Cheap United Flights from Portland to San Diego (PDX→SAN)

View AU$186 flight on Sat, 31 Jan 2026Opens in a new window
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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.

United
Sat, 7 Feb - Mon, 9 Feb
PDX
Portland
SAN
San Diego
AU$342 Return, found 2 days ago
AU$342
Return
found 2 days ago
Select United flight, departing Sat, 7 Feb from Portland to San Diego, returning Mon, 9 Feb, priced at AU$342 found 2 days ago
United
Sat, 7 Feb - Mon, 9 Feb
PDX
Portland
SAN
San Diego
AU$358 Return, found 2 days ago
AU$358
Return
found 2 days ago
Select United flight, departing Sat, 7 Feb from Portland to San Diego, returning Mon, 9 Feb, priced at AU$358 found 2 days ago
United
Sat, 25 Oct - Mon, 27 Oct
PDX
Portland
SAN
San Diego
AU$979 Return, found 12 hours ago
AU$979
Return
found 12 hours ago
Select United flight, departing Sat, 25 Oct from Portland to San Diego, returning Mon, 27 Oct, priced at AU$979 found 12 hours ago
Flight from Portland to San Diego route information
Origin airport
Portland Intl.
Destination airport
San Diego Intl.
Distance
1493 km
Average flight time
2 hours 31 mins

Frequently asked questions

How much is a United Airlines flight from Portland Intl. Airport (PDX) to San Diego Intl. Airport (SAN)?
You'll find affordable round-trip United Airlines flights from AU$342 from PDX to SAN by filtering your results from "Price (lowest to highest)" on Expedia. Or search for deals from AU$186 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from PDX to SAN with United Airlines?
United Airlines flights to San Diego are usually more affordable in the off-peak months of January and November. Whether you need a round-trip or one-way ticket, you could find a better deal then.
Does United Airlines fly nonstop from Portland Intl. Airport (PDX) to San Diego Intl. Airport (SAN)?
To figure out if there's a direct trip from PDX to SAN with United Airlines or other carriers, select the "Nonstop" filter when browsing for tickets.
What airports does United Airlines fly into in San Diego?
United Airlines flights from Portland Intl. Airport (PDX) to San Diego come in to San Diego Intl. Airport (SAN). This is the main gateway to this destination.
Can I change or cancel my United Airlines flight from Portland Intl. Airport (PDX) to San Diego Intl. Airport (SAN)?
Typically, you can cancel or reschedule your flight, although there may be additional fees if you booked more than 24 hours ago. Need to keep your options open? Make use of our "Changes included" or "No cancel fee" filter to find flights that won't charge you extra if you have to alter your plans. To make changes, head to "Trips," select your flight and click on "Manage Booking" for more details.

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