Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Idaho Falls to Las Vegas from $66

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 Falls to Las Vegas departing on 3/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Idaho Falls to Las Vegas

Cheap round-trip flights

These are some of the best round-trip flight deals from Idaho Falls to Las Vegas that have been recently found on momondo from popular airlines, departing in the coming months.
9:34 pm - 10:17 pmIDA-LAS
1h 43mnonstop
11:50 am - 2:42 pmLAS-IDA
1h 52mnonstop
$92Allegiant Air
Find Deal
Mon, May 5 - Fri, May 9
9:32 pm - 10:19 pmIDA-LAS
1h 47mnonstop
11:49 am - 2:38 pmLAS-IDA
1h 49mnonstop
$96Allegiant Air
Find Deal
Mon, Mar 3 - Fri, Mar 14
4:07 pm - 10:45 pmIDA-LAS
7h 38m1 stop
7:50 am - 3:30 pmLAS-IDA
6h 40m1 stop
$276Hawaiian Airlines
Find Deal
Sat, Mar 15 - Tue, Mar 18
6:55 pm - 11:43 pmIDA-LAS
5h 48m1 stop
6:00 am - 12:18 pmLAS-IDA
5h 18m1 stop
$277Delta
Find Deal
Sun, Mar 16 - Tue, Apr 1
5:48 pm - 10:02 pmIDA-LAS
5h 14m1 stop
6:00 am - 1:27 pmLAS-IDA
6h 27m1 stop
$278United Airlines
Find Deal
Thu, Mar 13 - Sat, Mar 15
4:07 pm - 10:45 pmIDA-LAS
7h 38m1 stop
4:16 pm - 3:34 pmLAS-IDA
22h 18m2 stops
$295Alaska Airlines
Find Deal
Sat, Mar 15 - Tue, Mar 18
6:00 am - 11:06 amIDA-LAS
6h 06m1 stop
9:04 pm - 3:58 pmLAS-IDA
17h 54m1 stop
$303Alaska Airlines
Find Deal
Mon, May 5 - Fri, May 9
6:55 pm - 11:25 pmIDA-LAS
5h 30m1 stop
5:25 pm - 10:56 pmLAS-IDA
4h 31m1 stop
$308Delta
Find Deal
Fri, May 2 - Mon, May 5
5:48 pm - 10:02 pmIDA-LAS
5h 14m1 stop
10:39 am - 9:06 pmLAS-IDA
9h 27m2 stops
$334United Airlines
Find Deal
Thu, Mar 13 - Sat, Mar 15
4:07 pm - 9:24 pmIDA-LAS
6h 17m1 stop
7:50 am - 3:30 pmLAS-IDA
6h 40m1 stop
$524Hawaiian Airlines
Find Deal
Fri, Mar 7 - Mon, Mar 10

Allegiant Air flights from Idaho Falls to Las Vegas

Our best Allegiant Air deals on Idaho Falls to Las Vegas flight tickets
Allegiant Air
May 5
IDA9:34 pmIdaho Falls Fanning Field
1h 43m
LAS10:17 pmLas Vegas Harry Reid Intl
May 9
LAS11:50 amLas Vegas Harry Reid Intl
1h 52m
IDA2:42 pmIdaho Falls Fanning Field
Allegiant Air
Mar 3
IDA9:32 pmIdaho Falls Fanning Field
1h 47m
LAS10:19 pmLas Vegas Harry Reid Intl
Mar 14
LAS11:49 amLas Vegas Harry Reid Intl
1h 49m
IDA2:38 pmIdaho Falls Fanning Field
Allegiant Air
Apr 7
IDA9:29 pmIdaho Falls Fanning Field
1h 43m
LAS10:12 pmLas Vegas Harry Reid Intl
Apr 11
LAS11:50 amLas Vegas Harry Reid Intl
1h 52m
IDA2:42 pmIdaho Falls Fanning Field

