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$46+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LAS
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap 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 July 3, 2025.

Round-trip from

$68
(Mytrip)

One-way from

$46
(FlightHub)

Popular in

May

Cheapest in

August

Average price

$142

Good round-trip deal

$88 or less

Good one-way deal

$80 or less
From Idaho to Las Vegas Harry Reid Intl
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One-way flight from Idaho to Las Vegas Harry Reid Intl
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Highest demand for flights based on searches. 15% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Idaho to Las Vegas Harry Reid Intl.
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Price to beat on a one-way flight from Idaho to Las Vegas Harry Reid Intl.
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Find 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 July 3, 2025.

This Mytrip deal was found by Cheapflights users on 7/2. 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 8/2210:50 pmIDA - LAS
Nonstop1h 46mAllegiant Air
Mon 8/258:05 amLAS - IDA
Nonstop1h 46mAllegiant Air
Deal found 7/2$68
This Gotogate deal was found by Cheapflights users on 7/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/243:08 pmGEG - LAS
Nonstop2h 23mAllegiant Air
Thu 8/288:35 amLAS - GEG
Nonstop2h 28mAllegiant Air
Deal found 7/3$86
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 9/269:16 pmBOI - LAS
Nonstop1h 57mSpirit Airlines
Sat 10/45:26 pmLAS - BOI
Nonstop1h 55mSpirit Airlines
Deal found 7/1$107
This Mytrip deal was found by Cheapflights users on 7/1. 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 8/85:52 pmGEG - LAS
1 stop13h 05mMultiple Airlines
Sun 8/106:20 amLAS - GEG
Nonstop2h 23mMultiple Airlines
Deal found 7/1$124
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/135:46 pmBOI - LAS
Nonstop2h 00mAlaska Airlines
Wed 8/139:03 pmLAS - BOI
Nonstop1h 55mAlaska Airlines
Deal found 7/2$131
This Mytrip deal was found by Cheapflights users on 7/2. 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 8/2210:50 pmIDA - LAS
Nonstop1h 46mMultiple Airlines
Mon 8/255:45 amLAS - IDA
1 stop8h 04mMultiple Airlines
Deal found 7/2$133
This Priceline deal was found by Cheapflights users on 7/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1412:36 pmBOI - LAS
1 stop7h 20mMultiple Airlines
Sun 8/172:18 pmLAS - BOI
Nonstop1h 53mMultiple Airlines
Deal found 7/3$136
This Hawaiian Airlines deal was found by Cheapflights users on 7/1. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/135:46 pmBOI - LAS
Nonstop2h 00mHawaiian Airlines
Fri 8/159:03 pmLAS - BOI
Nonstop1h 55mHawaiian Airlines
Deal found 7/1$137
This Southwest deal was found by Cheapflights users on 7/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/22:15 pmGEG - LAS
Nonstop2h 15mSouthwest
Sun 10/56:10 amLAS - GEG
1 stop7h 35mSouthwest
Deal found 7/2$147
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Sat 8/167:42 pmGEG - LAS
1 stop4h 17mHawaiian Airlines
Sat 8/235:49 pmLAS - GEG
1 stop4h 36mHawaiian Airlines
Deal found 7/2$154
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/245:06 amGEG - LAS
1 stop4h 15mAlaska Airlines
Thu 8/285:46 pmLAS - GEG
1 stop6h 13mAlaska Airlines
Deal found 7/3$156
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/285:45 amBOI - LAS
1 stop5h 10mDelta
Thu 10/25:14 pmLAS - BOI
1 stop5h 51mDelta
Deal found 7/1$157

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 July 3, 2025.
Use the filters below to find and compare flights from Idaho to Las Vegas that are best for you.

Fly from

Idaho

Fly to

Las Vegas

Route

Depart

Return

Price

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 8/22

10:50 pm-11:36 pm

Nonstop1h 46m

Las Vegas Harry Reid Intl

Mon 8/25

8:05 am-10:51 am

Nonstop1h 46m

$68

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Sun 8/24

3:08 pm-5:31 pm

Nonstop2h 23m

Las Vegas Harry Reid Intl

Thu 8/28

8:35 am-11:03 am

Nonstop2h 28m

$86

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Fri 9/26

9:16 pm-10:13 pm

Nonstop1h 57m

Las Vegas Harry Reid Intl

Sat 10/4

5:26 pm-8:21 pm

Nonstop1h 55m

$107

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Fri 8/8

5:52 pm-6:57 am

1 stop13h 05m

Las Vegas Harry Reid Intl

Sun 8/10

6:20 am-8:43 am

Nonstop2h 23m

$124

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Wed 8/13

5:46 pm-6:46 pm

Nonstop2h 00m

Las Vegas Harry Reid Intl

Wed 8/13

9:03 pm-11:58 pm

Nonstop1h 55m

$131

Idaho FallsLas Vegas

IDA - LAS

IDALAS

Idaho Falls Fanning Field

Fri 8/22

10:50 pm-11:36 pm

Nonstop1h 46m

Las Vegas Harry Reid Intl

Mon 8/25

5:45 am-2:49 pm

1 stop8h 04m

$133

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Thu 8/14

12:36 pm-6:56 pm

1 stop7h 20m

Las Vegas Harry Reid Intl

Fri 8/15

2:18 pm-5:11 pm

Nonstop1h 53m

$136

BoiseLas Vegas

BOI - LAS

BOILAS

Boise Air Term. Gowen Fld

Wed 8/13

5:46 pm-6:46 pm

Nonstop2h 00m

Las Vegas Harry Reid Intl

Fri 8/15

9:03 pm-11:58 pm

Nonstop1h 55m

$137

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Sun 8/31

4:40 pm-8:35 pm

1 stop3h 55m

Las Vegas Harry Reid Intl

Thu 9/4

9:25 pm-11:40 pm

Nonstop2h 15m

$147

SpokaneLas Vegas

GEG - LAS

GEGLAS

Spokane

Sat 8/16

7:42 pm-11:59 pm

1 stop4h 17m

Las Vegas Harry Reid Intl

Sat 8/23

5:49 pm-10:25 pm

1 stop4h 36m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 59 results
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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, August is the cheapest month in which you can book a flight from Idaho to Las Vegas (average of $198). Flying from Idaho to Las Vegas in March is currently the most expensive (average of $269). 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 July 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Las Vegas as you normally would.

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 July 3, 2025.

The most flights from USID to LAS are scheduled on a Monday (5 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated July 3, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Idaho to Las Vegas by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,270 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,970 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,845 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 111 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 $46. Allegiant Air flights start at $49 while deals on Hawaiian Airlines start at $65 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 Jackson Hole - 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 (94%), Spirit Airlines (94%) and Hawaiian Airlines (93%).

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

    On average you can expect to pay $216 for a flight from Idaho to Las Vegas. The cheapest flight overall is $68 while the most popular route, (Boise Air Term. Gowen Fld - Las Vegas Harry Reid Intl) is currently priced at $94.

  • 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, August is the cheapest month in which you can book a flight from Idaho to Las Vegas (average of $198). Flying from Idaho to Las Vegas in March is currently the most expensive (average of $269). 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 Idaho?

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

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Alternative routes for Idaho to Las Vegas

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Top 7 airlines flying from Idaho to Las Vegas

Discover the top 7 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$49Average$132FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$76Average$142FlexibilityNo cancel feeOn-time88%
Hawaiian AirlinesCheapest$78Average$189FlexibilityNo cancel feeOn-time85%
DeltaCheapest$136Average$444FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$158Average$414FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$160Average$290FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$196Average$556FlexibilityNo cancel feeOn-time69%

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