How popular is this Idaho Falls to Las Vegas flight route?

This flight path from Idaho Falls Fanning Field to Las Vegas Harry Reid Intl was viewed by 13 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from Idaho Falls to Las Vegas?

Allegiant Air can get you from Idaho Falls to Las Vegas in just under 1h 43m. Your travel time will be generally consistent. Airlines will cover a distance of 538 mi. Most flights are nonstop.

What are the cheapest airlines flying from Idaho Falls to Las Vegas round-trip?

Allegiant Air, at $82, was found to be the cheapest airline from Idaho Falls to Las Vegas.Alternate airlines to your destination round-trip include Alaska Airlines and Delta. Allegiant Air is currently priced 51% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Idaho Falls to Las Vegas one-way?

The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $54. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Idaho Falls to Las Vegas for a low price.

In terms of precipitation, rainfall in Las Vegas ranges from 0.1 - 0.8 inches per month. February is typically the wettest month, when rainfall can reach 0.8 in. May is typically the driest time to visit Las Vegas when rainfall is around 0.1 in.

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

What are the cheapest flights from Idaho Falls to Las Vegas?

While on average a flight from Idaho Falls to Las Vegas is generally $157, our data shows the cheapest flight currently is $54. When looking at the most popular route, (Idaho Falls Fanning Field - Las Vegas Harry Reid Intl), you can expect to pay $88 for that flight.

What are the most popular airlines that fly from Idaho Falls to Las Vegas?

The most popular airlines flying from Idaho Falls to Las Vegas are Allegiant Air, Delta and United Airlines. Something to consider prior to booking your flight.

Most accurate provider : When it comes to deals on Idaho Falls-Las Vegas flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Idaho Falls-Las Vegas flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Idaho Falls-Las Vegas flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Idaho Falls-Las Vegas flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-Las Vegas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Idaho Falls to Las Vegas that include hotel bookings?

Yes. In addition to deals on Idaho Falls to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Idaho Falls to Las Vegas?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Las Vegas.

Can I find deals for business class flights from Idaho Falls to Las Vegas?

Yes. Cheapflights offers flight deals from Idaho Falls to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$81+ Flights from Idaho Falls to Las Vegas

Q: How much does it cost to fly round-trip from Idaho Falls to Las Vegas?

Airfare is below average for this route at the moment. Idaho Falls to Las Vegas flights typically cost between $180 and $356 in January. The cheapest round-trip price found within the last 3 days was $88 on Allegiant Air (Jan 19-Jan 26).

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Find cheap flights from Idaho Falls to Las Vegas with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from Idaho Falls Fanning Field to Las Vegas Harry Reid Intl are usually found in June or August, booked 26 days in advance, depart on a Monday or Thursday and return on a Tuesday

Cheap flight deals from Idaho Falls to Las Vegas

Cheapest flights from Idaho Falls to Las Vegas
Explore the most affordable flight options available from Idaho Falls to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Mon 12/229:20 pmIDA - LAS

Nonstop1h 45mAllegiant Air

Fri 12/261:23 pmLAS - IDA

Nonstop1h 49mAllegiant Air

Deal found 12/16

$164

Fri 12/2610:52 pmIDA - LAS

Nonstop1h 43mAllegiant Air

Mon 12/291:23 pmLAS - IDA

Nonstop1h 49mAllegiant Air

Deal found 12/18

$263

Fri 12/2610:52 pmIDA - LAS

Nonstop1h 43mMultiple Airlines

Thu 1/81:43 pmLAS - IDA

1 stop8h 16mMultiple Airlines

Deal found 12/17

$304

Fri 12/267:00 amIDA - LAS

1 stop5h 44mAmerican Airlines

Thu 1/84:10 pmLAS - IDA

1 stop5h 26mAmerican Airlines

Deal found 12/17

$341

Mon 12/224:26 pmIDA - LAS

1 stop25h 18mMultiple Airlines

Fri 12/261:23 pmLAS - IDA

Nonstop1h 49mMultiple Airlines

Deal found 12/17

$348

Wed 12/315:00 amIDA - LAS

1 stop5h 15mUnited Airlines

Wed 12/314:23 pmLAS - IDA

1 stop5h 36mUnited Airlines

Deal found 12/15

$401

Fri 12/2610:52 pmIDA - LAS

Nonstop1h 43mMultiple Airlines

Sun 12/285:58 pmLAS - IDA

1 stop27h 09mMultiple Airlines

Deal found 12/16

$431

Fri 12/264:57 pmIDA - LAS

1 stop28h 09mMultiple Airlines

Mon 12/291:23 pmLAS - IDA

Nonstop1h 49mMultiple Airlines

Deal found 12/16

$432

Best flights from Idaho Falls to Las Vegas
Discover carefully curated flight deals from Idaho Falls to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Fri 5/297:48 pmIDA - LAS

