Cheap flights from Idaho to Las Vegas from $36
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Las Vegas departing on 1/7. 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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Fly from
Fly to
Route
Depart
Return
Idaho FallsLas Vegas
IDA Idaho Falls Fanning Field - LAS Las Vegas Harry Reid Intl
IDALAS
Idaho Falls Fanning Field
Mon 11/9
7:47 pm-8:32 pm
Nonstop1h 45m
Las Vegas Harry Reid Intl
Fri 11/13
10:41 am-1:30 pm
Nonstop1h 49m
Idaho FallsLas Vegas
IDA Idaho Falls Fanning Field - LAS Las Vegas Harry Reid Intl
IDALAS
Idaho Falls Fanning Field
Mon 11/9
7:47 pm-8:32 pm
Nonstop1h 45m
Las Vegas Harry Reid Intl
Fri 11/13
10:41 am-1:30 pm
Nonstop1h 49m
Twin FallsLas Vegas
TWF Twin Falls Joslin - LAS Las Vegas Harry Reid Intl
TWFLAS
Twin Falls Joslin
Fri 11/20
1:45 pm-2:20 pm
Nonstop1h 35m
Las Vegas Harry Reid Intl
Mon 11/23
9:25 am-12:00 pm
Nonstop1h 35m
Twin FallsLas Vegas
TWF Twin Falls Joslin - LAS Las Vegas Harry Reid Intl
TWFLAS
Twin Falls Joslin
Mon 11/9
1:45 pm-2:20 pm
Nonstop1h 35m
Las Vegas Harry Reid Intl
Fri 11/13
9:25 am-12:00 pm
Nonstop1h 35m
BoiseLas Vegas
BOI Boise Air Term. Gowen Fld - LAS Las Vegas Harry Reid Intl
BOILAS
Boise Air Term. Gowen Fld
Sun 12/20
6:56 pm-7:47 pm
Nonstop1h 51m
Las Vegas Harry Reid Intl
Thu 12/31
3:05 pm-6:01 pm
Nonstop1h 56m
BoiseLas Vegas
BOI Boise Air Term. Gowen Fld - LAS Las Vegas Harry Reid Intl
BOILAS
Boise Air Term. Gowen Fld
Thu 1/14
7:53 pm-8:44 pm
Nonstop1h 51m
Las Vegas Harry Reid Intl
Mon 1/18
4:02 pm-6:58 pm
Nonstop1h 56m
BoiseLas Vegas
BOI Boise Air Term. Gowen Fld - LAS Las Vegas Harry Reid Intl
BOILAS
Boise Air Term. Gowen Fld
Wed 11/4
10:41 am-11:34 am
Nonstop1h 53m
Las Vegas Harry Reid Intl
Thu 11/12
11:00 am-1:54 pm
Nonstop1h 54m
BoiseLas Vegas
BOI Boise Air Term. Gowen Fld - LAS Las Vegas Harry Reid Intl
BOILAS
Boise Air Term. Gowen Fld
Sun 12/20
6:56 pm-7:47 pm
Nonstop1h 51m
Las Vegas Harry Reid Intl
Wed 1/6
5:58 pm-8:50 pm
Nonstop1h 52m
BoiseLas Vegas
BOI Boise Air Term. Gowen Fld - LAS Las Vegas Harry Reid Intl
BOILAS
Boise Air Term. Gowen Fld
Sat 11/7
10:41 am-11:34 am
Nonstop1h 53m
Las Vegas Harry Reid Intl
Sat 11/14
12:32 pm-3:28 pm
Nonstop1h 56m
BoiseLas Vegas
BOI Boise Air Term. Gowen Fld - LAS Las Vegas Harry Reid Intl
BOILAS
Boise Air Term. Gowen Fld
Tue 12/1
10:36 am-11:30 am
Nonstop1h 54m
Las Vegas Harry Reid Intl
Wed 12/9
12:26 pm-3:24 pm
Nonstop1h 58m
See travel insights to Las Vegas from
How to get the cheapest flight ticket from Idaho to Las Vegas
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 Las Vegas?
