Direct flights from Seattle to Boise SEA → BOI
Alaska Airlines and Delta Air Lines operate nonstop flights from Seattle (SEA) to Boise (BOI). The nonstop flight takes around ~0h 48m, covering 398 miles (641 km) and operates multiple daily. Updated 28 June 2026.
SEA
→
BOI
Round trip
1 adult
Economy
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Alaska Airlines
AS
Delta Air Lines
DL
Departure Schedule next 7 days
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Frequently asked questions
Is there a direct flight from Seattle to Boise?
Yes, Alaska Airlines and Delta Air Lines operate nonstop flights from Seattle (SEA) to Boise (BOI).
Which airlines fly direct from Seattle to Boise?
Alaska Airlines, Delta Air Lines operate nonstop flights from Seattle to Boise.
How long is the flight from Seattle to Boise?
The nonstop flight from Seattle to Boise takes ~0h 48m (approximately 641 km).
How often do direct flights operate from Seattle to Boise?
Nonstop flights from Seattle to Boise operate multiple daily.