Santa Rosa to Seattle (STS–BFI) — Airlines, Schedules & Connections

STS Airport Page →
624 mi airlines charter/private 1/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 3 1-stop flights Verified 3d ago
Also flown by charter / private operators.
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

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.

✦ 1-Stop connections via 3 hubs
LAX Los Angeles 7h 24m ASAYEJA → UA Los Angeles (LAX) to Seattle flights
SAN San Diego ~5h 14m ASWNYE → San Diego (SAN) to Seattle flights
BUR Burbank ~5h 14m ASWN → Burbank (BUR) to Seattle flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Santa Rosa to Seattle
Connecting service available through multiple hubs.
1 Airlines 624 mi 1h 38m nonstop

STS–BFI had nonstop service, last on the schedule in June 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 624 miles in 1h 38m.

Also explore STS Routes BFI Routes STS Live Flights BFI Live Flights
All flights from Seattle (BFI) Seattle to Santa Rosa flights
Carriers on this route

Airline Landscape

Carriers that operated nonstop STS–BFI service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
TWY TWY 1 – – – – –
Alliance coverage
Unaffiliated: TWY (1 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

1-stop and 2-stop options for STS to BFI.
1-STOP
One-Stop Connections
3
Hubs
~5h
Fastest
~7h
Longest
SAN ~5h 14m BUR ~5h 14m LAX ~7h 24m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
16
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Alternatives

Other ways to reach Seattle from Santa Rosa

Nearby airports with service to King County International Airport - Boeing Field.
Metric STS→BFI OAK→BFI SFO→BFI
Distance from STS – 63 mi 66 mi
Nonstop airlines – 5 10
Weekly flights – 1 5
Flight time 1h 38m 1h 56m 1h 28m
Oakland (OAK) to Seattle flights · San Francisco (SFO) to Seattle flights · Sacramento (SMF) to Seattle flights
Airports within 200 miles of STS with service to King County International Airport - Boeing Field.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
0h
Seattle is 0 hours the same as Santa Rosa.
STS: PDT · BFI: PDT

When it's 6:00 PM in Santa Rosa, it's 6:00 PM in Seattle.
Distance & Flight Time
624 mi / 1,004 km
Nonstop flight time is approximately 1h 38m gate to gate.
Facts

STS–BFI Quick Facts

Key statistics for the Santa Rosa to Seattle route.
Route details
Distance624 mi / 1,004 km
Flight time1h 38m
Time difference0 hours
Airlines (nonstop)1
1-stop connectionsAvailable
Origin: STS
Full nameCharles M. Schulz Sonoma County Airport
IATA / ICAOSTS / KSTS
TimezoneAmerica/Los_Angeles
Passengers/yr0.8M
Elevation128 ft / 39 m
Destination: BFI
Full nameKing County International Airport - Boeing Field
IATA / ICAOBFI / KBFI
TimezoneAmerica/Los_Angeles
Passengers/yr0.1M
Elevation21 ft / 6 m
FAQ

Frequently Asked Questions

Common questions about STS to BFI flights.
Nonstop flights from Charles M. Schulz Sonoma County Airport to King County International Airport - Boeing Field take about 1h 38m gate to gate. The route covers 624 miles.
1 airline operated the nonstop from STS to BFI. The last scheduled nonstop was in June 2026. There's no nonstop right now, so today you'd fly it with one stop. See the connection options above, ranked by layover.
Not right now. The last scheduled nonstop was in June 2026. You can still fly it with one stop, and the connecting options above are sorted by layover. Nonstop, the hop took about 1h 38m.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Los Angeles.
Nearby alternatives include OAK, SFO and SMF. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from STS to BFI

Charles M. Schulz Sonoma County Airport (STS) and King County International Airport - Boeing Field (BFI) had nonstop service, last on the schedule in June 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.

STS to BFI Flight Duration and Schedule

Nonstop flight time from STS to BFI is about 1 hours 38 minutes gate to gate. The route covers a distance of 624 miles (1,004 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Los Angeles. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Oakland (OAK), San Francisco (SFO) and Sacramento (SMF).