Cheap flights from Las Vegas to Idaho from $51

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Idaho departing on 2/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Las Vegas to Idaho

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:59 pm - 10:52 pm
LAS
-
BOI
1h 53mnonstop
Alaska Airlines Logo
7:20 am - 8:25 am
BOI
-
LAS
2h 05mnonstop
$117Alaska Airlines
Wed, Apr 15 - Mon, Apr 20
Allegiant Air Logo
6:07 pm - 8:31 pm
LAS
-
GEG
2h 24mnonstop
Allegiant Air Logo
9:21 pm - 11:38 pm
GEG
-
LAS
2h 17mnonstop
$119Allegiant Air
Thu, Mar 12 - Sun, Mar 15
Allegiant Air Logo
6:03 pm - 8:29 pm
LAS
-
GEG
2h 26mnonstop
Allegiant Air Logo
9:19 pm - 11:35 pm
GEG
-
LAS
2h 16mnonstop
$121Allegiant Air
Thu, Apr 16 - Sun, Apr 19
Allegiant Air Logo
6:07 pm - 8:31 pm
LAS
-
GEG
2h 24mnonstop
Allegiant Air Logo
9:21 pm - 11:38 pm
GEG
-
LAS
2h 17mnonstop
$123Allegiant Air
Thu, Mar 19 - Sun, Mar 22
Delta Logo
6:00 am - 1:11 pm
LAS
-
BOI
6h 11m
1 stop
Delta Logo
4:55 pm - 8:59 pm
BOI
-
LAS
5h 04m
1 stop
$137Delta
Thu, Apr 16 - Tue, Apr 21
Delta Logo
6:00 am - 1:11 pm
LAS
-
BOI
6h 11m
1 stop
Delta Logo
5:40 am - 9:57 am
BOI
-
LAS
5h 17m
1 stop
$147Delta
Sat, Apr 18 - Wed, Apr 22
Southwest Logo
10:00 pm - 12:45 am
LAS
-
BOI
1h 45mnonstop
Southwest Logo
5:40 pm - 6:25 pm
BOI
-
LAS
1h 45mnonstop
$152Southwest
Fri, Apr 24 - Mon, Apr 27
Alaska Airlines Logo
7:29 pm - 10:34 pm
LAS
-
BOI
2h 05mnonstop
Alaska Airlines Logo
3:47 pm - 10:56 pm
BOI
-
LAS
8h 09m
1 stop
$157Alaska Airlines
Fri, Feb 27 - Mon, Mar 2
Southwest Logo
10:35 pm - 1:20 am
LAS
-
BOI
1h 45mnonstop
Southwest Logo
6:35 pm - 12:05 am
BOI
-
LAS
6h 30m
1 stop
$172Southwest
Thu, Mar 5 - Sun, Mar 8
American Airlines Logo
5:44 am - 2:26 pm
LAS
-
JAC
7h 42m
1 stop
American Airlines Logo
3:06 pm - 12:03 am
JAC
-
LAS
9h 57m
1 stop
$309American Airlines
Fri, Mar 27 - Mon, Mar 30

United Airlines flights from Las Vegas to Idaho

Our best United Airlines deals on Las Vegas to Idaho flight tickets
United Airlines
Feb 21
LAS6:00 amLas Vegas Harry Reid Intl
4h 17m
1 stop
BOI11:17 amBoise Air Term. Gowen Fld
Feb 23
BOI1:44 pmBoise Air Term. Gowen Fld
5h 49m
1 stop
LAS6:33 pmLas Vegas Harry Reid Intl
$267
United Airlines
Feb 5
LAS3:33 pmLas Vegas Harry Reid Intl
5h 49m
1 stop
GEG9:22 pmSpokane
Feb 7
GEG5:00 amSpokane
7h 54m
1 stop
LAS12:54 pmLas Vegas Harry Reid Intl
$310
United Airlines
Feb 17
LAS1:10 pmLas Vegas Harry Reid Intl
6h 49m
1 stop
JAC8:59 pmJackson Hole
Feb 21
JAC4:18 pmJackson Hole
5h 13m
1 stop
LAS8:31 pmLas Vegas Harry Reid Intl
$389

Southwest flights from Las Vegas to Idaho

Our best Southwest deals on Las Vegas to Idaho flight tickets
Southwest
Apr 24
LAS10:00 pmLas Vegas Harry Reid Intl
1h 45m
BOI12:45 amBoise Air Term. Gowen Fld
Apr 27
BOI5:40 pmBoise Air Term. Gowen Fld
1h 45m
LAS6:25 pmLas Vegas Harry Reid Intl
$152
Southwest
Mar 6
LAS10:35 pmLas Vegas Harry Reid Intl
1h 45m
BOI1:20 amBoise Air Term. Gowen Fld
Mar 8
BOI6:20 amBoise Air Term. Gowen Fld
5h 25m
2 stops
LAS10:45 amLas Vegas Harry Reid Intl
$202
Southwest
Feb 21
LAS9:15 amLas Vegas Harry Reid Intl
1h 50m
BOI12:05 pmBoise Air Term. Gowen Fld
Feb 23
BOI7:05 pmBoise Air Term. Gowen Fld
1h 45m
LAS7:50 pmLas Vegas Harry Reid Intl
$212

momondo 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, momondo users made 832,500 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from Las Vegas to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Wed 4/15

