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$51+ Cheap flights from Las Vegas (LAS) to Idaho

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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — BOI
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Las Vegas to Idaho

Keep the following information in mind while searching for Las Vegas to Idaho flight deals. Data was last updated junio 12, 2025.

Round-trip from

$104
(Cheapflightsfares)

One-way from

$51
(FlightHub)

Popular in

April

Cheapest in

August

Average price

$185

Good round-trip deal

$101 or less

Good one-way deal

$62 or less
From Las Vegas Harry Reid Intl to Idaho
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One-way flight from Las Vegas Harry Reid Intl to Idaho
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Highest demand for flights based on searches. 21% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Idaho.
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Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Idaho.
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Find flight deals from Las Vegas to Idaho

Cheapest flights from Las Vegas to Idaho
Explore the most affordable flight options available from Las Vegas to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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.
jue. 9/255:53 pmLAS - BOI
Nonstop1h 51mSpirit Airlines
dom. 9/289:49 pmBOI - LAS
Nonstop1h 51mSpirit Airlines
Deal found 6/12$104
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
vie. 12/512:51 pmLAS - BOI
Nonstop1h 53mAllegiant Air
lun. 12/810:41 pmBOI - LAS
Nonstop1h 49mAllegiant Air
Deal found 6/10$114
This Mytrip deal was found by Cheapflights users on 6/10. 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.
jue. 7/319:37 pmLAS - GEG
1 stop19h 25mMultiple Airlines
dom. 8/173:46 pmGEG - LAS
Nonstop2h 23mMultiple Airlines
Deal found 6/10$123
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
jue. 6/266:20 amLAS - GEG
Nonstop2h 23mAllegiant Air
dom. 6/299:33 amGEG - LAS
Nonstop2h 15mAllegiant Air
Deal found 6/11$136
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
jue. 8/288:59 pmLAS - BOI
Nonstop1h 58mAlaska Airlines
lun. 9/296:01 pmBOI - LAS
Nonstop1h 58mAlaska Airlines
Deal found 6/11$137
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
vie. 6/208:57 amLAS - IDA
Nonstop1h 48mAllegiant Air
lun. 6/236:17 pmIDA - LAS
Nonstop1h 46mAllegiant Air
Deal found 6/11$137
This Mytrip deal was found by Cheapflights users on 6/11. 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.
vie. 7/188:56 amLAS - IDA
Nonstop1h 48mMultiple Airlines
lun. 7/217:23 pmIDA - LAS
1 stop16h 36mMultiple Airlines
Deal found 6/11$138
This Southwest deal was found by Cheapflights users on 6/10. 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.
jue. 9/255:50 amLAS - BOI
1 stop4h 40mSouthwest
dom. 9/286:30 amBOI - LAS
Nonstop1h 45mSouthwest
Deal found 6/10$147
This Delta deal was found by Cheapflights users on 6/10. 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.
jue. 9/257:30 pmLAS - BOI
1 stop3h 47mDelta
mié. 10/13:05 pmBOI - LAS
1 stop5h 08mDelta
Deal found 6/10$157
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/266:00 amLAS - GEG
1 stop6h 28mHawaiian Airlines
sáb. 8/26:07 pmGEG - LAS
1 stop5h 19mHawaiian Airlines
Deal found 6/11$159
This Hawaiian Airlines deal was found by Cheapflights users on 6/11. 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.
vie. 7/119:03 pmLAS - BOI
Nonstop1h 55mHawaiian Airlines
dom. 7/135:46 pmBOI - LAS
Nonstop2h 00mHawaiian Airlines
Deal found 6/11$161
This Mytrip deal was found by Cheapflights users on 6/11. 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.
vie. 7/188:15 pmLAS - BOI
1 stop16h 24mMultiple Airlines
lun. 7/217:48 pmBOI - LAS
Nonstop1h 51mMultiple Airlines
Deal found 6/11$172

Cheapflights Fare Finder

Customize your flight search to find flights from Las Vegas to Idaho 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 junio 12, 2025.
Use the filters below to find and compare flights from Las Vegas to Idaho that are best for you.