Nonstop1h 43mAllegiant Air

Mon 6/110:15 amLAS - IDA

Nonstop1h 45mAllegiant Air

Deal found 12/17

$196

Fri 1/239:20 pmIDA - LAS

Nonstop1h 47mMultiple Airlines

Mon 1/262:28 pmLAS - IDA

1 stop5h 02mMultiple Airlines

Deal found 12/18

$197

Mon 1/126:58 pmIDA - LAS

1 stop5h 14mAlaska Airlines

Thu 1/151:43 pmLAS - IDA

1 stop8h 16mAlaska Airlines

Deal found 12/16

$246

Tue 1/204:19 pmIDA - LAS

1 stop5h 13mUnited Airlines

Thu 1/225:20 amLAS - IDA

1 stop7h 10mUnited Airlines

Deal found 12/17

$248

Fri 2/1310:31 pmIDA - LAS

Nonstop1h 48mAllegiant Air

Mon 2/1612:45 pmLAS - IDA

Nonstop1h 46mAllegiant Air

Deal found 12/17

$219

Fri 1/309:20 pmIDA - LAS

Nonstop1h 47mMultiple Airlines

Sun 2/17:50 pmLAS - IDA

1 stop23h 40mMultiple Airlines

Deal found 12/17

$241

Tue 2/39:00 amIDA - LAS

1 stop5h 24mAlaska Airlines

Fri 2/67:36 pmLAS - IDA

1 stop21h 42mAlaska Airlines

Deal found 12/16

$258

Fri 1/234:19 pmIDA - LAS

1 stop6h 40mUnited Airlines

Mon 1/265:20 amLAS - IDA

1 stop7h 10mUnited Airlines

Deal found 12/16

$261

Wed 1/142:40 pmIDA - LAS

1 stop5h 22mUnited Airlines

Wed 1/219:56 amLAS - IDA

1 stop4h 35mUnited Airlines

Deal found 12/17

$261

Last-minute flights from Idaho Falls to Las Vegas
Discover last-minute flight deals from Idaho Falls to Las Vegas. Data last updated December 18, 2025 and is based on user searches.

Fri 12/2610:52 pmIDA - LAS

Nonstop1h 43mAllegiant Air

Mon 12/291:23 pmLAS - IDA

Nonstop1h 49mAllegiant Air

Deal found 12/18

$263

Fri 12/2610:52 pmIDA - LAS

Nonstop1h 43mMultiple Airlines

Thu 1/81:43 pmLAS - IDA

1 stop8h 16mMultiple Airlines

Deal found 12/17

$304

Fri 12/267:00 amIDA - LAS

1 stop5h 44mAmerican Airlines

Thu 1/84:10 pmLAS - IDA

1 stop5h 26mAmerican Airlines

Deal found 12/17

$341

Fri 12/2610:52 pmIDA - LAS

Nonstop1h 43mMultiple Airlines

Sun 12/285:58 pmLAS - IDA

1 stop27h 09mMultiple Airlines

Deal found 12/16

$431

Fri 12/264:57 pmIDA - LAS

1 stop28h 09mMultiple Airlines

Mon 12/291:23 pmLAS - IDA

Nonstop1h 49mMultiple Airlines

Deal found 12/16

$432

Fri 12/267:00 amIDA - LAS

1 stop5h 44mAmerican Airlines

Mon 12/293:45 pmLAS - IDA

1 stop5h 36mAmerican Airlines

Deal found 12/17

$441

Fri 12/266:57 pmIDA - LAS

1 stop6h 02mDelta

Sun 12/281:30 pmLAS - IDA

1 stop3h 47mDelta

Deal found 12/17

$461

Fri 12/2610:52 pmIDA - LAS

Nonstop1h 43mMultiple Airlines

Thu 1/110:05 amLAS - IDA

2 stops35h 02mMultiple Airlines

Deal found 12/17

$483

One-way flights from Idaho Falls to Las Vegas
Search for one-way flight options from Idaho Falls to Las Vegas. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Fri 1/239:20 pmIDA - LAS

