Alaska Airlines flights from SEA to MSO
Find comprehensive Alaska Airlines flight information, schedules, and booking details for direct flights from SEA to MSO. Alaska Airlines operates 2-3 flights daily flights on this route.• Flight Duration: 1h 18m - 1h 37m (average flight time)• Distance: 389 miles (626 km) (air miles between airports)• Daily Flights: 2-3 flights (scheduled departures per day)
SEA
MSO
FLIGHT TIME
1h 18m - 1h 37m
FLIGHT DISTANCE
389 miles (626 km)
1h 24m - 1h 29m
09:01
21:21
389 miles (626 km)
November
1 (Show)
20
Alaska Airlines Flight Schedule from SEA to MSO
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
AS2219 |  Alaska Airlines | 09:01 | 11:25:00 | Embraer 175 |
AS660 | Alaska Airlines | 13:05 | 15:32:00 | Boeing 737-700 Passenger |
AS1471 | Alaska Airlines | 21:21 | 23:50:00 | Boeing 737MAX 9 Passenger |
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 37m.
Pricing patterns: November typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 9:00, 13:00, 21:00, offering more flight options and potentially better connections.
SEA - MSO flight price statistics
$374
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.
$257
Jan$418
Feb$378
Mar$277
Apr$291
May$561
Jun$738
Jul$418
Aug$438
Sep$218
Oct$198
Nov$298
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 MSO?
Alaska Airlines operates 3 flights from SEA to MSO.
What city does MSO airport serve?
MSO airport serves Missoula.
How long is the Alaska Airlines flight from SEA to MSO?
The flight duration is approximately 1h 18m - 1h 37m.
What is the distance from SEA to MSO?
The distance is 389 miles (626 km).
What aircraft does Alaska Airlines use on this route?
Alaska Airlines uses Embraer 175, Boeing 737-700 Passenger, Boeing 737MAX 9 Passenger on this route.
What are the earliest and latest Alaska Airlines flight departure times?
The earliest Alaska Airlines flight departs at 09:01 and the latest departs at 21:21.
What is the cheapest month to fly Alaska Airlines from SEA to MSO?
November 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 MSO?
The average price for a round-trip Alaska Airlines flight on this route is approximately $374. Prices can vary based on booking time and demand.
How many Alaska Airlines flights operate per week on this route?
Alaska Airlines operates approximately 20 flights per week from SEA to MSO.