Cheap flights from Idaho to Las Vegas from $44

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 3/15. 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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Find the cheapest flights from Idaho to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
10:31 pm - 11:19 pm
IDA
-
LAS
1h 48mnonstop
Allegiant Air Logo
12:45 pm - 3:30 pm
LAS
-
IDA
1h 45mnonstop
$94Allegiant Air
Mon, Feb 23 - Fri, Feb 27
Breeze Airways Logo
1:40 pm - 2:15 pm
TWF
-
LAS
1h 35mnonstop
Breeze Airways Logo
9:25 am - 12:00 pm
LAS
-
TWF
1h 35mnonstop
$97Breeze Airways
Mon, Mar 30 - Fri, Apr 3
Southwest Logo
6:00 am - 6:50 am
BOI
-
LAS
1h 50mnonstop
Southwest Logo
3:40 pm - 6:30 pm
LAS
-
BOI
1h 50mnonstop
$147Southwest
Sat, Mar 7 - Tue, Mar 10
Southwest Logo
6:00 am - 6:50 am
BOI
-
LAS
1h 50mnonstop
Southwest Logo
9:05 pm - 11:50 pm
LAS
-
BOI
1h 45mnonstop
$152Southwest
Mon, Mar 9 - Wed, Mar 11
Multiple Airlines Logo
6:00 pm - 10:56 pm
BOI
-
LAS
5h 56m
1 stop
Multiple Airlines Logo
5:30 am - 11:51 am
LAS
-
BOI
5h 21m
1 stop
$153Multiple Airlines
Tue, Feb 24 - Thu, Feb 26
Frontier Logo
11:56 am - 11:44 pm
BOI
-
LAS
12h 48m
1 stop
Frontier Logo
3:16 pm - 11:11 am
LAS
-
BOI
18h 55m
1 stop
$155Frontier
Fri, Feb 27 - Sat, Feb 28
Alaska Airlines Logo
6:00 pm - 10:56 pm
BOI
-
LAS
5h 56m
1 stop
Alaska Airlines Logo
1:54 pm - 10:40 pm
LAS
-
BOI
7h 46m
1 stop
$157Alaska Airlines
Mon, Mar 2 - Tue, Mar 3
Alaska Airlines Logo
8:25 am - 9:32 am
BOI
-
LAS
2h 07mnonstop
Alaska Airlines Logo
3:27 pm - 11:30 pm
LAS
-
BOI
7h 03m
1 stop
$167Alaska Airlines
Sun, Mar 1 - Thu, Mar 5
Frontier Logo
12:38 pm - 7:16 am
BOI
-
LAS
19h 38m
1 stop
Frontier Logo
3:16 pm - 11:11 am
LAS
-
BOI
18h 55m
1 stop
$176Frontier
Thu, Feb 26 - Sat, Feb 28
Multiple Airlines Logo
5:59 pm - 10:46 pm
IDA
-
LAS
5h 47m
1 stop
Multiple Airlines Logo
12:27 pm - 3:12 pm
LAS
-
IDA
1h 45mnonstop
$193Multiple Airlines
Tue, Mar 31 - Mon, Apr 6

Breeze Airways flights from Idaho to Las Vegas

Our best Breeze Airways deals on Idaho to Las Vegas flight tickets
Breeze Airways
Mar 30
TWF1:40 pmTwin Falls Joslin
1h 35m
LAS2:15 pmLas Vegas Harry Reid Intl
Apr 3
LAS9:25 amLas Vegas Harry Reid Intl
1h 35m
TWF12:00 pmTwin Falls Joslin
$97
Breeze Airways
Mar 6
TWF1:50 pmTwin Falls Joslin
1h 35m
LAS2:25 pmLas Vegas Harry Reid Intl
Mar 9
LAS9:25 amLas Vegas Harry Reid Intl
1h 35m
TWF12:00 pmTwin Falls Joslin
$98
Breeze Airways
Mar 27
TWF1:40 pmTwin Falls Joslin
1h 35m
LAS2:15 pmLas Vegas Harry Reid Intl
Apr 3
LAS9:25 amLas Vegas Harry Reid Intl
1h 35m
TWF12:00 pmTwin Falls Joslin
$108

