BoiseSeattleDirect FlightsBOI–SEA
Boise (Boise Airport) to Seattle (Seattle-Tacoma International Airport).
Flight time from BOI to SEA is estimated at about 1h 24m, based on the 399-mile great-circle distance. Our current captured departure sample includes 15/day across 2 captured airlines, with Alaska Airlines appearing most often in that sample. Captured departure times run from 06:23 to 22:24 local time.
Plan this routeAt a glance
| Est. flight time | Distance | Captured freq. | Type |
|---|---|---|---|
| ~1h 24m Estimated from great-circle distance — no tracked flights yet. | 399 mi | 15/day From the current provider sample; confirm live timetables before booking. | Domestic |
Airlines on this route
Captured airlines for BOI to SEA
Our current provider sample includes 15/day from BOI to SEA across 2 captured airlines.
- First departure
- 06:23
- Last departure
- 22:24
- Cadence
- ~every 30 min
- Captured departures/day
- 28
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Alaska Airlines | 7-8/day | Embraer E-Jet, Boeing 737 · Seat map | 06:2306:3508:13 |
Aircraft on this route
Flying the other way?
SEA to BOI flights — 14-15/day on 2 airlines →Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for BOI to SEA, last seen June 15, 2026. Frequency uses 105 scheduled departures across 7 observed days; 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 BOI to SEA?
The BOI to SEA flight time is estimated at about 1h 24m from great-circle distance until enough tracked flights are available.
How far is BOI from SEA?
BOI to SEA is about 399 miles by air.
Which airlines fly from BOI to SEA?
Our current provider sample for BOI to SEA includes Alaska Airlines, Delta Air Lines. Confirm live timetables before booking.
What aircraft fly from BOI to SEA?
Aircraft captured in our current provider sample for BOI to SEA include Embraer E-Jet, Embraer E-Jet, Boeing 737.