HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Las Vegas

$48+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LAS
Mar 27 — Apr 31
Fri 3/27
Fri 4/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho 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

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 25, 2026.

This Booking.com deal was found by Cheapflights users on 2/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:21 pm
IDA
-
LAS
Nonstop1h 41m
Allegiant Air
Fri 5/812:42 pm
LAS
-
IDA
Nonstop1h 45m
Allegiant Air
Deal found 2/25$70
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 4/171:40 pm
TWF
-
LAS
Nonstop1h 35m
Breeze Airways
Mon 4/209:25 am
LAS
-
TWF
Nonstop1h 35m
Breeze Airways
Deal found 2/25$87
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/61:50 pm
TWF
-
LAS
Nonstop1h 35m
Breeze Airways
Mon 3/99:25 am
LAS
-
TWF
Nonstop1h 35m
Breeze Airways
Deal found 2/22$88
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/31:40 pm
TWF
-
LAS
Nonstop1h 35m
Breeze Airways
Mon 4/69:25 am
LAS
-
TWF
Nonstop1h 35m
Breeze Airways
Deal found 2/23$92
This Breeze Airways deal was found by Cheapflights users on 2/23. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/301:40 pm
TWF
-
LAS
Nonstop1h 35m
Breeze Airways
Mon 4/69:25 am
LAS
-
TWF
Nonstop1h 35m
Breeze Airways
Deal found 2/23$93
This Booking.com deal was found by Cheapflights users on 2/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:21 pm
IDA
-
LAS
Nonstop1h 41m
Allegiant Air
Fri 4/2412:42 pm
LAS
-
IDA
Nonstop1h 45m
Allegiant Air
Deal found 2/24$94
This Kiwi.com deal was found by Cheapflights users on 2/24. 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.
Fri 5/81:45 pm
TWF
-
LAS
Nonstop1h 35m
Breeze Airways
Mon 5/119:25 am
LAS
-
TWF
Nonstop1h 35m
Breeze Airways
Deal found 2/24$97
This Cheapflightsfares deal was found by Cheapflights users on 2/23. 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 6/14:43 pm
IDA
-
LAS
Nonstop1h 43m
Allegiant Air
Fri 6/51:22 pm
LAS
-
IDA
Nonstop1h 46m
Allegiant Air
Deal found 2/23$101
This Cheapflightsfares deal was found by Cheapflights users on 2/22. 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.
Mon 3/910:30 pm
IDA
-
LAS
Nonstop1h 46m
Allegiant Air
Fri 3/1312:28 pm
LAS
-
IDA
Nonstop1h 46m
Allegiant Air
Deal found 2/22$109
This Booking.com deal was found by Cheapflights users on 2/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:21 pm
IDA
-
LAS
Nonstop1h 41m
Allegiant Air
Fri 4/2412:42 pm
LAS
-
IDA
Nonstop1h 45m
Allegiant Air
Deal found 2/25$114
This Breeze Airways deal was found by Cheapflights users on 2/24. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/271:40 pm
TWF
-
LAS
Nonstop1h 35m
Breeze Airways
Mon 3/309:25 am
LAS
-
TWF
Nonstop1h 35m
Breeze Airways
Deal found 2/24$118
This Cheapflightsfares deal was found by Cheapflights users on 2/25. 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 3/1310:13 pm
IDA
-
LAS
Nonstop1h 46m
Allegiant Air
Fri 3/2012:28 pm
LAS
-
IDA
Nonstop1h 46m
Allegiant Air
Deal found 2/25$118

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 February 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$70
(Booking.com)

One-way from

$44
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$321

Good round-trip deal

$98 or less

Good one-way deal

$82 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. 12% potential increase in price ($34 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 February 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 February 25, 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

