DenverSeattleDirect FlightsDEN–BFI
Denver (Denver International Airport) to Seattle (Boeing Field/King County International Airport).
Flight time from DEN to BFI is estimated at about 2h 42m, based on the 1,024-mile great-circle distance. Our current captured departure sample includes weekly across 4 captured airlines, with Alaska Airlines appearing most often in that sample. Captured departure times run from 12:20 to 12:20 local time.
Plan this routeAt a glance
| Est. flight time | Distance | Captured freq. | Type |
|---|---|---|---|
| ~2h 42m Estimated from great-circle distance — no tracked flights yet. | 1,024 mi | weekly From the current provider sample; confirm live timetables before booking. | Domestic |
Airlines on this route
Captured airlines for DEN to BFI
Our current provider sample includes weekly from DEN to BFI across 4 captured airlines.
- First departure
- 12:20
- Last departure
- 12:20
- Captured departures/day
- 1
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Alaska Airlines | weekly | Boeing 737 · Seat map | 12:20 |
| Delta Air Lines | weekly |
Aircraft on this route
Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for DEN to BFI, last seen June 15, 2026. Frequency uses 2 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 DEN to BFI?
The DEN to BFI flight time is estimated at about 2h 42m from great-circle distance until enough tracked flights are available.
How far is DEN from BFI?
DEN to BFI is about 1,024 miles by air.
Which airlines fly from DEN to BFI?
Our current provider sample for DEN to BFI includes Alaska Airlines, Delta Air Lines, Frontier Airlines, Southwest Airlines. Confirm live timetables before booking.
What aircraft fly from DEN to BFI?
Aircraft captured in our current provider sample for DEN to BFI include Boeing 737, Boeing 757.