Flights operate between Seattle (SEA) and Boise (BOI).
1 airline operates 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
Flight Frequency
Daily Flights
9-15 flights
Weekly Flights
115
Typical Departure Time Ranges
Earliest Departure
08:11
Latest Departure
21:17
Route Intelligence Dashboard
Overall Connectivity Score
70
GoodRoute Diversity
1
Direct Routes
Alaska Airlines serves 1 destination from SEA
Weekly Frequency
49
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| SEA → Boise (BOI) (BOI) | 49/week | 1h 18m - 1h 44m | 400 km | Very Stable |
Flight Schedule & Filters
Alaska Airlines flights from SeaTac (SEA) to Boise (BOI)
Alaska Airlines operates scheduled nonstop flights between SeaTac (SEA) and Boise (BOI). Alaska Airlines operates 9-15 flights daily flights on this route.• 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 34m
08:11
21:17
400 miles (644 km)
June
1 (Show)
115
Alaska Airlines Terminal Information & Contact
Departure Terminal - SeaTac (SEA)
Terminal: 1
Phone: 1-800-252-7522
Location: 1, Seattle, US
Arrival Terminal - Boise (BOI)
Terminal: 1
Phone: 1-800-252-7522
Location: 1, Boise, US
Alaska Airlines Flight Schedule from SeaTac (SEA) to Boise (BOI)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
AS1486 |  Alaska Airlines | 08:11 | 10:45:00 | Boeing 737MAX 9 Passenger |
AS3385 | Alaska Airlines | 11:22 | 13:49:00 | Embraer 175 |
AS467 | Alaska Airlines | 13:11 | 15:34:00 | Boeing 737-900 (winglets) Passenger/BBJ3 |
AS2076 | Alaska Airlines | 13:35 | 15:58:00 | Embraer 175 |
AS2326 | Alaska Airlines | 15:55 | 18:17:00 | Embraer 175 |
AS2109 | Alaska Airlines | 18:40 | 21:02:00 | Embraer 175 |
AS2365 | Alaska Airlines | 21:17 | 23:39:00 | Embraer 175 |
Alaska Airlines Monthly Flight Calendar
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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 airportAlaska Airlines Terminal Information
Departure Terminal at SeaTac (SEA):
• Terminal : Alaska Airlines operates from this terminal
Terminal 1:
• Alaska Airlines Terminal Phone: 1-800-252-7522
Arrival Terminal at Boise (BOI):
• Terminal : Alaska Airlines operates from this terminal
Terminal 1:
• Alaska Airlines Terminal Phone: 1-800-252-7522
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
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
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
Best Months to Fly Alaska Airlines to Boise (BOI)
Best Months
Optimal conditions for travel with favorable weather, prices, and availability.
Shoulder Season
Transition periods with moderate conditions. Good balance of price and experience.
Seasonal Insight
Best travel months: 2025-06, 2025-07, 2025-08, 2025-09
Seasonal Travel Calendar
Alaska Airlines Contact Information and Customer Services
Alaska Airlines Address
P.O. Box 68900
Seattle, WA 98168, USA
Customer Service Phone
+1 800 654 5669Official Website
alaskaair.com/Frequently Asked Questions
How many Alaska Airlines flights operate from Seattle (SEA) to Boise (BOI)?
Alaska Airlines operates 7 flights from Seattle (SEA) to Boise (BOI).
What city does Boise (BOI) airport serve?
Boise (BOI) airport serves Boise, US.
How long is the Alaska Airlines flight from Seattle (SEA) to Boise (BOI)?
The flight duration is approximately 1h 18m - 1h 44m.
What is the distance from Seattle (SEA) to Boise (BOI)?
The distance is 400 miles (644 km).
What aircraft does Alaska Airlines use on this route?
Alaska Airlines uses Boeing 737MAX 9 Passenger, Embraer 175, Boeing 737-900 (winglets) Passenger/BBJ3 on this route.
Which other airlines operate on this route?
1 other airline operates on this route: Delta Air Lines.
What are the earliest and latest Alaska Airlines flight departure times?
The earliest Alaska Airlines flight departs at 08:11 and the latest departs at 21:17.
View all Alaska Airlines flights to Seattle (SEA) →
Popular Alaska Airlines routes from Seattle include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.