$308 Cheap Delta flights Grand Forks (GFK) to Seattle (SEA)

Apply the “Price (lowest to highest)” filter on Expedia to search for cheap Delta Air Lines return flights from $444 from GFK to SEA. Affordable one-way options from $308 are also available.**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 Seattle tend to be more affordable in the quieter months of January and February. Whether you need a one-way or a return ticket, you could score a better deal then.

Search for affordable Delta Air Lines flights from Grand Forks Intl. Airport (GFK) to Seattle - Tacoma Intl. Airport (SEA) one to three months before your 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. Regardless of fare class and journey, the best day to book a domestic flight is generally Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book 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.

Fill in your dates, press search and tick the “Nonstop” filter on Expedia to browse any direct flights from GFK to SEA with Delta Air Lines or other carriers.

To find the earliest departures from GFK to SEA with Delta Air Lines, filter your results by “Early Morning” and “Morning.” Booking an early flight generally means you’re 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 flights from Grand Forks Intl. Airport (GFK) to Seattle come in to land at Seattle - Tacoma Intl. Airport (SEA). This is the main gateway to this city.

With a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is a favorite for many passengers flying from GFK to SEA. 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 go toward future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of fare you purchased, a fee typically applies if you cancel or change your booking more than 24 hours after it’s been confirmed. To secure plane tickets with more flexibility, select our “No cancel fee” or “Changes included” filter when you search for flights. For additional information on modifying or canceling your reservation, go to “Trips,” select your flight and tick “Manage Booking.”