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Idaho

$48+ 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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — BOI
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
1 adult, Economy
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Cheap 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 December 14, 2025.

This Booking.com deal was found by Cheapflights users on 12/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1911:31 amLAS - IDA
Nonstop1h 49mAllegiant Air
Mon 12/229:20 pmIDA - LAS
Nonstop1h 45mAllegiant Air
Deal found 12/11$147
This Booking.com deal was found by Cheapflights users on 12/13. 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 12/1912:51 pmLAS - BOI
Nonstop1h 53mAllegiant Air
Mon 12/2210:41 pmBOI - LAS
Nonstop1h 49mAllegiant Air
Deal found 12/13$150
This Trip.com deal was found by Cheapflights users on 12/13. 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.
Fri 12/1912:59 amLAS - BOI
1 stop10h 00mMultiple Airlines
Mon 12/2210:41 pmBOI - LAS
Nonstop1h 49mMultiple Airlines
Deal found 12/13$204
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/184:32 pmLAS - GEG
Nonstop2h 29mMultiple Airlines
Mon 1/55:00 amGEG - LAS
1 stop4h 10mMultiple Airlines
Deal found 12/11$207
This Expedia deal was found by Cheapflights users on 12/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:59 amLAS - BOI
1 stop9h 44mFrontier
Thu 1/112:38 pmBOI - LAS
1 stop12h 04mFrontier
Deal found 12/13$212
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/291:23 pmLAS - IDA
Nonstop1h 49mAllegiant Air
Mon 1/510:52 pmIDA - LAS
Nonstop1h 43mAllegiant Air
Deal found 12/14$229
This Expedia deal was found by Cheapflights users on 12/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:14 pmLAS - GEG
1 stop5h 18mMultiple Airlines
Sat 1/312:02 pmGEG - LAS
1 stop7h 28mMultiple Airlines
Deal found 12/11$257
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/291:23 pmLAS - IDA
Nonstop1h 49mAllegiant Air
Fri 1/210:52 pmIDA - LAS
Nonstop1h 43mAllegiant Air
Deal found 12/14$257
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/1912:51 pmLAS - BOI
Nonstop1h 53mMultiple Airlines
Sun 12/219:30 pmBOI - LAS
1 stop13h 45mMultiple Airlines
Deal found 12/14$277
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:00 amLAS - GEG
1 stop4h 45mMultiple Airlines
Thu 12/187:51 pmGEG - LAS
Nonstop2h 23mMultiple Airlines
Deal found 12/11$284
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Wed 12/179:15 pmLAS - BOI
1 stop15h 37mMultiple Airlines
Fri 12/1910:41 pmBOI - LAS
Nonstop1h 49mMultiple Airlines
Deal found 12/14$295
This Expedia deal was found by Cheapflights users on 12/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:30 amLAS - GEG
1 stop9h 23mFrontier
Sat 12/2712:02 pmGEG - LAS
1 stop11h 40mFrontier
Deal found 12/12$308

Find 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 December 14, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$78
(Mytrip)

One-way from

$48
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$212

Good round-trip deal

$100 or less

Good one-way deal

$103 or less
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Boise Air Term. Gowen Fld flights.
Search Deals
From Las Vegas Harry Reid Intl to Idaho
Search Deals
One-way flight from Las Vegas Harry Reid Intl to Idaho
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Idaho.
Search Deals
Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Idaho.
Search Deals

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 December 14, 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 VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Thu 1/8

