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Cheap flights from Lexington to Idaho Falls from $413

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lexington to Idaho Falls departing on 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Lexington to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:03 am - 1:24 pm
LEX
-
IDA
6h 21m
1 stop
United Airlines Logo
2:30 pm - 10:33 pm
IDA
-
LEX
6h 03m
1 stop
$454United Airlines
Thu, Aug 20 - Sat, Aug 29
American Airlines Logo
5:44 pm - 10:11 pm
LEX
-
IDA
6h 27m
1 stop
American Airlines Logo
7:00 am - 5:14 pm
IDA
-
LEX
8h 14m
1 stop
$475American Airlines
Tue, Jul 28 - Tue, Aug 25
Delta Logo
8:30 am - 6:14 pm
LEX
-
IDA
11h 44m
2 stops
Delta Logo
6:54 pm - 9:21 am
IDA
-
LEX
12h 27m
2 stops
$539Delta
Sat, May 16 - Fri, May 22
United Airlines Logo
7:44 pm - 9:50 am
LEX
-
IDA
16h 06m
2 stops
United Airlines Logo
2:30 pm - 10:33 pm
IDA
-
LEX
6h 03m
1 stop
$568United Airlines
Tue, Jul 28 - Tue, Aug 25
United Airlines Logo
9:03 am - 1:24 pm
LEX
-
IDA
6h 21m
1 stop
United Airlines Logo
10:35 am - 10:30 pm
IDA
-
LEX
9h 55m
2 stops
$575United Airlines
Thu, Aug 20 - Sat, Aug 29
Delta Logo
7:05 am - 2:41 pm
LEX
-
IDA
9h 36m
2 stops
Delta Logo
6:50 pm - 9:24 am
IDA
-
LEX
12h 34m
2 stops
$579Delta
Tue, Jul 28 - Tue, Aug 25
Multiple Airlines Logo
9:56 pm - 1:00 pm
LEX
-
IDA
17h 04m
1 stop
Multiple Airlines Logo
9:46 am - 8:54 pm
IDA
-
LEX
33h 08m
2 stops
$603Multiple Airlines
Thu, May 21 - Thu, May 28
Delta Logo
7:05 am - 2:41 pm
LEX
-
IDA
9h 36m
2 stops
Delta Logo
6:50 pm - 9:24 am
IDA
-
LEX
12h 34m
2 stops
$609Delta
Tue, Jul 28 - Tue, Aug 25
American Airlines Logo
6:53 pm - 1:38 pm
LEX
-
IDA
20h 45m
1 stop
American Airlines Logo
12:44 pm - 10:42 am
IDA
-
LEX
19h 58m
1 stop
$637American Airlines
Tue, Jun 23 - Tue, Jun 30
American Airlines Logo
7:00 am - 11:39 pm
LEX
-
IDA
18h 39m
2 stops
American Airlines Logo
12:44 pm - 6:18 pm
IDA
-
LEX
27h 34m
1 stop
$642American Airlines
Sat, May 16 - Fri, May 22

American Airlines flights from Lexington to Idaho Falls

Our best American Airlines deals on Lexington to Idaho Falls flight tickets
American Airlines
Jul 28
LEX5:44 pmLexington Blue Grass
6h 27m
1 stop
IDA10:11 pmIdaho Falls Fanning Field
Aug 25
IDA7:00 amIdaho Falls Fanning Field
8h 14m
1 stop
LEX5:14 pmLexington Blue Grass
$475
American Airlines
Jun 23
LEX6:53 pmLexington Blue Grass
20h 45m
1 stop
IDA1:38 pmIdaho Falls Fanning Field
Jun 30
IDA12:44 pmIdaho Falls Fanning Field
19h 58m
1 stop
LEX10:42 amLexington Blue Grass
$637
American Airlines
May 16
LEX7:00 amLexington Blue Grass
18h 39m
2 stops
IDA11:39 pmIdaho Falls Fanning Field
May 22
IDA12:44 pmIdaho Falls Fanning Field
27h 34m
1 stop
LEX6:18 pmLexington Blue Grass
$642

