Idaho Falls (IDA) to Las Vegas (LAS)
Flight time
≈ 1h 53m
Bearing
199° S
Idaho Falls (IDA) to Las Vegas (LAS) is 539 miles (867 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IDA–LAS
US DOT T-100 · filed dataIn April 2026, Allegiant Air was the only carrier flying nonstop IDA–LAS; the Airbus A319 was the most common aircraft at 100% of departures; flights ran 77% full.
Departures
16
April 2026
Seats
2,496
both directions
Passengers
1,928
both directions
Load factor
77.2%
passengers ÷ seats
Who flies IDA–LAS?
Allegiant Air was the only carrier to fly nonstop IDA–LAS in April 2026 (16 departures).
- G4
Allegiant Air
16 departures · 2,496 seats
Share of departures100.0%77.2%
Load
What plane flies IDA–LAS?
In April 2026, the Airbus A319 flew 100% of IDA–LAS departures.
- Airbus A319
16 departures · 77.2% load
100.0%
How has IDA–LAS traffic changed?
Nonstop IDA–LAS departures fell from 18 in May 2025 to 16 in April 2026.
Monthly nonstop IDA–LAS traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
18 departures · 2,203 passengers
76.3%
Load
June 2025
18 departures · 2,453 passengers
87.4%
Load
July 2025
18 departures · 2,332 passengers
80.0%
Load
August 2025
18 departures · 2,076 passengers
73.9%
Load
September 2025
18 departures · 1,962 passengers
65.4%
Load
October 2025
18 departures · 2,098 passengers
73.1%
Load
November 2025
20 departures · 2,282 passengers
72.0%
Load
December 2025
30 departures · 3,218 passengers
66.2%
Load
January 2026
18 departures · 2,049 passengers
73.0%
Load
February 2026
16 departures · 1,885 passengers
75.5%
Load
March 2026
18 departures · 2,289 passengers
80.8%
Load
April 2026
16 departures · 1,928 passengers
77.2%
Load
By direction
The DOT files each direction separately — they rarely match.
IDA → LAS
73.7% full
8 departures · 920 passengers
LAS → IDA
80.8% full
8 departures · 1,008 passengers
Nonstop IDA–LAS traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Idaho Falls (IDA) from Las Vegas (LAS)?
IDA to LAS is 539 miles (867 km / 468 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IDA to LAS?
A nonstop covers the 539-mile great-circle distance in roughly 1h 53m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IDA–LAS?
In April 2026, the Airbus A319 flew the largest share of departures (100.0%).
What mileage do I earn flying IDA–LAS?
Distance-based programs credit off the 539-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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