Hawaiian Airlines flights from Idaho Falls to Las Vegas

Our best Hawaiian Airlines deals on Idaho Falls to Las Vegas flight tickets
Hawaiian Airlines
Mar 15
IDA4:07 pmIdaho Falls Fanning Field
7h 38m
1 stop
LAS10:45 pmLas Vegas Harry Reid Intl
Mar 18
LAS7:50 amLas Vegas Harry Reid Intl
6h 40m
1 stop
IDA3:30 pmIdaho Falls Fanning Field
Hawaiian Airlines
Mar 7
IDA4:07 pmIdaho Falls Fanning Field
6h 17m
1 stop
LAS9:24 pmLas Vegas Harry Reid Intl
Mar 10
LAS7:50 amLas Vegas Harry Reid Intl
6h 40m
1 stop
IDA3:30 pmIdaho Falls Fanning Field
Hawaiian Airlines
Feb 28
IDA4:07 pmIdaho Falls Fanning Field
7h 33m
1 stop
LAS10:40 pmLas Vegas Harry Reid Intl
Mar 5
LAS2:12 pmLas Vegas Harry Reid Intl
7h 24m
1 stop
IDA10:36 pmIdaho Falls Fanning Field

See travel insights to Las Vegas from

How to get the cheapest flight ticket from Idaho Falls 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 typical price of a round-trip flight between Idaho Falls and Las Vegas?

What is the cheapest month to fly to Las Vegas?

The month of July is, on average, the cheapest month to fly to Las Vegas from Idaho Falls, with most prices found around $108. The month of August is another great option to travel to Las Vegas, with average flight prices from Idaho Falls averaging around $140.

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 $125. Flights from Idaho Falls to Las Vegas on a Tuesday will generally be more expensive and average around $471. 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 $154. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $169. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

Fly from Idaho Falls Fanning Field to Las Vegas Harry Reid Intl for the best Idaho Falls Fanning Field - Las Vegas Harry Reid Intl flight prices

How far in advance should I book a flight to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from Idaho Falls when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $202 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Idaho Falls for as low as $129 on momondo.

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

There are 1 cabin classes available to choose from on Idaho Falls Fanning Field to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Idaho Falls to Las Vegas flight prices changed over time?

As of February 2025, prices for Idaho Falls to Las Vegas flights are approximately 191% more expensive when compared to flights at the same time last year.

When to book flights from Idaho Falls to Las Vegas

Are you open to changing your travel dates? Check out the ideal times to fly from Idaho Falls to Las Vegas according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Idaho Falls to Las Vegas (IDA to LAS) flight deals and tips

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

Best Price Found

$66

Fastest flight time

1h 42m

Direct flights

Tue and Sat

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from Idaho Falls in the past 72 hours is $66. The best round-trip flight deal from Idaho Falls to Las Vegas found on momondo in the last 72 hours is $92.
The fastest flight from Idaho Falls to Las Vegas takes 1h 42m
Direct flights go from Idaho Falls to Las Vegas on Tuesday and Saturday. The only airline offering direct flights is Allegiant Air.
There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)

  • How far is Idaho Falls Fanning Field to Las Vegas Harry Reid Intl by plane?

    A flight from Idaho Falls Fanning Field to Las Vegas Harry Reid Intl will travel around 529.6 mi. By plane, this route typically takes 1h 42m.

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Las Vegas Harry Reid Intl Airport?

    Prices for flights from Idaho Falls Fanning Field Airport to Las Vegas Harry Reid Intl Airport are updated daily.

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

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport 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 Falls Fanning Field Airport to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The necessary travel and health documents for your Las Vegas Harry Reid Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

  • What is the most popular airline from Idaho Falls to Las Vegas?


Best airlines flying from Idaho Falls to Las Vegas

Compare and see reviews for airlines that fly from Idaho Falls to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $88Free CancellationRating
7.3
765 reviews
Search Allegiant Air flights
DeltaPriceFrom $221Free CancellationRating
8.0
8,220 reviews
Search Delta flights
Alaska AirlinesPriceFrom $267Free CancellationRating
8.0
9,692 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $284Free CancellationRating
7.4
8,766 reviews
Search United Airlines flights

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Henderson
Mesquite
North Las Vegas
Kingman
Pahrump
Paradise
Primm
Furnace Creek
Boulder City
Sunrise Manor
Winchester
Needles

Why use momondo?

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

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

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

All flight searches from Idaho Falls 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 Falls to Las Vegas?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Idaho Falls to Las Vegas.

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

Yes momondo offers price alerts on flights to Las Vegas from Idaho Falls. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


An easier way to manage your Las Vegas trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 2/25
Tue 3/4

Find better results for your trip to the United States