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$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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — BOI
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
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 January 28, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Thu 2/126:08 pm
LAS
-
GEG
Nonstop2h 24m
Allegiant Air
Sun 2/159:17 pm
GEG
-
LAS
Nonstop2h 21m
Allegiant Air
Deal found 1/27$88
This Gotogate deal was found by Cheapflights users on 1/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/126:07 pm
LAS
-
GEG
Nonstop2h 24m
Allegiant Air
Sun 3/159:21 pm
GEG
-
LAS
Nonstop2h 17m
Allegiant Air
Deal found 1/28$106
This Mytrip deal was found by Cheapflights users on 1/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:05 pm
LAS
-
GEG
Nonstop2h 24m
Allegiant Air
Sun 3/159:21 pm
GEG
-
LAS
Nonstop2h 17m
Allegiant Air
Deal found 1/25$108
This Booking.com deal was found by Cheapflights users on 1/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/510:05 am
LAS
-
IDA
Nonstop1h 46m
Allegiant Air
Mon 6/87:39 pm
IDA
-
LAS
Nonstop1h 43m
Allegiant Air
Deal found 1/26$115
This Southwest deal was found by Cheapflights users on 1/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:40 am
LAS
-
BOI
Nonstop1h 50m
Southwest
Sun 3/16:00 am
BOI
-
LAS
Nonstop1h 55m
Southwest
Deal found 1/27$117
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:31 pm
LAS
-
GEG
Nonstop2h 24m
Allegiant Air
Sun 5/318:45 pm
GEG
-
LAS
Nonstop2h 15m
Allegiant Air
Deal found 1/26$122
This Trip.com deal was found by Cheapflights users on 1/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/125:30 am
LAS
-
GEG
1 stop5h 57m
Multiple Airlines
Sun 2/159:17 pm
GEG
-
LAS
Nonstop2h 21m
Multiple Airlines
Deal found 1/27$124
This Mytrip deal was found by Cheapflights users on 1/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/1312:45 pm
LAS
-
IDA
Nonstop1h 46m
Allegiant Air
Mon 2/1610:31 pm
IDA
-
LAS
Nonstop1h 48m
Allegiant Air
Deal found 1/25$124
This Southwest deal was found by Cheapflights users on 1/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2010:15 pm
LAS
-
BOI
Nonstop1h 45m
Southwest
Sat 2/2110:55 am
BOI
-
LAS
1 stop7h 10m
Southwest
Deal found 1/27$137
This Delta deal was found by Cheapflights users on 1/26. 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.
Wed 3/184:05 pm
LAS
-
BOI
1 stop4h 59m
Delta
Sun 3/226:15 pm
BOI
-
LAS
1 stop6h 40m
Delta
Deal found 1/26$147
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Thu 2/196:08 pm
LAS
-
GEG
Nonstop2h 24m
Multiple Airlines
Mon 2/237:26 pm
GEG
-
LAS
1 stop4h 28m
Multiple Airlines
Deal found 1/27$149
This CheapOair deal was found by Cheapflights users on 1/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:59 pm
LAS
-
BOI
Nonstop1h 53m
Alaska Airlines
Sun 3/227:20 am
BOI
-
LAS
Nonstop2h 05m
Alaska Airlines
Deal found 1/27$152

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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$88
(Kiwi.com)

One-way from

$48
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$212

Good round-trip deal

$117 or less

Good one-way deal

$112 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. 8% potential increase in price ($19 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 January 2026
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 January 28, 2026.
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 2/12

6:08 pm-8:32 pm

Nonstop2h 24m

Spokane

Sun 2/15

9:17 pm-11:38 pm

Nonstop2h 21m

$88

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 6/5

10:05 am-12:51 pm

Nonstop1h 46m

Idaho Falls Fanning Field

Mon 6/8

7:39 pm-8:22 pm

Nonstop1h 43m

$115

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Thu 2/26

10:15 pm-1:00 am

Nonstop1h 45m

Boise Air Term. Gowen Fld

Sun 3/1

6:00 am-6:55 am

Nonstop1h 55m

$117

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Wed 3/18

4:05 pm-10:04 pm

1 stop4h 59m

Boise Air Term. Gowen Fld

Sun 3/22

6:15 pm-11:55 pm

1 stop6h 40m

$137

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Fri 2/20

10:15 pm-1:00 am

Nonstop1h 45m

Boise Air Term. Gowen Fld

Sat 2/21

10:55 am-5:05 pm

1 stop7h 10m

$137

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Wed 3/25

6:00 am-1:05 pm

1 stop6h 05m

Boise Air Term. Gowen Fld

Mon 3/30

6:15 pm-11:55 pm

1 stop6h 40m

$137

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Thu 2/19

5:30 am-11:27 am

1 stop5h 57m

Spokane

Tue 2/24

7:00 am-2:47 pm

1 stop7h 47m

$156

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Thu 3/5

6:00 am-11:06 am

1 stop5h 06m

Spokane

Sun 3/15

9:21 pm-11:38 pm

Nonstop2h 17m

$158

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Thu 2/19

5:30 am-11:00 am

1 stop4h 30m

Boise Air Term. Gowen Fld

Sun 2/22

6:35 pm-7:20 pm

Nonstop1h 45m

$162

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Mon 3/2

8:50 pm-11:40 pm

Nonstop1h 50m

Boise Air Term. Gowen Fld

Sat 3/7

6:00 am-6:50 am

Nonstop1h 50m

$162

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

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 $97). 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 January 28, 2026.

It’s optimal to fly from Las Vegas to Idaho in the afternoon. By choosing this option you can save up to 37% on the cost of your flight, compared to a flight in the evening.

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 January 24, 2026.

Travelers seeking maximum savings on their Las Vegas to Idaho flight should consider departing on Monday mornings when fares are most often at their lowest. Tuesday evenings 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 January 28, 2026.
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
11,804 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,804 reviews
Alaska Airlines
8.0
Very good
11,804 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,267 reviews
Alaska Airlines
8.0
Very good
11,804 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,830 reviews
Alaska Airlines
8.0
Very good
11,804 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Allegiant Air
7.2
Good
706 reviews
Alaska Airlines
8.0
Very good
11,804 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Spirit Airlines
6.3
Okay
8,388 reviews
Alaska Airlines
8.0
Very good
11,804 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 9 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 45m. Fly via Allegiant Air, Southwest, or Delta to get the fastest option. Airlines will cover a distance of 520 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 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 - Spokane, Las Vegas Harry Reid Intl - Boise Air Term. Gowen Fld 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: Hawaiian Airlines (84%), Alaska Airlines (82%), Southwest( 77%).

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

    The cheapest flight price from Las Vegas to Idaho is $84. On average you can expect to pay $193. The most popular route, (Las Vegas Harry Reid Intl - Spokane), can usually be booked for $108.

  • 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 $97). 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$42Average$94FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$50Average$179FlexibilityNo cancel feeOn-time75%
Allegiant AirCheapest$55Average$133FlexibilityNo cancel feeOn-time88%
Hawaiian AirlinesCheapest$65Average$177FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$142Average$275FlexibilityNo cancel feeOn-time63%
DeltaCheapest$149Average$333FlexibilityNo cancel feeOn-timeN/A

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