Cheap flights from San Diego to Portland, Or, United States (SAN - PDX)

Flying from San Diego to Portland, Or can be expensive. Our search helps you compare cheap flights, airfare deals, and flight tickets across airlines and agencies so you can book at the best price.

We scan trusted travel agencies and airline booking systems for the route San Diego - Portland, Or (SAN - PDX). We do not sell tickets or add fees - you choose where to buy.

Airfares vary by date, time, and airport. Use filters to find the best option by departure/arrival time, number of stops, airline or alliance, and booking channel.

If your dates are flexible, check the low-fare calendar to find the cheapest days. Booking round-trip in one order often reduces fees, and prices usually rise as departure approaches.

We also recommend you to look through the prices for return tickets from Portland, Or to San Diego.

Airfares found by our users in the past 24 hours

The cheapest flight from San Diego to Portland, Or is C$274 on Alaska Airlines, departing on 06/19/2026 - 00:10 and returning on 06/22/2026 - 07:21.
The price for these dates could change. Use search to get the best price.

Average round-trip airfares from San Diego to Portland, Or by months

MonthRound-Trip
January 2026find now
February 2026find now
March 2026find now
April 2026find now
May 2026find now
June 202619.06 - 22.06from C$274
July 2026find now
August 2026find now
September 2026find now
October 2026find now
November 2026find now
December 2026find now

Prices shown are based on searches from the last few days. Ticket prices can change and depend on availability at the time of booking.

Find Flights to Portland, Or