Allegiant Air flights from Idaho to Las Vegas

Our best Allegiant Air deals on Idaho to Las Vegas flight tickets
Allegiant Air
Feb 23
IDA10:31 pmIdaho Falls Fanning Field
1h 48m
LAS11:19 pmLas Vegas Harry Reid Intl
Feb 27
LAS12:45 pmLas Vegas Harry Reid Intl
1h 45m
IDA3:30 pmIdaho Falls Fanning Field
$94
Allegiant Air
Feb 22
GEG9:17 pmSpokane
2h 21m
LAS11:38 pmLas Vegas Harry Reid Intl
Feb 26
LAS6:06 pmLas Vegas Harry Reid Intl
2h 24m
GEG8:30 pmSpokane
$109
Allegiant Air
Mar 15
GEG9:21 pmSpokane
2h 17m
LAS11:38 pmLas Vegas Harry Reid Intl
Mar 26
LAS6:07 pmLas Vegas Harry Reid Intl
2h 24m
GEG8:31 pmSpokane
$114

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to Las Vegas 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 February 7, 2026.
Use the filters below to find and compare flights from Idaho 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

Mon 2/23

10:31 pm-11:19 pm

Nonstop1h 48m

Las Vegas Harry Reid Intl

Fri 2/27

12:45 pm-3:30 pm

Nonstop1h 45m

$94

Twin FallsLas Vegas

TWF - LAS

TWFLAS

Twin Falls Joslin

Mon 3/30

1:40 pm-2:15 pm

Nonstop1h 35m

Las Vegas Harry Reid Intl

Fri 4/3

9:25 am-12:00 pm

Nonstop1h 35m

$97

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Sat 3/7

6:00 am-6:50 am

Nonstop1h 50m

Las Vegas Harry Reid Intl

Tue 3/10

3:40 pm-6:30 pm

Nonstop1h 50m

$147

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Mon 3/9

6:00 am-6:50 am

Nonstop1h 50m

Las Vegas Harry Reid Intl

Wed 3/11

9:05 pm-11:50 pm

Nonstop1h 45m

$152

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Tue 2/24

6:00 pm-10:56 pm

1 stop5h 56m

Las Vegas Harry Reid Intl

Thu 2/26

5:30 am-11:51 am

1 stop5h 21m

$153

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Fri 2/27

11:56 am-11:44 pm

1 stop12h 48m

Las Vegas Harry Reid Intl

Sat 2/28

3:16 pm-11:11 am

1 stop18h 55m

$155

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Mon 3/2

6:00 pm-10:56 pm

1 stop5h 56m

Las Vegas Harry Reid Intl

Tue 3/3

1:54 pm-10:40 pm

1 stop7h 46m

$157

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Sun 3/1

8:25 am-9:32 am

Nonstop2h 07m

Las Vegas Harry Reid Intl

Thu 3/5

3:27 pm-11:30 pm

1 stop7h 03m

$167

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Thu 2/26

12:38 pm-7:16 am

1 stop19h 38m

Las Vegas Harry Reid Intl

Sat 2/28

3:16 pm-11:11 am

1 stop18h 55m

$176

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Tue 3/31

5:59 pm-10:46 pm

1 stop5h 47m

Las Vegas Harry Reid Intl

Mon 4/6

12:27 pm-3:12 pm

Nonstop1h 45m

$193

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Las Vegas from

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 October is another great option to travel to Las Vegas, with average flight prices from Idaho averaging around $187.

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 $248. Flights from Idaho to Las Vegas on a Thursday will generally be more expensive and average around $339. 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 $207. Flights to Las Vegas are more costly in the morning, with an average ticket price of $347. 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 Boise Air Term. Gowen Fld 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 $231 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 $189 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

$82

Fastest flight time

1h 35m

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 $82. The best round-trip flight deal from Idaho to Las Vegas found on momondo in the last 72 hours is $98.
The fastest flight from Idaho to Las Vegas takes 1h 35m
Direct flights go from Idaho to Las Vegas every day.
There is 1 airport in Las Vegas. From Idaho there are direct flights to Las Vegas Harry Reid Intl (LAS).
  • 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?

  • 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?

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 AirlinesPriceFrom $45Free CancellationRating
6.3
8,423 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $68Free CancellationRating
7.8
2,829 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $78Free CancellationRating
5.7
3,053 reviews
Search Frontier flights
DeltaPriceFrom $78Free CancellationRating
7.9
8,166 reviews
Search Delta flights
Allegiant AirPriceFrom $80Free CancellationRating
7.2
710 reviews
Search Allegiant Air flights
Alaska AirlinesPriceFrom $116Free CancellationRating
8.0
11,848 reviews
Search Alaska Airlines flights
JetBluePriceFrom $126Free CancellationRating
7.2
2,898 reviews
Search JetBlue flights
SouthwestPriceFrom $137Free CancellationRating
8.0
4,280 reviews
Search Southwest flights
United AirlinesPriceFrom $186Free CancellationRating
7.4
9,246 reviews
Search United Airlines flights

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Henderson
Paradise
Mesquite
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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1 adult
Mon 3/9
Mon 3/16

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