$99 Cheap Delta flights San Diego (SAN) to Portland (PDX)

Landing cheap one-way Delta Air Lines flights from SAN to PDX from $99 on Expedia couldn’t be easier — just filter by “Price (lowest to highest).” Alternatively, check out our affordable round-trip fares from $197 for your next break.**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.

January is one of the most affordable months to travel to Portland with Delta Air Lines. You could also find excellent prices on one-way and return tickets in December.

Look for affordable Delta Air Lines flights from San Diego Intl. Airport (SAN) to Portland Intl. Airport (PDX) one to three months before your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and itinerary, the best day of the week to book a domestic flight is generally Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Click on our “Nonstop” filter when looking for direct Delta Air Lines flights from SAN to PDX. It’s also an easy way to compare other carriers offering the same nonstop route.

Browse Delta Air Lines’s earliest flights from SAN to PDX by selecting our “Morning” and “Early Morning” filters. Not only will you get to your destination sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Delta Air Lines flights from San Diego Intl. Airport (SAN) to Portland come in to Portland Intl. Airport (PDX). This is the main gateway to this destination.

Offering an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is the leading choice for many travelers flying from SAN to PDX. Also, if you’re a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are generally free within 24 hours of making a booking, but your airline may add a charge after that. For further information about altering your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to change your itinerary without extra charges, tick the “No cancel fee” or “Changes included” filter when planning your next break.