$218 Cheap Delta flights Detroit (DTW) to Portland (PDX)

Finding cheap one-way Delta Air Lines flights from DTW to PDX from $218 on Expedia couldn't be simpler --- just filter by "Price (lowest to highest)." Or check out our affordable return fares from $451 for your next getaway.**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.

For cheap Delta Air Lines fares from Detroit Metropolitan Wayne County Airport (DTW) to Portland Intl. Airport (PDX), start searching one to three months before your intended 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 impact what you pay. Sunday is usually the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book 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.

Sort your results by "Morning" and "Early Morning" to find the earliest departures from DTW to PDX. Heading off early means you're 20% less likely to experience 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.

Delta Air Lines makes traveling from DTW to PDX more comfortable with an excellent in-flight experience and a rewarding loyalty program. You may even earn points with Delta SkyMiles. Make sure you sign up to Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.