Cheap Flights from Portland to Half Moon Bay

View €59 flight on Sat, 23 Aug 2025Opens in a new window

Popular airlines from Portland to Half Moon Bay

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Cheap flights from Portland to Half Moon Bay (PDX-SJC)

Prices were available within the past 7 days and start at €59 for one-way flights and €135 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 16 Aug - Mon, 18 Aug
PDX
Portland
SFO
San Francisco
€135 Return, found 1 day ago
€135
Return
found 1 day ago
Select Delta flight, departing Sat, 16 Aug from Portland to San Francisco, returning Mon, 18 Aug, priced at €135 found 1 day ago
Delta
Sat, 23 Aug - Mon, 25 Aug
PDX
Portland
SJC
San Jose
€136 Return, found 6 days ago
€136
Return
found 6 days ago
Select Delta flight, departing Sat, 23 Aug from Portland to San Jose, returning Mon, 25 Aug, priced at €136 found 6 days ago
Delta
Fri, 8 Aug - Mon, 11 Aug
PDX
Portland
SFO
San Francisco
€147 Return, found 3 days ago
€147
Return
found 3 days ago
Select Delta flight, departing Fri, 8 Aug from Portland to San Francisco, returning Mon, 11 Aug, priced at €147 found 3 days ago
United
Thu, 14 Aug - Sun, 17 Aug
PDX
Portland
SFO
San Francisco
€175 Return, found 23 hours ago
€175
Return
found 23 hours ago
Select United flight, departing Thu, 14 Aug from Portland to San Francisco, returning Sun, 17 Aug, priced at €175 found 23 hours ago
American Airlines
Thu, 14 Aug - Sun, 17 Aug
PDX
Portland
SFO
San Francisco
€186 Return, found 23 hours ago
€186
Return
found 23 hours ago
Select American Airlines flight, departing Thu, 14 Aug from Portland to San Francisco, returning Sun, 17 Aug, priced at €186 found 23 hours ago
Hawaiian Airlines
Thu, 14 Aug - Sun, 17 Aug
PDX
Portland
SFO
San Francisco
€1,297 Return, found 23 hours ago
€1,297
Return
found 23 hours ago
Select Hawaiian Airlines flight, departing Thu, 14 Aug from Portland to San Francisco, returning Sun, 17 Aug, priced at €1,297 found 23 hours ago

Find the cheapest month to fly from Portland (PDX) to San Francisco (SFO)

September is typically the cheapest month to fly

From €41 - €125 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.