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$43+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — BOI
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
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 marzo 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$78
(Cheapflightsfares)

One-way from

$43
(FlightHub)

Popular in

December

Cheapest in

May

Average price

$158

Good round-trip deal

$88 or less

Good one-way deal

$71 or less
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Boise Air Term. Gowen Fld flights.
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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. 14% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in March 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 marzo 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/26. 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.
jue. 5/296:10 amLAS - GEG
Nonstop2h 28mAllegiant Air
dom. 6/19:28 amGEG - LAS
Nonstop2h 23mAllegiant Air
Deal found 3/26$78
This Cheapflightsfares deal was found by Cheapflights users on 3/25. 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.
vie. 5/210:04 amLAS - BOI
Nonstop1h 53mSpirit Airlines
vie. 5/912:16 pmBOI - LAS
Nonstop1h 47mSpirit Airlines
Deal found 3/25$81
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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. 4/1111:50 amLAS - IDA
Nonstop1h 52mAllegiant Air
lun. 4/149:34 pmIDA - LAS
Nonstop1h 43mAllegiant Air
Deal found 3/27$92
This Expedia deal was found by Cheapflights users on 3/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/2310:04 amLAS - BOI
Nonstop1h 53mMultiple Airlines
mar. 4/295:40 pmBOI - LAS
Nonstop1h 50mMultiple Airlines
Deal found 3/26$101
This Mytrip deal was found by Cheapflights users on 3/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/305:35 amLAS - GEG
1 stop11h 38mMultiple Airlines
dom. 6/19:28 amGEG - LAS
Nonstop2h 23mMultiple Airlines
Deal found 3/26$130
This Southwest deal was found by Cheapflights users on 3/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/299:10 pmLAS - BOI
Nonstop1h 45mSouthwest
sáb. 5/315:05 pmBOI - LAS
Nonstop1h 50mSouthwest
Deal found 3/26$147
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/2312:00 pmLAS - BOI
1 stop5h 01mAlaska Airlines
mar. 4/291:00 pmBOI - LAS
1 stop4h 40mAlaska Airlines
Deal found 3/26$156
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/253:05 pmLAS - BOI
1 stop7h 42mDelta
vie. 5/25:59 pmBOI - LAS
1 stop6h 26mDelta
Deal found 3/26$167
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
mié. 5/76:38 amLAS - GEG
1 stop6h 55mAlaska Airlines
mié. 5/74:00 pmGEG - LAS
1 stop7h 25mAlaska Airlines
Deal found 3/27$171
This Delta deal was found by Cheapflights users on 3/27. 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.
lun. 5/55:25 pmLAS - GEG
1 stop6h 19mDelta
jue. 5/83:30 pmGEG - LAS
1 stop7h 05mDelta
Deal found 3/27$177
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/226:00 amLAS - GEG
1 stop7h 38mAmerican Airlines
sáb. 4/266:27 amGEG - LAS
2 stops7h 15mAmerican Airlines
Deal found 3/27$182
This Hawaiian Airlines deal was found by Cheapflights users on 3/27. 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. 4/182:48 pmLAS - BOI
Nonstop1h 50mHawaiian Airlines
dom. 4/201:00 pmBOI - LAS
1 stop7h 41mHawaiian Airlines
Deal found 3/27$182

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 marzo 28, 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

jue. 5/29

6:10 am-8:38 am

Nonstop2h 28m

Spokane

dom. 6/1

9:28 am-11:51 am

Nonstop2h 23m

$78

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

vie. 5/2

10:04 am-12:57 pm

Nonstop1h 53m

Boise Air Term. Gowen Fld

vie. 5/9

12:16 pm-1:03 pm

Nonstop1h 47m

$81

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

vie. 4/11

11:50 am-2:42 pm

Nonstop1h 52m

Idaho Falls Fanning Field

lun. 4/14

9:34 pm-10:17 pm

Nonstop1h 43m

$92

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

mié. 4/23

10:04 am-12:57 pm

Nonstop1h 53m

Boise Air Term. Gowen Fld

dom. 4/27

5:40 pm-6:30 pm

Nonstop1h 50m

$101

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

vie. 5/30

5:35 am-5:13 pm

1 stop11h 38m

Spokane

dom. 6/1

9:28 am-11:51 am

Nonstop2h 23m

$130

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

jue. 5/29

9:10 pm-11:55 pm

Nonstop1h 45m

Boise Air Term. Gowen Fld

sáb. 5/31

5:05 pm-5:55 pm

Nonstop1h 50m

$147

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

mié. 4/23

12:00 pm-6:01 pm

1 stop5h 01m

Boise Air Term. Gowen Fld

mar. 4/29

1:00 pm-4:40 pm

1 stop4h 40m

$156

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

vie. 4/25

3:05 pm-11:47 pm

1 stop7h 42m

Boise Air Term. Gowen Fld

vie. 5/2

5:59 pm-11:25 pm

1 stop6h 26m

$167

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

mié. 5/7

6:38 am-1:33 pm

1 stop6h 55m

Spokane

mié. 5/7

4:00 pm-11:25 pm

1 stop7h 25m

$171

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

lun. 5/5

5:25 pm-11:44 pm

1 stop6h 19m

Spokane

jue. 5/8

3:30 pm-10:35 pm

1 stop7h 05m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 58 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 $421). 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 marzo 28, 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 marzo 28, 2025.

The most flights from LAS to USID are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 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 marzo 28, 2025.
To help decide which airline to fly from Las Vegas to Idaho, see what other customers have to say about Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 11 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 $43. Users have also found prices from $54 and $69 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 (92%), Southwest (88%), Allegiant Air( 88%).

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

    The cheapest flight price from Las Vegas to Idaho is $42. On average you can expect to pay $174. The most popular route, (Las Vegas Harry Reid Intl - Boise Air Term. Gowen Fld), can usually be booked for $64.

  • 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 $421). 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 marzo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$41Average$106FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$78Average$129FlexibilityNo cancel feeOn-time88%
SouthwestCheapest$138Average$258FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$142Average$242FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$272Average$580FlexibilityNo cancel feeOn-time69%
DeltaCheapest$277Average$490FlexibilityNo cancel feeOn-timeN/A
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