$146 Cheap Delta flights Grand Forks (GFK) to Portland (PDX)

Scoring cheap one-way Delta Air Lines flights from GFK to PDX from $146 on Expedia is simple — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $291 for your next exciting vacation.**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.

To find cheap Delta Air Lines fares from Grand Forks Intl. Airport (GFK) to Portland Intl. Airport (PDX), start searching one to three months before your planned departure. Securing 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 influence the overall cost. 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 journey 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 browse the earliest departures from GFK to PDX. Heading off early means flight cancellations are less likely.**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 GFK to PDX more comfortable with an excellent in-flight experience and a rewarding loyalty program. You could even start earning points with Delta SkyMiles. Be sure to join Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.