7:59 pm-10:52 pm

Nonstop1h 53m

Boise Air Term. Gowen Fld

Mon 4/20

7:20 am-8:25 am

Nonstop2h 05m

$117

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Thu 3/12

6:07 pm-8:31 pm

Nonstop2h 24m

Spokane

Sun 3/15

9:21 pm-11:38 pm

Nonstop2h 17m

$119

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Thu 4/16

6:03 pm-8:29 pm

Nonstop2h 26m

Spokane

Sun 4/19

9:19 pm-11:35 pm

Nonstop2h 16m

$121

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Thu 3/19

6:07 pm-8:31 pm

Nonstop2h 24m

Spokane

Sun 3/22

9:21 pm-11:38 pm

Nonstop2h 17m

$123

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Thu 4/16

6:00 am-1:11 pm

1 stop6h 11m

Boise Air Term. Gowen Fld

Tue 4/21

4:55 pm-8:59 pm

1 stop5h 04m

$137

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Sat 4/18

6:00 am-1:11 pm

1 stop6h 11m

Boise Air Term. Gowen Fld

Wed 4/22

5:40 am-9:57 am

1 stop5h 17m

$147

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Fri 4/24

10:00 pm-12:45 am

Nonstop1h 45m

Boise Air Term. Gowen Fld

Mon 4/27

5:40 pm-6:25 pm

Nonstop1h 45m

$152

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Fri 2/27

7:29 pm-10:34 pm

Nonstop2h 05m

Boise Air Term. Gowen Fld

Mon 3/2

3:47 pm-10:56 pm

1 stop8h 09m

$157

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Thu 3/5

10:35 pm-1:20 am

Nonstop1h 45m

Boise Air Term. Gowen Fld

Sun 3/8

6:35 pm-12:05 am

1 stop6h 30m

$172

Las VegasJackson

LAS - JAC

LASJAC

Las Vegas Harry Reid Intl

Fri 3/27

5:44 am-2:26 pm

1 stop7h 42m

Jackson Hole

Mon 3/30

3:06 pm-12:03 am

1 stop9h 57m

$309

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho from

How to get the cheapest flight ticket from Las Vegas to Idaho

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Idaho?

In general, September is the cheapest month to fly from Las Vegas to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $137. If you don’t want to visit Idaho in September, then you should wait until March to fly from Las Vegas, when ticket prices are also cheap, with an average price of $153.

What is the cheapest day to depart on your flight to Idaho?

Our data shows that Friday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $156. On the other hand, Tuesday is the most expensive day to depart from Las Vegas because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $288.

What is the cheapest time of day to depart on your flight to Idaho?

According to our data, the cheapest time of day to fly to Idaho is in the afternoon. momondo users have found flights departing from Las Vegas to Idaho in the afternoon for as low as $134. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Idaho, so prices are often more expensive at around $244 per ticket.

What is the cheapest Las Vegas Harry Reid Intl to Idaho flight route?

Fly from Las Vegas Harry Reid Intl to Boise Air Term. Gowen Fld for the best Las Vegas Harry Reid Intl - Idaho flight prices

How far in advance should I book a flight to Idaho?

You are more likely to see cheaper flights to Idaho from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $196 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Las Vegas for as low as $138 on momondo.

What cabin class options are available on Las Vegas Harry Reid Intl to Idaho flights?

There are 3 cabin classes available to choose from on Las Vegas Harry Reid Intl to Idaho flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Las Vegas to Idaho flights?

No. A direct flight is the cheapest option for a flight between Las Vegas to Idaho.

Cheap Las Vegas to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Idaho

Best Price Found

$86

Fastest flight time

1h 45m

Direct flights

Every day

Airports in Idaho

27 airports
The best one-way flight to Idaho from Las Vegas in the past 72 hours is $86. The best round-trip flight deal from Las Vegas to Idaho found on momondo in the last 72 hours is $117.
The fastest flight from Las Vegas to Idaho takes 1h 45m
Direct flights go from Las Vegas to Idaho every day.
There are 27 airports in Idaho. From Las Vegas there are direct flights to Idaho Falls Fanning Field (IDA), Boise Air Term. Gowen Fld (BOI).
  • When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Idaho?

    Prices for flights from Las Vegas Harry Reid Intl Airport to Idaho are refreshed on a daily basis.

  • How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Idaho?

  • How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Idaho?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to Idaho.

  • What documentation or ID do you need to fly to Idaho?

    The travel and health documents you'll need for your trip to Idaho may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Las Vegas to Idaho?

Best airlines flying from Las Vegas to Idaho

Compare and see reviews for airlines that fly from Las Vegas to Idaho with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $42Free CancellationRating
6.3
8,411 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $50Free CancellationRating
8.0
11,836 reviews
Search Alaska Airlines flights
Allegiant AirPriceFrom $55Free CancellationRating
7.2
709 reviews
Search Allegiant Air flights
Hawaiian AirlinesPriceFrom $65Free CancellationRating
7.8
2,831 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $142Free CancellationRating
8.0
4,273 reviews
Search Southwest flights
DeltaPriceFrom $149Free CancellationRating
7.9
8,142 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to Idaho?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Las Vegas to Idaho. momondo saves you time and could save you money on your trip.

Can I find flights from Las Vegas to Idaho with flexible booking policies on momondo?

Flights from Las Vegas to Idaho with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Las Vegas to Idaho?

momondo provides multiple filters to help you find the best flight to Idaho from Las Vegas. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Las Vegas to Idaho right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Las Vegas to Idaho flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Fri 3/6
Fri 3/13

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Popular flights according to clicks in the last 7 days on momondo