What airlines fly to Idaho Falls?

Allegiant Air, Delta and United Airlines are the top three most popular airlines that fly to Idaho Falls from Las Vegas according to our data. Allegiant Air is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Idaho Falls. Keep in mind that there are 4 different airlines that fly to Idaho Falls on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Las Vegas Harry Reid Intl to Idaho Falls Fanning Field?

Hawaiian Airlines, Delta, and Alaska Airlines are the most popular carriers operating from Las Vegas Harry Reid Intl to Idaho Falls Fanning Field

When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Idaho Falls Fanning Field Airport?

Prices for flights from Las Vegas Harry Reid Intl Airport to Idaho Falls Fanning Field Airport are updated daily.

How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Idaho Falls Fanning Field Airport?

The number of operators available for flights from Las Vegas Harry Reid Intl Airport to Idaho Falls Fanning Field Airport is 3 as of July 2025.

How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Idaho Falls Fanning Field Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Las Vegas Harry Reid Intl 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.

$48 Cheap Flights from Las Vegas to Idaho Falls in 2025

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Find the cheapest flights from Las Vegas to Idaho Falls

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

8:44 am - 11:30 amLAS-IDA

1h 46mnonstop

6:20 pm - 7:06 pmIDA-LAS

1h 46mnonstop

$96Allegiant Air

Find Deal

Fri, Aug 15 - Mon, Aug 18

9:00 am - 11:46 amLAS-IDA

1h 46mnonstop

9:39 pm - 10:23 pmIDA-LAS

1h 44mnonstop

$105Allegiant Air

Find Deal

Mon, Sep 1 - Mon, Sep 15

1:13 pm - 3:59 pmLAS-IDA

1h 46mnonstop

10:55 pm - 11:39 pmIDA-LAS

1h 44mnonstop

$110Allegiant Air

Find Deal

Fri, Aug 29 - Fri, Sep 5

10:25 pm - 6:41 pmLAS-IDA

19h 16m2 stops

6:20 pm - 7:06 pmIDA-LAS

1h 46mnonstop

$156

Find Deal

Thu, Aug 14 - Mon, Aug 18

10:25 pm - 6:41 pmLAS-IDA

19h 16m2 stops

7:31 pm - 7:34 amIDA-LAS

13h 03m1 stop

$172

Find Deal

Thu, Aug 14 - Mon, Aug 18

7:50 am - 3:38 pmLAS-IDA

6h 48m1 stop

6:05 am - 1:26 pmIDA-LAS

8h 21m1 stop

$240Hawaiian Airlines

Find Deal

Tue, Oct 21 - Tue, Oct 28

6:15 am - 10:39 amLAS-IDA

3h 24m1 stop

6:52 pm - 11:47 pmIDA-LAS

5h 55m1 stop

$270Delta

Find Deal

Wed, Aug 20 - Sun, Aug 24

6:20 am - 12:26 pmLAS-IDA

5h 06m1 stop

6:51 pm - 11:29 pmIDA-LAS

5h 38m1 stop

$280Delta

Find Deal

Tue, Sep 23 - Tue, Sep 23

6:00 am - 1:32 pmLAS-IDA

6h 32m1 stop

6:03 pm - 9:59 pmIDA-LAS

4h 56m1 stop

$369United Airlines

Find Deal

Wed, Aug 13 - Sat, Aug 16

4:43 pm - 10:51 pmLAS-IDA

5h 08m1 stop

6:03 pm - 9:59 pmIDA-LAS

4h 56m1 stop

$371United Airlines

Find Deal

Fri, Aug 15 - Mon, Aug 18

Allegiant Air flights from Las Vegas to Idaho Falls

Our best Allegiant Air deals on Las Vegas to Idaho Falls flight tickets

Allegiant Air

Aug 15

LAS8:44 amLas Vegas Harry Reid Intl

1h 46m

IDA11:30 amIdaho Falls Fanning Field

Aug 18

IDA6:20 pmIdaho Falls Fanning Field

1h 46m

LAS7:06 pmLas Vegas Harry Reid Intl

$96

Find similar

Allegiant Air

Aug 8

LAS8:56 amLas Vegas Harry Reid Intl

1h 48m

IDA11:44 amIdaho Falls Fanning Field

Aug 11

IDA6:12 pmIdaho Falls Fanning Field

1h 42m

LAS6:54 pmLas Vegas Harry Reid Intl

$100

Find similar

Allegiant Air

Sep 1

LAS9:00 amLas Vegas Harry Reid Intl

1h 46m

IDA11:46 amIdaho Falls Fanning Field

Sep 15

IDA9:39 pmIdaho Falls Fanning Field

1h 44m

LAS10:23 pmLas Vegas Harry Reid Intl

$105

Find similar

Alaska Airlines flights from Las Vegas to Idaho Falls

Our best Alaska Airlines deals on Las Vegas to Idaho Falls flight tickets

Alaska Airlines

Oct 21

LAS6:00 amLas Vegas Harry Reid Intl

15h 38m

2 stops

IDA10:38 pmIdaho Falls Fanning Field

Oct 28

IDA6:05 amIdaho Falls Fanning Field

6h 13m

1 stop

LAS11:18 amLas Vegas Harry Reid Intl

$277

Find similar

Alaska Airlines

Oct 18

LAS10:11 amLas Vegas Harry Reid Intl

11h 27m

1 stop

IDA10:38 pmIdaho Falls Fanning Field

Oct 20

IDA4:15 pmIdaho Falls Fanning Field

