San Jose to Seattle (SJC–BFI) — Airlines, Schedules & Connections

SJC Airport Page →
703 mi airlines 2/wk
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Flight Schedule 0 flights Verified 3h ago
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No nonstop flights on this route. connecting options below.

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San Jose to Seattle
1 carrier, 2 flights/week nonstop.
1 Airlines 2 Flights/wk 703 mi 0h 36m nonstop +1h ahead 41 1-stop hubs

SJC–BFI is served by 1 airline with nonstop service. Sun Country Airlines leads the route. The flight covers 703 miles in approximately 0h 36m. Beyond nonstop, 41 hubs offer 1-stop connections.

Also explore SJC Routes BFI Routes SJC Live Flights BFI Live Flights SJC Delays
Carriers on this route

Airline Landscape

All carriers operating nonstop SJC–BFI service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
SY Sun Country Airlines 1 – – 75% – –
Alliance coverage
Unaffiliated: SY (1 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SJC to BFI.
1-STOP
One-Stop Connections
41
Hubs
~2h
Fastest
~30h
Longest
STS ~2h 26m VNY ~3h 16m BZN ~3h 38m PDX ~3h 54m SNA ~3h 59m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
190
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.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
SJC → BFI
75%
Generally reliable. Most flights run on time.
Departing
75%
Return
BFI → SJC
59%
Frequent delays expected. Consider flexible booking.
Arriving
59%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SJC delays →
Alternatives

Other ways to reach Seattle from San Jose

Nearby airports with service to King County International Airport - Boeing Field.
Metric SJC→BFI OAK→BFI SFO→BFI
Distance from SJC – 29 mi 30 mi
Nonstop airlines 1 1 5
Weekly flights 2 1 6
Flight time 0h 36m 0h 27m 0h 27m
Departure OTP 75% – –
Oakland (OAK) to Seattle flights · San Francisco (SFO) to Seattle flights · Santa Rosa (STS) to Seattle flights
Airports within 200 miles of SJC with service to King County International Airport - Boeing Field.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
+1h
Seattle is 1 hour ahead of San Jose.
SJC: PDT · BFI: MDT

When it's 6:00 PM in San Jose, it's 7:00 PM in Seattle.
Distance & Flight Time
703 mi / 1,131 km
Nonstop flight time is approximately 0h 36m to 0h 39m.
Facts

SJC–BFI Quick Facts

Key statistics for the San Jose to Seattle route.
Route details
Distance703 mi / 1,131 km
Flight time0h 36m to 0h 39m
Time difference+1 hour
Airlines (nonstop)1
Weekly flights2 out / 1 return
1-stop connections41 hubs
Origin: SJC
Full nameNorman Y. Mineta San Jose International Airport
IATA / ICAOSJC / KSJC
TimezoneAmerica/Los_Angeles
Passengers/yr11.6M
Elevation62 ft / 19 m
Destination: BFI
Full nameKing County International Airport - Boeing Field
IATA / ICAOBFI / KBFI
TimezoneAmerica/Boise
Passengers/yr0.1M
Elevation21 ft / 6 m
FAQ

Frequently Asked Questions

Common questions about SJC to BFI flights.
Nonstop flights from Norman Y. Mineta San Jose International Airport to King County International Airport - Boeing Field take approximately 0h 36m to 0h 39m. The route covers 703 miles.
1 airline operates nonstop service: Sun Country Airlines.
There are approximately 2 nonstop flights per week from SJC to BFI. The return direction has about 1 weekly flights.
Yes, 1-stop connections are available through STS, VNY, BZN, PDX, SNA, LAS, GEG, RNO, PSP, EGE, SAN, LAX, SCF, PHX, BUR, TUS, TRM, DAL, DEN, AUS, OMA, DFW, STL, ANC, SLC, SDF, ORD, DCA, BNA, MSP, IAD, BWI, EWR, JAX, KOA, ATL, RDU, FLL, YVR, YYC and HND. These options provide additional schedule flexibility.
Seattle is 1 hour ahead of San Jose.
Yes, return flights from BFI to SJC are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include OAK, SFO and STS. 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 SJC to BFI

Norman Y. Mineta San Jose International Airport (SJC) and King County International Airport - Boeing Field (BFI) are connected by nonstop service from Sun Country Airlines. With 2 weekly departures, this is a regularly served route.

SJC to BFI Flight Duration and Schedule

Nonstop flight time from SJC to BFI ranges from 0 hours 36 minutes to 0 hours 39 minutes. The route covers a distance of 703 miles (1,131 km). There are approximately 2 weekly flights outbound and 1 return, totaling 3 flights per week in both directions.

Connecting Options and Alternatives

41 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 Oakland (OAK), San Francisco (SFO) and Santa Rosa (STS).