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

MSO Airport Page →
388 mi airlines 98/wk
On-time Some delays Frequent delays
Flight Schedule 26 flights Verified 3h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
BA7580cs
BA British
7M9
6:23 AM
MDT
7:09 AM
PDT
1h 46m
M T W T F S S
Prices
JL6327+2
JL Japan
739
7:00 AM
MDT
7:41 AM
PDT
1h 41m
M T W T F S S
Prices
AS2136+2
AS Alaska
E75
7:00 AM
MDT
7:36 AM
PDT
1h 36m
M T W T F S S
Prices
QR2086cs
QR Qatar
73H
7:00 AM
MDT
7:41 AM
PDT
1h 41m
M T W T F S S
Prices
KE6040+2
KE Korean
739
7:00 AM
MDT
7:41 AM
PDT
1h 41m
M T W T F S S
Prices
AS1481
AS Alaska
73J
7:45 AM
MDT
8:29 AM
PDT
1h 44m
M T W T F S S
Prices
QR2116
QR Qatar
7M9
7:45 AM
MDT
8:29 AM
PDT
1h 44m
M T W T F S S
Prices
QR2081+1
QR Qatar
E75L
1:53 PM
MDT
2:34 PM
PDT
1h 41m
M T W T F S S
Prices
AS3320
AS Alaska
E75L
1:59 PM
MDT
2:43 PM
PDT
1h 44m
M T W T F S S
Prices
AS2166
AS Alaska
E75
2:03 PM
MDT
2:36 PM
PDT
1h 33m
M T W T F S S
Prices
QR2121
QR Qatar
E75
2:03 PM
MDT
2:36 PM
PDT
1h 33m
M T W T F S S
Prices
FI7723cs
FI Icelandair
73J
3:55 PM
MDT
4:30 PM
PDT
1h 35m
M T W T F S S
Prices
AS660+1
AS Alaska
73J
3:55 PM
MDT
4:30 PM
PDT
1h 35m
M T W T F S S
Prices
AS2160+5
AS Alaska
E75
8:02 PM
MDT
8:35 PM
PDT
1h 33m
M T W T F S S
Prices
AS2165
AS Alaska
E75
9:50 AM
PDT
12:16 PM
MDT
1h 26m
M T W T F S S
Prices
AS2052
AS Alaska
E75
9:55 AM
PDT
12:28 PM
MDT
1h 33m
M T W T F S S
Prices
AS660+1
AS Alaska
7M8
12:13 PM
PDT
2:59 PM
MDT
1h 46m
M T W T F S S
Prices
QR3339
QR Qatar
E75
4:57 PM
PDT
7:22 PM
MDT
1h 25m
M T W T F S S
Prices
FI7723+1
FI Icelandair
E75
4:57 PM
PDT
7:22 PM
MDT
1h 25m
M T W T F S S
Prices
AS2160+5
AS Alaska
E75
4:57 PM
PDT
7:22 PM
MDT
1h 25m
M T W T F S S
Prices
QR3346
QR Qatar
E75
4:57 PM
PDT
7:22 PM
MDT
1h 25m
M T W T F S S
Prices
AS2478
AS Alaska
E75
9:24 PM
PDT
11:50 PM
MDT
1h 26m
M T W T F S S
Prices
QR3336
QR Qatar
73J
9:28 PM
PDT
11:59 PM
MDT
1h 31m
M T W T F S S
Prices
AS1330
AS Alaska
73J
9:28 PM
PDT
11:59 PM
MDT
1h 31m
M T W T F S S
Prices
QR3403+2
QR Qatar
73J
9:29 PM
PDT
11:57 PM
MDT
1h 28m
M T W T F S S
Prices
KE6039cs
KE Korean
73J
9:29 PM
PDT
11:57 PM
MDT
1h 28m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Missoula to Seattle
1 carrier, 98 flights/week nonstop.
1 Airlines 98 Flights/wk 388 mi 1h 33m nonstop -1h behind 18 1-stop hubs

