Cheap flights from Portland to South Central Montana

View AU$260 flight on Fri, 8 Aug. 2025Opens in a new window

Popular airlines from Portland to South Central Montana

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Portland (PDX) to South Central Montana (BIL)

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
Fri, 8 Aug. - Tue, 12 Aug.
PDX
Portland
BZN
Bozeman
AU$458 Return, found 5 days ago
AU$458
Return
found 5 days ago
Select Alaska Airlines flight, departing Fri, 8 Aug. from Portland to Bozeman, returning Tue, 12 Aug., priced at AU$458 found 5 days ago
Alaska Airlines
Sat, 2 Aug. - Mon, 4 Aug.
PDX
Portland
BZN
Bozeman
AU$861 Return, found 15 hours ago
AU$861
Return
found 15 hours ago
Select Alaska Airlines flight, departing Sat, 2 Aug. from Portland to Bozeman, returning Mon, 4 Aug., priced at AU$861 found 15 hours ago
Alaska Airlines
Sat, 2 Aug. - Mon, 4 Aug.
PDX
Portland
BZN
Bozeman
AU$877 Return, found 15 hours ago
AU$877
Return
found 15 hours ago
Select Alaska Airlines flight, departing Sat, 2 Aug. from Portland to Bozeman, returning Mon, 4 Aug., priced at AU$877 found 15 hours ago
Alaska Airlines
Sat, 2 Aug. - Mon, 4 Aug.
PDX
Portland
BZN
Bozeman
AU$891 Return, found 15 hours ago
AU$891
Return
found 15 hours ago
Select Alaska Airlines flight, departing Sat, 2 Aug. from Portland to Bozeman, returning Mon, 4 Aug., priced at AU$891 found 15 hours ago
Delta
Sat, 2 Aug. - Mon, 4 Aug.
PDX
Portland
BZN
Bozeman
AU$923 Return, found 15 hours ago
AU$923
Return
found 15 hours ago
Select Delta flight, departing Sat, 2 Aug. from Portland to Bozeman, returning Mon, 4 Aug., priced at AU$923 found 15 hours ago
United
Sat, 2 Aug. - Mon, 4 Aug.
PDX
Portland
BZN
Bozeman
AU$929 Return, found 15 hours ago
AU$929
Return
found 15 hours ago
Select United flight, departing Sat, 2 Aug. from Portland to Bozeman, returning Mon, 4 Aug., priced at AU$929 found 15 hours ago

Find the cheapest month to fly from Portland (PDX) to Bozeman (BZN)

September is typically the cheapest month to fly

From AU$210 - AU$456 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.