Twin FallsLas Vegas

TWF - LAS

TWFLAS

Twin Falls Joslin

Fri 4/17

1:40 pm-2:15 pm

Nonstop1h 35m

Las Vegas Harry Reid Intl

Mon 4/20

9:25 am-12:00 pm

Nonstop1h 35m

$87

Twin FallsLas Vegas

TWF - LAS

TWFLAS

Twin Falls Joslin

Fri 3/27

1:40 pm-2:15 pm

Nonstop1h 35m

Las Vegas Harry Reid Intl

Mon 3/30

9:25 am-12:00 pm

Nonstop1h 35m

$118

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

Mon 4/6

9:25 am-12:00 pm

Nonstop1h 35m

$118

Twin FallsLas Vegas

TWF - LAS

TWFLAS

Twin Falls Joslin

Fri 4/10

1:40 pm-2:15 pm

Nonstop1h 35m

Las Vegas Harry Reid Intl

Mon 4/13

9:25 am-12:00 pm

Nonstop1h 35m

$128

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Tue 5/19

4:13 pm-9:05 pm

1 stop4h 52m

Las Vegas Harry Reid Intl

Wed 5/27

6:02 am-12:13 pm

1 stop6h 11m

$149

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Tue 7/7

5:20 am-9:56 am

1 stop4h 36m

Las Vegas Harry Reid Intl

Thu 7/9

7:00 pm-11:44 pm

1 stop4h 44m

$161

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Mon 4/13

7:53 pm-8:25 am

1 stop12h 32m

Las Vegas Harry Reid Intl

Tue 4/21

9:43 pm-12:40 pm

1 stop14h 57m

$191

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Tue 3/10

6:28 am-1:25 pm

1 stop7h 57m

Las Vegas Harry Reid Intl

Tue 3/17

7:29 pm-10:24 pm

Nonstop1h 55m

$222

HaileyLas Vegas

SUN - LAS

SUNLAS

Hailey Sun Valley-Friedman

Mon 4/20

12:42 pm-11:06 pm

2 stops11h 24m

Las Vegas Harry Reid Intl

Tue 4/21

10:55 am-9:42 pm

2 stops9h 47m

$259

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Tue 3/17

4:40 pm-10:53 pm

1 stop7h 13m

Las Vegas Harry Reid Intl

Thu 3/19

6:00 am-6:43 pm

1 stop11h 43m

$260

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/23

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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, September is the cheapest month in which you can book a flight from Idaho to Las Vegas (average of $46). Flying from Idaho to Las Vegas in February is currently the most expensive (average of $110). 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 February 25, 2026.

A simple way to save on the total cost of your ticket is to fly from Idaho to Las Vegas at noon. 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.

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 February 21, 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.

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 February 25, 2026.

The most flights from USID to LAS are scheduled on a Tuesday (6 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).

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 79 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 $87, Allegiant Air 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 Spokane - Las Vegas Harry Reid Intl, Boise Air Term. Gowen Fld - 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 (100%), Hawaiian Airlines (94%) and Alaska Airlines (93%).

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

    On average you can expect to pay $291 for a flight from Idaho to Las Vegas. The cheapest flight overall is $58 while the most popular route, (Spokane - Las Vegas Harry Reid Intl) is currently priced at $93.

  • 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, September is the cheapest month in which you can book a flight from Idaho to Las Vegas (average of $46). Flying from Idaho to Las Vegas in February is currently the most expensive (average of $110). 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
Henderson
North Las Vegas
Mesquite
Kingman
Winchester
Boulder City
Needles
Sunrise Manor

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Las Vegas flights
O'Hare Intl to Las Vegas flights
John F Kennedy Intl to Las Vegas flights
Dallas/Fort Worth to Las Vegas flights
Seattle to Las Vegas flights
San Francisco to Las Vegas flights
Dulles Intl to Las Vegas flights
Atlanta to Las Vegas flights
Denver to Las Vegas flights
LaGuardia to Las Vegas flights
Los Angeles to Las Vegas flights
Minneapolis to Las Vegas flights
Baltimore to Las Vegas flights
Burbank to Las Vegas flights
Orlando to Las Vegas flights
Boston to Las Vegas flights
Reagan-National to Las Vegas flights
Cleveland to Las Vegas flights
Hobby to Las Vegas flights
Santa Ana to Las Vegas flights
Philadelphia to Las Vegas flights
Detroit to Las Vegas flights
Austin to Las Vegas flights
Midway to Las Vegas flights
Cincinnati to Las Vegas flights
San Jose to Las Vegas flights
Sacramento to Las Vegas flights
Sky Harbor Intl to Las Vegas flights
George Bush Intcntl to Las Vegas flights
Portland to Las Vegas flights
Raleigh to Las Vegas flights
San Diego to Las Vegas flights
Charlotte to Las Vegas flights
St. Louis to Las Vegas flights
Love Field to Las Vegas flights
Tampa to Las Vegas flights
Fort Lauderdale to Las Vegas flights
San Antonio to Las Vegas flights
Milwaukee to Las Vegas flights
Salt Lake City to Las Vegas flights
Pittsburgh to Las Vegas flights
Columbus to Las Vegas flights
Honolulu to Las Vegas flights
Miami to Las Vegas flights
Nashville to Las Vegas flights
Oakland to Las Vegas flights
Los Angeles to Reno flights
Everett to Las Vegas flights
Indianapolis to Las Vegas flights
Ontario to Las Vegas flights

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 February 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$43Average$116FlexibilityNo cancel feeOn-time65%
Breeze AirwaysCheapest$51Average$108FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$68Average$182FlexibilityNo cancel feeOn-time85%
FrontierCheapest$78Average$189FlexibilityNo cancel feeOn-time62%
DeltaCheapest$78Average$327FlexibilityNo cancel feeOn-timeN/A
Allegiant AirCheapest$80Average$169FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$116Average$340FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$126Average$256FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$137Average$299FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$186Average$330FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.