Missoula Montana Airport
Missoula, United StatesMSO / KMSO
Regional airport · 14 direct destinations · 1 runway · longest runway 9,501 ft
32 °F · FogSource: METAR observation via the NOAA Aviation Weather Center
Route
Missoula → Seattle
MSO
MissoulaMissoula Montana Airport
MissoulaMissoula Montana AirportSEASeattleSeattle–Tacoma International Airport
SeattleSeattle–Tacoma International Airport- Distance
- 388 mi
- Estimated flight time
- ~1h 15m
Seattle is currently 1 hour behind Missoula.
Observed nonstop
How often does this route fly?
Frequency
A couple of times a day
On average around 2.5 flights a day, observed from October 2025 to September 2026.
- 2.5
- flights per day
- 3
- busiest month · Sep
- 2
- quietest month · Jul
- 1 hr 7 min
- measured flight time
- 2 / 12
- months seen
Through the year
Per day, month by month
- –Jan2026
- –Feb
- –Mar
- –Apr
- –May
- –Jun
- 2Jul
- –Aug
- 3Sep
- –Oct2025
- –Nov
- –Dec
In October 2025, November 2025, December 2025, January 2026, February 2026, March 2026 we saw less traffic at Missoula in general than usual; compare that month with care.
Airlines
Who flies it
Alaska Airlinesnow and then
Horizon Airnow and then
SkyWest Airlinesnow and then
Through the day
Departure times
Local time in Missoula. Most departures between 14:00 and 17:00.
- 00:00
- 01:00
- 02:00
- 03:00
- 04:00
- 05:00
- 06:00
- 07:00
- 08:00
- 09:00
- 10:00
- 11:00
- 12:00
- 13:00
- 14:00
- 15:00
- 16:00
- 17:00
- 18:00
- 19:00
- 20:00
- 21:00
- 22:00
- 23:00
Through the week
By weekday
- 0.2Mon
- 0.2Tue
- 0.2Wed
- 0.2Thu
- 0.2Fri
- 0.2Sat
- 0.2Sun
Fleet
Aircraft observed
- Embraer 175E75L38%
- Boeing 737-900B73935%
- Boeing 737 MAX 9B39M34%
- Boeing 737-800B7386%
- Boeing 737-700B7373%
All the numbers in a table
| Month | Per day | Seen | Airlines |
|---|---|---|---|
| January 2026 | Not seen in this month. | ||
| February 2026 | Not seen in this month. | ||
| March 2026 | Not seen in this month. | ||
| April 2026 | Not seen in this month. | ||
| May 2026 | Not seen in this month. | ||
| June 2026 | Not seen in this month. | ||
| July 2026 | 2 | 2 |
|
| August 2026 | Not seen in this month. | ||
| September 2026 | 3 | 63 |
|
| October 2025 | Not seen in this month. | ||
| November 2025 | Not seen in this month. | ||
| December 2025 | Not seen in this month. | ||
Airlines observed on this route
From observed callsign routes on MSO-SEA - not a booking guarantee.
About this route
- Domestic route: both airports are in the same country.
- The opposite direction has also been observed as a direct connection.
- Direct destinations observed from Missoula: 14.
- Direct destinations observed from Seattle: 132.
The airports on this route
Seattle–Tacoma International Airport
Seattle, United StatesSEA / KSEA
International hub · 132 direct destinations · 3 runways · longest runway 11,900 ft
50 °F · CloudySource: METAR observation via the NOAA Aviation Weather Center
About the route from Missoula to Seattle
The observed direct connection between Missoula Montana Airport (MSO) and Seattle–Tacoma International Airport (SEA) covers approximately 388 mi. The estimated flight time is around 1h 15m. Alaska Airlines, Horizon Air and SkyWest Airlines have been observed on this connection in the available route data.
Frequently asked questions about this route
- How far is Missoula from Seattle by air?
- The great-circle distance between Missoula Montana Airport and Seattle–Tacoma International Airport is approximately 388 mi.
- How long is the flight from Missoula to Seattle?
- Based on the distance, the estimated flight time is about 1h 15m. This is an estimate, not a schedule.
- Is there a direct connection from Missoula to Seattle?
- Yes, a direct connection between MSO and SEA has been observed in our route data.
- Which airlines have been observed on this route?
- In the available route data: Alaska Airlines, Horizon Air and SkyWest Airlines.
- How often is there a flight from Missoula to Seattle?
- On average around 2.5 flights a day, measured over twelve months (October 2025 to September 2026) in the flight archive, with 65 observed flights. Mainly Alaska Airlines, Horizon Air, SkyWest Airlines. That is an observation, not a timetable.
- What is the current time difference between Missoula and Seattle?
- Seattle is currently 1 hour behind Missoula.
Where this data comes from
The route data comes from the flight archive (ADS-B, adsb.lol): which connections actually flew over the last twelve full months and who flew them, combined with our own airport, runway, and airline datasets. It is reference data about observed routes - not a current timetable and no claim about bookability.
The frequency and aircraft on this page come from the flight archive (ADS-B, 12 months, October 2025 to September 2026), summarized per route per month. We do not see every flight, so it is a floor, not a count.
Route data updated on October 11, 2026.