SeattleBoiseDirect FlightsSEA–BOI
Seattle (Seattle-Tacoma International Airport) to Boise (Boise Airport).
Flight time from SEA to BOI is estimated at about 1h 24m, based on the 399-mile great-circle distance. Our current captured departure sample includes 14-15/day across 2 captured airlines, with Alaska Airlines appearing most often in that sample. Captured departure times run from 07:07 to 21:31 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 | 14-15/day From the current provider sample; confirm live timetables before booking. | Domestic |
Airlines on this route
Captured airlines for SEA to BOI
Our current provider sample includes 14-15/day from SEA to BOI across 2 captured airlines.
- First departure
- 07:07
- Last departure
- 21:31
- Cadence
- ~every 30 min
- Captured departures/day
- 26
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Alaska Airlines | 7-8/day | Embraer E-Jet, Boeing 737 · Seat map | 07:0708:2609:59 |
Aircraft on this route
Flying the other way?
BOI to SEA flights — 15/day on 2 airlines →Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for SEA to BOI, last seen June 15, 2026. Frequency uses 100 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 SEA to BOI?
The SEA to BOI flight time is estimated at about 1h 24m from great-circle distance until enough tracked flights are available.
How far is SEA from BOI?
SEA to BOI is about 399 miles by air.
Which airlines fly from SEA to BOI?
Our current provider sample for SEA to BOI includes Alaska Airlines, Delta Air Lines. Confirm live timetables before booking.
What aircraft fly from SEA to BOI?
Aircraft captured in our current provider sample for SEA to BOI include Embraer E-Jet, Embraer E-Jet, Boeing 737.