Cheap Flights from Portland to San Diego

View €69 flight on Sat, 27 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 €69 for one-way flights and €137 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 27 Sep - Mon, 29 Sep
PDX
Portland
CLD
Carlsbad
€137 Return, found 3 days ago
€137
Return
found 3 days ago
Select American Airlines flight, departing Sat, 27 Sep from Portland to Carlsbad, returning Mon, 29 Sep, priced at €137 found 3 days ago
Delta
Sat, 27 Sep - Mon, 29 Sep
PDX
Portland
SAN
San Diego
€137 Return, found 3 days ago
€137
Return
found 3 days ago
Select Delta flight, departing Sat, 27 Sep from Portland to San Diego, returning Mon, 29 Sep, priced at €137 found 3 days ago
Delta
Sat, 27 Sep - Mon, 29 Sep
PDX
Portland
SAN
San Diego
€172 Return, found 3 days ago
€172
Return
found 3 days ago
Select Delta flight, departing Sat, 27 Sep from Portland to San Diego, returning Mon, 29 Sep, priced at €172 found 3 days ago
Delta
Sat, 27 Sep - Mon, 29 Sep
PDX
Portland
SAN
San Diego
€180 Return, found 3 days ago
€180
Return
found 3 days ago
Select Delta flight, departing Sat, 27 Sep from Portland to San Diego, returning Mon, 29 Sep, priced at €180 found 3 days ago
Delta
Sat, 27 Sep - Mon, 29 Sep
PDX
Portland
SAN
San Diego
€199 Return, found 3 days ago
€199
Return
found 3 days ago
Select Delta flight, departing Sat, 27 Sep from Portland to San Diego, returning Mon, 29 Sep, priced at €199 found 3 days ago
United
Sat, 27 Sep - Mon, 29 Sep
PDX
Portland
SAN
San Diego
€205 Return, found 3 days ago
€205
Return
found 3 days ago
Select United flight, departing Sat, 27 Sep from Portland to San Diego, returning Mon, 29 Sep, priced at €205 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 €52 - €246 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.