HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho

$34+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — BOI
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$68
(Booking.com)

One-way from

$34
(Mytrip)

Popular in

July

Cheapest in

August

Average price

$230

Good round-trip deal

$80 or less

Good one-way deal

$58 or less
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. 7% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 31, 2025.

This Booking.com deal was found by Cheapflights users on 7/29. 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.
Mon 9/85:26 pmLAS - BOI
Nonstop1h 55mSpirit Airlines
Thu 9/112:16 pmBOI - LAS
Nonstop1h 51mSpirit Airlines
Deal found 7/29$68
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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.
Thu 9/185:56 pmLAS - GEG
Nonstop2h 20mAllegiant Air
Sun 9/219:06 pmGEG - LAS
Nonstop2h 19mAllegiant Air
Deal found 7/30$78
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/158:44 amLAS - IDA
Nonstop1h 46mAllegiant Air
Mon 8/186:20 pmIDA - LAS
Nonstop1h 46mAllegiant Air
Deal found 7/29$96
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/97:40 pmLAS - BOI
Nonstop1h 45mSouthwest
Wed 9/106:05 pmBOI - LAS
Nonstop1h 50mSouthwest
Deal found 7/29$131
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Thu 10/235:55 pmLAS - GEG
Nonstop2h 23mMultiple Airlines
Mon 10/277:00 amGEG - LAS
1 stop7h 12mMultiple Airlines
Deal found 7/28$134
This Hawaiian Airlines deal was found by Cheapflights users on 7/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/158:14 pmLAS - BOI
Nonstop2h 01mHawaiian Airlines
Sun 10/198:02 amBOI - LAS
Nonstop2h 01mHawaiian Airlines
Deal found 7/29$141
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 10/227:15 amLAS - GEG
1 stop4h 24mHawaiian Airlines
Tue 10/287:35 amGEG - LAS
1 stop7h 12mHawaiian Airlines
Deal found 7/28$142
This CheapOair deal was found by Cheapflights users on 7/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2310:45 amLAS - BOI
1 stop23h 53mMultiple Airlines
Sun 8/316:06 pmBOI - LAS
Nonstop1h 50mMultiple Airlines
Deal found 7/29$146
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/286:00 amLAS - BOI
1 stop6h 06mDelta
Thu 9/42:00 pmBOI - LAS
1 stop7h 17mDelta
Deal found 7/29$151
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 9/410:20 amLAS - GEG
1 stop6h 31mAlaska Airlines
Sun 9/77:00 amGEG - LAS
1 stop9h 34mAlaska Airlines
Deal found 7/31$156
This Mytrip deal was found by Cheapflights users on 7/30. 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 8/1410:25 pmLAS - IDA
2 stops19h 16mMultiple Airlines
Mon 8/186:20 pmIDA - LAS
Nonstop1h 46mMultiple Airlines
Deal found 7/30$156
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:00 amLAS - GEG
1 stop4h 34mDelta
Mon 12/155:05 amGEG - LAS
1 stop4h 52mDelta
Deal found 7/29$157

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 July 31, 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

