How many flights depart from Las Vegas to Idaho Falls on average per week?

As of November 2025, 1 flights take off from Las Vegas and land in Idaho Falls each week. The most common flight departure day for this route is Mon, with 100% of weekly flights taking off on this day.

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 47% 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.

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

Allegiant Air, United Airlines, and American 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 2 as of November 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 2025/26

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1:17 pm - 4:03 pmLAS-IDA

1h 46mnonstop

6:57 pm - 7:42 pmIDA-LAS

1h 45mnonstop

$95Allegiant Air

Find Deal

qua, nov 26 - sex, nov 28

1:22 pm - 4:08 pmLAS-IDA

1h 46mnonstop

7:56 pm - 8:39 pmIDA-LAS

1h 43mnonstop

$99Allegiant Air

Find Deal

sex, nov 14 - seg, nov 17

11:23 am - 2:19 pmLAS-IDA

1h 56mnonstop

3:09 pm - 9:28 pmIDA-LAS

7h 19m1 stop

$175Multiple Airlines

Find Deal

sex, jan 9 - seg, jan 12

11:23 am - 2:19 pmLAS-IDA

1h 56mnonstop

3:09 pm - 9:28 pmIDA-LAS

7h 19m1 stop

$176Multiple Airlines

Find Deal

sex, jan 9 - seg, jan 12

1:43 pm - 10:59 pmLAS-IDA

8h 16m1 stop

9:00 am - 2:41 pmIDA-LAS

6h 41m1 stop

$260Alaska Airlines

Find Deal

qua, jan 7 - sáb, jan 10

7:30 am - 1:30 pmLAS-IDA

5h 00m1 stop

2:40 pm - 8:32 pmIDA-LAS

6h 52m1 stop

$261United Airlines

Find Deal

sex, jan 9 - dom, jan 11

3:58 pm - 10:59 pmLAS-IDA

6h 01m1 stop

9:00 am - 1:24 pmIDA-LAS

5h 24m1 stop

$279Alaska Airlines

Find Deal

qui, jan 8 - dom, jan 11

1:20 pm - 5:51 pmLAS-IDA

3h 31m1 stop

6:35 pm - 10:30 pmIDA-LAS

4h 55m1 stop

$290Delta

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qui, jan 8 - sex, jan 9

6:00 am - 12:34 pmLAS-IDA

5h 34m1 stop

6:35 pm - 10:30 pmIDA-LAS

4h 55m1 stop

$350Delta

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qui, jan 8 - qui, jan 8

4:23 pm - 10:59 pmLAS-IDA

5h 36m1 stop

5:00 am - 9:15 amIDA-LAS

5h 15m1 stop

$360United Airlines

Find Deal

qui, dez 18 - qui, dez 25

Allegiant Air flights from Las Vegas to Idaho Falls

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

Allegiant Air

Nov 26

LAS1:17 pmLas Vegas Harry Reid Intl

1h 46m

IDA4:03 pmIdaho Falls Fanning Field

Nov 28

IDA6:57 pmIdaho Falls Fanning Field

1h 45m

LAS7:42 pmLas Vegas Harry Reid Intl

$95

Find similar

Allegiant Air

Nov 14

LAS1:22 pmLas Vegas Harry Reid Intl

1h 46m

IDA4:08 pmIdaho Falls Fanning Field

Nov 17

IDA7:56 pmIdaho Falls Fanning Field

1h 43m

LAS8:39 pmLas Vegas Harry Reid Intl

$99

Find similar

Allegiant Air

Jan 9

LAS11:23 amLas Vegas Harry Reid Intl

1h 56m

IDA2:19 pmIdaho Falls Fanning Field

Jan 12

IDA9:20 pmIdaho Falls Fanning Field

1h 47m

LAS10:07 pmLas Vegas Harry Reid Intl

$128

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

Jan 7

LAS1:43 pmLas Vegas Harry Reid Intl

8h 16m

1 stop

IDA10:59 pmIdaho Falls Fanning Field

Jan 10

IDA9:00 amIdaho Falls Fanning Field

6h 41m

1 stop

LAS2:41 pmLas Vegas Harry Reid Intl

$260

Find similar

Alaska Airlines

Jan 8

LAS3:58 pmLas Vegas Harry Reid Intl

6h 01m

1 stop

IDA10:59 pmIdaho Falls Fanning Field

Jan 11

IDA9:00 amIdaho Falls Fanning Field

5h 24m

1 stop

LAS1:24 pmLas Vegas Harry Reid Intl

$279

Find similar

Alaska Airlines

Jan 8

LAS3:58 pmLas Vegas Harry Reid Intl

6h 01m

1 stop

IDA10:59 pmIdaho Falls Fanning Field

Jan 11

IDA6:58 pmIdaho Falls Fanning Field

5h 14m

1 stop

LAS11:12 pmLas Vegas Harry Reid Intl

$281

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

qua 11/26

1:17 pm-4:03 pm

Nonstop1h 46m

Idaho Falls Fanning Field

sex 11/28

6:57 pm-7:42 pm

Nonstop1h 45m

$95

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

sex 11/14

1:22 pm-4:08 pm

Nonstop1h 46m

Idaho Falls Fanning Field

seg 11/17

7:56 pm-8:39 pm

Nonstop1h 43m

$99

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

sex 1/9

11:23 am-2:19 pm

Nonstop1h 56m

Idaho Falls Fanning Field

seg 1/12

3:09 pm-9:28 pm

1 stop7h 19m

$175

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

sex 1/9

11:23 am-2:19 pm

Nonstop1h 56m

Idaho Falls Fanning Field

seg 1/12

3:09 pm-9:28 pm

1 stop7h 19m

$176

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

qua 1/7

1:43 pm-10:59 pm

1 stop8h 16m

Idaho Falls Fanning Field

sáb 1/10

9:00 am-2:41 pm

1 stop6h 41m

$260

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

sex 1/9

7:30 am-1:30 pm

1 stop5h 00m

Idaho Falls Fanning Field

dom 1/11

2:40 pm-8:32 pm

