$134 Cheap Delta flights Philadelphia (PHL) to Portland (PDX)

You can discover cheap return Delta Air Lines flights from $342 from PHL to PDX by sorting your results from “Price (lowest to highest)” on Expedia. Or look for options from $134 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.

Delta Air Lines flights to Portland tend to be cheaper in the quieter months of January and December. Whether you’re in search of a round-trip or one-way ticket, you could land a better deal then.

For cheap Delta Air Lines fares from Philadelphia Intl. Airport (PHL) to Portland Intl. Airport (PDX), start searching one to three months before your planned departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the price you pay. Sunday is typically the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**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.

Simply enter your dates, press search and select “Nonstop” on Expedia to find any direct flights from PHL to PDX with Delta Air Lines or other airlines.

To find the earliest departures from PHL to PDX with Delta Air Lines, filter your search by “Early Morning” and “Morning.” Choosing an early flight usually means you’ll experience fewer cancellations.**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.

Portland Intl. Airport (PDX) is the main Portland gateway for Delta Air Lines flights from Philadelphia Intl. Airport (PHL).

With a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is a favorite for many travelers heading from PHL to PDX. Plus, 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 can be used on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on your ticket type, a fee is typically charged if you cancel or change your booking more than 24 hours after confirmation. To find plane tickets with more flexibility, select our “Changes included” or “No cancel fee” filter when you search for flights. For additional information on modifying or canceling your reservation, visit “Trips,” select your flight and click on “Manage Booking.”