Cheap flights from Portland to San Diego Coast

View AU$121 flight on Sat, 20 Sep. 2025Opens in a new window

Popular airlines from Portland to San Diego Coast

  • Spirit Airlines

    Spirit Airlines

  • Alaska Airlines

    Alaska Airlines

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

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Cheap Flights from Portland (PDX) to San Diego Coast (SAN)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, 13 Sep. - Sun, 21 Sep.
PDX
Portland
SAN
San Diego
AU$283 Return, found 5 days ago
AU$283
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 13 Sep. from Portland to San Diego, returning Sun, 21 Sep., priced at AU$283 found 5 days ago
Alaska Airlines
Sat, 13 Sep. - Sun, 21 Sep.
PDX
Portland
SAN
San Diego
AU$298 Return, found 5 days ago
AU$298
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 13 Sep. from Portland to San Diego, returning Sun, 21 Sep., priced at AU$298 found 5 days ago
Delta
Sat, 13 Sep. - Sun, 21 Sep.
PDX
Portland
SAN
San Diego
AU$299 Return, found 5 days ago
AU$299
Return
found 5 days ago
Select Delta flight, departing Sat, 13 Sep. from Portland to San Diego, returning Sun, 21 Sep., priced at AU$299 found 5 days ago
Delta
Mon, 25 Aug. - Thu, 28 Aug.
PDX
Portland
SAN
San Diego
AU$328 Return, found 6 days ago
AU$328
Return
found 6 days ago
Select Delta flight, departing Mon, 25 Aug. from Portland to San Diego, returning Thu, 28 Aug., priced at AU$328 found 6 days ago
United
Sat, 13 Sep. - Sun, 21 Sep.
PDX
Portland
SAN
San Diego
AU$352 Return, found 5 days ago
AU$352
Return
found 5 days ago
Select United flight, departing Sat, 13 Sep. from Portland to San Diego, returning Sun, 21 Sep., priced at AU$352 found 5 days ago
American Airlines
Sat, 13 Sep. - Sun, 21 Sep.
PDX
Portland
CLD
Carlsbad
AU$376 Return, found 5 days ago
AU$376
Return
found 5 days ago
Select American Airlines flight, departing Sat, 13 Sep. from Portland to Carlsbad, returning Sun, 21 Sep., priced at AU$376 found 5 days ago

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

November is typically the cheapest month to fly

From AU$92 - AU$429 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.