FAA · Live

Open the map

Great Falls (GTF) to Twin Falls (TWF)

377mi
608 km328 nm

Flight time

≈ 1h 33m

Bearing

205° SW

Great Falls (GTF) to Twin Falls (TWF) is 377 miles (608 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: GTF → TWFGTFTWF

Look up a route, or build a trip

Change the airports, or add stops for a multi-leg trip.

What actually flies GTFTWF

US DOT T-100 · filed data

In August 2025, Air Alsie was the only carrier flying nonstop GTF–TWF; the Dassault FALCON-7X was the most common aircraft at 100% of departures; flights ran 50% full.

Departures

1

August 2025

Seats

12

both directions

Passengers

6

both directions

Load factor

50.0%

passengers ÷ seats

Who flies GTF–TWF?

Air Alsie was the only carrier to fly nonstop GTF–TWF in August 2025 (1 departures).

  • 15Q

    Air Alsie

    1 departures · 12 seats

    50.0%

    Load

What plane flies GTF–TWF?

In August 2025, the Dassault FALCON-7X flew 100% of GTF–TWF departures.

How has GTF–TWF traffic changed?

Monthly nonstop GTFTWF traffic, trailing 12 months through August 2025. Bars scale to the busiest month; months with no filed service show as zero.

  • August 2025

    1 departures · 6 passengers

    50.0%

    Load

Nonstop GTF–TWF traffic has been filed with the US DOT since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through August 2025; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.

The airports

GTF

US

Great Falls International Airport

Coordinates

47.48°N, 111.37°W

Hemisphere

N · W

TWF

Twin Falls

US

Joslin Field Magic Valley Regional Airport

Coordinates

42.48°N, 114.49°W

Hemisphere

N · W

Frequently asked

How far is Great Falls (GTF) from Twin Falls (TWF)?

GTF to TWF is 377 miles (608 km / 328 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from GTF to TWF?

A nonstop covers the 377-mile great-circle distance in roughly 1h 33m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies GTF–TWF?

In August 2025, the Dassault FALCON-7X flew the largest share of departures (100.0%).

What mileage do I earn flying GTF–TWF?

Distance-based programs credit off the 377-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

Keep exploring

Every route below is its own page.