Billings (BIL) to Great Falls (GTF)
Flight time
≈ 1h 09m
Bearing
312° NW
Billings (BIL) to Great Falls (GTF) is 177 miles (285 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BIL–GTF
US DOT T-100 · filed dataIn April 2026, Sun Country Airlines was the only carrier flying nonstop BIL–GTF; the Boeing 737-800 was the most common aircraft at 100% of departures; flights ran 0% full.
Departures
1
April 2026
Seats
186
both directions
Passengers
0
both directions
Load factor
0.0%
passengers ÷ seats
Who flies BIL–GTF?
Sun Country Airlines was the only carrier to fly nonstop BIL–GTF in April 2026 (1 departures).
- SY
Sun Country Airlines
1 departures · 186 seats
Share of departures100.0%0.0%
Load
What plane flies BIL–GTF?
In April 2026, the Boeing 737-800 flew 100% of BIL–GTF departures.
- Boeing 737-800
1 departures · 0.0% load
100.0%
How has BIL–GTF traffic changed?
Nonstop BIL–GTF departures held steady at about 1 a month between August 2025 and April 2026.
Monthly nonstop BIL–GTF traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
1 departures · 71 passengers
93.4%
Load
September 2025
0 departures · 0 passengers
—
Load
October 2025
1 departures · 27 passengers
14.5%
Load
November 2025
0 departures · 0 passengers
—
Load
December 2025
0 departures · 0 passengers
—
Load
January 2026
0 departures · 0 passengers
—
Load
February 2026
0 departures · 0 passengers
—
Load
March 2026
0 departures · 0 passengers
—
Load
April 2026
1 departures · 0 passengers
0.0%
Load
Nonstop BIL–GTF 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 Billings (BIL) from Great Falls (GTF)?
BIL to GTF is 177 miles (285 km / 154 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BIL to GTF?
A nonstop covers the 177-mile great-circle distance in roughly 1h 09m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BIL–GTF?
In April 2026, the Boeing 737-800 flew the largest share of departures (100.0%).
What mileage do I earn flying BIL–GTF?
Distance-based programs credit off the 177-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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