What airlines fly to Las Vegas?

Southwest, Spirit Airlines and Allegiant Air are the top three most popular airlines that fly to Las Vegas from Idaho according to our data. Southwest is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 8 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.

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

Allegiant Air, Frontier, and Alaska Airlines are the most popular carriers operating from Idaho to Las Vegas Harry Reid Intl

How long does it take to fly to Las Vegas?

The flight from Idaho to Las Vegas depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Idaho Falls (a popular airport in Idaho) to Las Vegas (the most popular airport in Las Vegas), then the flight time is 1h 41m on average. If you fly from Boise (another popular airport in Idaho) to Las Vegas, then the average flight time is 1h 45m.

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

As of November 2025, there are 4 flights per day flying from Idaho to Las Vegas. The most common time of day flights depart is 1:00PM, with 71% of flights taking off in the afternoon.

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

29 flights are operational weekly from Idaho to Las Vegas as of November 2025. The most popular departure day for this route is Mon, with 24% of flights per week taking off on this day.

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

Prices for flights from Idaho to Las Vegas Harry Reid Intl Airport are refreshed on a daily basis.

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

As of November 2025, there are 9 operators available to choose from for flights from Idaho to Las Vegas Harry Reid Intl Airport.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Idaho to Las Vegas Harry Reid Intl Airport.

What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

The required travel and health documents for your Las Vegas Harry Reid Intl 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 Las Vegas Harry Reid Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$39 Cheap Flights from Idaho to Las Vegas in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:16 pm - 9:01 pmIDA-LAS

