Flights operate between Seattle (SEA) and Boise (BOI).
2 airlines operate this route with 9-15 flights daily flights.
Average flight time is 1h 18m - 1h 44m.
Route distance is 400 miles (644 km).
Route Distance
400 miles (644 km)
Average Duration
1h 18m - 1h 44m
Airlines Operating This Route
Alaska Airlines, Delta Air Lines
Flight Frequency
Daily Flights
9-15 flights
Weekly Flights
115
Typical Departure Time Ranges
Earliest Departure
08:11
Latest Departure
21:35
Flight Schedule & Filters
Flight Schedule Calendar
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Direct (non-stop) flights from SeaTac (SEA) to Boise (BOI)
Direct (non-stop) flights operate between SeaTac (SEA) and Boise (BOI). This popular route is operated by 2 airlines, offering multiple daily departures.• Flight Duration: 1h 18m - 1h 44m (average flight time)• Distance: 400 miles (644 km) (air miles between airports)• Daily Flights: 9-15 flights (scheduled departures per day)
SeaTac (SEA)
US
Boise (BOI)
US
FLIGHT TIME
1h 18m - 1h 44m
FLIGHT DISTANCE
400 miles (644 km)
1h 22m - 1h 37m
08:11
21:35
400 miles (644 km)
June
2 (Show)
115
Flight Schedule
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Airlines with direct flights from SeaTac (SEA) to Boise (BOI)
Weather at Boise (BOI)
Weather & Climate at Boise (BOI)
11.8°C
Avg Temperature32mm
Avg Rainfall10.8km/h
Avg Wind Speed54%
Avg HumidityBest Months to Visit
Challenging Months
12-Month Weather Overview
Wind Speed by Month
Humidity by Month
Booking Insights
Best Time to Book Flights to Boise (BOI)
Best Booking Window
Book 2-3 months in advance for best prices
Booking Tip
Avoid booking during extreme weather months for better deals
Recommended Months
These months offer the best balance of weather, prices, and availability.
Monthly Booking Recommendations
Price Trends
Flight Price Trends for Boise (BOI)
Cheapest Months to Fly
Book flights during these months for the best deals and lowest prices.
Price Trend Analysis
Prices are typically lower during shoulder seasons
Monthly Price Trends
Things to Do Near BOI Airport
Residence Inn Boise Downtown
5.3 km from airportIdaho Aquarium
5.6 km from airportBond Hotel & Extended Stay
6.5 km from airportFrank Steunenberg Statue
7.0 km from airportMarianne Williams Park Picnic Area
8.1 km from airportFrequently Asked Questions
Do flights operate between SEA and BOI?
Yes. 14 direct flights operate between Seattle (SEA) and Boise (BOI).
Which airlines operate this route?
2 airlines operate this route: Alaska Airlines, Delta Air Lines.
How many flights operate daily?
9-15 flights flights operate daily on this route.
What is the average flight duration?
The average flight duration is 1h 18m - 1h 44m.
Is this route operated year-round?
This route operates with 9-15 flights daily flights.
Route data verified regularly by Triposia Travel Research Team.