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$45+ Cheap flights from Idaho to Las Vegas (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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LAS
Jun 25 — Jul 21
Thu 6/25
Thu 7/2
1 adult, Economy
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Cheap flight deals from Idaho to Las Vegas

Cheapest flights from Idaho to Las Vegas
Explore the most affordable flight options available from Idaho to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 26, 2026.

This Booking.com deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:47 pm
IDA
-
LAS
Nonstop1h 43m
Allegiant Air
Fri 8/71:17 pm
LAS
-
IDA
Nonstop1h 48m
Allegiant Air
Deal found 5/23$70
This Booking.com deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/310:47 pm
IDA
-
LAS
Nonstop1h 43m
Allegiant Air
Fri 8/218:00 am
LAS
-
IDA
Nonstop1h 47m
Allegiant Air
Deal found 5/26$74
This Booking.com deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/710:54 pm
IDA
-
LAS
Nonstop1h 43m
Allegiant Air
Fri 8/141:17 pm
LAS
-
IDA
Nonstop1h 48m
Allegiant Air
Deal found 5/23$82
This Kiwi.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:45 pm
TWF
-
LAS
Nonstop1h 35m
Breeze Airways
Mon 8/249:25 am
LAS
-
TWF
Nonstop1h 35m
Breeze Airways
Deal found 5/25$87
This Kiwi.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:45 pm
TWF
-
LAS
Nonstop1h 35m
Breeze Airways
Fri 9/189:25 am
LAS
-
TWF
Nonstop1h 35m
Breeze Airways
Deal found 5/24$88
This Cheapflightsfares deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:47 pm
IDA
-
LAS
Nonstop1h 43m
Allegiant Air
Fri 7/241:12 pm
LAS
-
IDA
Nonstop1h 48m
Allegiant Air
Deal found 5/26$89
This Mytrip deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:33 pm
IDA
-
LAS
Nonstop1h 43m
Allegiant Air
Mon 8/3111:00 am
LAS
-
IDA
Nonstop1h 47m
Allegiant Air
Deal found 5/25$92
This Mytrip deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:54 pm
IDA
-
LAS
Nonstop1h 43m
Allegiant Air
Mon 8/171:17 pm
LAS
-
IDA
Nonstop1h 48m
Allegiant Air
Deal found 5/23$96
This Cheapflightsfares deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2910:56 pm
IDA
-
LAS
Nonstop1h 43m
Allegiant Air
Fri 7/241:12 pm
LAS
-
IDA
Nonstop1h 48m
Allegiant Air
Deal found 5/23$97
This Cheapflightsfares deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1910:56 pm
IDA
-
LAS
Nonstop1h 43m
Allegiant Air
Fri 6/261:22 pm
LAS
-
IDA
Nonstop1h 46m
Allegiant Air
Deal found 5/25$101
This Kiwi.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2210:56 pm
IDA
-
LAS
Nonstop1h 43m
Allegiant Air
Fri 6/261:22 pm
LAS
-
IDA
Nonstop1h 46m
Allegiant Air
Deal found 5/24$113
This Cheapflightsfares deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/510:56 pm
IDA
-
LAS
Nonstop1h 43m
Allegiant Air
Fri 6/121:22 pm
LAS
-
IDA
Nonstop1h 46m
Allegiant Air
Deal found 5/22$114

Find flight deals from Idaho to Las Vegas

Keep the following information in mind while searching for Idaho to Las Vegas flight deals. Data was last updated May 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$70
(Booking.com)

One-way from

$45
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$312

Good round-trip deal

$106 or less

Good one-way deal

$56 or less
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Las Vegas Harry Reid Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Las Vegas Harry Reid Intl flights.
Search Deals
From Idaho to Las Vegas Harry Reid Intl
Search Deals
One-way flight from Idaho to Las Vegas Harry Reid Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Idaho to Las Vegas Harry Reid Intl.
Search Deals
Price to beat on a one-way flight from Idaho to Las Vegas Harry Reid Intl.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated May 26, 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
Quickest round-trip

