HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho

$46+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — BOI
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Las Vegas to Idaho 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 Las Vegas to Idaho

Keep the following information in mind while searching for Las Vegas to Idaho flight deals. Data was last updated October 29, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$81
(Cheapflightsfares)

One-way from

$46
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$202

Good round-trip deal

$75 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. 16% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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

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 October 29, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 12/1212:51 pmLAS - BOI
Nonstop1h 53mAllegiant Air
Fri 12/1210:41 pmBOI - LAS
Nonstop1h 49mAllegiant Air
Deal found 10/28$81
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 11/211:00 pmLAS - BOI
Nonstop1h 52mAllegiant Air
Wed 11/269:22 pmBOI - LAS
Nonstop1h 48mAllegiant Air
Deal found 10/28$84
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 12/1212:51 pmLAS - BOI
Nonstop1h 53mAllegiant Air
Fri 1/29:46 pmBOI - LAS
Nonstop1h 49mAllegiant Air
Deal found 10/28$94
This Booking.com deal was found by Cheapflights users on 10/29. 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 11/211:00 pmLAS - BOI
Nonstop1h 52mAllegiant Air
Mon 11/2410:45 pmBOI - LAS
Nonstop1h 48mAllegiant Air
Deal found 10/29$95
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 12/510:27 amLAS - IDA
Nonstop1h 49mAllegiant Air
Sun 12/74:39 pmIDA - LAS
Nonstop1h 45mAllegiant Air
Deal found 10/28$101
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:59 amLAS - GEG
1 stop10h 09mMultiple Airlines
Sun 11/169:16 pmGEG - LAS
Nonstop2h 16mMultiple Airlines
Deal found 10/27$113
This Booking.com deal was found by Cheapflights users on 10/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:00 pmLAS - GEG
Nonstop2h 26mAllegiant Air
Sun 11/169:16 pmGEG - LAS
Nonstop2h 16mAllegiant Air
Deal found 10/27$114
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:30 amLAS - GEG
1 stop9h 36mMultiple Airlines
Sun 12/79:13 pmGEG - LAS
Nonstop2h 23mMultiple Airlines
Deal found 10/27$117
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 12/108:56 pmLAS - BOI
Nonstop2h 03mAlaska Airlines
Tue 12/1611:14 amBOI - LAS
Nonstop2h 00mAlaska Airlines
Deal found 10/27$117
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/108:56 pmLAS - BOI
Nonstop2h 03mMultiple Airlines
Mon 12/1510:41 pmBOI - LAS
Nonstop1h 49mMultiple Airlines
Deal found 10/28$120
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/227:12 pmLAS - BOI
Nonstop1h 55mMultiple Airlines
Mon 11/2410:45 pmBOI - LAS
Nonstop1h 48mMultiple Airlines
Deal found 10/27$121
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/211:00 pmLAS - BOI
Nonstop1h 52mMultiple Airlines
Mon 11/2411:39 amBOI - LAS
1 stop7h 02mMultiple Airlines
Deal found 10/28$123

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 October 29, 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

Wed 11/12

12:59 am-11:08 am

1 stop10h 09m

Spokane

Sun 11/16

9:16 pm-11:32 pm

Nonstop2h 16m

$113

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Wed 12/10

8:35 am-11:25 am

Nonstop1h 50m

Boise Air Term. Gowen Fld

Tue 12/16

5:50 pm-6:40 pm

Nonstop1h 50m

$117

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Thu 12/4

6:30 am-4:06 pm

1 stop9h 36m

Spokane

Sun 12/7

9:13 pm-11:36 pm

Nonstop2h 23m

$117

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 11/14

1:22 pm-4:08 pm

Nonstop1h 46m

Idaho Falls Fanning Field

Mon 11/17

7:56 pm-8:39 pm

Nonstop1h 43m

$123

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Fri 11/21

1:00 pm-3:52 pm

Nonstop1h 52m

Boise Air Term. Gowen Fld

Mon 11/24

4:38 pm-9:23 pm

1 stop5h 45m

$131

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Thu 12/25

5:30 pm-10:57 pm

1 stop4h 27m

Boise Air Term. Gowen Fld

Fri 1/2

6:19 pm-11:59 pm

1 stop6h 40m

$137

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Tue 12/9

5:20 pm-12:42 am

1 stop6h 22m

Boise Air Term. Gowen Fld

Wed 12/10

12:55 pm-6:18 pm

1 stop6h 23m

$137

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Wed 11/12

12:59 am-11:08 am

1 stop10h 09m

Spokane

Sun 11/16

12:03 pm-11:29 pm

1 stop11h 26m

$143

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Wed 11/19

11:05 am-6:54 pm

1 stop6h 49m

Boise Air Term. Gowen Fld

Thu 11/27

6:00 am-8:21 am

1 stop3h 21m

$147

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Fri 12/5

7:00 am-11:40 am

1 stop4h 40m

Spokane

Sun 12/7

9:13 pm-11:36 pm

Nonstop2h 23m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 60 results
1
2
3
...
6

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 $109). 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 October 29, 2025.

It’s optimal to fly from Las Vegas to Idaho in the evening. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight in the afternoon.

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 October 26, 2025.

Travelers seeking maximum savings on their Las Vegas to Idaho flight should consider departing on Thursday 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.

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 October 29, 2025.
Read through reviews of airlines operating flights from Las Vegas to Idaho, such as Alaska Airlines, Southwest, and Delta. 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
11,214 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,214 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,242 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
7,993 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Allegiant Air
7.2
Good
695 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Spirit Airlines
6.3
Okay
8,115 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 7 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 46m. Fly via Southwest, Allegiant Air, or Delta to get the fastest option. Airlines will cover a distance of 538 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 Las Vegas to Idaho one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $59. Users have also found prices from $59 and $66 on Southwest and Allegiant Air, 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 - Idaho Falls Fanning Field.

  • 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: Condor (90%), Hawaiian Airlines (88%), SkyWest Airlines( 88%).

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

    The cheapest flight price from Las Vegas to Idaho is $46. On average you can expect to pay $160. The most popular route, (Las Vegas Harry Reid Intl - Boise Air Term. Gowen Fld), can usually be booked for $81.

  • 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 $109). 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

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 Las Vegas to Idaho

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

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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$49Average$104FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$50Average$153FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$68Average$180FlexibilityNo cancel feeOn-time85%
Allegiant AirCheapest$75Average$149FlexibilityNo cancel feeOn-time88%
SouthwestCheapest$137Average$273FlexibilityNo cancel feeOn-time63%
DeltaCheapest$149Average$355FlexibilityNo cancel feeOn-timeN/A

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.