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Cheap flights from Lexington to Idaho Falls from $215

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 7/5. 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
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
9:00 am - 1:30 pm
LEX
-
IDA
6h 30m
1 stop
United Airlines Logo
2:40 pm - 10:18 pm
IDA
-
LEX
5h 38m
1 stop
$404United Airlines
di, feb. 17 - za, feb. 21
United Airlines Logo
9:00 am - 1:24 pm
LEX
-
IDA
6h 24m
1 stop
United Airlines Logo
5:00 am - 4:55 pm
IDA
-
LEX
9h 55m
2 stops
$424United Airlines
di, jul. 28 - di, aug. 25
United Airlines Logo
5:30 am - 1:24 pm
LEX
-
IDA
9h 54m
2 stops
United Airlines Logo
5:00 am - 4:55 pm
IDA
-
LEX
9h 55m
2 stops
$429United Airlines
di, jul. 28 - di, aug. 25
United Airlines Logo
5:30 am - 1:24 pm
LEX
-
IDA
9h 54m
2 stops
United Airlines Logo
5:00 am - 4:55 pm
IDA
-
LEX
9h 55m
2 stops
$450United Airlines
di, jul. 28 - di, aug. 25
United Airlines Logo
9:00 am - 1:30 pm
LEX
-
IDA
6h 30m
1 stop
United Airlines Logo
6:35 am - 4:50 pm
IDA
-
LEX
8h 15m
2 stops
$490United Airlines
di, feb. 17 - za, feb. 21
United Airlines Logo
5:30 am - 1:24 pm
LEX
-
IDA
9h 54m
2 stops
United Airlines Logo
5:00 am - 4:55 pm
IDA
-
LEX
9h 55m
2 stops
$521United Airlines
di, jul. 28 - di, aug. 25
United Airlines Logo
5:30 am - 1:24 pm
LEX
-
IDA
9h 54m
2 stops
United Airlines Logo
5:57 pm - 10:21 pm
IDA
-
LEX
26h 24m
1 stop
$534United Airlines
di, jul. 28 - di, aug. 25
United Airlines Logo
10:35 am - 8:58 pm
LEX
-
IDA
12h 23m
2 stops
United Airlines Logo
6:35 am - 4:50 pm
IDA
-
LEX
8h 15m
2 stops
$591United Airlines
di, feb. 17 - za, feb. 21
United Airlines Logo
8:45 am - 9:53 am
LEX
-
IDA
27h 08m
1 stop
United Airlines Logo
5:20 pm - 5:02 pm
IDA
-
LEX
21h 42m
2 stops
$647United Airlines
vr, apr. 17 - zo, apr. 26
United Airlines Logo
9:00 pm - 9:53 am
LEX
-
IDA
14h 53m
2 stops
United Airlines Logo
5:20 pm - 11:45 pm
IDA
-
LEX
28h 25m
2 stops
$652United Airlines
vr, apr. 17 - zo, apr. 26

United Airlines flights from Lexington to Idaho Falls

Our best United Airlines deals on Lexington to Idaho Falls flight tickets
United Airlines
Feb 17
LEX9:00 amLexington Blue Grass
6h 30m
1 stop
IDA1:30 pmIdaho Falls Fanning Field
Feb 21
IDA2:40 pmIdaho Falls Fanning Field
5h 38m
1 stop
LEX10:18 pmLexington Blue Grass
$404
United Airlines
Jul 28
LEX9:00 amLexington Blue Grass
6h 24m
1 stop
IDA1:24 pmIdaho Falls Fanning Field
Aug 25
IDA5:00 amIdaho Falls Fanning Field
9h 55m
2 stops
LEX4:55 pmLexington Blue Grass
$424
United Airlines
Jul 28
LEX5:30 amLexington Blue Grass
9h 54m
2 stops
IDA1:24 pmIdaho Falls Fanning Field
Aug 25
IDA5:00 amIdaho Falls Fanning Field
9h 55m
2 stops
LEX4:55 pmLexington Blue Grass
$429

American Airlines flights from Lexington to Idaho Falls

Our best American Airlines deals on Lexington to Idaho Falls flight tickets
American Airlines
Jul 28
LEX7:24 pmLexington Blue Grass
19h 49m
1 stop
IDA1:13 pmIdaho Falls Fanning Field
Aug 25
IDA7:00 amIdaho Falls Fanning Field
14h 20m
2 stops
LEX11:20 pmLexington Blue Grass
$657
American Airlines
Apr 13
LEX7:00 amLexington Blue Grass
8h 13m
1 stop
IDA1:13 pmIdaho Falls Fanning Field
Apr 17
IDA1:43 pmIdaho Falls Fanning Field
7h 10m
1 stop
LEX10:53 pmLexington Blue Grass
$751
American Airlines
Apr 17
LEX7:00 amLexington Blue Grass
8h 13m
1 stop
IDA1:13 pmIdaho Falls Fanning Field
Apr 26
IDA1:43 pmIdaho Falls Fanning Field
18h 48m
2 stops
LEX10:31 amLexington Blue Grass
$908

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 februari 5, 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

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

di 2/17

9:00 am-1:30 pm

1 stop6h 30m

Idaho Falls Fanning Field

za 2/21

2:40 pm-10:18 pm

1 stop5h 38m

$404

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

di 7/28

9:00 am-1:24 pm

1 stop6h 24m

Idaho Falls Fanning Field

di 8/25

5:00 am-4:55 pm

2 stops9h 55m

$424

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

di 7/28

5:30 am-1:24 pm

2 stops9h 54m

Idaho Falls Fanning Field

di 8/25

5:00 am-4:55 pm

2 stops9h 55m

$429

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

di 7/28

5:30 am-1:24 pm

2 stops9h 54m

Idaho Falls Fanning Field

di 8/25

5:00 am-4:55 pm

2 stops9h 55m

$450

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

di 2/17

9:00 am-1:30 pm

1 stop6h 30m

Idaho Falls Fanning Field

za 2/21

6:35 am-4:50 pm

2 stops8h 15m

$490

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

di 7/28

5:30 am-1:24 pm

2 stops9h 54m

Idaho Falls Fanning Field

di 8/25

5:00 am-4:55 pm

2 stops9h 55m

$521

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

di 7/28

5:30 am-1:24 pm

2 stops9h 54m

Idaho Falls Fanning Field

di 8/25

5:57 pm-10:21 pm

1 stop26h 24m

$534

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

di 2/17

10:35 am-8:58 pm

2 stops12h 23m

Idaho Falls Fanning Field

za 2/21

6:35 am-4:50 pm

2 stops8h 15m

$591

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

vr 4/17

8:45 am-9:53 am

1 stop27h 08m

Idaho Falls Fanning Field

zo 4/26

5:20 pm-5:02 pm

2 stops21h 42m

$647

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

vr 4/17

9:00 pm-9:53 am

2 stops14h 53m

Idaho Falls Fanning Field

zo 4/26

5:20 pm-11:45 pm

2 stops28h 25m

$652

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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?

Allegiant Air 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

6h 40m

Direct flights

None
The fastest flight from Lexington to Idaho Falls takes 6h 40m
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 6h 40m, 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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