Twin FallsLas Vegas

TWF - LAS

TWFLAS

Twin Falls Joslin

Mon 9/28

1:45 pm-2:20 pm

Nonstop1h 35m

Las Vegas Harry Reid Intl

Fri 10/2

9:25 am-12:00 pm

Nonstop1h 35m

$88

Twin FallsLas Vegas

TWF - LAS

TWFLAS

Twin Falls Joslin

Mon 9/14

1:45 pm-2:20 pm

Nonstop1h 35m

Las Vegas Harry Reid Intl

Fri 9/18

9:25 am-12:00 pm

Nonstop1h 35m

$88

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Tue 6/16

7:05 pm-11:10 pm

1 stop5h 05m

Las Vegas Harry Reid Intl

Tue 6/23

2:15 pm-10:05 pm

1 stop6h 50m

$227

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Wed 7/1

6:35 am-12:13 pm

1 stop5h 38m

Las Vegas Harry Reid Intl

Fri 7/3

6:05 am-11:52 am

1 stop5h 47m

$243

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Tue 7/21

6:30 am-10:40 am

2 stops5h 10m

Las Vegas Harry Reid Intl

Wed 7/29

6:30 am-2:25 pm

2 stops6h 55m

$247

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Wed 9/23

4:55 pm-9:15 pm

1 stop4h 20m

Las Vegas Harry Reid Intl

Wed 9/30

7:50 am-3:05 pm

2 stops7h 15m

$254

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Tue 9/22

7:20 am-12:04 pm

1 stop5h 44m

Las Vegas Harry Reid Intl

Wed 9/23

4:20 pm-10:27 pm

1 stop5h 07m

$257

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Wed 7/15

6:00 am-8:50 am

1 stop3h 50m

Las Vegas Harry Reid Intl

Thu 7/16

7:55 pm-12:05 am

1 stop3h 10m

$258

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Fri 9/11

5:40 pm-9:59 pm

1 stop5h 19m

Las Vegas Harry Reid Intl

Sun 9/13

6:00 am-11:04 am

1 stop4h 04m

$268

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Fri 7/17

6:00 am-6:45 am

Nonstop1h 45m

Las Vegas Harry Reid Intl

Tue 7/21

7:55 am-10:45 am

Nonstop1h 50m

$272

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/22

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Idaho to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Idaho 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 to Las Vegas

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

Currently, October is the cheapest month in which you can book a flight from Idaho to Las Vegas (average of $34). Flying from Idaho to Las Vegas in February is currently the most expensive (average of $83). 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 ID to LAS?

Find hourly flight availability from Idaho to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 26, 2026.

A simple way to save on the total cost of your ticket is to fly from Idaho to Las Vegas in the evening. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight in the morning.

Weekly flight availability from Idaho to Las Vegas

Explore weekly flight availability from Idaho to Las Vegas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 26, 2026.

The most flights from USID to LAS are scheduled on a Monday (4 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).

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

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

The price you pay for your flight from Idaho to Las Vegas may vary depending on when you book. For the best chance of a lower fare, look to book 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest day to fly from Idaho to Las Vegas?

Use this chart to determine the cheapest time to fly round-trip from Idaho to Las Vegas. Price data was last updated on May 23, 2026.

Travelers seeking maximum savings on their Idaho to Las Vegas flight should consider departing on Sunday evenings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

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

  • What airport do you fly into for flights to Las Vegas from Idaho?

    Las Vegas Harry Reid Intl (LAS) is the airport you will fly into if you book a flight from Idaho to Las Vegas. It is only a 6.2 mi journey from Harry Reid Intl (LAS) to Las Vegas’s city center.

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

    The Idaho to Las Vegas Harry Reid Intl flight path was viewed by 74 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 to Las Vegas?

    For as low as $88, Breeze Airways can have you in Las Vegas from Idaho in 1h 35m. The distance between Idaho and Las Vegas is about 443 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $34. Allegiant Air flights start at $48 while deals on Alaska Airlines start at $58 one-way.

  • What are the most popular routes from Idaho to Las Vegas?

    Most travelers choose Boise Air Term. Gowen Fld - Las Vegas Harry Reid Intl, Spokane - Las Vegas Harry Reid Intl or Idaho Falls Fanning Field - Las Vegas Harry Reid Intl when deciding on the best route from Idaho to Las Vegas.

  • What are the most reliable airlines from Idaho to Las Vegas?

    The top 3 most reliable airlines when flying from Idaho to Las Vegas are SkyWest Airlines (92%), Alaska Airlines (87%) and Hawaiian Airlines (86%).

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

    On average you can expect to pay $326 for a flight from Idaho to Las Vegas. The cheapest flight overall is $108 while the most popular route, (Boise Air Term. Gowen Fld - Las Vegas Harry Reid Intl) is currently priced at $197.

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

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

  • How can I find direct flights from Idaho 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 to Las Vegas.

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

    Yes. Cheapflights offers flight deals from Idaho 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 to Las Vegas?

    Currently, October is the cheapest month in which you can book a flight from Idaho to Las Vegas (average of $34). Flying from Idaho to Las Vegas in February is currently the most expensive (average of $83). 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

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Paradise
Mesquite
Henderson
North Las Vegas
Kingman
Winchester
Boulder City
Needles
Sunrise Manor

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Top 10 airlines flying from Idaho to Las Vegas

Discover the top 10 airlines that operate flights from Idaho to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$39Average$108FlexibilityNo cancel feeOn-time65%
DeltaCheapest$68Average$332FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$68Average$196FlexibilityNo cancel feeOn-time85%
FrontierCheapest$78Average$248FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$80Average$168FlexibilityNo cancel feeOn-time88%
Breeze AirwaysCheapest$88Average$103FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$117Average$297FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$137Average$314FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$186Average$328FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$191Average$327FlexibilityNo cancel feeOn-time62%

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