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 4/26. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
10:56 pm - 11:39 pm
IDA
-
LAS
1h 43mnonstop
Allegiant Air Logo
1:22 pm - 4:08 pm
LAS
-
IDA
1h 46mnonstop
$89Allegiant Air
Fri, Jun 19 - Mon, Jun 22
Allegiant Air Logo
10:21 pm - 11:02 pm
IDA
-
LAS
1h 41mnonstop
Allegiant Air Logo
12:42 pm - 3:27 pm
LAS
-
IDA
1h 45mnonstop
$90Allegiant Air
Mon, May 4 - Fri, May 8
Allegiant Air Logo
10:56 pm - 11:39 pm
IDA
-
LAS
1h 43mnonstop
Allegiant Air Logo
1:22 pm - 4:08 pm
LAS
-
IDA
1h 46mnonstop
$92Allegiant Air
Fri, Jun 5 - Fri, Jun 12
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
$103Breeze Airways
Mon, Apr 13 - Fri, Apr 17
Breeze Airways Logo
1:45 pm - 2:20 pm
TWF
-
LAS
1h 35mnonstop
Breeze Airways Logo
9:25 am - 12:00 pm
LAS
-
TWF
1h 35mnonstop
$108Breeze Airways
Mon, Jul 20 - Mon, Jul 27
Multiple Airlines Logo
8:45 pm - 11:00 pm
GEG
-
LAS
2h 15mnonstop
Multiple Airlines Logo
11:02 am - 3:49 pm
LAS
-
GEG
4h 47m
1 stop
$148Multiple Airlines
Sun, May 31 - Thu, Jun 4
Delta Logo
5:05 pm - 11:45 pm
GEG
-
LAS
6h 40m
1 stop
Delta Logo
6:03 am - 11:52 am
LAS
-
GEG
5h 49m
1 stop
$149Delta
Wed, Jun 10 - Sun, Jun 14
Alaska Airlines Logo
7:53 pm - 8:25 am
GEG
-
LAS
12h 32m
1 stop
Alaska Airlines Logo
10:08 am - 11:59 pm
LAS
-
GEG
13h 51m
1 stop
$154Alaska Airlines
Tue, Apr 14 - Thu, Apr 16
Multiple Airlines Logo
1:22 pm - 11:29 pm
BOI
-
LAS
11h 07m
1 stop
Multiple Airlines Logo
11:02 am - 1:20 pm
LAS
-
BOI
25h 18m
1 stop
$165Multiple Airlines
Tue, May 5 - Fri, May 22
Delta Logo
3:34 pm - 6:06 pm
SUN
-
LAS
3h 32m
1 stop
Delta Logo
5:20 pm - 9:42 pm
LAS
-
SUN
3h 22m
1 stop
$301Delta
Mon, Apr 20 - Tue, Apr 21

Breeze Airways flights from Idaho to Las Vegas

Our best Breeze Airways deals on Idaho to Las Vegas flight tickets
Breeze Airways
Apr 3
TWF1:40 pmTwin Falls Joslin
1h 35m
LAS2:15 pmLas Vegas Harry Reid Intl
Apr 10
LAS9:25 amLas Vegas Harry Reid Intl
1h 35m
TWF12:00 pmTwin Falls Joslin
$102
Breeze Airways
Jul 20
TWF1:45 pmTwin Falls Joslin
1h 35m
LAS2:20 pmLas Vegas Harry Reid Intl
Jul 27
LAS9:25 amLas Vegas Harry Reid Intl
1h 35m
TWF12:00 pmTwin Falls Joslin
$108
Breeze Airways
Jul 17
TWF1:45 pmTwin Falls Joslin
1h 35m
LAS2:20 pmLas Vegas Harry Reid Intl
Jul 20
LAS9:25 amLas Vegas Harry Reid Intl
1h 35m
TWF12:00 pmTwin Falls Joslin
$113

Delta flights from Idaho to Las Vegas

Our best Delta deals on Idaho to Las Vegas flight tickets
Delta
Jun 10
GEG5:05 pmSpokane
6h 40m
1 stop
LAS11:45 pmLas Vegas Harry Reid Intl
Jun 14
LAS6:03 amLas Vegas Harry Reid Intl
5h 49m
1 stop
GEG11:52 amSpokane
$149
Delta
May 11
GEG4:13 pmSpokane
6h 27m
1 stop
LAS10:40 pmLas Vegas Harry Reid Intl
May 13
LAS6:10 amLas Vegas Harry Reid Intl
5h 51m
1 stop
GEG12:01 pmSpokane
$162
Delta
Jun 11
GEG4:30 pmSpokane
6h 32m
1 stop
LAS11:02 pmLas Vegas Harry Reid Intl
Jun 15
LAS7:06 pmLas Vegas Harry Reid Intl
4h 53m
1 stop
GEG11:59 pmSpokane
$163

