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Cheap flights from Lexington to Idaho Falls from $365

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 9/4. 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 (LEX-IDA)

Cheap round-trip flights

American Airlines Logo
4:41 pm - 9:25 pmLEX-IDA
6h 44m1 stop
American Airlines Logo
12:54 pm - 11:10 pmIDA-LEX
8h 16m1 stop
$365American Airlines
Find Deal
Thu, Sep 4 - Tue, Sep 9
Delta Logo
6:15 pm - 10:25 pmLEX-IDA
30h 10m2 stops
Delta Logo
6:51 pm - 9:21 amIDA-LEX
12h 30m2 stops
$393Delta
Find Deal
Sat, Sep 13 - Tue, Sep 23
American Airlines Logo
4:41 pm - 9:25 pmLEX-IDA
6h 44m1 stop
American Airlines Logo
12:54 pm - 11:10 pmIDA-LEX
8h 16m1 stop
$425American Airlines
Find Deal
Thu, Sep 4 - Tue, Sep 9
United Airlines Logo
9:20 am - 3:11 pmLEX-IDA
7h 51m1 stop
United Airlines Logo
5:00 am - 5:07 pmIDA-LEX
10h 07m2 stops
$435United Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23
United Airlines Logo
7:00 am - 3:11 pmLEX-IDA
10h 11m2 stops
United Airlines Logo
5:00 am - 5:07 pmIDA-LEX
10h 07m2 stops
$440United Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23
United Airlines Logo
11:10 am - 9:47 amLEX-IDA
24h 37m2 stops
United Airlines Logo
5:00 am - 5:07 pmIDA-LEX
10h 07m2 stops
$452United Airlines
Find Deal
Fri, Sep 12 - Tue, Sep 23
Delta Logo
7:53 pm - 6:11 pmLEX-IDA
24h 18m2 stops
Delta Logo
6:51 pm - 9:21 amIDA-LEX
12h 30m2 stops
$453Delta
Find Deal
Mon, Sep 15 - Tue, Sep 23
United Airlines Logo
9:20 am - 3:11 pmLEX-IDA
7h 51m1 stop
United Airlines Logo
2:35 pm - 10:16 pmIDA-LEX
5h 41m1 stop
$471United Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23
United Airlines Logo
9:20 am - 3:11 pmLEX-IDA
7h 51m1 stop
United Airlines Logo
2:35 pm - 11:59 pmIDA-LEX
7h 24m2 stops
$476United Airlines
Find Deal
Tue, Sep 16 - Wed, Sep 24
American Airlines Logo
4:41 pm - 9:25 pmLEX-IDA
6h 44m1 stop
American Airlines Logo
12:54 pm - 11:13 pmIDA-LEX
8h 19m1 stop
$480American Airlines
Find Deal
Mon, Sep 22 - Sat, Sep 27

American Airlines flights from Lexington to Idaho Falls

Our best American Airlines deals on Lexington to Idaho Falls flight tickets
American Airlines
Sep 4
LEX4:41 pmLexington Blue Grass
6h 44m
1 stop
IDA9:25 pmIdaho Falls Fanning Field
Sep 9
IDA12:54 pmIdaho Falls Fanning Field
8h 16m
1 stop
LEX11:10 pmLexington Blue Grass
$365
Find similar
American Airlines
Sep 4
LEX4:41 pmLexington Blue Grass
6h 44m
1 stop
IDA9:25 pmIdaho Falls Fanning Field
Sep 9
IDA12:54 pmIdaho Falls Fanning Field
8h 16m
1 stop
LEX11:10 pmLexington Blue Grass
$425
Find similar
American Airlines
Sep 22
LEX4:41 pmLexington Blue Grass
6h 44m
1 stop
IDA9:25 pmIdaho Falls Fanning Field
Sep 27
IDA12:54 pmIdaho Falls Fanning Field
8h 19m
1 stop
LEX11:13 pmLexington Blue Grass
$480
Find similar

