Salt Lake CitySeattleDirect FlightsSLC–BFI
Salt Lake City (Salt Lake City International Airport) to Seattle (Boeing Field/King County International Airport).
Flight time from SLC to BFI is estimated at about 2h 1m, based on the 691-mile great-circle distance. Our current captured departure sample includes weekly across 2 captured airlines, with BOE appearing most often in that sample.
Plan this routeAt a glance
| Est. flight time | Distance | Captured freq. | Type |
|---|---|---|---|
| ~2h 1m Estimated from great-circle distance — no tracked flights yet. | 691 mi | weekly From the current provider sample; confirm live timetables before booking. | Domestic |
Airlines on this route
Captured airlines for SLC to BFI
Our current provider sample includes weekly from SLC to BFI across 2 captured airlines.
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| BOE | weekly | Boeing 737 | — |
| Alaska Airlines | Scheduled | Varies by schedule | — |
Aircraft on this route
Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for SLC to BFI, last seen June 15, 2026. Frequency uses 1 scheduled departures across 1 observed day; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.
Route FAQ
How long is the flight from SLC to BFI?
The SLC to BFI flight time is estimated at about 2h 1m from great-circle distance until enough tracked flights are available.
How far is SLC from BFI?
SLC to BFI is about 691 miles by air.
Which airlines fly from SLC to BFI?
Our current provider sample for SLC to BFI includes BOE, Alaska Airlines. Confirm live timetables before booking.
What aircraft fly from SLC to BFI?
Aircraft captured in our current provider sample for SLC to BFI include Boeing 737.