Alaska Airlines flights from SEA to BOI
Find comprehensive Alaska Airlines flight information, schedules, and booking details for direct flights from SEA to 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)
SEA
BOI
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 Flight Schedule from SEA to 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
December 2025
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 1h 18m - 1h 44m.
Pricing patterns: June typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 13:00, 8:00, 11:00, offering more flight options and potentially better connections.
SEA - BOI flight price statistics
$168
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$156
Jan$268
Feb$168
Mar$163
Apr$179
May$138
Jun$138
Jul$138
Aug$178
Sep$138
Oct$178
Nov$178
DecAlaska Airlines Terminal Information
Terminal information for Alaska Airlines on this route is currently being updated. Please check back soon or contact the airports directly for terminal details.
Frequently Asked Questions about Alaska Airlines Flights
How many Alaska Airlines flights operate from SEA to BOI?
Alaska Airlines operates 7 flights from SEA to BOI.
What city does BOI airport serve?
BOI airport serves Boise.
How long is the Alaska Airlines flight from SEA to BOI?
The flight duration is approximately 1h 18m - 1h 44m.
What is the distance from SEA to 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.
What is the cheapest month to fly Alaska Airlines from SEA to BOI?
June is typically the cheapest month to fly Alaska Airlines on this route.
What is the average price for a Alaska Airlines flight from SEA to BOI?
The average price for a round-trip Alaska Airlines flight on this route is approximately $168. Prices can vary based on booking time and demand.
How many Alaska Airlines flights operate per week on this route?
Alaska Airlines operates approximately 115 flights per week from SEA to BOI.