 pm

1 stop6h 13m

Lexington Blue Grass

Tue 8/18

7:00 am-3:23 pm

2 stops10h 23m

$473

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Tue 8/25

10:35 am-11:55 pm

2 stops11h 20m

Lexington Blue Grass

Sat 8/29

7:00 am-3:23 pm

2 stops10h 23m

$505

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Fri 8/14

2:20 pm-11:17 am

2 stops18h 57m

Lexington Blue Grass

Tue 8/18

6:30 am-9:20 pm

2 stops16h 50m

$667

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Wed 8/12

2:25 pm-10:38 pm

1 stop6h 13m

Lexington Blue Grass

Sun 8/16

9:15 am-1:29 pm

1 stop6h 14m

$694

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Wed 8/12

7:00 am-8:28 pm

2 stops11h 28m

Lexington Blue Grass

Sun 8/16

9:15 am-3:23 pm

1 stop8h 08m

$804

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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?

United Airlines and American Airlines 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

6h 13m

Direct flights

None
The fastest flight from Idaho Falls to Lexington takes 6h 13m
There are no direct flights from Idaho Falls to Lexington. There are no popular flight routes from Idaho Falls to Lexington.
Search flight deals

Frequently asked questions about flying from Idaho Falls to Lexington

  • 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 6h 13m.

  • 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
Georgetown
Somerset
Winchester
Frankfort
Danville
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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