5:31 pm-8:08 pm

Nonstop2h 37m

Spokane

Sun 1/18

8:58 pm-11:18 pm

Nonstop2h 20m

$78

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Thu 1/22

5:31 pm-8:08 pm

Nonstop2h 37m

Spokane

Thu 1/29

8:58 pm-11:18 pm

Nonstop2h 20m

$94

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Mon 1/12

11:23 am-2:19 pm

Nonstop1h 56m

Idaho Falls Fanning Field

Mon 1/19

9:20 pm-10:07 pm

Nonstop1h 47m

$96

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 2/13

12:45 pm-3:31 pm

Nonstop1h 46m

Idaho Falls Fanning Field

Mon 2/16

10:31 pm-11:19 pm

Nonstop1h 48m

$116

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Sun 1/11

5:31 pm-8:08 pm

Nonstop2h 37m

Spokane

Sun 1/18

8:58 pm-11:18 pm

Nonstop2h 20m

$124

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Thu 1/8

8:50 am-11:48 am

Nonstop1h 58m

Boise Air Term. Gowen Fld

Mon 1/12

8:58 pm-9:55 pm

Nonstop1h 57m

$137

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Thu 1/8

8:50 am-11:48 am

Nonstop1h 58m

Boise Air Term. Gowen Fld

Sun 1/11

8:58 pm-9:55 pm

Nonstop1h 57m

$137

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Thu 1/22

8:50 am-11:48 am

Nonstop1h 58m

Boise Air Term. Gowen Fld

Sun 1/25

8:58 pm-9:55 pm

Nonstop1h 57m

$137

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Fri 1/9

8:50 am-11:48 am

Nonstop1h 58m

Boise Air Term. Gowen Fld

Mon 1/12

8:58 pm-9:55 pm

Nonstop1h 57m

$137

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Sun 1/11

6:40 am-9:58 am

1 stop27h 18m

Spokane

Sun 1/18

8:58 pm-11:18 pm

Nonstop2h 20m

$141

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

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, August is the cheapest month in which you can book a flight from Las Vegas to Idaho (average of $34). Flying from Las Vegas to Idaho in February is currently the most expensive (average of $108). 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 December 14, 2025.

It’s optimal to fly from Las Vegas to Idaho in the evening. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Las Vegas to Idaho. Price data was last updated on December 13, 2025.

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

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 December 14, 2025.

The most flights from LAS to USID are scheduled on a Friday (6 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).

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 December 14, 2025.
Read through reviews of airlines operating flights from Las Vegas to Idaho, such as Alaska Airlines, Southwest, and Hawaiian Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,448 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,448 reviews
Alaska Airlines
8.0
Very good
11,448 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Southwest
7.9
Good
4,250 reviews
Alaska Airlines
8.0
Very good
11,448 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Hawaiian Airlines
7.8
Good
2,819 reviews
Alaska Airlines
8.0
Very good
11,448 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Allegiant Air
7.2
Good
700 reviews
Alaska Airlines
8.0
Very good
11,448 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Spirit Airlines
6.3
Okay
8,184 reviews
Alaska Airlines
8.0
Very good
11,448 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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 8 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 Las Vegas to Idaho?

    There are many flights that can get you from Las Vegas to Idaho in 1h 58m. Fly via Allegiant Air or Alaska Airlines to get the fastest option. Airlines will cover a distance of 520 mi. Most flights are nonstop.

  • 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 $35. Users have also found prices from $46 and $52 on Allegiant Air and Alaska 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%), Hawaiian Airlines (81%), Condor( 80%).

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

    The cheapest flight price from Las Vegas to Idaho is $72. On average you can expect to pay $189. The most popular route, (Las Vegas Harry Reid Intl - Boise Air Term. Gowen Fld), can usually be booked for $137.

  • 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, August is the cheapest month in which you can book a flight from Las Vegas to Idaho (average of $34). Flying from Las Vegas to Idaho in February is currently the most expensive (average of $108). 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 6 airlines flying from Las Vegas to Idaho

Discover the top 6 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 December 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$50Average$174FlexibilityNo cancel feeOn-time75%
Spirit AirlinesCheapest$56Average$96FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$68Average$180FlexibilityNo cancel feeOn-time85%
Allegiant AirCheapest$76Average$135FlexibilityNo cancel feeOn-time88%
SouthwestCheapest$137Average$278FlexibilityNo cancel feeOn-time63%
DeltaCheapest$149Average$337FlexibilityNo cancel feeOn-timeN/A

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