When is the cheapest time of year to fly from Idaho Falls to Las Vegas?

Based on statistics over the past years, the lowest prices for flights from Idaho Falls to Las Vegas can be found flying in these months: .

Cheap Flights from Idaho Falls to Las Vegas

Cheapest flights from Idaho Falls to Las Vegas

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Idaho Falls to Las Vegas. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$123

Allegiant Air

Direct flight

1h 43m

12/27/2025

The cheapest one-way flight from Idaho Falls to Las Vegas departs on 12/27/2025, is operated by Allegiant Air and costs $123

Cheapest round trip flight

$160

United Airlines

1 layover

10h 44m

02/04/2026

The cheapest roundtrip flight from Idaho Falls to Las Vegas departs on 02/04/2026, is operated by United Airlines and costs $160

The fastest flight

1h 43m

Fastest flight from Idaho Falls to Las Vegas takes 1h 43m

Direct flights

Once a week

There are direct flights on this route 1 day a week: Sa

Earliest flight

9:20 PM

Latest flight

10:52 PM

Direct flights count

3

Distance

864km

Timezone difference

1h

The distance between Idaho Falls and Las Vegas is 864km (536 miles). There are 3 direct flights from Idaho Falls to Las Vegas. The time difference between Idaho Falls and Las Vegas is 1h. Flights from Idaho Falls begin at 9:20 PM. The latest flight from Idaho Falls departs at 10:52 PM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Idaho Falls to Las Vegas by month

We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Idaho Falls to Las Vegas

Avg Price

Airlines operating on route

On the Idaho Falls — Las Vegas route, flights are operated only by Allegiant Air. This simplifies the choice for passengers, as all tickets come from a single trusted carrier. Our service lets you instantly check fares for upcoming dates and find the most advantageous option. The minimum ticket price starts at $123, making this trip affordable for a wide range of travelers. To save even more, we recommend booking early and keeping an eye on promotions — Allegiant Air regularly offers special deals.

Allegiant Air

starting at $123

Non-stop flights from Idaho Falls to Las Vegas

A non-stop flight is the most convenient and comfortable way to fly from Idaho Falls to Las Vegas, despite the fact that sometimes flights with transfers can cost significantly less.

Idaho Falls — Las Vegas

IDA — LAS

12/27/2025

Departure

Direct flight

G427

starting at $123

Schedule of direct flights from Idaho Falls to Las Vegas

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Idaho Falls to Las Vegas:

Unable to find information about the schedule of direct flights from

Idaho Falls airports overview

Idaho Falls Regional Airport

•

IDA

•

Las Vegas airports overview

McCarran International Airport

•

LAS

4km

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Idaho Falls to Las Vegas?

The cheapest flight ticket from Idaho Falls to Las Vegas according to data for the last 48 hours costs $123

When is the best time to buy air tickets on the route Idaho Falls — Las Vegas?

Often the best time to buy tickets from Idaho Falls to Las Vegas is 2 months before departure.

How long does it take to fly from Idaho Falls to Las Vegas?

The fastest flights from Idaho Falls to Las Vegas start from 1 hour 43 minutes in the air.

Which airline can fly direct from Idaho Falls to Las Vegas?

The following airlines operate direct flights on the route Idaho Falls — Las Vegas: Allegiant Air

Special offers and sales on air tickets from Idaho Falls to Las Vegas

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Idaho Falls to Las Vegas

Alternative routes

Billings ➜ Las Vegas•Boise ➜ Las Vegas•Denver ➜ Las Vegas•Fort Collins ➜ Las Vegas•Spokane ➜ Las Vegas•Grand Junction ➜ Las Vegas•Ogden ➜ Las Vegas•Provo ➜ Las Vegas•Salt Lake City ➜ Las Vegas•Idaho Falls ➜ Bakersfield•Idaho Falls ➜ Fresno•Idaho Falls ➜ Long Beach•Idaho Falls ➜ Mexicali•Idaho Falls ➜ Phoenix•Idaho Falls ➜ Santa Barbara•Idaho Falls ➜ Tijuana•Idaho Falls ➜ Yuma

•••••••••••••••••••

Cheapest one way flight

$123

Allegiant Air

Direct flight

1h 43m

12/27/2025

The cheapest one-way flight from Idaho Falls to Las Vegas departs on 12/27/2025, is operated by Allegiant Air and costs $123

Cheapest round trip flight

$160

United Airlines

1 layover

10h 44m

02/04/2026

The cheapest roundtrip flight from Idaho Falls to Las Vegas departs on 02/04/2026, is operated by United Airlines and costs $160

The fastest flight