Nonstop1h 47mAllegiant Air

Deal found 12/16

$81

Fri 2/69:20 pmIDA - LAS

Nonstop1h 47mAllegiant Air

Deal found 12/16

$91

Fri 1/309:20 pmIDA - LAS

Nonstop1h 47mAllegiant Air

Deal found 12/15

$92

Fri 1/303:09 pmIDA - LAS

1 stop17h 44mMultiple Airlines

Deal found 12/15

$109

Sat 2/76:58 pmIDA - LAS

1 stop5h 14mAlaska Airlines

Deal found 12/16

$130

Fri 1/234:19 pmIDA - LAS

1 stop6h 40mUnited Airlines

Deal found 12/16

$131

Fri 2/63:09 pmIDA - LAS

2 stops24h 11mMultiple Airlines

Deal found 12/16

$166

Wed 12/314:05 pmIDA - LAS

1 stop5h 17mUnited Airlines

Deal found 12/16

$171

Fri 1/236:58 pmIDA - LAS

2 stops27h 38mAlaska Airlines

Deal found 12/16

$173

Find flight deals from Idaho Falls to Las Vegas

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$88 (Booking.com)
One-way from	$81 (Booking.com)
Popular in	December
Cheapest in	June
Average price	$278
Good round-trip deal	$172 or less
Good one-way deal	$58 or less

Provider with most accurate pricing for Idaho Falls Fanning Field-Las Vegas Harry Reid Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Las Vegas Harry Reid Intl flights.

Search Deals

From Idaho Falls Fanning Field to Las Vegas Harry Reid Intl

Search Deals

One-way flight from Idaho Falls Fanning Field to Las Vegas Harry Reid Intl

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($29 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($11 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Idaho Falls Fanning Field to Las Vegas Harry Reid Intl.

Search Deals

Price to beat on a one-way flight from Idaho Falls Fanning Field to Las Vegas Harry Reid Intl.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho Falls to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 5/29

7:48 pm-8:31 pm

Nonstop1h 43m

Las Vegas Harry Reid Intl

Mon 6/1

10:15 am-1:00 pm

Nonstop1h 45m

$196

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 1/23

9:20 pm-10:07 pm

Nonstop1h 47m

Las Vegas Harry Reid Intl

Mon 1/26

2:28 pm-8:30 pm

1 stop5h 02m

$197

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 2/13

10:31 pm-11:19 pm

Nonstop1h 48m

Las Vegas Harry Reid Intl

Mon 2/16

12:45 pm-3:31 pm

Nonstop1h 46m

$219

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 1/30

9:20 pm-10:07 pm

Nonstop1h 47m

Las Vegas Harry Reid Intl

Sun 2/1

7:50 pm-8:30 pm

1 stop23h 40m

$241

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Mon 1/12

6:58 pm-11:12 pm

1 stop5h 14m

Las Vegas Harry Reid Intl

Thu 1/15

1:43 pm-10:59 pm

1 stop8h 16m

$246

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Tue 1/20

4:19 pm-8:32 pm

1 stop5h 13m

Las Vegas Harry Reid Intl

Thu 1/22

5:20 am-1:30 pm

1 stop7h 10m

$248

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Tue 2/3

9:00 am-1:24 pm

1 stop5h 24m

Las Vegas Harry Reid Intl

Fri 2/6

7:36 pm-6:18 pm

1 stop21h 42m

$258

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 1/23

4:19 pm-9:59 pm

1 stop6h 40m

Las Vegas Harry Reid Intl

Mon 1/26

5:20 am-1:30 pm

1 stop7h 10m

$261

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Wed 1/14

2:40 pm-7:02 pm

1 stop5h 22m

Las Vegas Harry Reid Intl

Wed 1/21

9:56 am-3:31 pm

1 stop4h 35m

$261

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 1/23

9:20 pm-10:07 pm

Nonstop1h 47m

$81

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 19 results

Compare providers for flights from Idaho Falls to Las Vegas

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Las Vegas in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Idaho Falls-Las Vegas flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Idaho Falls-Las Vegas flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Idaho Falls-Las Vegas flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Idaho Falls-Las Vegas flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-Las Vegas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Idaho Falls to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Idaho Falls with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho Falls to Las Vegas

How far ahead should I book a flight from Idaho Falls to Las Vegas?

The best time to book flights from Idaho Falls to Las Vegas is 26 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Idaho Falls to Las Vegas?

Currently, August is the cheapest month in which you can book a flight from Idaho Falls to Las Vegas (average of $67). Flying from Idaho Falls to Las Vegas in February is currently the most expensive (average of $124). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IDA to LAS?

A simple way to save on the total cost of your ticket is to fly from Idaho Falls to Las Vegas in the afternoon. If you’re flexible enough to do this you can expect to save up to 49% on your trip compared to booking a flight in the morning.

How much does it cost to fly round-trip from Idaho Falls to Las Vegas?

