Cheap Flights from Oakland to Willamette Valley

View €60 flight on Mon, 1 Sep 2025Opens in a new window

Popular airlines from Oakland to Willamette Valley

  • Alaska Airlines

    Alaska Airlines

  • Spirit Airlines

    Spirit Airlines

  • Delta

    Delta

  • Southwest Airlines

    Southwest Airlines

  • Hawaiian Airlines

    Hawaiian Airlines

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Cheap flights from Oakland to Willamette Valley (SJC-RDM)

Prices were available within the past 7 days and start at €60 for one-way flights and €121 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 18 Sep - Mon, 22 Sep
SJC
San Jose
PDX
Portland
€121 Return, found 5 days ago
€121
Return
found 5 days ago
Select Delta flight, departing Thu, 18 Sep from San Jose to Portland, returning Mon, 22 Sep, priced at €121 found 5 days ago
Delta
Sat, 18 Oct - Mon, 20 Oct
SFO
San Francisco
PDX
Portland
€121 Return, found 5 days ago
€121
Return
found 5 days ago
Select Delta flight, departing Sat, 18 Oct from San Francisco to Portland, returning Mon, 20 Oct, priced at €121 found 5 days ago
American Airlines
Sat, 18 Oct - Mon, 20 Oct
SFO
San Francisco
PDX
Portland
€130 Return, found 5 days ago
€130
Return
found 5 days ago
Select American Airlines flight, departing Sat, 18 Oct from San Francisco to Portland, returning Mon, 20 Oct, priced at €130 found 5 days ago
Delta
Sat, 18 Oct - Mon, 20 Oct
SFO
San Francisco
PDX
Portland
€135 Return, found 5 days ago
€135
Return
found 5 days ago
Select Delta flight, departing Sat, 18 Oct from San Francisco to Portland, returning Mon, 20 Oct, priced at €135 found 5 days ago
United
Fri, 3 Oct - Mon, 6 Oct
SFO
San Francisco
PDX
Portland
€158 Return, found 3 days ago
€158
Return
found 3 days ago
Select United flight, departing Fri, 3 Oct from San Francisco to Portland, returning Mon, 6 Oct, priced at €158 found 3 days ago
Hawaiian Airlines
Sat, 18 Oct - Mon, 20 Oct
SFO
San Francisco
PDX
Portland
€1,096 Return, found 5 days ago
€1,096
Return
found 5 days ago
Select Hawaiian Airlines flight, departing Sat, 18 Oct from San Francisco to Portland, returning Mon, 20 Oct, priced at €1,096 found 5 days ago

Find the cheapest month to fly from Oakland (OAK) to Portland (PDX)

September is typically the cheapest month to fly

From €66 - €152 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.