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Cheap flights from Lexington to Idaho Falls from $393

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 11/15. 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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Find the cheapest flights from Lexington to Idaho Falls

Cheap round-trip flights

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Delta Logo
7:45 am - 10:33 pmLEX-IDA
16h 48m2 stops
Delta Logo
6:57 pm - 9:27 amIDA-LEX
12h 30m2 stops
$393Delta
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Sat, Nov 15 - Tue, Nov 18
American Airlines Logo
7:00 am - 1:28 pmLEX-IDA
8h 28m1 stop
American Airlines Logo
1:58 pm - 9:56 pmIDA-LEX
5h 58m1 stop
$434American Airlines
Find Deal
Sat, Nov 15 - Tue, Nov 18
American Airlines Logo
7:00 am - 1:28 pmLEX-IDA
8h 28m1 stop
American Airlines Logo
1:58 pm - 9:56 pmIDA-LEX
5h 58m1 stop
$439American Airlines
Find Deal
Sat, Nov 15 - Tue, Nov 18
American Airlines Logo
6:00 am - 10:34 pmLEX-IDA
18h 34m2 stops
American Airlines Logo
1:58 pm - 9:56 pmIDA-LEX
5h 58m1 stop
$520American Airlines
Find Deal
Sat, Nov 15 - Tue, Nov 18
United Airlines Logo
9:00 am - 9:48 amLEX-IDA
26h 48m1 stop
United Airlines Logo
8:30 am - 6:46 pmIDA-LEX
8h 16m2 stops
$528United Airlines
Find Deal
Tue, Nov 4 - Sat, Nov 8
United Airlines Logo
5:45 pm - 1:35 pmLEX-IDA
21h 50m2 stops
United Airlines Logo
8:30 am - 6:46 pmIDA-LEX
8h 16m2 stops
$533United Airlines
Find Deal
Tue, Nov 4 - Sat, Nov 8
United Airlines Logo
9:00 am - 1:35 pmLEX-IDA
6h 35m1 stop
United Airlines Logo
8:30 am - 11:44 pmIDA-LEX
13h 14m2 stops
$568United Airlines
Find Deal
Sat, Nov 15 - Tue, Nov 18
United Airlines Logo
9:00 am - 1:35 pmLEX-IDA
6h 35m1 stop
United Airlines Logo
8:30 am - 10:17 pmIDA-LEX
11h 47m1 stop
$783United Airlines
Find Deal
Tue, Nov 4 - Sat, Nov 8

American Airlines flights from Lexington to Idaho Falls

Our best American Airlines deals on Lexington to Idaho Falls flight tickets
American Airlines
Nov 15
LEX7:00 amLexington Blue Grass
8h 28m
1 stop
IDA1:28 pmIdaho Falls Fanning Field
Nov 18
IDA1:58 pmIdaho Falls Fanning Field
5h 58m
1 stop
LEX9:56 pmLexington Blue Grass
$434
Find similar
American Airlines
Nov 15
LEX7:00 amLexington Blue Grass
8h 28m
1 stop
IDA1:28 pmIdaho Falls Fanning Field
Nov 18
IDA1:58 pmIdaho Falls Fanning Field
5h 58m
1 stop
LEX9:56 pmLexington Blue Grass
$439
Find similar
American Airlines
Nov 15
LEX6:00 amLexington Blue Grass
18h 34m
2 stops
IDA10:34 pmIdaho Falls Fanning Field
Nov 18
IDA1:58 pmIdaho Falls Fanning Field
5h 58m
1 stop
LEX9:56 pmLexington Blue Grass
$520
Find similar

United Airlines flights from Lexington to Idaho Falls

Our best United Airlines deals on Lexington to Idaho Falls flight tickets
United Airlines
Nov 4
LEX9:00 amLexington Blue Grass
26h 48m
1 stop
IDA9:48 amIdaho Falls Fanning Field
Nov 8
IDA8:30 amIdaho Falls Fanning Field
8h 16m
2 stops
LEX6:46 pmLexington Blue Grass
$528
Find similar
United Airlines
Nov 4
LEX5:45 pmLexington Blue Grass
21h 50m
2 stops
IDA1:35 pmIdaho Falls Fanning Field
Nov 8
IDA8:30 amIdaho Falls Fanning Field
8h 16m
2 stops
LEX6:46 pmLexington Blue Grass
$533
Find similar
United Airlines
Nov 15
LEX9:00 amLexington Blue Grass
6h 35m
1 stop
IDA1:35 pmIdaho Falls Fanning Field
Nov 18
IDA8:30 amIdaho Falls Fanning Field
13h 14m
2 stops
LEX11:44 pmLexington Blue Grass
$568
Find similar

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 October 22, 2025.
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

Sat 11/15

7:45 am-10:33 pm

2 stops16h 48m

Idaho Falls Fanning Field

Tue 11/18

6:57 pm-9:27 am

2 stops12h 30m

$393

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Sat 11/15

7:00 am-1:28 pm

1 stop8h 28m

Idaho Falls Fanning Field

Tue 11/18

1:58 pm-9:56 pm

1 stop5h 58m

$434

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Sat 11/15

7:00 am-1:28 pm

1 stop8h 28m

Idaho Falls Fanning Field

Tue 11/18

1:58 pm-9:56 pm

1 stop5h 58m

$439

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Sat 11/15

6:00 am-10:34 pm

2 stops18h 34m

Idaho Falls Fanning Field

Tue 11/18

1:58 pm-9:56 pm

1 stop5h 58m

$520

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Tue 11/4

9:00 am-9:48 am

1 stop26h 48m

Idaho Falls Fanning Field

Sat 11/8

8:30 am-6:46 pm

2 stops8h 16m

$528

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Tue 11/4

5:45 pm-1:35 pm

2 stops21h 50m

Idaho Falls Fanning Field

Sat 11/8

8:30 am-6:46 pm

2 stops8h 16m

$533

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Sat 11/15

9:00 am-1:35 pm

1 stop6h 35m

Idaho Falls Fanning Field

Tue 11/18

8:30 am-11:44 pm

2 stops13h 14m

$568

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Tue 11/4

9:00 am-1:35 pm

1 stop6h 35m

Idaho Falls Fanning Field

Sat 11/8

8:30 am-10:17 pm

1 stop11h 47m

$783

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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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 day to depart on your flight to Idaho Falls?

Our data shows that Saturday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $405. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Friday is $626.

What is the cheapest time of day to depart on your flight to Idaho Falls?

Our most recent data shows that the best time of day to fly to Idaho Falls is at noon. Flights from Lexington to Idaho Falls during this time can be as low as $452. Try not to purchase tickets in the morning because they tend to be around $626. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Direct flights

None
There are no direct flights from Lexington to Idaho Falls. There are no popular flight routes from Lexington to Idaho Falls.
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  • 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 35m, 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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