Portland (PDX) to Seattle (BFI) flights
Nonstop from Portland International to King County International Airport - Boeing Field: distance, flying time, which airlines fly it and how often.
Distance
135 mi, great circle
Flying time
typical, gate to gate
Flights a day
average, November 2026
Airlines
passenger airlines
Airlines flying PDX to BFI
Also in the data (cargo, charter or a foreign airline on a domestic route): Air Excursions, Kenmore Air, NetJets Aviation.
Route map
The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.
Cheapest recent fare
Fares found in recent searches load here. You can also compare PDX to BFI fares by month.
Both directions
- King County International Airport - Boeing Field (BFI) · we don't have BFI's route list yet
- All nonstop routes from Portland (PDX)
- PDX to BFI on the flight-path tool
Frequently asked questions
How long is the flight from Portland to Seattle?
About 0h 57m gate to gate for the 217 km (135 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.
Which airlines fly nonstop from PDX to BFI?
Sun Country Airlines, with about 4.6 flights a day between them in our data (AeroDataBox, November 2026).