5h 22m

1 stop

LAS8:37 pmLas Vegas Harry Reid Intl

$283

Find similar

Alaska Airlines

Oct 21

LAS6:00 amLas Vegas Harry Reid Intl

15h 38m

2 stops

IDA10:38 pmIdaho Falls Fanning Field

Oct 28

IDA6:05 amIdaho Falls Fanning Field

11h 04m

2 stops

LAS4:09 pmLas Vegas Harry Reid Intl

$315

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 8/15

8:44 am-11:30 am

Nonstop1h 46m

Idaho Falls Fanning Field

Mon 8/18

6:20 pm-7:06 pm

Nonstop1h 46m

$96

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Mon 9/1

9:00 am-11:46 am

Nonstop1h 46m

Idaho Falls Fanning Field

Mon 9/15

9:39 pm-10:23 pm

Nonstop1h 44m

$105

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 8/29

1:13 pm-3:59 pm

Nonstop1h 46m

Idaho Falls Fanning Field

Fri 9/5

10:55 pm-11:39 pm

Nonstop1h 44m

$110

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Thu 8/14

10:25 pm-6:41 pm

2 stops19h 16m

Idaho Falls Fanning Field

Mon 8/18

6:20 pm-7:06 pm

Nonstop1h 46m

$156

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Thu 8/14

10:25 pm-6:41 pm

2 stops19h 16m

Idaho Falls Fanning Field

Mon 8/18

7:31 pm-7:34 am

1 stop13h 03m

$172

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Tue 10/21

7:50 am-3:38 pm

1 stop6h 48m

Idaho Falls Fanning Field

Tue 10/28

6:05 am-1:26 pm

1 stop8h 21m

$240

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Wed 8/20

6:15 am-10:39 am

1 stop3h 24m

Idaho Falls Fanning Field

Sun 8/24

6:52 pm-11:47 pm

1 stop5h 55m

$270

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Tue 9/23

6:20 am-12:26 pm

1 stop5h 06m

Idaho Falls Fanning Field

Tue 9/23

6:51 pm-11:29 pm

1 stop5h 38m

$280

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Wed 8/13

6:00 am-1:32 pm

1 stop6h 32m

Idaho Falls Fanning Field

Sat 8/16

6:03 pm-9:59 pm

1 stop4h 56m

$369

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 8/15

4:43 pm-10:51 pm

1 stop5h 08m

Idaho Falls Fanning Field

Mon 8/18

6:03 pm-9:59 pm

1 stop4h 56m

$371

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How to get the cheapest flight ticket from Las Vegas 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

Prices

Airlines

Other information

What is the cheapest month to fly to Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of May, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $111.

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

Our data shows that Tuesday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $125. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Monday is $154.

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 Las Vegas to Idaho Falls during this time can be as low as $114. Try not to purchase tickets in the afternoon because they tend to be around $488. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Las Vegas Harry Reid Intl to Idaho Falls Fanning Field flight route?

Fly from Las Vegas Harry Reid Intl to Idaho Falls Fanning Field for the best Las Vegas Harry Reid Intl - Idaho Falls Fanning Field flight prices

What cabin class options are available on Las Vegas Harry Reid Intl to Idaho Falls Fanning Field flights?

There are 1 cabin classes available to choose from on Las Vegas Harry Reid Intl to Idaho Falls Fanning Field flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Las Vegas to Idaho Falls flight prices changed over time?

As of July 2025, prices for Las Vegas to Idaho Falls flights are approximately 8% more expensive when compared to flights at the same time last year.

When to book flights from Las Vegas to Idaho Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to Idaho Falls according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Las Vegas to Idaho Falls (LAS to IDA) flight deals and tips

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

Best Price Found	$120
Fastest flight time	1h 46m
Direct flights	Tue and Sat
Airports in Idaho Falls	1 airport

The best one-way flight to Idaho Falls from Las Vegas in the past 72 hours is $120. The best round-trip flight deal from Las Vegas to Idaho Falls found on momondo in the last 72 hours is $96.

