Sacramento to Seattle (SMF–BFI) — Airlines, Schedules & Connections

SMF Airport Page →
611 mi airlines 1/wk
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Flight Schedule 1 flight Verified 12m ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
UA3780
UA United
7M9
5:12 PM
PDT TA
6:58 PM
PDT
1h 46m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Sacramento to Seattle
2 carriers, 1 flights/week nonstop.
2 Airlines 1 Flights/wk 611 mi 1h 46m nonstop 50 1-stop hubs

SMF–BFI is served by 2 airlines with nonstop service. United Airlines and Delta Air Lines lead the route. The flight covers 611 miles in approximately 1h 46m. Beyond nonstop, 50 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop SMF–BFI service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines 1 7M9 1h46 80% Star Alliance
DL Delta Air Lines 0 80% SkyTeam
Aircraft on this route
7M9 Boeing 737 MAX 9 – UA
Alliance coverage
Star Alliance: UA (1 flights/wk, 100%)
SkyTeam: DL (0 flights/wk, 0%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, SMF to BFI direction.
Mon
0
flights
Tue
0
flights
Wed
0
flights
Thu
1
flight
Fri
0
flights
Sat
0
flights
Sun
0
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
1
Outbound / wk
0
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SMF to BFI.
1-STOP
One-Stop Connections
50
Hubs
~2h
Fastest
~16h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
269
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.

Other ways to reach Seattle from Sacramento

Nearby airports with service to King County International Airport - Boeing Field.
Metric SMF→BFI STS→BFI OAK→BFI
Distance from SMF 67 mi 76 mi
Nonstop airlines 2 1 3
Weekly flights 1 1
Flight time 1h 46m 0h 31m 1h 47m
Departure OTP 80%
Airports within 200 miles of SMF with service to King County International Airport - Boeing Field.

Travel Essentials

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

When it's 6:00 PM in Sacramento, it's 6:00 PM in Seattle.
Distance & Flight Time
611 mi / 984 km
Nonstop flight time is approximately 1h 46m.

SMF–BFI Quick Facts

Key statistics for the Sacramento to Seattle route.
Route details
Distance611 mi / 984 km
Flight time1h 46m
Time difference0 hours
Airlines (nonstop)2
Weekly flights1 out
1-stop connections50 hubs
Origin: SMF
IATA / ICAOSMF / KSMF
TimezoneAmerica/Los_Angeles
Passengers/yr13.4M
Elevation27 ft / 8 m
Destination: BFI
IATA / ICAOBFI / KBFI
TimezoneAmerica/Los_Angeles
Passengers/yr0.1M
Elevation21 ft / 6 m

Frequently Asked Questions

Common questions about SMF to BFI flights.
Nonstop flights from Sacramento International Airport to King County International Airport - Boeing Field take approximately 1h 46m. The route covers 611 miles.
2 airlines operate nonstop service: Delta Air Lines and United Airlines.
There are approximately 1 nonstop flights per week from SMF to BFI.
Yes, 1-stop connections are available through STS, BZN, OAK, PDX, YVR, SEA, GEG, SJC, VNY, SLC, YEG, SCF, BOI, LGB, BUR, LAS, SAN, SNA, PSP, TRM, LAX, APA, PHX, DEN, MSP, IND, IAH, ABQ, LGA, MCI, AUS, OKC, STL, DAL, SFO, HOU, ORD, DFW, CLT, BWI, BNA, EWR, RFD, ATL, IAD, KOA, HNL, MCO, MIA and MDW. These options provide additional schedule flexibility.
Yes, return flights from BFI to SMF are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include STS, OAK and SFO. 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.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from SMF to BFI

Sacramento International Airport (SMF) and King County International Airport - Boeing Field (BFI) are connected by nonstop service from Delta Air Lines and United Airlines. With 1 weekly departures, this is a regularly served route.

SMF to BFI Flight Duration and Schedule

Nonstop flight time from SMF to BFI ranges from 1 hours 46 minutes. The route covers a distance of 611 miles (984 km).

Connecting Options and Alternatives

50 one-stop connections are available, with the fastest taking approximately 2 hours via STS. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Santa Rosa (STS), Oakland (OAK) and San Francisco (SFO).