San Francisco to Seattle (SFO–BFI) — 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.
SFO–BFI is served by 3 airlines with nonstop service. United Airlines and Delta Air Lines lead the route. The flight covers 685 miles in approximately 1h 50m.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines | 1 | 7M9 | 2h20 | Star Alliance | – | |
| DL Delta Air Lines | 0 | – | – | SkyTeam | – | |
| TWY TWY | 0 | – | – | – | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Seattle from San Francisco
| Metric | SFO→BFI | OAK→BFI | SJC→BFI |
|---|---|---|---|
| Distance from SFO | – | 11 mi | 30 mi |
| Nonstop airlines | 3 | 5 | 14 |
| Weekly flights | 2 | – | 1 |
| Flight time | 1h 50m | 1h 23m | 1h 26m |
| Departure OTP | 60% | – | – |
Travel Essentials
SFO: PDT · BFI: PDT
When it's 6:00 PM in San Francisco, it's 6:00 PM in Seattle.
BART (Bay Area Rapid Transit) runs from downtown San Francisco (Embarcadero, Powell St.) to the SFO station and then a free AirTrain shuttle to all terminals (30–40 min from Embarcadero, $10.45). BART also connects Oakland and Berkeley; useful for East Bay travelers. Trains run from ~4am to midnight.Taxis from downtown San Francisco cost $40–60. Ride-hails (Uber, Lyft) pick up in the designated area in the garage and are often $30–50 depending on surge pricing. SamTrans buses serve Peninsula cities. Highway 101 and I-280 are heavily congested during commute hours; BART is faster than driving at those times.
SFO–BFI Quick Facts
Frequently Asked Questions
Flights from SFO to BFI
San Francisco International Airport (SFO) and King County International Airport - Boeing Field (BFI) are connected by nonstop service from United Airlines and Delta Air Lines. With 2 weekly departures, this is a regularly served route.
SFO to BFI Flight Duration and Schedule
Nonstop flight time from SFO to BFI is about 1 hours 50 minutes gate to gate. The route covers a distance of 685 miles (1,102 km). There are approximately 2 weekly flights outbound and 4 return, totaling 6 flights per week in both directions.
Connecting Options and Alternatives
Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Oakland (OAK), San Jose (SJC) and Santa Rosa (STS).