Cheap Flights from Portland to San Diego

View €66 flight on Thu, 14 Aug 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 €66 for one-way flights and €184 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 31 Jul - Mon, 4 Aug
PDX
Portland
SAN
San Diego
€184 Return, found 3 days ago
€184
Return
found 3 days ago
Select Delta flight, departing Thu, 31 Jul from Portland to San Diego, returning Mon, 4 Aug, priced at €184 found 3 days ago
American Airlines
Thu, 31 Jul - Mon, 4 Aug
PDX
Portland
SAN
San Diego
€194 Return, found 3 days ago
€194
Return
found 3 days ago
Select American Airlines flight, departing Thu, 31 Jul from Portland to San Diego, returning Mon, 4 Aug, priced at €194 found 3 days ago
Delta
Thu, 31 Jul - Mon, 4 Aug
PDX
Portland
SAN
San Diego
€210 Return, found 3 days ago
€210
Return
found 3 days ago
Select Delta flight, departing Thu, 31 Jul from Portland to San Diego, returning Mon, 4 Aug, priced at €210 found 3 days ago
Delta
Thu, 31 Jul - Mon, 4 Aug
PDX
Portland
SAN
San Diego
€211 Return, found 3 days ago
€211
Return
found 3 days ago
Select Delta flight, departing Thu, 31 Jul from Portland to San Diego, returning Mon, 4 Aug, priced at €211 found 3 days ago
American Airlines
Thu, 31 Jul - Mon, 4 Aug
PDX
Portland
SAN
San Diego
€220 Return, found 3 days ago
€220
Return
found 3 days ago
Select American Airlines flight, departing Thu, 31 Jul from Portland to San Diego, returning Mon, 4 Aug, priced at €220 found 3 days ago
United
Thu, 31 Jul - Mon, 4 Aug
PDX
Portland
SAN
San Diego
€256 Return, found 3 days ago
€256
Return
found 3 days ago
Select United flight, departing Thu, 31 Jul from Portland to San Diego, returning Mon, 4 Aug, priced at €256 found 3 days ago

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

November is typically the cheapest month to fly

From €51 - €253 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.