Seattle to Salt Lake City (BFI–SLC) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
BFI–SLC had nonstop service from Delta Air Lines, Sun Country Airlines and United Airlines, last on the schedule in August 2026. There's no nonstop on it right now, so today you'd fly it with one stop. The connecting options below are sorted by layover. Nonstop, it's about 691 miles in 1h 28m.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| BBQ BBQ | 1 | – | – | – | – | – |
| DL Delta Air Lines | 0 | – | – | – | SkyTeam | – |
| SY Sun Country Airlines | 0 | – | – | – | – | – |
| UA United Airlines | 0 | – | – | – | Star Alliance | – |
Connection Landscape
On-Time Performance
Other ways to reach Salt Lake City from Seattle
| Metric | BFI→SLC | SEA→SLC | TIW→SLC |
|---|---|---|---|
| Distance from BFI | – | 5 mi | 22 mi |
| Nonstop airlines | – | 19 | 1 |
| Weekly flights | – | 250 | 1 |
| Flight time | 1h 28m | 1h 55m | 1h 46m |
Travel Essentials
BFI: PDT · SLC: MDT
When it's 6:00 PM in Seattle, it's 7:00 PM in Salt Lake City.
TRAX Green Line from the airport station (inside the terminal) to downtown Salt Lake City takes 18 minutes ($2.50). Direct service to Intermodal Hub, Temple Square, and University of Utah. Running 5am to 11pm.Ride-shares to downtown cost $15–25. Taxis are available. For ski resorts, ski resort shuttles and Canyon Transportation offer door-to-door service ($40–60 to Park City). Car rental is on-site. The terminal opened in 2020 and is a single, modern facility; efficient to navigate.
Semi-arid continental climate at 1,290m elevation. Winters (November–March) bring regular snow and inversions. Temperature inversions trap cold air and pollution in the Salt Lake Valley, producing dense fog that can close or delay flights for hours. Snow is frequent but usually manageable. Inversions are the real disruption risk.
Summers are hot and dry (32–38°C) with low humidity and good flying weather. Afternoon thunderstorms occur in July and August but are brief. Spring is windy. The Great Salt Lake creates localized weather effects including lake-effect snow on the north side of the Wasatch.
BFI–SLC Quick Facts
Frequently Asked Questions
Flights from BFI to SLC
King County International Airport - Boeing Field (BFI) and Salt Lake City International Airport (SLC) had nonstop service from Delta Air Lines, Sun Country Airlines and United Airlines, last on the schedule in August 2026. The nonstop is dormant right now, so the way to fly it today is one connection, and the options above are sorted by layover.
BFI to SLC Flight Duration and Schedule
Nonstop flight time from BFI to SLC is about 1 hours 28 minutes gate to gate. The route covers a distance of 691 miles (1,111 km).
Connecting Options and Alternatives
Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Seattle (SEA), Tacoma (TIW) and Everett (PAE).