Reviews of airlines servicing Las Vegas

See what other customers who have flown with Alaska Airlines, Delta, and United Airlines from Idaho Falls to Las Vegas have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

11,479 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Alaska Airlines

8.0

Very good

11,479 reviews

Alaska Airlines

8.0

Very good

11,479 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

Delta

7.9

Good

8,008 reviews

Alaska Airlines

8.0

Very good

11,479 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

United Airlines

7.4

Good

9,095 reviews

Alaska Airlines

8.0

Very good

11,479 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

American Airlines

7.2

Good

11,054 reviews

Alaska Airlines

8.0

Very good

11,479 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

Allegiant Air

7.2

Good

700 reviews

Alaska Airlines

8.0

Very good

11,479 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

Related info for your journey

How popular is this Idaho Falls to Las Vegas flight route?
This flight path from Idaho Falls Fanning Field to Las Vegas Harry Reid Intl was viewed by 13 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from Idaho Falls to Las Vegas?
Allegiant Air can get you from Idaho Falls to Las Vegas in just under 1h 43m. Your travel time will be generally consistent. Airlines will cover a distance of 538 mi. Most flights are nonstop.
What are the cheapest airlines flying from Idaho Falls to Las Vegas round-trip?
Allegiant Air, at $82, was found to be the cheapest airline from Idaho Falls to Las Vegas.Alternate airlines to your destination round-trip include Alaska Airlines and Delta. Allegiant Air is currently priced 51% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Idaho Falls to Las Vegas one-way?
The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $54. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Idaho Falls to Las Vegas for a low price.
What are the cheapest flights from Idaho Falls to Las Vegas?
While on average a flight from Idaho Falls to Las Vegas is generally $157, our data shows the cheapest flight currently is $54. When looking at the most popular route, (Idaho Falls Fanning Field - Las Vegas Harry Reid Intl), you can expect to pay $88 for that flight.
Can I find deals for flights from Idaho Falls to Las Vegas that include hotel bookings?
Yes. In addition to deals on Idaho Falls to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Idaho Falls to Las Vegas?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Las Vegas.
Can I find deals for business class flights from Idaho Falls to Las Vegas?
Yes. Cheapflights offers flight deals from Idaho Falls to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Idaho Falls to Las Vegas?
Currently, August is the cheapest month in which you can book a flight from Idaho Falls to Las Vegas (average of $67). Flying from Idaho Falls to Las Vegas in February is currently the most expensive (average of $124). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Other flights to Las Vegas

Top 5 airlines flying from Idaho Falls to Las Vegas

Airline	Cheapest	Average	Flexibility	On-time
Allegiant Air	Cheapest$87	Average$154	FlexibilityNo cancel fee	On-time88%
Delta	Cheapest$132	Average$342	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$189	Average$465	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$210	Average$387	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$279	Average$370	FlexibilityNo cancel fee	On-time71%

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$81+ Cheap flights from Idaho Falls to Las Vegas (IDA - LAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Idaho Falls to Las Vegas with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Idaho Falls Fanning Field to Las Vegas Harry Reid Intl are usually found in June or August, booked 26 days in advance, depart on a Monday or Thursday and return on a Tuesday

Cheap flight deals from Idaho Falls to Las Vegas

Cheapest flights from Idaho Falls to Las VegasExplore the most affordable flight options available from Idaho Falls to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Explore the most affordable flight options available from Idaho Falls to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Find flight deals from Idaho Falls to Las Vegas

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho Falls to Las Vegas that are best for you.

Compare providers for flights from Idaho Falls to Las Vegas

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Las Vegas in December.

Best time to book a flight from Idaho Falls to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Idaho Falls with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Idaho Falls to Las Vegas

How far ahead should I book a flight from Idaho Falls to Las Vegas?

What is the cheapest month to book a flight from Idaho Falls to Las Vegas?

What is the cheapest time of day to fly from IDA to LAS?

How much does it cost to fly round-trip from Idaho Falls to Las Vegas?

Reviews of airlines servicing Las Vegas

See what other customers who have flown with Alaska Airlines, Delta, and United Airlines from Idaho Falls to Las Vegas have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How popular is this Idaho Falls to Las Vegas flight route?

How long is the flight from Idaho Falls to Las Vegas?

What are the cheapest airlines flying from Idaho Falls to Las Vegas round-trip?

What are the cheapest airlines to fly from Idaho Falls to Las Vegas one-way?

What are the cheapest flights from Idaho Falls to Las Vegas?

Can I find deals for flights from Idaho Falls to Las Vegas that include hotel bookings?

How can I find direct flights from Idaho Falls to Las Vegas?

Can I find deals for business class flights from Idaho Falls to Las Vegas?

What is the cheapest month to book a flight from Idaho Falls to Las Vegas?

Traveling to a place near Las Vegas?

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Alternative routes for Idaho Falls to Las Vegas

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Top 5 airlines flying from Idaho Falls to Las Vegas

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Cheapest flights from Idaho Falls to Las Vegas
Explore the most affordable flight options available from Idaho Falls to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.