1h 45mnonstop

10:27 am - 1:16 pmLAS-IDA

1h 49mnonstop

$88Allegiant Air

Find Deal

Mon, Dec 8 - Fri, Dec 12

7:56 pm - 8:39 pmIDA-LAS

1h 43mnonstop

12:09 pm - 2:55 pmLAS-IDA

1h 46mnonstop

$92Allegiant Air

Find Deal

Mon, Nov 17 - Fri, Nov 21

1:50 pm - 2:30 pmTWF-LAS

1h 40mnonstop

9:35 am - 12:10 pmLAS-TWF

1h 35mnonstop

$102Breeze Airways

Find Deal

Fri, Mar 6 - Mon, Mar 9

10:41 pm - 11:30 pmBOI-LAS

1h 49mnonstop

12:59 am - 11:49 amLAS-BOI

9h 50m1 stop

$124Multiple Airlines

Find Deal

Fri, Dec 5 - Thu, Dec 11

10:41 pm - 11:30 pmBOI-LAS

1h 49mnonstop

8:56 pm - 11:59 pmLAS-BOI

2h 03mnonstop

$126Multiple Airlines

Find Deal

Mon, Dec 8 - Tue, Dec 9

12:44 pm - 6:46 pmBOI-LAS

7h 02m1 stop

12:59 am - 11:49 amLAS-BOI

9h 50m1 stop

$138Frontier

Find Deal

Sun, Dec 7 - Thu, Dec 11

12:23 pm - 6:46 pmGEG-LAS

6h 23m1 stop

12:59 am - 11:34 amLAS-GEG

10h 35m1 stop

$138Frontier

Find Deal

Sun, Jan 11 - Sat, Jan 17

12:05 pm - 12:55 pmBOI-LAS

1h 50mnonstop

3:45 pm - 10:15 pmLAS-BOI

5h 30m1 stop

$147Southwest

Find Deal

Tue, Dec 2 - Tue, Dec 9

6:10 am - 7:10 amBOI-LAS

2h 00mnonstop

2:20 pm - 5:10 pmLAS-BOI

1h 50mnonstop

$151Southwest

Find Deal

Mon, Dec 8 - Thu, Dec 11

1:35 pm - 2:15 pmTWF-LAS

1h 40mnonstop

9:35 am - 12:10 pmLAS-TWF

1h 35mnonstop

$210Breeze Airways

Find Deal

Fri, Apr 17 - Mon, Apr 20

Allegiant Air flights from Idaho to Las Vegas

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

Allegiant Air

Dec 8

IDA8:16 pmIdaho Falls Fanning Field

1h 45m

LAS9:01 pmLas Vegas Harry Reid Intl

Dec 12

LAS10:27 amLas Vegas Harry Reid Intl

1h 49m

IDA1:16 pmIdaho Falls Fanning Field

$88

Find similar

Allegiant Air

Nov 17

IDA7:56 pmIdaho Falls Fanning Field

1h 43m

LAS8:39 pmLas Vegas Harry Reid Intl

Nov 21

LAS12:09 pmLas Vegas Harry Reid Intl

1h 46m

IDA2:55 pmIdaho Falls Fanning Field

$92

Find similar

Allegiant Air

Nov 14

IDA10:56 pmIdaho Falls Fanning Field

1h 42m

LAS11:38 pmLas Vegas Harry Reid Intl

Nov 17

LAS10:21 amLas Vegas Harry Reid Intl

1h 46m

IDA1:07 pmIdaho Falls Fanning Field

$96

Find similar

Alaska Airlines flights from Idaho to Las Vegas

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

Alaska Airlines

Dec 2

BOI11:14 amBoise Air Term. Gowen Fld

2h 00m

LAS12:14 pmLas Vegas Harry Reid Intl

Dec 9

LAS8:56 pmLas Vegas Harry Reid Intl

2h 03m

BOI11:59 pmBoise Air Term. Gowen Fld

$153

Find similar

Alaska Airlines

Dec 2

BOI11:14 amBoise Air Term. Gowen Fld

2h 00m

LAS12:14 pmLas Vegas Harry Reid Intl

Dec 3

LAS8:56 pmLas Vegas Harry Reid Intl

2h 03m

BOI11:59 pmBoise Air Term. Gowen Fld

$154

Find similar

Alaska Airlines

Dec 2

BOI3:39 pmBoise Air Term. Gowen Fld

4h 57m

1 stop

LAS7:36 pmLas Vegas Harry Reid Intl

Dec 9

LAS8:56 pmLas Vegas Harry Reid Intl

2h 03m

BOI11:59 pmBoise Air Term. Gowen Fld

$162

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Mon 12/8

8:16 pm-9:01 pm

Nonstop1h 45m

Las Vegas Harry Reid Intl

Fri 12/12

10:27 am-1:16 pm

Nonstop1h 49m

$88

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Mon 11/17

7:56 pm-8:39 pm

Nonstop1h 43m

Las Vegas Harry Reid Intl

Fri 11/21

12:09 pm-2:55 pm

Nonstop1h 46m

$92

Twin FallsLas Vegas

TWF - LAS

TWFLAS

Twin Falls Joslin

Fri 3/6

1:50 pm-2:30 pm

Nonstop1h 40m

Las Vegas Harry Reid Intl

Mon 3/9

9:35 am-12:10 pm

Nonstop1h 35m

$102

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Fri 12/5

10:41 pm-11:30 pm

Nonstop1h 49m

Las Vegas Harry Reid Intl

Thu 12/11

12:59 am-11:49 am

1 stop9h 50m

$124

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Mon 12/8

10:41 pm-11:30 pm

Nonstop1h 49m

Las Vegas Harry Reid Intl

Tue 12/9

8:56 pm-11:59 pm

Nonstop2h 03m

$126

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Sun 12/7

12:44 pm-6:46 pm

1 stop7h 02m

Las Vegas Harry Reid Intl

Thu 12/11

12:59 am-11:49 am

1 stop9h 50m

$138

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Sun 1/11

12:23 pm-6:46 pm

1 stop6h 23m

Las Vegas Harry Reid Intl

Sat 1/17

12:59 am-11:34 am

1 stop10h 35m

$138

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Tue 12/2

12:05 pm-12:55 pm

Nonstop1h 50m

Las Vegas Harry Reid Intl

Tue 12/9

3:45 pm-10:15 pm

1 stop5h 30m

$147

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Mon 12/8

6:10 am-7:10 am

Nonstop2h 00m

Las Vegas Harry Reid Intl

Thu 12/11

2:20 pm-5:10 pm

Nonstop1h 50m

$151

Twin FallsLas Vegas

TWF - LAS

TWFLAS

Twin Falls Joslin

Fri 4/17

1:35 pm-2:15 pm

Nonstop1h 40m

Las Vegas Harry Reid Intl

Mon 4/20

9:35 am-12:10 pm

Nonstop1h 35m

$210

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How to get the cheapest flight ticket from Idaho to Las Vegas

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 Las Vegas?

The month of September is, on average, the cheapest month to fly to Las Vegas from Idaho, with most prices found around $164. The month of January is another great option to travel to Las Vegas, with average flight prices from Idaho averaging around $176.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Monday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $252. Flights from Idaho to Las Vegas on a Thursday will generally be more expensive and average around $295. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is at noon when flights can be purchased for as low as $204. Flights to Las Vegas are more costly in the morning, with an average ticket price of $330. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

How far in advance should I book a flight to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $220 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Idaho for as low as $169 on momondo.

