Seattle to Missoula (SEA–MSO) — Airlines, Schedules & Connections

SEA Airport Page →
388 mi airlines 37/wk
On-time Some delays Frequent delays
Flight Schedule 13 flights Verified 30m ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
AS2138
AS Alaska
E75L
9:55 AM
MDT
12:21 PM
MDT
1h 26m
M T W T F S S
Prices
AS3064
AS Alaska
E75
9:59 AM
MDT
12:31 PM
MDT
1h 32m
M T W T F S S
Prices
AS518
AS Alaska
73G
1:08 PM
MDT
3:35 PM
MDT
1h 27m
M T W T F S S
Prices
AS2160
AS Alaska
E75
1:15 PM
MDT
3:40 PM
MDT
1h 25m
M T W T F S S
Prices
AS139
AS Alaska
73J
9:29 PM
MDT
11:59 PM
MDT
1h 30m
M T W T F S S
Prices
AS664
AS Alaska
73J
9:29 PM
MDT
11:57 PM
MDT
1h 28m
M T W T F S S
Prices
BA7580
BA British
7M9
6:23 AM
MDT
7:09 AM
MDT
1h 46m
M T W T F S S
Prices
AS138
AS Alaska
73J
6:23 AM
MDT
7:09 AM
MDT
1h 46m
M T W T F S S
Prices
AS665
AS Alaska
73J
7:00 AM
MDT
7:41 AM
MDT
1h 41m
M T W T F S S
Prices
AS146
AS Alaska
73H
7:00 AM
MDT
7:41 AM
MDT
1h 41m
M T W T F S S
Prices
AS2136
AS Alaska
E75
1:39 PM
MDT
2:14 PM
MDT
1h 35m
M T W T F S S
Prices
AS2160
AS Alaska
E75
4:20 PM
MDT
4:55 PM
MDT
1h 35m
M T W T F S S
Prices
AS518
AS Alaska
73G
4:23 PM
MDT
5:00 PM
MDT
1h 37m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Seattle to Missoula
1 carrier, 37 flights/week nonstop.
1 Airlines 37 Flights/wk 388 mi 1h 25m nonstop 14 1-stop hubs

SEA–MSO is served by 1 airline with nonstop service. Alaska Airlines leads the route. The flight covers 388 miles in approximately 1h 25m. Beyond nonstop, 14 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop SEA–MSO service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines 37 73G, 73J, E75, E75L 1h25-1h32 74% Oneworld
Aircraft on this route
73G Boeing 737-700 – AS
73J Boeing 737-900ER – AS
E75 Embraer E175 – AS
E75L Embraer E175 Long Wing – AS
Alliance coverage
Oneworld: AS (37 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, SEA to MSO direction.
Mon
6
flights
Tue
6
flights
Wed
4
flights
Thu
4
flights
Fri
6
flights
Sat
5
flights
Sun
6
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
6
Nonstop flights
37
Outbound / wk
42
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SEA to MSO.
1-STOP
One-Stop Connections
14
Hubs
~3h
Fastest
~25h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
619
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
SEA → MSO
74%
Moderate delays possible. Allow buffer time.
Departing
74%
Return
MSO → SEA
100%
Generally reliable. Most flights run on time.
Arriving
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SEA delays →

Travel Essentials

Practical planning for this route.
Time Difference
0h
Missoula is 0 hours the same as Seattle.
SEA: MDT · MSO: MDT

When it's 6:00 PM in Seattle, it's 6:00 PM in Missoula.
Distance & Flight Time
388 mi / 624 km
Nonstop flight time is approximately 1h 25m to 1h 32m.
Getting to SEA

Link Light Rail runs from downtown Seattle (Westlake station) to the airport in 38 minutes ($3.50 peak). Trains run every 6–12 minutes during peak hours from 5am to 1am. Ride-shares run $30–50 from downtown; SR-99 and I-5 can be heavily congested southbound during afternoon rush (3–7pm).

Sound Transit 574 express bus serves Tacoma ($2.50–4). Sounder commuter rail connects Tacoma to the airport area via a shuttle.

SEA–MSO Quick Facts

Key statistics for the Seattle to Missoula route.
Route details
Distance388 mi / 624 km
Flight time1h 25m to 1h 32m
Time difference0 hours
Airlines (nonstop)1
Weekly flights37 out / 42 return
1-stop connections14 hubs
Origin: SEA
IATA / ICAOSEA / KSEA
TimezoneAmerica/Boise
Passengers/yr52.6M
Elevation433 ft / 132 m
Destination: MSO
IATA / ICAOMSO / KMSO
TimezoneAmerica/Boise
Passengers/yr1.0M
Elevation3,206 ft / 977 m

Frequently Asked Questions

Common questions about SEA to MSO flights.
Nonstop flights from Seattle–Tacoma International Airport to Missoula Montana Airport take approximately 1h 25m to 1h 32m. The route covers 388 miles.
1 airline operates nonstop service: Alaska Airlines.
There are approximately 37 nonstop flights per week from SEA to MSO. The return direction has about 42 weekly flights.
Yes, 1-stop connections are available through PSC, ELP, CMH, BZN, JFK, MSP, DFW, PDX, SLC, GTF, DEN, SFO, LAS and ORD. These options provide additional schedule flexibility.
Yes, return flights from MSO to SEA are available. Use the direction toggle at the top to view the return schedule.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from SEA to MSO

Seattle–Tacoma International Airport (SEA) and Missoula Montana Airport (MSO) are connected by nonstop service from Alaska Airlines. With 37 weekly departures, this is a heavily served route.

SEA to MSO Flight Duration and Schedule

Nonstop flight time from SEA to MSO ranges from 1 hours 25 minutes to 1 hours 32 minutes. The route covers a distance of 388 miles (624 km). There are approximately 37 weekly flights outbound and 42 return, totaling 79 flights per week in both directions.

Connecting Options and Alternatives

14 one-stop connections are available, with the fastest taking approximately 3 hours via PSC. Two-stop connections are also available via intermediate hubs.