1 stop6h 52m

$261

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

qui 1/8

3:58 pm-10:59 pm

1 stop6h 01m

Idaho Falls Fanning Field

dom 1/11

9:00 am-1:24 pm

1 stop5h 24m

$279

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

qui 1/8

1:20 pm-5:51 pm

1 stop3h 31m

Idaho Falls Fanning Field

sex 1/9

6:35 pm-10:30 pm

1 stop4h 55m

$290

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

qui 1/8

6:00 am-12:34 pm

1 stop5h 34m

Idaho Falls Fanning Field

qui 1/8

6:35 pm-10:30 pm

1 stop4h 55m

$350

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

qui 12/18

4:23 pm-10:59 pm

1 stop5h 36m

Idaho Falls Fanning Field

qui 12/25

5:00 am-9:15 am

1 stop5h 15m

$360

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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 November, then flying in May 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 $78. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Wednesday is $126.

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 is only 1 cabin class 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.

Can stopping save me money on Las Vegas to Idaho Falls flights?

You could potentially save up to 13% on your flight if you consider stops on a Las Vegas to Idaho Falls flight.

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

As of November 2025, prices for Las Vegas to Idaho Falls flights are approximately 35% cheaper 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	$95
Fastest flight time	1h 46m
Direct flights	Mon, Tue, Thu, Fri and Sat
Airports in Idaho Falls	1 airport

The best flight deal from Las Vegas to Idaho Falls found on momondo in the last 72 hours is $95

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

Direct flights go from Las Vegas to Idaho Falls on Monday, Tuesday, Thursday, Friday 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 2 as of November 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 (86.67% of total bookings). The next most popular plane models are Airbus A320neo (6.67%) and Airbus A320 (sharklets) (6.67%).
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 71% of the total bookings. Other popular airlines include Delta with 29%.

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 $85	Free Cancellation	Rating 7.2 694 reviews		Search Allegiant Air flights
Delta	PriceFrom $149	Free Cancellation	Rating 7.9 8,001 reviews		Search Delta flights

Allegiant Air Flights From Las Vegas to Idaho Falls
Allegiant Air is one of the most popular airlines flying from Las Vegas to Idaho Falls, operating 1 flight/week on average for this route. A good Allegiant Air flight deal for Las Vegas to Idaho Falls starts from $85 round-trip, up to an average price of $117. Our users have rated Allegiant Air at 7.2/10.

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Why use momondo?

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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qua 12/10

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Cheap flights from Las Vegas to Idaho Falls from $54

This is the cheapest one-way 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 12/4. 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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Allegiant Air flights from Las Vegas to Idaho Falls

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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 November, then flying in May 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 is only 1 cabin class 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.

Can stopping save me money on Las Vegas to Idaho Falls flights?

You could potentially save up to 13% on your flight if you consider stops on a Las Vegas to Idaho Falls flight.

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

As of November 2025, prices for Las Vegas to Idaho Falls flights are approximately 35% cheaper 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?

Allegiant Air, United Airlines, and American Airlines are the most popular carriers operating from Las Vegas Harry Reid Intl to Idaho Falls Fanning Field

What airlines fly to Idaho Falls?

How many flights depart from Las Vegas to Idaho Falls on average per week?

As of November 2025, 1 flights take off from Las Vegas and land in Idaho Falls each week. The most common flight departure day for this route is Mon, with 100% of weekly flights taking off on this day.

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

Allegiant Air Flights From Las Vegas to Idaho Falls

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