MSO–SEA is served by 1 airline with nonstop service. Alaska Airlines leads the route. The flight covers 388 miles in approximately 1h 33m. Beyond nonstop, 18 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop MSO–SEA service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines Also: BA, FI, HA, JL, KE, QR 42 73J, E75, E75L 1h33-1h44 Oneworld BA, FI, HA, JL, KE, QR
Aircraft on this route
739 Boeing 737-900 – JL, KE
73H Boeing 737-800 (Winglets) – QR
73J Boeing 737-900ER – AS, FI
7M9 Boeing 737 MAX 9 – BA, QR
E75 Embraer E175 – AS, QR
E75L Embraer E175 Long Wing – AS, QR
Alliance coverage
Oneworld: AS (42 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, MSO to SEA direction.
Mon
14
flights
Tue
14
flights
Wed
14
flights
Thu
14
flights
Fri
14
flights
Sat
14
flights
Sun
14
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
14
Nonstop flights
98
Outbound / wk
83
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for MSO to SEA.
1-STOP
One-Stop Connections
18
Hubs
~5h
Fastest
~24h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
884
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.

Other ways to reach Seattle from Missoula

Nearby airports with service to Seattle–Tacoma International Airport.
Metric MSO→SEA FCA→SEA BTM→SEA
Distance from MSO 97 mi 101 mi
Nonstop airlines 1 5 1
Weekly flights 98 77 1
Flight time 1h 33m 1h 30m 1h 18m
Airports within 200 miles of MSO with service to Seattle–Tacoma International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
-1h
Seattle is 1 hour behind Missoula.
MSO: MDT · SEA: PDT

When it's 6:00 PM in Missoula, it's 5:00 PM in Seattle.
Distance & Flight Time
388 mi / 624 km
Nonstop flight time is approximately 1h 33m to 1h 46m.
Getting from SEA

Link Light Rail from the airport station (inside the terminal) to downtown Seattle takes 38 minutes ($3.50). No transfers needed; trains run 5am to 1am daily.Taxis and ride-shares to downtown cost $35–55. For Bellevue and Eastside destinations (across Lake Washington), ride-share is faster than Link. Car rentals are in the consolidated rental facility; take the free shuttle from baggage claim. Sound Transit buses serve Tacoma, Renton, and Federal Way.

Seattle Climate

Marine west coast climate. Winters are mild but persistently grey and rainy (3–9°C). Snow is rare at sea level but can occur December through February, causing significant disruptions when it does. The airport sits between Seattle and Tacoma in an area that receives more fog and low cloud than downtown Seattle.

Summers are famously pleasant (18–25°C) with low humidity and mostly clear skies, one of the best flying climates in the US from June through September. The wettest months are November through January.

MSO–SEA Quick Facts

Key statistics for the Missoula to Seattle route.
Route details
Distance388 mi / 624 km
Flight time1h 33m to 1h 46m
Time difference-1 hour
Airlines (nonstop)1
Weekly flights98 out / 83 return
1-stop connections18 hubs
Origin: MSO
IATA / ICAOMSO / KMSO
TimezoneAmerica/Denver
Passengers/yr1.0M
Elevation3,206 ft / 977 m
Destination: SEA
IATA / ICAOSEA / KSEA
TimezoneAmerica/Los_Angeles
Passengers/yr52.6M
Elevation433 ft / 132 m

Frequently Asked Questions

Common questions about MSO to SEA flights.
Nonstop flights from Missoula Montana Airport to Seattle–Tacoma International Airport take approximately 1h 33m to 1h 46m. The route covers 388 miles.
1 airline operates nonstop service: Alaska Airlines. Plus 6 codeshare partners.
There are approximately 98 nonstop flights per week from MSO to SEA. The return direction has about 83 weekly flights.
Yes, 1-stop connections are available through SJC, GEG, BOI, BUR, AZA, MDW, LAS, SLC, DFW, MSP, DEN, PDX, ORD, HND, SNA, SFO, LAX and GTF. These options provide additional schedule flexibility.
Seattle is 1 hour behind Missoula.
Yes, return flights from SEA to MSO are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include FCA, BTM and HLN. See the Alternatives section for a full comparison.
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 MSO to SEA

Missoula Montana Airport (MSO) and Seattle–Tacoma International Airport (SEA) are connected by nonstop service from Alaska Airlines. With 98 weekly departures, this is a heavily served route.

MSO to SEA Flight Duration and Schedule

Nonstop flight time from MSO to SEA ranges from 1 hours 33 minutes to 1 hours 46 minutes. The route covers a distance of 388 miles (624 km). There are approximately 98 weekly flights outbound and 83 return, totaling 181 flights per week in both directions.

Connecting Options and Alternatives

18 one-stop connections are available, with the fastest taking approximately 5 hours via SJC. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Kalispell (FCA), Butte (BTM) and Helena (HLN).