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Cheap flights from Idaho Falls to Lexington from $369

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 7/11. 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
4:04 pm - 9:28 am
IDA
-
LEX
15h 24m
2 stops
United Airlines Logo
9:00 am - 3:24 pm
LEX
-
IDA
8h 24m
2 stops
$680United Airlines
Wed, Sep 23 - Sat, Sep 26
United Airlines Logo
2:25 pm - 9:28 am
IDA
-
LEX
17h 03m
2 stops
United Airlines Logo
9:00 am - 3:24 pm
LEX
-
IDA
8h 24m
1 stop
$703United Airlines
Wed, Sep 23 - Sat, Sep 26
United Airlines Logo
5:54 pm - 5:03 pm
IDA
-
LEX
21h 09m
2 stops
United Airlines Logo
9:03 am - 9:50 am
LEX
-
IDA
26h 47m
1 stop
$812United Airlines
Fri, Jul 17 - Sun, Jul 19
United Airlines Logo
2:30 pm - 10:25 pm
IDA
-
LEX
5h 55m
1 stop
United Airlines Logo
9:03 am - 9:50 am
LEX
-
IDA
26h 47m
1 stop
$817United Airlines
Fri, Jul 17 - Sun, Jul 19
United Airlines Logo
2:30 pm - 11:59 pm
IDA
-
LEX
7h 29m
2 stops
United Airlines Logo
7:00 am - 11:45 am
LEX
-
IDA
6h 45m
1 stop
$820United Airlines
Sat, Jul 18 - Sat, Jul 25
United Airlines Logo
2:25 pm - 10:38 pm
IDA
-
LEX
6h 13m
1 stop
United Airlines Logo
9:00 am - 3:24 pm
LEX
-
IDA
8h 24m
1 stop
$862United Airlines
Wed, Sep 23 - Sat, Sep 26
United Airlines Logo
5:54 pm - 8:29 pm
IDA
-
LEX
24h 35m
2 stops
United Airlines Logo
7:00 am - 9:50 am
LEX
-
IDA
28h 50m
2 stops
$867United Airlines
Fri, Jul 17 - Sun, Jul 19
Delta Logo
7:00 pm - 9:16 am
IDA
-
LEX
12h 16m
2 stops
Delta Logo
8:00 am - 6:18 pm
LEX
-
IDA
12h 18m
2 stops
$967Delta
Sat, Jul 18 - Sat, Jul 25

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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
Jun 23
IDA2:30 pmIdaho Falls Fanning Field
5h 55m
1 stop
LEX10:25 pmLexington Blue Grass
Jun 27
LEX7:00 amLexington Blue Grass
6h 45m
1 stop
IDA11:45 amIdaho Falls Fanning Field
$629
United Airlines
Sep 23
IDA4:04 pmIdaho Falls Fanning Field
15h 24m
2 stops
LEX9:28 amLexington Blue Grass
Sep 26
LEX9:00 amLexington Blue Grass
8h 24m
2 stops
IDA3:24 pmIdaho Falls Fanning Field
$680
United Airlines
Sep 23
IDA2:25 pmIdaho Falls Fanning Field
17h 03m
2 stops
LEX9:28 amLexington Blue Grass
Sep 26
LEX9:00 amLexington Blue Grass
8h 24m
1 stop
IDA3:24 pmIdaho Falls Fanning Field
$703

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 June 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

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Wed 9/23

4:04 pm-9:28 am

2 stops15h 24m

Lexington Blue Grass

Sat 9/26

9:00 am-3:24 pm

2 stops8h 24m

$680

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Wed 9/23

2:25 pm-9:28 am

2 stops17h 03m

Lexington Blue Grass

Sat 9/26

9:00 am-3:24 pm

1 stop8h 24m

$703

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Fri 7/17

5:54 pm-5:03 pm

2 stops21h 09m

Lexington Blue Grass

Sun 7/19

9:03 am-9:50 am

1 stop26h 47m

$812

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Fri 7/17

2:30 pm-10:25 pm

1 stop5h 55m

Lexington Blue Grass

Sun 7/19

9:03 am-9:50 am

1 stop26h 47m

$817
Quickest round-trip

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Sat 7/18

2:30 pm-11:59 pm

2 stops7h 29m

Lexington Blue Grass

Sat 7/25

7:00 am-11:45 am

1 stop6h 45m

$820

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Wed 9/23

2:25 pm-10:38 pm

1 stop6h 13m

Lexington Blue Grass

Sat 9/26

9:00 am-3:24 pm

1 stop8h 24m

$862

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Fri 7/17

5:54 pm-8:29 pm

2 stops24h 35m

Lexington Blue Grass

Sun 7/19

7:00 am-9:50 am

2 stops28h 50m

$867

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Sat 7/18

7:00 pm-9:16 am

2 stops12h 16m

Lexington Blue Grass

Sat 7/25

8:00 am-6:18 pm

2 stops12h 18m

$967
Cheapest one-way

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Sat 7/11

12:30 pm-8:29 pm

1 stop5h 59m

$369
Quickest one-way

Idaho FallsLexington

IDA - LEX

IDALEX

Idaho Falls Fanning Field

Wed 7/1

2:30 pm-10:25 pm

1 stop5h 55m

$371

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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, Delta, and Allegiant Air 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

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 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
Georgetown
Somerset
Frankfort
Danville
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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