Airlines with flights from Portland to Missoula

Alaska Airlines is the only airline with non-stop flights from Portland International to Missoula Intl and the flight time is 1 hour and 30 minutes. You can also connect with Alaska Airlines via Seattle with a flight time of 3 hours and 12 minutes.

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Schedules

Alaska Airlines

Non-stop with Alaska Airlines

  • Total flight time: 1 hour and 30 minutes
  • One World Alliance
  • Portland is a Alaska Airlines hub.
  • 9 flights per week
  • Embraer 175
  • First class available
PDX
Direct
MSO

The timetable & schedule information was updated at 2026-04-21

Alaska Airlines

Via Seattle with Alaska Airlines

  • Total flight time: 3h 12m - 5h 34m.
  • One World Alliance
  • Portland is a Alaska Airlines hub.
  • 227 flights per week
  • Embraer 175
PDX
 
Via SEA
 
MSO
 
Flight
Mon
Jun 22
Tue
Jun 23
Wed
Jun 24
Thu
Jun 25
Fri
Jun 26
Sat
Jun 27
Sun
Jun 28
AS2431
AS3101
05:00
05:00
05:00
05:00
05:00
05:00
05:00
AS499
AS3101
06:19
06:19
06:19
06:19
06:19
06:19
06:19
AS3431
AS697
10:35
10:35
10:35
10:35
10:35
10:35
10:35
AS2205
AS2123
13:48
13:48
----
13:48
13:48
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13:48
AS430
AS560
17:30
17:30
17:30
17:30
17:30
17:30
17:30
AS2313
AS560
19:38
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19:38
19:38
19:38
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19:38
SHOW RETURN SCHEDULE
CHECK PRICES FOR PDX - MSO

The timetable & schedule information was updated at 2026-04-21

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Flight data on this page was last updated on 2026-06-08