The month of August is, on average, the cheapest month to fly to Las Vegas from Idaho, with most prices found around $205. The month of January is another great option to travel to Las Vegas, with average flight prices from Idaho averaging around $220.
What is the cheapest day to depart on your flight to Las Vegas?
Our data shows that Monday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $294. Flights from Idaho to Las Vegas on a Thursday will generally be more expensive and average around $380. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Las Vegas?
The cheapest time of day to fly to Las Vegas is in the evening when flights can be purchased for as low as $287. Flights to Las Vegas are more costly in the morning, with an average ticket price of $394. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Idaho to Las Vegas Harry Reid Intl flight route?
Fly from Idaho Falls Fanning Field to Las Vegas Harry Reid Intl for the best Idaho - Las Vegas Harry Reid Intl flight prices
How far in advance should I book a flight from Idaho to Las Vegas?
You are more likely to see cheaper flights to Las Vegas from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $294 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Idaho for as low as $227 on momondo.
What cabin class options are available on Idaho to Las Vegas flights?
There are 4 cabin classes available to choose from on Idaho to Las Vegas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Idaho to Las Vegas Harry Reid Intl?
Allegiant Air, Delta, and Alaska Airlines are the most popular carriers operating from Idaho to Las Vegas Harry Reid Intl
What airlines fly to Las Vegas?
Southwest, Allegiant Air and Alaska Airlines are the top three most popular airlines that fly to Las Vegas from Idaho according to our data. Southwest is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 9 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.
How many flights depart from Idaho to Las Vegas on average per day?
As of October 2026, there are 4 flights per day flying from Idaho to Las Vegas. The most common time of day flights depart is 2:00PM, with 65% of flights taking off in the afternoon.
How many flights depart from Idaho to Las Vegas on average per week?
29 flights are operational weekly from Idaho to Las Vegas as of October 2026. The most popular departure day for this route is Sun, with 28% of flights per week taking off on this day.
Cheap Idaho to Las Vegas flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Idaho to Las Vegas
Frequently asked questions about flying from Idaho to Las Vegas
When did momondo last update prices for flights from Idaho to Las Vegas Harry Reid Intl Airport?
Prices for flights from Idaho to Las Vegas Harry Reid Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Idaho to Las Vegas Harry Reid Intl Airport?
As of October 2026, there are 9 operators available to choose from for flights from Idaho to Las Vegas Harry Reid Intl Airport.
How old do you have to be to fly from Idaho to Las Vegas Harry Reid Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Idaho to Las Vegas Harry Reid Intl Airport.
What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?
The required travel and health documents for your Las Vegas Harry Reid Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Idaho to Las Vegas?
Based on momondo bookings for flights between Idaho and Las Vegas, the leading plane model is Boeing 737 MAX 8, making up 23.49% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 17.77%, Airbus A321neo with 13.15%, and Airbus A319 with 6.93%.
Best airlines flying from Idaho to Las Vegas
Compare and see reviews for airlines that fly from Idaho to Las Vegas with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $68 | Free Cancellation | Rating 7.8 8,653 reviews | |||
| PriceFrom $78 | Free Cancellation | Rating 5.5 2,542 reviews | |||
| PriceFrom $78 | Free Cancellation | Rating 7.3 678 reviews | |||
| PriceFrom $83 | Free Cancellation | Rating 8.2 326 reviews | |||
| PriceFrom $117 | Free Cancellation | Rating 7.9 13,052 reviews | |||
| PriceFrom $160 | Free Cancellation | Rating 7.9 4,218 reviews | |||
| PriceFrom $187 | Free Cancellation | Rating 7.4 10,350 reviews | |||
| PriceFrom $191 | Free Cancellation | Rating 7.1 3,046 reviews | |||
| PriceFrom $279 | Free Cancellation | Rating 7.0 12,154 reviews |
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Why should I use momondo to find a flight deal from Idaho to Las Vegas?
It is quick and easy to find Idaho to Las Vegas flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Las Vegas that suits you.
Can I find flights from Idaho to Las Vegas with flexible booking policies on momondo?
All flight searches from Idaho to Las Vegas on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Idaho to Las Vegas?
Once all potential Idaho to Las Vegas flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Idaho to Las Vegas right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Idaho to Las Vegas flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.