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Cheap flights from Lexington to Idaho Falls from $377

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Lexington to Idaho Falls departing on 8/29. 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

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
7:00 am - 11:38 am
LEX
-
IDA
6h 38m
1 stop
United Airlines Logo
2:25 pm - 10:38 pm
IDA
-
LEX
6h 13m
1 stop
$377United Airlines
Sat, Aug 29 - Sat, Sep 12
United Airlines Logo
7:00 am - 1:29 pm
LEX
-
IDA
8h 29m
2 stops
United Airlines Logo
2:25 pm - 10:38 pm
IDA
-
LEX
6h 13m
1 stop
$382United Airlines
Sat, Aug 29 - Sat, Sep 12
United Airlines Logo
7:00 am - 11:39 am
LEX
-
IDA
6h 39m
1 stop
United Airlines Logo
2:25 pm - 10:38 pm
IDA
-
LEX
6h 13m
1 stop
$416United Airlines
Sat, Sep 12 - Sat, Sep 19
United Airlines Logo
7:00 am - 3:23 pm
LEX
-
IDA
10h 23m
2 stops
United Airlines Logo
10:35 am - 12:05 am
IDA
-
LEX
11h 30m
2 stops
$436United Airlines
Sat, Aug 29 - Sat, Sep 12
United Airlines Logo
7:10 am - 1:31 pm
LEX
-
IDA
8h 21m
2 stops
United Airlines Logo
2:32 pm - 10:36 pm
IDA
-
LEX
6h 04m
1 stop
$440United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
7:10 am - 1:31 pm
LEX
-
IDA
8h 21m
2 stops
United Airlines Logo
10:35 am - 10:33 pm
IDA
-
LEX
9h 58m
2 stops
$461United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
9:00 am - 1:31 pm
LEX
-
IDA
6h 31m
1 stop
United Airlines Logo
2:32 pm - 10:36 pm
IDA
-
LEX
6h 04m
1 stop
$544United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
7:00 am - 3:23 pm
LEX
-
IDA
10h 23m
2 stops
United Airlines Logo
10:35 am - 12:05 am
IDA
-
LEX
11h 30m
2 stops
$552United Airlines
Sat, Sep 12 - Sat, Sep 19
United Airlines Logo
9:03 am - 1:25 pm
LEX
-
IDA
6h 22m
1 stop
United Airlines Logo
2:30 pm - 10:25 pm
IDA
-
LEX
5h 55m
1 stop
$1,066United Airlines
Wed, Jul 15 - Sun, Jul 19
United Airlines Logo
7:00 am - 3:34 pm
LEX
-
IDA
10h 34m
2 stops
United Airlines Logo
2:30 pm - 10:25 pm
IDA
-
LEX
5h 55m
1 stop
$1,130United Airlines
Wed, Jul 15 - Sun, Jul 19

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American Airlines flights from Lexington to Idaho Falls

Our best American Airlines deals on Lexington to Idaho Falls flight tickets
American Airlines
Jul 5
LEX5:44 pmLexington Blue Grass
6h 27m
1 stop
IDA10:11 pmIdaho Falls Fanning Field
Jul 12
IDA7:00 amIdaho Falls Fanning Field
8h 14m
1 stop
LEX5:14 pmLexington Blue Grass
$809
American Airlines
Jul 5
LEX5:00 amLexington Blue Grass
10h 23m
2 stops
IDA1:23 pmIdaho Falls Fanning Field
Jul 12
IDA7:00 amIdaho Falls Fanning Field
8h 14m
1 stop
LEX5:14 pmLexington Blue Grass
$1,076
American Airlines
Jul 5
LEX5:00 amLexington Blue Grass
10h 23m
2 stops
IDA1:23 pmIdaho Falls Fanning Field
Jul 12
IDA7:00 amIdaho Falls Fanning Field
15h 13m
2 stops
LEX12:13 amLexington Blue Grass
$1,328

United Airlines flights from Lexington to Idaho Falls

Our best United Airlines deals on Lexington to Idaho Falls flight tickets
United Airlines
Aug 29
LEX7:00 amLexington Blue Grass
6h 38m
1 stop
IDA11:38 amIdaho Falls Fanning Field
Sep 12
IDA2:25 pmIdaho Falls Fanning Field
6h 13m
1 stop
LEX10:38 pmLexington Blue Grass
$377
United Airlines
Aug 29
LEX7:00 amLexington Blue Grass
8h 29m
2 stops
IDA1:29 pmIdaho Falls Fanning Field
Sep 12
IDA2:25 pmIdaho Falls Fanning Field
6h 13m
1 stop
LEX10:38 pmLexington Blue Grass
$382
United Airlines
Sep 12
LEX7:00 amLexington Blue Grass
6h 39m
1 stop
IDA11:39 amIdaho Falls Fanning Field
Sep 19
IDA2:25 pmIdaho Falls Fanning Field
6h 13m
1 stop
LEX10:38 pmLexington Blue Grass
$416

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 July 3, 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

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Sat 8/29

7:00 am-11:38 am

1 stop6h 38m

Idaho Falls Fanning Field

Sat 9/12

2:25 pm-10:38 pm

1 stop6h 13m

$377

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Sat 8/29

7:00 am-1:29 pm

2 stops8h 29m

Idaho Falls Fanning Field

Sat 9/12

2:25 pm-10:38 pm

1 stop6h 13m

$382

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Sat 9/12

7:00 am-11:39 am

1 stop6h 39m

Idaho Falls Fanning Field

Sat 9/19

2:25 pm-10:38 pm

1 stop6h 13m

$416

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Sat 8/29

7:00 am-3:23 pm

2 stops10h 23m

Idaho Falls Fanning Field

Sat 9/12

10:35 am-12:05 am

2 stops11h 30m

$436

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Tue 11/3

7:10 am-1:31 pm

2 stops8h 21m

Idaho Falls Fanning Field

Sat 11/7

2:32 pm-10:36 pm

1 stop6h 04m

$440

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Tue 11/3

7:10 am-1:31 pm

2 stops8h 21m

Idaho Falls Fanning Field

Sat 11/7

10:35 am-10:33 pm

2 stops9h 58m

$461

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Tue 11/3

9:00 am-1:31 pm

1 stop6h 31m

Idaho Falls Fanning Field

Sat 11/7

2:32 pm-10:36 pm

1 stop6h 04m

$544

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Sat 9/12

7:00 am-3:23 pm

2 stops10h 23m

Idaho Falls Fanning Field

Sat 9/19

10:35 am-12:05 am

2 stops11h 30m

$552
Quickest round-trip

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Wed 7/15

9:03 am-1:25 pm

1 stop6h 22m

Idaho Falls Fanning Field

Sun 7/19

2:30 pm-10:25 pm

1 stop5h 55m

$1,066

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Wed 7/15

7:00 am-3:34 pm

2 stops10h 34m

Idaho Falls Fanning Field

Sun 7/19

2:30 pm-10:25 pm

1 stop5h 55m

$1,130

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 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 50% 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 38m

Direct flights

None
The fastest flight from Lexington to Idaho Falls takes 6h 38m
There are no direct flights from Lexington to Idaho Falls. There are no popular flight routes from Lexington to Idaho Falls.
Search flight deals

Frequently asked questions about flying from Lexington to Idaho Falls

  • 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 38m, 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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