Alaska Airlines flights from BOI to SEA
Find comprehensive Alaska Airlines flight information, schedules, and booking details for direct flights from BOI to SEA. Alaska Airlines operates 10-15 flights daily flights on this route.• Flight Duration: 1h 25m - 2h 11m (average flight time)• Distance: 400 miles (644 km) (air miles between airports)• Daily Flights: 10-15 flights (scheduled departures per day)
BOI
SEA
FLIGHT TIME
1h 25m - 2h 11m
FLIGHT DISTANCE
400 miles (644 km)
1h 37m - 1h 52m
06:09
21:42
400 miles (644 km)
January
1 (Show)
96
Alaska Airlines Flight Schedule from BOI to SEA
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
AS345 |  Alaska Airlines | 06:09 | 07:01:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
AS2347 | Alaska Airlines | 09:59 | 10:36:00 | Embraer 175 |
AS1497 | Alaska Airlines | 11:39 | 12:22:00 | Boeing 737MAX 9 Passenger |
AS2108 | Alaska Airlines | 12:46 | 13:23:00 | Embraer 175 |
AS2097 | Alaska Airlines | 15:08 | 15:45:00 | Embraer 175 |
AS2077 | Alaska Airlines | 16:38 | 17:15:00 | Embraer 175 |
AS468 | Alaska Airlines | 18:00 | 18:42:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
AS2352 | Alaska Airlines | 21:42 | 22:23:00 | 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 25m - 2h 11m.
Pricing patterns: January typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 6:00, 9:00, 11:00, offering more flight options and potentially better connections.
BOI - SEA flight price statistics
$186
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.
$136
Jan$263
Feb$163
Mar$163
Apr$478
May$138
Jun$138
Jul$138
Aug$138
Sep$138
Oct$138
Nov$198
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 BOI to SEA?
Alaska Airlines operates 8 flights from BOI to SEA.
What city does SEA airport serve?
SEA airport serves SeaTac.
How long is the Alaska Airlines flight from BOI to SEA?
The flight duration is approximately 1h 25m - 2h 11m.
What is the distance from BOI to SEA?
The distance is 400 miles (644 km).
What aircraft does Alaska Airlines use on this route?
Alaska Airlines uses Boeing 737-800 (winglets) Passenger/BBJ2, Embraer 175, Boeing 737MAX 9 Passenger 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 06:09 and the latest departs at 21:42.
What is the cheapest month to fly Alaska Airlines from BOI to SEA?
January is typically the cheapest month to fly Alaska Airlines on this route.
What is the average price for a Alaska Airlines flight from BOI to SEA?
The average price for a round-trip Alaska Airlines flight on this route is approximately $186. Prices can vary based on booking time and demand.
How many Alaska Airlines flights operate per week on this route?
Alaska Airlines operates approximately 96 flights per week from BOI to SEA.