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

SJC Airport Page →
703 mi airlines 2/wk
On-time Some delays Frequent delays
Flight Schedule 2 flights Verified 51m ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
✓
→
SY8723
SY Sun Country
738
2:00 PM
PDT
4:10 PM
PDT
2h 10m
—
M T W T F S S
Prices
✓
←
SY8723
SY Sun Country
738
10:30 PM
PDT
12:39 AM+1
PDT
2h 9m
—
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
San Jose to Seattle
2 carriers, 2 flights/week nonstop.
2 Airlines 2 Flights/wk 703 mi 1h 40m nonstop 71 1-stop hubs

SJC–BFI is served by 2 airlines with nonstop service. Sun Country Airlines and TWY lead the route. The flight covers 703 miles in approximately 1h 40m. Beyond nonstop, 71 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 1 738 2h10 54% – –
TWY TWY 0 – – 54% – –
Aircraft on this route
738 Boeing 737-800 – SY
Alliance coverage
Unaffiliated: SY + TWY (1 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Schedule

Weekly Schedule Pattern

Nonstop flight frequency by day of week, SJC to BFI direction.
Mon
0
flights
Tue
1
flight
Wed
0
flights
Thu
0
flights
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
2
Outbound / wk
1
Return / wk
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SJC to BFI.
1-STOP
One-Stop Connections
71
Hubs
~2h
Fastest
~29h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
229
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 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 2 3 9
Weekly flights 2 1 4
Flight time 1h 40m 1h 47m 1h 27m
Departure OTP 54% – –
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
0h
Seattle is 0 hours the same as San Jose.
SJC: PDT · BFI: PDT

When it's 6:00 PM in San Jose, it's 6:00 PM in Seattle.
Distance & Flight Time
703 mi / 1,131 km
Nonstop flight time is approximately 1h 40m to 2h 10m.
Facts

SJC–BFI Quick Facts

Key statistics for the San Jose to Seattle route.
Route details
Distance703 mi / 1,131 km
Flight time1h 40m to 2h 10m
Time difference0 hours
Airlines (nonstop)2
Weekly flights2 out / 1 return
1-stop connections71 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/Los_Angeles
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 1h 40m to 2h 10m. The route covers 703 miles.
2 airlines operate nonstop service: Sun Country Airlines and TWY.
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, BZN, YVR, PDX, YYJ, RNO, SEA, GEG, VNY, EGE, SLC, SCF, LGB, SAN, BUR, PSP, LAS, SNA, BOI, YYC, TRM, LAX, SFO, APA, PHX, FNL, ELP, OMA, LBB, TUS, DEN, MSP, OKC, IAH, ABQ, IND, STL, ANC, DAL, AUS, HOU, YYZ, CMH, SDF, CLT, MTY, ORD, DFW, DCA, BNA, JAX, RDU, EWR, BUF, PIT, BWI, IAD, MCO, ATL, LGA, KOA, BOS, HNL, FLL, PBI, GCM, MIA, MDW, BRU, HND and SEZ. These options provide additional schedule flexibility.
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 and TWY. 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 1 hours 40 minutes to 2 hours 10 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

71 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).