Mon 9/8

5:26 pm-8:21 pm

Nonstop1h 55m

Boise Air Term. Gowen Fld

Thu 9/11

2:16 pm-3:07 pm

Nonstop1h 51m

$68

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Thu 9/18

5:56 pm-8:16 pm

Nonstop2h 20m

Spokane

Sun 9/21

9:06 pm-11:25 pm

Nonstop2h 19m

$78

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 8/15

8:44 am-11:30 am

Nonstop1h 46m

Idaho Falls Fanning Field

Mon 8/18

6:20 pm-7:06 pm

Nonstop1h 46m

$96

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Tue 9/9

7:40 pm-10:25 pm

Nonstop1h 45m

Boise Air Term. Gowen Fld

Wed 9/10

6:05 pm-6:55 pm

Nonstop1h 50m

$131

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Thu 10/23

5:55 pm-8:18 pm

Nonstop2h 23m

Spokane

Sun 10/26

5:51 am-11:18 am

1 stop5h 27m

$134

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Wed 10/15

8:14 pm-11:15 pm

Nonstop2h 01m

Boise Air Term. Gowen Fld

Sun 10/19

8:02 am-9:03 am

Nonstop2h 01m

$141

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Wed 10/22

7:15 am-11:39 am

1 stop4h 24m

Spokane

Tue 10/28

7:35 am-2:47 pm

1 stop7h 12m

$142

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Sat 8/23

10:45 am-11:38 am

1 stop23h 53m

Boise Air Term. Gowen Fld

Sun 8/31

6:06 pm-6:56 pm

Nonstop1h 50m

$146

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Thu 8/28

6:00 am-1:06 pm

1 stop6h 06m

Boise Air Term. Gowen Fld

Thu 9/4

2:00 pm-8:17 pm

1 stop7h 17m

$151

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Thu 9/4

10:20 am-4:51 pm

1 stop6h 31m

Spokane

Sun 9/7

7:00 am-4:34 pm

1 stop9h 34m

$156

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 56 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, 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 $398). 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 July 31, 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 July 31, 2025.

The most flights from LAS to USID are scheduled on a Thursday (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 July 31, 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
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 $34. Users have also found prices from $49 and $63 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 - Spokane, Las Vegas Harry Reid Intl - Boise Air Term. Gowen Fld and Las Vegas Harry Reid Intl - West Yellowstone.

  • 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: SkyWest Airlines (75%), Alaska Airlines (75%), Hawaiian Airlines( 73%).

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

    The cheapest flight price from Las Vegas to Idaho is $39. On average you can expect to pay $164. The most popular route, (Las Vegas Harry Reid Intl - Spokane), can usually be booked for $78.

  • 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 $398). 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 Honolulu flights
Las Vegas to John F Kennedy Intl flights
Las Vegas to Seattle flights
Las Vegas to Denver flights
Las Vegas to Los Angeles flights
Las Vegas to O'Hare Intl flights
Las Vegas to Newark flights
Las Vegas to Boston flights
Las Vegas to Santa Ana flights
Las Vegas to LaGuardia flights
Las Vegas to Orlando flights
Las Vegas to Burbank flights
Las Vegas to Hobby flights
Las Vegas to Dallas/Fort Worth flights
Las Vegas to Sky Harbor Intl flights
Las Vegas to Detroit flights
Las Vegas to San Francisco flights
Las Vegas to San Diego flights
Las Vegas to Fort Lauderdale flights
Las Vegas to Kahului flights
Reno to Los Angeles flights
Las Vegas to Reno flights
Reno to Las Vegas flights
Las Vegas to Ontario flights
Las Vegas to Salt Lake City flights
Las Vegas to George Bush Intcntl flights
Reno to Portland flights
Las Vegas to Portland flights
Las Vegas to Dulles Intl flights
Reno to Hobby flights
Las Vegas to Everett flights
Las Vegas to Midway flights
Las Vegas to Oakland flights
Reno to Seattle flights
Las Vegas to Baltimore flights
Las Vegas to San Jose flights
Reno to O'Hare Intl flights
Las Vegas to Atlanta flights
Reno to Denver flights
Las Vegas to Austin flights
Las Vegas to Miami flights
Las Vegas to Nashville flights
Las Vegas to Reagan-National flights
Reno to San Diego flights
Las Vegas to San Antonio flights
Reno to John F Kennedy Intl flights
Las Vegas to New Orleans flights
Las Vegas to Indianapolis flights
Reno to Salt Lake City flights
Las Vegas to Raleigh flights

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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$47Average$99FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$80Average$177FlexibilityNo cancel feeOn-time85%
Allegiant AirCheapest$88Average$128FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$137Average$217FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$147Average$282FlexibilityNo cancel feeOn-time63%
DeltaCheapest$149Average$401FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$290Average$546FlexibilityNo cancel feeOn-time69%

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.