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

SEA Airport Page →
5 mi airlines 0/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 73 1-stop flights Verified 3w ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

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
Seattle to Seattle
Connecting service available through multiple hubs.
1 Airlines 5 mi 0h 19m nonstop 73 1-stop hubs

SEA–BFI is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 5 miles in approximately 0h 19m. Beyond nonstop, 73 hubs offer 1-stop connections.

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

Airline Landscape

All carriers operating nonstop SEA–BFI service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines 0 – – 79% Star Alliance –
Alliance coverage
Star Alliance: UA (0 flights/wk, 0%)
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 SEA to BFI.
1-STOP
One-Stop Connections
73
Hubs
~2h
Fastest
~30h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
622
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 Seattle

Nearby airports with service to King County International Airport - Boeing Field.
Metric SEA→BFI ESD→BFI YYJ→BFI
Distance from SEA – 91 mi 98 mi
Nonstop airlines 1 1 2
Weekly flights 0 – 1
Flight time 0h 19m 0h 38m 0h 38m
Departure OTP 79% – –
Eastsound (ESD) to Seattle flights · Victoria (YYJ) to Seattle flights
Airports within 200 miles of SEA 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 Seattle.
SEA: PDT · BFI: PDT

When it's 6:00 PM in Seattle, it's 6:00 PM in Seattle.
Distance & Flight Time
5 mi / 9 km
Nonstop flight time is approximately 0h 19m.
Getting to SEA

Link Light Rail runs from downtown Seattle (Westlake station) to the airport in 38 minutes ($3.50 peak). Trains run every 6–12 minutes during peak hours from 5am to 1am. Ride-shares run $30–50 from downtown; SR-99 and I-5 can be heavily congested southbound during afternoon rush (3–7pm).

Sound Transit 574 express bus serves Tacoma ($2.50–4). Sounder commuter rail connects Tacoma to the airport area via a shuttle.

Facts

SEA–BFI Quick Facts

Key statistics for the Seattle to Seattle route.
Route details
Distance5 mi / 9 km
Flight time0h 19m
Time difference0 hours
Airlines (nonstop)1
1-stop connections73 hubs
Origin: SEA
Full nameSeattle–Tacoma International Airport
IATA / ICAOSEA / KSEA
TimezoneAmerica/Los_Angeles
Passengers/yr52.6M
Elevation433 ft / 132 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 SEA to BFI flights.
Nonstop flights from Seattle–Tacoma International Airport to King County International Airport - Boeing Field take approximately 0h 19m. The route covers 5 miles.
1 airline operates nonstop service: United Airlines.
Yes, 1-stop connections are available through MWH, FHR, YVR, PDX, YYJ, ESD, BZN, GEG, YEG, STS, RNO, SLC, IDA, BOI, EGE, OAK, SAN, SCF, LAS, BUR, VNY, SNA, PSP, LAX, APA, PHX, AZA, OMA, MSP, ANC, ELP, IAH, RFD, OKC, IND, TUS, MCI, ABQ, YYZ, STL, DAL, ORD, AUS, CMH, DFW, ATL, CLT, BWI, DCA, EWR, PIT, BNA, CHS, RDU, IAD, MTY, BOS, TPA, MCO, RSW, HNL, KOA, FLL, MIA, MDW, SFO, DEN, SJC, SMF, YLW, MNL, YYC and HND. These options provide additional schedule flexibility.
Yes, return flights from BFI to SEA are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include ESD and YYJ. 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 SEA to BFI

Seattle–Tacoma International Airport (SEA) and King County International Airport - Boeing Field (BFI) are connected by nonstop service from United Airlines.

SEA to BFI Flight Duration and Schedule

Nonstop flight time from SEA to BFI ranges from 0 hours 19 minutes. The route covers a distance of 5 miles (9 km).

Connecting Options and Alternatives

73 one-stop connections are available, with the fastest taking approximately 2 hours via MWH. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Eastsound (ESD) and Victoria (YYJ).