Cheap flights from Las Vegas to Idaho Falls from $58
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 Falls departing on 7/2. 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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How to get the cheapest flight ticket from Las Vegas to Idaho Falls
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 Falls?
If you aren’t able to travel to Idaho Falls during the month of May, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $125.
What is the cheapest day to depart on your flight to Idaho Falls?
Our data shows that Friday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $125. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Monday is $140.
What is the cheapest time of day to depart on your flight to Idaho Falls?
Our most recent data shows that the best time of day to fly to Idaho Falls is at noon. Flights from Las Vegas to Idaho Falls during this time can be as low as $114. Try not to purchase tickets in the afternoon because they tend to be around $488. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Las Vegas Harry Reid Intl to Idaho Falls Fanning Field flight route?
Fly from Las Vegas Harry Reid Intl to Idaho Falls Fanning Field for the best Las Vegas Harry Reid Intl - Idaho Falls Fanning Field flight prices
What cabin class options are available on Las Vegas Harry Reid Intl to Idaho Falls Fanning Field flights?
There are 1 cabin classes available to choose from on Las Vegas Harry Reid Intl to Idaho Falls Fanning Field flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How have Las Vegas to Idaho Falls flight prices changed over time?
As of June 2025, prices for Las Vegas to Idaho Falls flights are approximately 42% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Las Vegas Harry Reid Intl to Idaho Falls Fanning Field?
Allegiant Air, Delta, and Alaska Airlines are the most popular carriers operating from Las Vegas Harry Reid Intl to Idaho Falls Fanning Field
What airlines fly to Idaho Falls?
Allegiant Air, Delta and United Airlines are the top three most popular airlines that fly to Idaho Falls from Las Vegas according to our data. Allegiant Air is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Idaho Falls. Keep in mind that there are 4 different airlines that fly to Idaho Falls on a routine basis, so you have a few additional options to choose from.
How many flights depart from Las Vegas to Idaho Falls on average per week?
As of June 2025, 2 flights take off from Las Vegas and land in Idaho Falls each week. The most common flight departure day for this route is Mon, with 50% of weekly flights taking off on this day.
When to book flights from Las Vegas to Idaho Falls
Cheap Las Vegas to Idaho Falls (LAS to IDA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Idaho Falls
Best Price Found | $58 |
|---|---|
Fastest flight time | 1h 48m |
Direct flights | Tue, Thu and Sat |
Airports in Idaho Falls | 1 airport |
How far is Las Vegas Harry Reid Intl to Idaho Falls Fanning Field by plane?
The distance between Las Vegas Harry Reid Intl and Idaho Falls Fanning Field is about 529.6 mi. By plane, this route typically takes 1h 48m.
When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Idaho Falls Fanning Field Airport?
Prices for flights from Las Vegas Harry Reid Intl Airport to Idaho Falls Fanning Field Airport are updated daily.
How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Idaho Falls Fanning Field Airport?
The number of operators available for flights from Las Vegas Harry Reid Intl Airport to Idaho Falls Fanning Field Airport is 3 as of June 2025.
How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Idaho Falls Fanning Field Airport?
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 Falls Fanning Field Airport.
What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?
The required travel and health documents for your Idaho Falls Fanning Field 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 Idaho Falls Fanning Field 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 Las Vegas to Idaho Falls?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Las Vegas to Idaho Falls is Airbus A319 (90.48% of total bookings). The next most popular plane models are Airbus A320neo (4.76%) and Airbus A320 (sharklets) (4.76%).
What is the most popular airline from Las Vegas to Idaho Falls?
Based on momondo bookings for flights between Las Vegas and Idaho Falls, the leading airline is Allegiant Air, making up 68% of the total bookings. Other popular airlines include Delta with 21% and United Airlines with 12%.
Best airlines flying from Las Vegas to Idaho Falls
Compare and see reviews for airlines that fly from Las Vegas to Idaho Falls with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $90 | Free Cancellation | Rating 7.3 722 reviews | |||
| PriceFrom $219 | Free Cancellation | Rating 7.4 8,798 reviews | |||
| PriceFrom $264 | Free Cancellation | Rating 8.0 7,963 reviews |
Allegiant Air Flights From Las Vegas to Idaho Falls
Allegiant Air is one of the most popular airlines flying from Las Vegas to Idaho Falls, operating 2 flights/week on average for this route. A good Allegiant Air flight deal for Las Vegas to Idaho Falls starts from $90 round-trip, up to an average price of $127. Our users have rated Allegiant Air at 7.3/10.
Traveling to a place near Idaho Falls?
Book flights to Idaho Falls if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Las Vegas to Idaho Falls?
Finding the right flight to Idaho Falls from Las Vegas is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho Falls quick and easy, saving you time and money.
Can I find flights from Las Vegas to Idaho Falls with flexible booking policies on momondo?
momondo does allow users to show only those flights to Idaho Falls from Las Vegas which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Las Vegas to Idaho Falls?
momondo helps you find the best flight between Las Vegas and Idaho Falls by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Las Vegas to Idaho Falls right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Las Vegas to Idaho Falls 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.