Idaho Falls (IDA) to Las Vegas (LAS)

539mi
867 km468 nm

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.

Route map: IDA → LASIDALAS

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What actually flies IDALAS

Filed traffic data

In May 2026, Allegiant Air was the only carrier flying nonstop IDA–LAS; the Airbus A319 was the most common aircraft at 78% of departures; flights ran 74% full.

Departures

18

May 2026

Seats

2,904

both directions

Passengers

2,141

both directions

Load factor

73.7%

RPM ÷ ASM

Who flies IDA–LAS?

Allegiant Air was the only carrier to fly nonstop IDA–LAS in May 2026 (18 departures).

  • G4

    Allegiant Air

    18 departures · 2,904 seats

    73.7%

    Load

What plane flies IDA–LAS?

In May 2026, the Airbus A319 flew 78% of IDA–LAS departures — more than any other aircraft type.

How has IDA–LAS traffic changed?

Nonstop IDA–LAS departures held steady at about 18 a month between June 2025 and May 2026.

Monthly nonstop IDALAS traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.

  • 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

  • May 2026

    18 departures · 2,141 passengers

    73.7%

    Load

By direction

Each direction is filed separately — they rarely match.

IDALAS

73.2% full

9 departures · 1,063 passengers

LASIDA

74.2% full

9 departures · 1,078 passengers

Nonstop IDA–LAS traffic has been filed since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).

The airports

IDA

US

Idaho Falls Regional Airport

Coordinates

43.51°N, 112.07°W

Hemisphere

N · W

LAS

US

Harry Reid International Airport

Coordinates

36.08°N, 115.15°W

Hemisphere

N · W

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 May 2026, the Airbus A319 flew the largest share of departures (77.8%), followed by the Airbus A320 (22.2%).

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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