Cheap flights from Portland to Northern Idaho

View AU$134 flight on Sat, 20 Sep. 2025Opens in a new window

Popular airlines from Portland to Northern Idaho

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    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Portland (PDX) to Northern Idaho (GEG)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, 20 Sep. - Wed, 24 Sep.
PDX
Portland
GEG
Spokane
AU$210 Return, found 10 hours ago
AU$210
Return
found 10 hours ago
Select Alaska Airlines flight, departing Sat, 20 Sep. from Portland to Spokane, returning Wed, 24 Sep., priced at AU$210 found 10 hours ago
Alaska Airlines
Sat, 20 Sep. - Wed, 24 Sep.
PDX
Portland
MSO
Missoula
AU$238 Return, found 10 hours ago
AU$238
Return
found 10 hours ago
Select Alaska Airlines flight, departing Sat, 20 Sep. from Portland to Missoula, returning Wed, 24 Sep., priced at AU$238 found 10 hours ago
Alaska Airlines
Sat, 20 Sep. - Wed, 24 Sep.
PDX
Portland
GEG
Spokane
AU$241 Return, found 10 hours ago
AU$241
Return
found 10 hours ago
Select Alaska Airlines flight, departing Sat, 20 Sep. from Portland to Spokane, returning Wed, 24 Sep., priced at AU$241 found 10 hours ago
Delta
Sat, 20 Sep. - Wed, 24 Sep.
PDX
Portland
MSO
Missoula
AU$282 Return, found 10 hours ago
AU$282
Return
found 10 hours ago
Select Delta flight, departing Sat, 20 Sep. from Portland to Missoula, returning Wed, 24 Sep., priced at AU$282 found 10 hours ago
United
Sat, 20 Sep. - Wed, 24 Sep.
PDX
Portland
MSO
Missoula
AU$344 Return, found 10 hours ago
AU$344
Return
found 10 hours ago
Select United flight, departing Sat, 20 Sep. from Portland to Missoula, returning Wed, 24 Sep., priced at AU$344 found 10 hours ago
American Airlines
Sat, 20 Sep. - Wed, 24 Sep.
PDX
Portland
MSO
Missoula
AU$784 Return, found 10 hours ago
AU$784
Return
found 10 hours ago
Select American Airlines flight, departing Sat, 20 Sep. from Portland to Missoula, returning Wed, 24 Sep., priced at AU$784 found 10 hours ago
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