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 March 27, 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

Cheapest round-trip

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 6/19

10:56 pm-11:39 pm

Nonstop1h 43m

Las Vegas Harry Reid Intl

Mon 6/22

1:22 pm-4:08 pm

Nonstop1h 46m

$89

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Mon 5/4

10:21 pm-11:02 pm

Nonstop1h 41m

Las Vegas Harry Reid Intl

Fri 5/8

12:42 pm-3:27 pm

Nonstop1h 45m

$90

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 6/5

10:56 pm-11:39 pm

Nonstop1h 43m

Las Vegas Harry Reid Intl

Fri 6/12

1:22 pm-4:08 pm

Nonstop1h 46m

$92
Quickest round-trip

Twin FallsLas Vegas

TWF - LAS

TWFLAS

Twin Falls Joslin

Mon 4/13

1:40 pm-2:15 pm

Nonstop1h 35m

Las Vegas Harry Reid Intl

Fri 4/17

9:25 am-12:00 pm

Nonstop1h 35m

$103

Twin FallsLas Vegas

TWF - LAS

TWFLAS

Twin Falls Joslin

Mon 7/20

1:45 pm-2:20 pm

Nonstop1h 35m

Las Vegas Harry Reid Intl

Mon 7/27

9:25 am-12:00 pm

Nonstop1h 35m

$108

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Sun 5/31

8:45 pm-11:00 pm

Nonstop2h 15m

Las Vegas Harry Reid Intl

Thu 6/4

11:02 am-3:49 pm

1 stop4h 47m

$148

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Wed 6/10

5:05 pm-11:45 pm

1 stop6h 40m

Las Vegas Harry Reid Intl

Sun 6/14

6:03 am-11:52 am

1 stop5h 49m

$149

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Tue 4/14

7:53 pm-8:25 am

1 stop12h 32m

Las Vegas Harry Reid Intl

Thu 4/16

10:08 am-11:59 pm

1 stop13h 51m

$154

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Tue 5/5

1:22 pm-11:29 pm

1 stop11h 07m

Las Vegas Harry Reid Intl

Fri 5/22

11:02 am-1:20 pm

1 stop25h 18m

$165

HaileyLas Vegas

SUN - LAS

SUNLAS

Hailey Sun Valley-Friedman

Mon 4/20

3:34 pm-6:06 pm

1 stop3h 32m

Las Vegas Harry Reid Intl

Tue 4/21

5:20 pm-9:42 pm

1 stop3h 22m

$301

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 $161. The month of October is another great option to travel to Las Vegas, with average flight prices from Idaho averaging around $192.

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 $347. 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 in the evening when flights can be purchased for as low as $223. Flights to Las Vegas are more costly in the morning, with an average ticket price of $352. 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 Twin Falls Joslin 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 $245 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 $188 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

$106

Fastest flight time

1h 35m

Direct flights

Tue, Thu, Fri and Sat

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from Idaho in the past 72 hours is $106. The best round-trip flight deal from Idaho to Las Vegas found on momondo in the last 72 hours is $88.
The fastest flight from Idaho to Las Vegas takes 1h 35m
Direct flights go from Idaho to Las Vegas on Tuesday, Thursday, Friday and Saturday. Airlines offering direct flights are: Allegiant Air and Alaska Airlines.
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 $40Free CancellationRating
6.3
8,551 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $68Free CancellationRating
7.8
2,839 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $77Free CancellationRating
7.9
8,340 reviews
Search Delta flights
FrontierPriceFrom $78Free CancellationRating
5.7
3,014 reviews
Search Frontier flights
Allegiant AirPriceFrom $80Free CancellationRating
7.3
709 reviews
Search Allegiant Air flights
Breeze AirwaysPriceFrom $88Free CancellationRating
8.1
273 reviews
Search Breeze Airways flights
Alaska AirlinesPriceFrom $117Free CancellationRating
7.9
12,121 reviews
Search Alaska Airlines flights
JetBluePriceFrom $126Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
SouthwestPriceFrom $137Free CancellationRating
8.0
4,331 reviews
Search Southwest flights
United AirlinesPriceFrom $186Free CancellationRating
7.4
9,491 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
Furnace Creek
Primm
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
Sun 4/26
Sun 5/3

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