Fly from

Las Vegas

Fly to

Idaho

Route

Depart

Return

Price

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

vie. 7/11

4:05 pm-6:52 pm

Nonstop1h 47m

Boise Air Term. Gowen Fld

lun. 7/14

7:48 pm-8:39 pm

Nonstop1h 51m

$104

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

jue. 7/31

9:37 pm-5:02 pm

1 stop19h 25m

Spokane

dom. 8/17

3:46 pm-6:09 pm

Nonstop2h 23m

$123

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

jue. 6/26

6:20 am-8:43 am

Nonstop2h 23m

Spokane

dom. 6/29

9:33 am-11:48 am

Nonstop2h 15m

$136

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

jue. 8/28

8:59 pm-11:57 pm

Nonstop1h 58m

Boise Air Term. Gowen Fld

dom. 9/28

6:01 pm-6:59 pm

Nonstop1h 58m

$137

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

vie. 7/18

8:56 am-11:44 am

Nonstop1h 48m

Idaho Falls Fanning Field

lun. 7/21

7:23 pm-10:59 am

1 stop16h 36m

$138

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

jue. 8/14

9:00 am-5:00 pm

1 stop7h 00m

Boise Air Term. Gowen Fld

dom. 8/17

6:30 am-7:15 am

Nonstop1h 45m

$147

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

sáb. 7/26

6:00 am-12:28 pm

1 stop6h 28m

Spokane

sáb. 8/2

6:07 pm-11:26 pm

1 stop5h 19m

$159

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

vie. 7/11

9:03 pm-11:58 pm

Nonstop1h 55m

Boise Air Term. Gowen Fld

dom. 7/13

5:46 pm-6:46 pm

Nonstop2h 00m

$161

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

sáb. 8/30

6:00 pm-11:50 pm

1 stop4h 50m

Boise Air Term. Gowen Fld

mié. 10/1

1:15 pm-6:03 pm

1 stop5h 48m

$167

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

vie. 7/18

8:15 pm-1:39 pm

1 stop16h 24m

Boise Air Term. Gowen Fld

lun. 7/21

7:48 pm-8:39 pm

Nonstop1h 51m

$172

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 60 results
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Best time to book a flight from Las Vegas to Idaho

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

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

Currently, October is the cheapest month in which you can book a flight from Las Vegas to Idaho (average of $314). Flying from Las Vegas to Idaho in June is currently the most expensive (average of $395). 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 LAS to ID?

Find hourly flight availability from Las Vegas to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

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

Weekly flight availability from Las Vegas to Idaho

Explore weekly flight availability from Las Vegas to Idaho. 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 junio 12, 2025.

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

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated junio 12, 2025.
To help decide which airline to fly from Las Vegas to Idaho, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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 Las Vegas to Idaho. 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 from for flights from Las Vegas to Idaho?

    Most people fly from Las Vegas Harry Reid Intl (LAS) if they book a flight from Las Vegas to Idaho. Las Vegas Harry Reid Intl is conveniently located just 6.2 mi from Las Vegas’s city center.

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

    This flight path from Las Vegas Harry Reid Intl to Idaho was viewed by 16 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 Las Vegas to Idaho one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $51. Users have also found prices from $53 and $69 on Allegiant Air and Hawaiian Airlines, respectively.

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

    The most popular flight routes from Las Vegas to Idaho are Las Vegas Harry Reid Intl - Boise Air Term. Gowen Fld, Las Vegas Harry Reid Intl - Spokane and Las Vegas Harry Reid Intl - Jackson Hole.

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

    Before booking your flight to Idaho from Las Vegas, check out the most reliable airlines to get you to your destination on time: Spirit Airlines (100%), Condor (87%), SkyWest Airlines( 82%).

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

    The cheapest flight price from Las Vegas to Idaho is $60. On average you can expect to pay $155. The most popular route, (Las Vegas Harry Reid Intl - Boise Air Term. Gowen Fld), can usually be booked for $104.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Idaho.

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

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

    Currently, October is the cheapest month in which you can book a flight from Las Vegas to Idaho (average of $314). Flying from Las Vegas to Idaho in June is currently the most expensive (average of $395). 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

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Alternative routes for Las Vegas to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Las Vegas to Idaho

Discover the top 7 airlines that operate flights from Las Vegas to Idaho. 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$46Average$104FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$75Average$128FlexibilityNo cancel feeOn-time88%
Hawaiian AirlinesCheapest$80Average$161FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$137Average$232FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$147Average$287FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$219Average$549FlexibilityNo cancel feeOn-time69%
DeltaCheapest$264Average$470FlexibilityNo cancel feeOn-timeN/A

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