Delta flights from Lexington to Idaho Falls

Our best Delta deals on Lexington to Idaho Falls flight tickets
Delta
Sep 13
LEX6:15 pmLexington Blue Grass
30h 10m
2 stops
IDA10:25 pmIdaho Falls Fanning Field
Sep 23
IDA6:51 pmIdaho Falls Fanning Field
12h 30m
2 stops
LEX9:21 amLexington Blue Grass
$393
Find similar
Delta
Sep 15
LEX7:53 pmLexington Blue Grass
24h 18m
2 stops
IDA6:11 pmIdaho Falls Fanning Field
Sep 23
IDA6:51 pmIdaho Falls Fanning Field
12h 30m
2 stops
LEX9:21 amLexington Blue Grass
$453
Find similar
Delta
Sep 17
LEX6:00 amLexington Blue Grass
18h 25m
2 stops
IDA10:25 pmIdaho Falls Fanning Field
Sep 22
IDA6:51 pmIdaho Falls Fanning Field
12h 30m
2 stops
LEX9:21 amLexington Blue Grass
$538
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 August 18, 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

Thu 9/4

4:41 pm-9:25 pm

1 stop6h 44m

Idaho Falls Fanning Field

Tue 9/9

12:54 pm-11:10 pm

1 stop8h 16m

$365

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Sat 9/13

6:15 pm-10:25 pm

2 stops30h 10m

Idaho Falls Fanning Field

Tue 9/23

6:51 pm-9:21 am

2 stops12h 30m

$393

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Thu 9/4

4:41 pm-9:25 pm

1 stop6h 44m

Idaho Falls Fanning Field

Tue 9/9

12:54 pm-11:10 pm

1 stop8h 16m

$425

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Tue 9/16

9:20 am-3:11 pm

1 stop7h 51m

Idaho Falls Fanning Field

Tue 9/23

5:00 am-5:07 pm

2 stops10h 07m

$435

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Tue 9/16

7:00 am-3:11 pm

2 stops10h 11m

Idaho Falls Fanning Field

Tue 9/23

5:00 am-5:07 pm

2 stops10h 07m

$440

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Fri 9/12

11:10 am-9:47 am

2 stops24h 37m

Idaho Falls Fanning Field

Tue 9/23

5:00 am-5:07 pm

2 stops10h 07m

$452

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Mon 9/15

7:53 pm-6:11 pm

2 stops24h 18m

Idaho Falls Fanning Field

Tue 9/23

6:51 pm-9:21 am

2 stops12h 30m

$453

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Tue 9/16

9:20 am-3:11 pm

1 stop7h 51m

Idaho Falls Fanning Field

Tue 9/23

2:35 pm-10:16 pm

1 stop5h 41m

$471

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Tue 9/16

9:20 am-3:11 pm

1 stop7h 51m

Idaho Falls Fanning Field

Wed 9/24

2:35 pm-11:59 pm

2 stops7h 24m

$476

LexingtonIdaho Falls

LEX - IDA

LEXIDA

Lexington Blue Grass

Mon 9/22

4:41 pm-9:25 pm

1 stop6h 44m

Idaho Falls Fanning Field

Sat 9/27

12:54 pm-11:13 pm

1 stop8h 19m

$480

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 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

Best Price Found

$365

Fastest flight time

6h 44m

Direct flights

None

Airports in Idaho Falls

1 airport
The best flight deal from Lexington to Idaho Falls found on momondo in the last 72 hours is $365
The fastest flight from Lexington to Idaho Falls takes 6h 44m
There are no direct flights from Lexington to Idaho Falls. Popular non-direct route for this connection is Lexington Blue Grass Airport - Idaho Falls Fanning Field Airport.
There is 1 airport near Idaho Falls: Idaho Falls Fanning Field (IDA)
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 44m, 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 many operators does momondo search for flights from Lexington Blue Grass Airport to Idaho Falls Fanning Field Airport?

  • 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.

  • What is the most popular airline from Lexington to Idaho Falls?

Best airlines flying from Lexington to Idaho Falls

Compare and see reviews for airlines that fly from Lexington to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $549Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

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?

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