United Airlines flights from Lexington to Idaho Falls

Our best United Airlines deals on Lexington to Idaho Falls flight tickets
United Airlines
Aug 20
LEX9:03 amLexington Blue Grass
6h 21m
1 stop
IDA1:24 pmIdaho Falls Fanning Field
Aug 29
IDA2:30 pmIdaho Falls Fanning Field
6h 03m
1 stop
LEX10:33 pmLexington Blue Grass
$454
United Airlines
Jul 28
LEX7:44 pmLexington Blue Grass
16h 06m
2 stops
IDA9:50 amIdaho Falls Fanning Field
Aug 25
IDA2:30 pmIdaho Falls Fanning Field
6h 03m
1 stop
LEX10:33 pmLexington Blue Grass
$568
United Airlines
Aug 20
LEX9:03 amLexington Blue Grass
6h 21m
1 stop
IDA1:24 pmIdaho Falls Fanning Field
Aug 29
IDA10:35 amIdaho Falls Fanning Field
9h 55m
2 stops
LEX10:30 pmLexington Blue Grass
$575

momondo 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, momondo users made 832,500 searches. Data last updated March 29, 2026.
Use the filters below to find and compare flights from Lexington to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Thu 8/20

9:03 am-1:24 pm

1 stop6h 21m

Idaho Falls Fanning Field

Sat 8/29

2:30 pm-10:33 pm

1 stop6h 03m

$454

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Tue 7/28

5:44 pm-10:11 pm

1 stop6h 27m

Idaho Falls Fanning Field

Tue 8/25

7:00 am-5:14 pm

1 stop8h 14m

$475

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Sat 5/16

8:30 am-6:14 pm

2 stops11h 44m

Idaho Falls Fanning Field

Fri 5/22

6:54 pm-9:21 am

2 stops12h 27m

$539

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Tue 7/28

7:44 pm-9:50 am

2 stops16h 06m

Idaho Falls Fanning Field

Tue 8/25

2:30 pm-10:33 pm

1 stop6h 03m

$568

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Thu 8/20

9:03 am-1:24 pm

1 stop6h 21m

Idaho Falls Fanning Field

Sat 8/29

10:35 am-10:30 pm

2 stops9h 55m

$575

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Tue 7/28

7:05 am-2:41 pm

2 stops9h 36m

Idaho Falls Fanning Field

Tue 8/25

6:50 pm-9:24 am

2 stops12h 34m

$579

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Thu 5/21

9:56 pm-1:00 pm

1 stop17h 04m

Idaho Falls Fanning Field

Thu 5/28

9:46 am-8:54 pm

2 stops33h 08m

$603

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Tue 7/28

7:05 am-2:41 pm

2 stops9h 36m

Idaho Falls Fanning Field

Tue 8/25

6:50 pm-9:24 am

2 stops12h 34m

$609

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Tue 6/23

6:53 pm-1:38 pm

1 stop20h 45m

Idaho Falls Fanning Field

Tue 6/30

12:44 pm-10:42 am

1 stop19h 58m

$637

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Sat 5/16

7:00 am-11:39 pm

2 stops18h 39m

Idaho Falls Fanning Field

Fri 5/22

12:44 pm-6:18 pm

1 stop27h 34m

$642

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Idaho Falls from

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

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 Lexington Blue Grass to Idaho Falls Fanning Field?

Alaska Airlines and United Airlines are the most popular carriers operating from Lexington Blue Grass to Idaho Falls Fanning Field

What airlines fly to Idaho Falls?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Idaho Falls from Lexington according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Idaho Falls. Keep in mind that there are 3 different airlines that fly to Idaho Falls on a routine basis, so you have a few additional options to choose from.

When to book flights from Lexington to Idaho Falls

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

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

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

Fastest flight time

8h 31m

Direct flights

None
The fastest flight from Lexington to Idaho Falls takes 8h 31m
There are no direct flights from Lexington to Idaho Falls. There are no popular flight routes from Lexington to Idaho Falls.
Search flight deals

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

    Idaho Falls Fanning Field is 1480.6 mi away from Lexington Blue Grass. Flights usually cover this in 8h 31m, depending on flying conditions and air traffic around both airports.

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lexington Blue Grass Airport to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The required travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Lexington to Idaho Falls. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Idaho Falls from Lexington which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Idaho Falls from Lexington. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Idaho Falls from Lexington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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