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Cheap flights from Las Vegas to Idaho from $44

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 2/12. 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.
Allegiant Air Logo
5:31 pm - 8:08 pm
LAS
-
GEG
2h 37mnonstop
Allegiant Air Logo
8:58 pm - 11:18 pm
GEG
-
LAS
2h 20mnonstop
$78Allegiant Air
Thu, Jan 29 - Sun, Feb 1
Allegiant Air Logo
5:31 pm - 8:08 pm
LAS
-
GEG
2h 37mnonstop
Allegiant Air Logo
8:58 pm - 11:18 pm
GEG
-
LAS
2h 20mnonstop
$90Allegiant Air
Thu, Jan 22 - Thu, Jan 29
Multiple Airlines Logo
3:58 pm - 9:25 pm
LAS
-
GEG
5h 27m1 stop
Multiple Airlines Logo
8:58 pm - 11:18 pm
GEG
-
LAS
2h 20mnonstop
$128Multiple Airlines
Sat, Jan 17 - Sun, Jan 18
Multiple Airlines Logo
7:00 am - 11:38 am
LAS
-
GEG
4h 38m1 stop
Multiple Airlines Logo
8:58 pm - 11:18 pm
GEG
-
LAS
2h 20mnonstop
$131Multiple Airlines
Thu, Jan 29 - Sun, Feb 1
Alaska Airlines Logo
8:50 am - 11:48 am
LAS
-
BOI
1h 58mnonstop
Alaska Airlines Logo
8:58 pm - 9:55 pm
BOI
-
LAS
1h 57mnonstop
$137Alaska Airlines
Thu, Jan 8 - Sun, Jan 11
Alaska Airlines Logo
8:50 am - 11:48 am
LAS
-
BOI
1h 58mnonstop
Alaska Airlines Logo
8:58 pm - 9:55 pm
BOI
-
LAS
1h 57mnonstop
$140Alaska Airlines
Fri, Jan 9 - Sun, Jan 11
Southwest Logo
9:35 am - 12:25 pm
LAS
-
BOI
1h 50mnonstop
Southwest Logo
6:05 am - 7:00 am
BOI
-
LAS
1h 55mnonstop
$147Southwest
Wed, Jan 14 - Wed, Jan 21
Southwest Logo
9:15 am - 2:55 pm
LAS
-
BOI
4h 40m1 stop
Southwest Logo
3:20 pm - 8:15 pm
BOI
-
LAS
5h 55m1 stop
$156Southwest
Wed, Jan 21 - Sun, Jan 25
Delta Logo
7:05 am - 4:17 pm
LAS
-
BOI
8h 12m1 stop
Delta Logo
10:39 am - 4:32 pm
BOI
-
LAS
6h 53m1 stop
$157Delta
Thu, Jan 8 - Mon, Jan 12
Delta Logo
2:09 pm - 9:56 pm
LAS
-
BOI
6h 47m1 stop
Delta Logo
5:40 am - 9:56 am
BOI
-
LAS
5h 16m1 stop
$185Delta
Fri, Feb 13 - Mon, Feb 16

Alaska Airlines flights from Las Vegas to Idaho

Our best Alaska Airlines deals on Las Vegas to Idaho flight tickets
Alaska Airlines
Jan 8
LAS8:50 amLas Vegas Harry Reid Intl
1h 58m
BOI11:48 amBoise Air Term. Gowen Fld
Jan 12
BOI8:58 pmBoise Air Term. Gowen Fld
1h 57m
LAS9:55 pmLas Vegas Harry Reid Intl
$137
Find similar
Alaska Airlines
Jan 9
LAS8:50 amLas Vegas Harry Reid Intl
1h 58m
BOI11:48 amBoise Air Term. Gowen Fld
Jan 11
BOI8:58 pmBoise Air Term. Gowen Fld
1h 57m
LAS9:55 pmLas Vegas Harry Reid Intl
$140
Find similar
Alaska Airlines
Jan 17
LAS1:43 pmLas Vegas Harry Reid Intl
7h 42m
1 stop
GEG9:25 pmSpokane
Jan 18
GEG5:00 amSpokane
4h 13m
1 stop
LAS9:13 amLas Vegas Harry Reid Intl
$152
Find similar

