Billings (BIL) to Salt Lake City (SLC)
Flight time
≈ 1h 34m
Bearing
208° SW
Billings (BIL) to Salt Lake City (SLC) is 387 miles (624 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
Look up a route, or build a trip
Change the airports, or add stops for a multi-leg trip.
What actually flies BIL–SLC
US DOT T-100 · filed dataIn April 2026, SkyWest Airlines operated the most departures, one of 2 carriers flying nonstop BIL–SLC; the Embraer E175 was the most common aircraft at 66% of departures; flights ran 78% full.
Departures
181
April 2026
Seats
18,271
both directions
Passengers
14,245
both directions
Load factor
78.0%
passengers ÷ seats
Who flies BIL–SLC?
SkyWest Airlines operated the most nonstop BIL–SLC departures in April 2026 (120), one of 2 carriers on the route.
- OO
SkyWest Airlines
120 departures · 8,772 seats
Share of departures66.3%86.7%
Load
- DL
Delta Air Lines
61 departures · 9,499 seats
Share of departures33.7%69.9%
Load
What plane flies BIL–SLC?
In April 2026, the Embraer E175 flew 66% of BIL–SLC departures — more than any other aircraft type.
- Embraer E175
120 departures · 86.7% load
66.3% - Airbus A320
58 departures · 69.4% load
32.0% - Airbus A319
2 departures · 92.4% load
1.1% - Airbus A220-300
1 departures · 62.3% load
0.5%
How has BIL–SLC traffic changed?
Nonstop BIL–SLC departures fell from 188 in May 2025 to 181 in April 2026.
Monthly nonstop BIL–SLC traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
188 departures · 14,582 passengers
78.6%
Load
June 2025
180 departures · 14,593 passengers
81.3%
Load
July 2025
185 departures · 15,550 passengers
85.0%
Load
August 2025
187 departures · 15,615 passengers
83.9%
Load
September 2025
180 departures · 13,554 passengers
75.8%
Load
October 2025
184 departures · 14,208 passengers
76.3%
Load
November 2025
172 departures · 12,843 passengers
72.3%
Load
December 2025
182 departures · 14,669 passengers
78.7%
Load
January 2026
171 departures · 12,503 passengers
70.2%
Load
February 2026
156 departures · 11,506 passengers
71.1%
Load
March 2026
184 departures · 14,694 passengers
78.5%
Load
April 2026
181 departures · 14,245 passengers
78.0%
Load
By direction
The DOT files each direction separately — they rarely match.
SLC → BIL
78.4% full
91 departures · 7,214 passengers
BIL → SLC
77.5% full
90 departures · 7,031 passengers
Nonstop BIL–SLC 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 Salt Lake City (SLC)?
BIL to SLC is 387 miles (624 km / 337 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BIL to SLC?
A nonstop covers the 387-mile great-circle distance in roughly 1h 34m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BIL–SLC?
In April 2026, the Embraer E175 flew the largest share of departures (66.3%), followed by the Airbus A320 (32.0%).
What mileage do I earn flying BIL–SLC?
Distance-based programs credit off the 387-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.
Other routes from BIL
Popular long-haul routes