The fastest flight from Las Vegas to Idaho Falls takes 1h 46m

Direct flights go from Las Vegas to Idaho Falls on Tuesday and Saturday. The only airline offering direct flights is Allegiant Air.

There is 1 airport near Idaho Falls: Idaho Falls Fanning Field (IDA)

Search flight deals

How far is Las Vegas Harry Reid Intl to Idaho Falls Fanning Field by plane?
The distance between Las Vegas Harry Reid Intl and Idaho Falls Fanning Field is about 529.6 mi. By plane, this route typically takes 1h 46m.
When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Idaho Falls Fanning Field Airport?
Prices for flights from Las Vegas Harry Reid Intl Airport to Idaho Falls Fanning Field Airport are updated daily.
How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Idaho Falls Fanning Field Airport?
The number of operators available for flights from Las Vegas Harry Reid Intl Airport to Idaho Falls Fanning Field Airport is 3 as of July 2025.
How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Idaho Falls Fanning Field Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Las Vegas Harry Reid Intl 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 plane model from Las Vegas to Idaho Falls?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Las Vegas to Idaho Falls is Airbus A319 (92.31% of total bookings). The next most popular plane models are Airbus A320neo (3.85%) and Airbus A320 (sharklets) (3.85%).
What is the most popular airline from Las Vegas to Idaho Falls?
Based on momondo bookings for flights between Las Vegas and Idaho Falls, the leading airline is Allegiant Air, making up 66% of the total bookings. Other popular airlines include Delta with 25% and United Airlines with 9%.

Best airlines flying from Las Vegas to Idaho Falls

Compare and see reviews for airlines that fly from Las Vegas to Idaho Falls with momondo

Airline	Rating	Free Cancellation	Price
Allegiant Air	PriceFrom $88	Free Cancellation	Rating 7.2 702 reviews	Search Allegiant Air flights
Delta	PriceFrom $149	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
United Airlines	PriceFrom $290	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights

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

Finding the right flight to Idaho Falls from Las Vegas is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho Falls quick and easy, saving you time and money.

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

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

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

momondo helps you find the best flight between Las Vegas and Idaho Falls by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Las Vegas to Idaho Falls flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Idaho Falls trip

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Cheap flights from Las Vegas to Idaho Falls from $96

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Idaho Falls departing on 8/15. 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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Big names and deals

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Cheap round-trip flights

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Cheap last minute flights

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Allegiant Air flights from Las Vegas to Idaho Falls

Our best Allegiant Air deals on Las Vegas to Idaho Falls flight tickets

Alaska Airlines flights from Las Vegas to Idaho Falls

Our best Alaska Airlines deals on Las Vegas to Idaho Falls flight tickets

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How to get the cheapest flight ticket from Las Vegas 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 month to fly to Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of May, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $111.

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

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

What is the cheapest Las Vegas Harry Reid Intl to Idaho Falls Fanning Field flight route?

Fly from Las Vegas Harry Reid Intl to Idaho Falls Fanning Field for the best Las Vegas Harry Reid Intl - Idaho Falls Fanning Field flight prices

What cabin class options are available on Las Vegas Harry Reid Intl to Idaho Falls Fanning Field flights?

There are 1 cabin classes available to choose from on Las Vegas Harry Reid Intl to Idaho Falls Fanning Field flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Las Vegas to Idaho Falls flight prices changed over time?

As of July 2025, prices for Las Vegas to Idaho Falls flights are approximately 8% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Las Vegas Harry Reid Intl to Idaho Falls Fanning Field?

Hawaiian Airlines, Delta, and Alaska Airlines are the most popular carriers operating from Las Vegas Harry Reid Intl to Idaho Falls Fanning Field

What airlines fly to Idaho Falls?

When to book flights from Las Vegas to Idaho Falls

Cheap Las Vegas to Idaho Falls (LAS to IDA) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Idaho Falls

How far is Las Vegas Harry Reid Intl to Idaho Falls Fanning Field by plane?

When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Idaho Falls Fanning Field Airport?

How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Idaho Falls Fanning Field Airport?

How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Idaho Falls Fanning Field Airport?

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

What is the most popular plane model from Las Vegas to Idaho Falls?

What is the most popular airline from Las Vegas to Idaho Falls?

Best airlines flying from Las Vegas to Idaho Falls

Compare and see reviews for airlines that fly from Las Vegas to Idaho Falls with momondo

Traveling to a place near Idaho Falls?

Why use momondo?

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

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

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

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

An easier way to manage your Idaho Falls trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Idaho