Frontier flights from Las Vegas to Idaho

Our best Frontier deals on Las Vegas to Idaho flight tickets
Frontier
Jan 8
LAS12:59 amLas Vegas Harry Reid Intl
9h 18m
1 stop
BOI11:17 amBoise Air Term. Gowen Fld
Jan 12
BOI12:07 pmBoise Air Term. Gowen Fld
8h 04m
1 stop
LAS7:11 pmLas Vegas Harry Reid Intl
$197
Find similar
Frontier
Dec 26
LAS12:59 amLas Vegas Harry Reid Intl
10h 08m
1 stop
GEG11:07 amSpokane
Jan 3
GEG12:02 pmSpokane
11h 40m
1 stop
LAS11:42 pmLas Vegas Harry Reid Intl
$233
Find similar
Frontier
Dec 20
LAS12:59 amLas Vegas Harry Reid Intl
10h 08m
1 stop
GEG11:07 amSpokane
Dec 23
GEG4:48 pmSpokane
5h 51m
1 stop
LAS10:39 pmLas Vegas Harry Reid Intl
$247
Find similar

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 December 18, 2025.
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 VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Thu 1/29

5:31 pm-8:08 pm

Nonstop2h 37m

Spokane

Sun 2/1

8:58 pm-11:18 pm

Nonstop2h 20m

$78

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Thu 1/22

5:31 pm-8:08 pm

Nonstop2h 37m

Spokane

Thu 1/29

8:58 pm-11:18 pm

Nonstop2h 20m

$90

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Sat 1/17

3:58 pm-9:25 pm

1 stop5h 27m

Spokane

Sun 1/18

8:58 pm-11:18 pm

Nonstop2h 20m

$128

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Thu 1/29

7:00 am-11:38 am

1 stop4h 38m

Spokane

Sun 2/1

8:58 pm-11:18 pm

Nonstop2h 20m

$131

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Thu 1/8

8:50 am-11:48 am

Nonstop1h 58m

Boise Air Term. Gowen Fld

Sun 1/11

8:58 pm-9:55 pm

Nonstop1h 57m

$137

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Fri 1/9

8:50 am-11:48 am

Nonstop1h 58m

Boise Air Term. Gowen Fld

Sun 1/11

8:58 pm-9:55 pm

Nonstop1h 57m

$140

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Wed 1/14

9:35 am-12:25 pm

Nonstop1h 50m

Boise Air Term. Gowen Fld

Wed 1/21

6:05 am-7:00 am

Nonstop1h 55m

$147

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Wed 1/21

9:15 am-2:55 pm

1 stop4h 40m

Boise Air Term. Gowen Fld

Sun 1/25

3:20 pm-8:15 pm

1 stop5h 55m

$156

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Thu 1/8

7:05 am-4:17 pm

1 stop8h 12m

Boise Air Term. Gowen Fld

Mon 1/12

10:39 am-4:32 pm

1 stop6h 53m

$157

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Fri 2/13

2:09 pm-9:56 pm

1 stop6h 47m

Boise Air Term. Gowen Fld

Mon 2/16

5:40 am-9:56 am

1 stop5h 16m

$185

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, March 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 $111. If you don’t want to visit Idaho in March, then you should wait until September to fly from Las Vegas, when ticket prices are also cheap, with an average price of $137.

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 $146. 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 $296.

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 $129. 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 $213 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 $188 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

$103

Fastest flight time

1h 40m

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 $103. The best round-trip flight deal from Las Vegas to Idaho found on momondo in the last 72 hours is $100.
The fastest flight from Las Vegas to Idaho takes 1h 40m
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).
Search flight deals

  • 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
Alaska AirlinesPriceFrom $50Free CancellationRating
8.0
11,479 reviews
Search Alaska Airlines flights
Spirit AirlinesPriceFrom $56Free CancellationRating
6.3
8,189 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $68Free CancellationRating
7.8
2,820 reviews
Search Hawaiian Airlines flights
Allegiant AirPriceFrom $76Free CancellationRating
7.2
700 reviews
Search Allegiant Air flights
SouthwestPriceFrom $137Free CancellationRating
7.9
4,252 reviews
Search Southwest flights
DeltaPriceFrom $149Free CancellationRating
7.9
8,008 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.

An easier way to manage your Idaho trip

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