Is there a nonstop flight from Idaho Falls (IDA) to Las Vegas (LAS)?

Yes. Allegiant operates a nonstop IDA–LAS service year-round.

How often do flights leave IDA for LAS?

About 2× weekly — 2 departures a week in August 2026, compared with 2 a week in February 2026.

How much does a nonstop IDA to LAS flight cost?

Half of tickets sold on this route were between $25 and $75 one way, with a median of $50. Based on 303 ticket records in the US DOT fare survey for Q2 2025.

Nonstop route

Idaho Falls to Las Vegas nonstop

Yes: Allegiant flies direct from Idaho Falls (IDA) to Las Vegas (LAS) about 2 times a week, year-round.

IDAIdaho Falls

✈

LASLas Vegas

Allegiant

Search flights ↗Hotels in Las Vegas ↗Back to IDA

Hotel bookings pay us a small commission; the flight search doesn't.

2× weekly2 flights a week

Year-roundflown 12 of the last 12 months

$25–$75typical one-way · median $50 · US DOT Q2 2025

539miles · about 1 hr 35 min

Route detail

Idaho Falls to Las Vegas in numbers

Measured from US DOT filings, not estimated from distance.

Distance and flight time: 539 miles nonstop, about 1 hr 35 min gate to gate. Flight time is an estimate from the great-circle distance; the filings carry distance, not scheduled elapsed time.
Seasonality: Flew every month of the last year: busiest in December 2025 (3 flights a week), quietest in April 2026 (2 flights a week).
Sep 2025: 2 flights a week
Oct 2025: 2 flights a week
Nov 2025: 2 flights a week
Dec 2025: 3 flights a week
Jan 2026: 2 flights a week
Feb 2026: 2 flights a week
Mar 2026: 2 flights a week
Apr 2026: 2 flights a week
May 2026: 2 flights a week
Jun 2026: 2 flights a week
Jul 2026: 2 flights a week
Aug 2026: 2 flights a week
Flights a week by month, Sep 2025 to Aug 2026, from US DOT on-time filings.
Who operates the flights: Allegiant is the only carrier filing this pair.
Fares: Half of the 303 tickets in the US DOT fare survey for Q2 2025 sold between $25 and $75 one way, median $50. The survey runs a couple of quarters behind, so read it as the shape of the route's pricing rather than today's quote.
Jul to Sep (Q3 2024): median $25 one way, middle half $25 to $75, 337 tickets
Oct to Dec (Q4 2024): median $50 one way, middle half $25 to $125, 350 tickets
Jan to Mar (Q1 2025): median $50 one way, middle half $25 to $100, 341 tickets
Apr to Jun (Q2 2025): median $50 one way, middle half $25 to $75, 303 tickets
Jul to Sep trips were the cheapest (median $25 one way) and Oct to Dec, Jan to Mar and Apr to Jun trips cost the most (median $50), in the DOT ticket survey for Q3 2024 to Q2 2025. Bars show the middle half of one-way fares; the mark is the median.

Flying the other way? Las Vegas to Idaho Falls nonstop.

Also nonstop from Idaho Falls (IDA)

Busiest other routes out of the same airport

Denver (DEN) about 5 times a day
Salt Lake City (SLC) about 4 times a day
Dallas/Fort Worth (DFW) about 3 times a day
Seattle (SEA) about 2 times a day
Portland (PDX) about 8 times a week
Chicago (ORD) about 8 times a week
Mesa (AZA) about 4 times a week
Santa Ana (SNA) about 2 times a week

All 10 nonstop destinations from IDA

Plan the rest of the trip

Staying in Las Vegas?

Sort out where you'll sleep and what you'll do once you land.

Exploring Las Vegas on foot? Take the free GPS audio walking tour

Hotels in Las VegasCompare rates on Hotels.com ↗More places to staySearch Booking.com ↗Things to do in Las VegasTours and tickets on GetYourGuide ↗

Nonstop Scout earns a commission on bookings made through these links, at no extra cost to you. It does not change which routes or fares we show.

Affiliate disclosure

Ready to compare fares?

Nonstop Scout earns a commission on hotel and activity bookings made through the links above. The flight search link pays us nothing; it's here because it's the best one.

Check fares on Google Flights ↗

Take every nonstop with you. Get the free Nonstop Scout app for iPhone.