Cheap Flights from Portland to San Diego

View €76 flight on Wed, 10 Sep 2025Opens in a new window

Popular airlines from Portland to San Diego

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Cheap flights from Portland to San Diego (PDX-SAN)

Prices were available within the past 7 days and start at €76 for one-way flights and €151 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 10 Sep - Sat, 20 Sep
PDX
Portland
SAN
San Diego
€151 Return, found 2 days ago
€151
Return
found 2 days ago
Select American Airlines flight, departing Wed, 10 Sep from Portland to San Diego, returning Sat, 20 Sep, priced at €151 found 2 days ago
Delta
Wed, 10 Sep - Sat, 20 Sep
PDX
Portland
SAN
San Diego
€152 Return, found 2 days ago
€152
Return
found 2 days ago
Select Delta flight, departing Wed, 10 Sep from Portland to San Diego, returning Sat, 20 Sep, priced at €152 found 2 days ago
American Airlines
Wed, 10 Sep - Sat, 20 Sep
PDX
Portland
CLD
Carlsbad
€152 Return, found 2 days ago
€152
Return
found 2 days ago
Select American Airlines flight, departing Wed, 10 Sep from Portland to Carlsbad, returning Sat, 20 Sep, priced at €152 found 2 days ago
United
Wed, 10 Sep - Sat, 20 Sep
PDX
Portland
SAN
San Diego
€181 Return, found 2 days ago
€181
Return
found 2 days ago
Select United flight, departing Wed, 10 Sep from Portland to San Diego, returning Sat, 20 Sep, priced at €181 found 2 days ago
JetBlue Airways
Thu, 14 Aug - Mon, 18 Aug
PDX
Portland
SAN
San Diego
€838 Return, found 2 days ago
€838
Return
found 2 days ago
Select JetBlue Airways flight, departing Thu, 14 Aug from Portland to San Diego, returning Mon, 18 Aug, priced at €838 found 2 days ago
Hawaiian Airlines
Wed, 10 Sep - Sat, 20 Sep
PDX
Portland
SAN
San Diego
€1,044 Return, found 2 days ago
€1,044
Return
found 2 days ago
Select Hawaiian Airlines flight, departing Wed, 10 Sep from Portland to San Diego, returning Sat, 20 Sep, priced at €1,044 found 2 days ago

Find the cheapest month to fly from Portland (PDX) to San Diego (SAN)

November is typically the cheapest month to fly

From €52 - €242 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.