Nonstop flights from Seattle to Boise
2 airlines fly this route, with up to 15 flights a day.
When they leave
Seattle timeSeven in the morning, 7:04 AM to 11:36 AM, then seven in the afternoon, 12:35 PM to 4:10 PM, then eight in the evening, 5:40 PM to 9:31 PM.
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Earliest first
Schedules last checked Sep 19, 2026. Times are local.
Flying from Seattle to Boise
Alaska Airlines flies most often, 7 to 9 times a day on the Boeing 737, Embraer 175, Boeing 737 MAX 8 and Boeing 737 MAX 9. Delta Air Lines flies 6 to 7 times a day on the Embraer 175.
Flights run every day of the week, from 13 on Wednesdays and Saturdays to 15 on Mondays, Tuesdays, Thursdays, Fridays and Sundays. The first arrival in Boise is at 9:37 AM and the last at 12:04 AM the next day. The flight covers 398 miles.
Flying back, Boise to Seattle has 100 nonstop flights a week.
Return flights
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Find the cheapest day to fly from Seattle to Boise.
Schedules as of Oct 9, 2026.