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Idaho

$35+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — BOI
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$72
(Cheapflightsfares)

One-way from

$35
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$143

Good round-trip deal

$68 or less

Good one-way deal

$58 or less
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. 17% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 10/210:26 amLAS - BOI
Nonstop1h 55mSpirit Airlines
Fri 10/39:26 pmBOI - LAS
Nonstop1h 57mSpirit Airlines
Deal found 9/10$72
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 10/165:55 pmLAS - GEG
Nonstop2h 23mAllegiant Air
Sun 10/199:08 pmGEG - LAS
Nonstop2h 14mAllegiant Air
Deal found 9/10$76
This Southwest deal was found by Cheapflights users on 9/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/227:20 pmLAS - BOI
Nonstop1h 50mSouthwest
Tue 10/286:20 amBOI - LAS
Nonstop1h 45mSouthwest
Deal found 9/11$84
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 10/165:55 pmLAS - GEG
Nonstop2h 23mAllegiant Air
Thu 10/239:08 pmGEG - LAS
Nonstop2h 14mAllegiant Air
Deal found 9/9$90
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 10/31:25 pmLAS - IDA
Nonstop1h 49mAllegiant Air
Mon 10/67:40 pmIDA - LAS
Nonstop1h 43mAllegiant Air
Deal found 9/10$92
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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.
Sat 9/2710:26 amLAS - BOI
Nonstop1h 55mSpirit Airlines
Sat 10/42:16 pmBOI - LAS
Nonstop1h 51mSpirit Airlines
Deal found 9/9$97
This Orbitz deal was found by Cheapflights users on 9/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:26 amLAS - BOI
Nonstop1h 55mMultiple Airlines
Tue 10/78:02 amBOI - LAS
Nonstop2h 01mMultiple Airlines
Deal found 9/10$105
This Southwest deal was found by Cheapflights users on 9/8. 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.
Wed 10/87:20 pmLAS - BOI
Nonstop1h 50mSouthwest
Wed 10/157:20 pmBOI - LAS
Nonstop1h 45mSouthwest
Deal found 9/8$111
This Southwest deal was found by Cheapflights users on 9/9. 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.
Wed 10/110:05 amLAS - BOI
1 stop4h 05mSouthwest
Tue 10/77:20 pmBOI - LAS
Nonstop1h 45mSouthwest
Deal found 9/9$114
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/255:56 pmLAS - GEG
Nonstop2h 20mAllegiant Air
Thu 10/29:08 pmGEG - LAS
Nonstop2h 14mAllegiant Air
Deal found 9/11$115
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/112:59 amLAS - BOI
1 stop9h 38mMultiple Airlines
Sat 10/42:16 pmBOI - LAS
Nonstop1h 51mMultiple Airlines
Deal found 9/10$116
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1512:00 pmLAS - IDA
Nonstop1h 49mAllegiant Air
Mon 9/229:39 pmIDA - LAS
Nonstop1h 44mAllegiant Air
Deal found 9/11$120

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 September 11, 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

Thu 10/2

10:26 am-1:21 pm

Nonstop1h 55m

Boise Air Term. Gowen Fld

Sat 10/4

2:16 pm-3:07 pm

Nonstop1h 51m

$72

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Thu 10/16

5:55 pm-8:18 pm

Nonstop2h 23m

Spokane

Sun 10/19

9:08 pm-11:22 pm

Nonstop2h 14m

$104

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Wed 10/8

7:20 pm-10:10 pm

Nonstop1h 50m

Boise Air Term. Gowen Fld

Wed 10/15

7:20 pm-8:05 pm

Nonstop1h 45m

$111

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Mon 9/15

12:00 pm-2:49 pm

Nonstop1h 49m

Idaho Falls Fanning Field

Mon 9/22

9:39 pm-10:23 pm

Nonstop1h 44m

$120

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Mon 10/20

10:00 am-12:49 pm

Nonstop1h 49m

Idaho Falls Fanning Field

Mon 10/20

7:40 pm-8:23 pm

Nonstop1h 43m

$125

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Wed 10/1

6:00 am-12:10 pm

1 stop5h 10m

Boise Air Term. Gowen Fld

Mon 10/6

8:15 pm-9:05 pm

Nonstop1h 50m

$132

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Thu 10/16

4:49 pm-10:41 pm

1 stop5h 52m

Spokane

Sun 10/19

9:08 pm-11:22 pm

Nonstop2h 14m

$143

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Wed 11/26

11:37 am-2:29 pm

Nonstop1h 52m

Boise Air Term. Gowen Fld

Sun 11/30

9:22 pm-10:10 pm

Nonstop1h 48m

$143

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Tue 10/7

8:14 pm-11:15 pm

Nonstop2h 01m

Boise Air Term. Gowen Fld

Tue 10/14

8:02 am-9:03 am

Nonstop2h 01m

$147

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Fri 10/17

6:00 am-10:36 am

1 stop4h 36m

Spokane

Wed 10/22

7:05 pm-11:30 pm

1 stop4h 25m

$152

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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, 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 September 11, 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 September 11, 2025.

The most flights from LAS to USID are scheduled on a Thursday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 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 September 11, 2025.
Read through reviews of airlines operating flights from Las Vegas to Idaho, such as Southwest, Delta, and Hawaiian Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Hawaiian Airlines
7.8
Good
2,723 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Allegiant Air
7.2
Good
702 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,023 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • 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 50m. Fly via Spirit Airlines, Allegiant Air, or Southwest 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 Southwest. According to our data, you can fly for as low as $42. Users have also found prices from $62 and $69 on Allegiant Air and Delta, 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: SkyWest Airlines (89%), Alaska Airlines (89%), Hawaiian Airlines( 89%).

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

    The cheapest flight price from Las Vegas to Idaho is $34. On average you can expect to pay $155. The most popular route, (Las Vegas Harry Reid Intl - Boise Air Term. Gowen Fld), can usually be booked for $72.

  • 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

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$45Average$97FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$68Average$167FlexibilityNo cancel feeOn-time85%
Allegiant AirCheapest$85Average$125FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$137Average$206FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$138Average$276FlexibilityNo cancel feeOn-time63%
DeltaCheapest$149Average$377FlexibilityNo cancel feeOn-timeN/A

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