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

There are 3 cabin classes available to choose from on Idaho to Las Vegas Harry Reid Intl 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 Idaho to Las Vegas flights?

No. A direct flight is the cheapest option for a flight between Idaho to Las Vegas.

Cheap Idaho to Las Vegas flight deals and tips

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

Best Price Found	$65
Fastest flight time	1h 40m
Direct flights	Every day
Airports in Las Vegas	1 airport

The best one-way flight to Las Vegas from Idaho in the past 72 hours is $65. The best round-trip flight deal from Idaho to Las Vegas found on momondo in the last 72 hours is $108.

The fastest flight from Idaho to Las Vegas takes 1h 40m

Direct flights go from Idaho to Las Vegas every day.

There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)

Search flight deals

When did momondo last update prices for flights from Idaho to Las Vegas Harry Reid Intl Airport?
Prices for flights from Idaho to Las Vegas Harry Reid Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Idaho to Las Vegas Harry Reid Intl Airport?
As of November 2025, there are 9 operators available to choose from for flights from Idaho to Las Vegas Harry Reid Intl Airport.
How old do you have to be to fly from Idaho to Las Vegas Harry Reid Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Idaho to Las Vegas Harry Reid Intl Airport.
What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?
The required travel and health documents for your Las Vegas Harry Reid Intl 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 Las Vegas Harry Reid Intl 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 Idaho to Las Vegas?
Based on momondo bookings for flights between Idaho and Las Vegas, the leading plane model is Embraer 175, making up 26.99% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 19.03%, Boeing 737 MAX 8 with 12.94%, and Boeing 737-700 Passenger/BBJ1 (winglets) with 12.17%.

Best airlines flying from Idaho to Las Vegas

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

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $52	Free Cancellation	Rating 6.3 8,114 reviews	Search Spirit Airlines flights
Allegiant Air	PriceFrom $76	Free Cancellation	Rating 7.2 697 reviews	Search Allegiant Air flights
Hawaiian Airlines	PriceFrom $78	Free Cancellation	Rating 7.8 2,804 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $79	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
Frontier	PriceFrom $109	Free Cancellation	Rating 5.8 3,116 reviews	Search Frontier flights
Alaska Airlines	PriceFrom $130	Free Cancellation	Rating 8.0 11,242 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $139	Free Cancellation	Rating 8.0 4,240 reviews	Search Southwest flights
United Airlines	PriceFrom $196	Free Cancellation	Rating 7.4 9,004 reviews	Search United Airlines flights

Laughlin

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Henderson

Mesquite

Paradise

North Las Vegas

Kingman

Pahrump

Primm

Furnace Creek

Boulder City

Sunrise Manor

Winchester

Needles

Why use momondo?

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

It is quick and easy to find Idaho to Las Vegas flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Las Vegas that suits you.

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

All flight searches from Idaho to Las Vegas on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Idaho to Las Vegas flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Idaho to Las Vegas 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.

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Cheap flights from Idaho to Las Vegas from $39

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Las Vegas departing on 1/5. 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 Idaho to Las Vegas

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

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

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How to get the cheapest flight ticket from Idaho to Las Vegas

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 Las Vegas?

The month of September is, on average, the cheapest month to fly to Las Vegas from Idaho, with most prices found around $164. The month of January is another great option to travel to Las Vegas, with average flight prices from Idaho averaging around $176.

What is the cheapest day to depart on your flight to Las Vegas?

What is the cheapest time of day to depart on your flight to Las Vegas?

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

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

How far in advance should I book a flight to Las Vegas?

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

There are 3 cabin classes available to choose from on Idaho to Las Vegas Harry Reid Intl 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 Idaho to Las Vegas flights?

No. A direct flight is the cheapest option for a flight between Idaho to Las Vegas.

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

Allegiant Air, Frontier, and Alaska Airlines are the most popular carriers operating from Idaho to Las Vegas Harry Reid Intl

What airlines fly to Las Vegas?

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

As of November 2025, there are 4 flights per day flying from Idaho to Las Vegas. The most common time of day flights depart is 1:00PM, with 71% of flights taking off in the afternoon.

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

29 flights are operational weekly from Idaho to Las Vegas as of November 2025. The most popular departure day for this route is Mon, with 24% of flights per week taking off on this day.

How long does it take to fly to Las Vegas?

Cheap Idaho to Las Vegas flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Las Vegas

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

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

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

What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

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

Best airlines flying from Idaho to Las Vegas

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

Traveling to a place near Las Vegas?

Why use momondo?

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

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

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

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

An easier way to manage your Las Vegas 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 Nevada