New YorkSeattleDirect FlightsJFK–BFI
New York (John F. Kennedy International Airport) to Seattle (Boeing Field/King County International Airport).
Flight time from JFK to BFI is estimated at about 5h 34m, based on the 2,414-mile great-circle distance. Our current captured departure sample includes Scheduled across 3 captured airlines, with Alaska Airlines appearing most often in that sample.
Plan this routeAt a glance
| Est. flight time | Distance | Captured freq. | Type |
|---|---|---|---|
| ~5h 34m Estimated from great-circle distance — no tracked flights yet. | 2,414 mi | Scheduled From the current provider sample; confirm live timetables before booking. | Domestic |
Airlines on this route
Captured airlines for JFK to BFI
Our current provider sample includes Scheduled from JFK to BFI across 3 captured airlines.
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Alaska Airlines | Scheduled | Varies by schedule | — |
| Delta Air Lines | Scheduled | Varies by schedule | — |
| JetBlue | Scheduled | Varies by schedule | — |
Typical aircraft
Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for JFK to BFI, last seen June 15, 2026. Frequency uses 0 scheduled departures across 1 observed day; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.
Route FAQ
How long is the flight from JFK to BFI?
The JFK to BFI flight time is estimated at about 5h 34m from great-circle distance until enough tracked flights are available.
How far is JFK from BFI?
JFK to BFI is about 2,414 miles by air.
Which airlines fly from JFK to BFI?
Our current provider sample for JFK to BFI includes Alaska Airlines, Delta Air Lines, JetBlue. Confirm live timetables before booking.