Cheap Flights from Portland to San Diego

View €85 flight on Fri, 19 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 €85 for one-way flights and €169 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 19 Sep - Sun, 21 Sep
PDX
Portland
SAN
San Diego
€169 Return, found 4 days ago
€169
Return
found 4 days ago
Select Delta flight, departing Fri, 19 Sep from Portland to San Diego, returning Sun, 21 Sep, priced at €169 found 4 days ago
American Airlines
Sat, 4 Oct - Mon, 6 Oct
PDX
Portland
CLD
Carlsbad
€169 Return, found 2 days ago
€169
Return
found 2 days ago
Select American Airlines flight, departing Sat, 4 Oct from Portland to Carlsbad, returning Mon, 6 Oct, priced at €169 found 2 days ago
Delta
Wed, 3 Sep - Wed, 10 Sep
PDX
Portland
SAN
San Diego
€170 Return, found 3 days ago
€170
Return
found 3 days ago
Select Delta flight, departing Wed, 3 Sep from Portland to San Diego, returning Wed, 10 Sep, priced at €170 found 3 days ago
Delta
Fri, 19 Sep - Sun, 21 Sep
PDX
Portland
SAN
San Diego
€187 Return, found 4 days ago
€187
Return
found 4 days ago
Select Delta flight, departing Fri, 19 Sep from Portland to San Diego, returning Sun, 21 Sep, priced at €187 found 4 days ago
United
Fri, 19 Sep - Sun, 21 Sep
PDX
Portland
SAN
San Diego
€200 Return, found 4 days ago
€200
Return
found 4 days ago
Select United flight, departing Fri, 19 Sep from Portland to San Diego, returning Sun, 21 Sep, priced at €200 found 4 days ago
Hawaiian Airlines
Wed, 3 Sep - Wed, 10 Sep
PDX
Portland
SAN
San Diego
€1,122 Return, found 3 days ago
€1,122
Return
found 3 days ago
Select Hawaiian Airlines flight, departing Wed, 3 Sep from Portland to San Diego, returning Wed, 10 Sep, priced at €1,122 found 3 days ago

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

December is typically the cheapest month to fly

From €51 - €230 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.