$90 Cheap Delta flights Dallas (DFW) to Seattle (SEA)

Scoring cheap one-way Delta Air Lines flights from DFW to SEA from $90 on Expedia is easy — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from $179 for your next adventure.**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 Dallas-Fort Worth Intl. Airport (DFW) to Seattle - Tacoma Intl. Airport (SEA), 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 impact the price you pay. Sunday is typically the cheapest, 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.

The earliest Delta Air Lines flight from DFW to SEA departs at 7:00AM UTC-6, landing at 9:40AM UTC-8. If you want to head off later in the day, the last Delta Air Lines flight leaves DFW at 4:19PM UTC-6 and touches down at SEA at 6:48PM UTC-8. Flying early is often a smart option as morning flights are 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.

Traveling from DFW to SEA with Delta Air Lines means enjoying a range of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to spend on select future travel purchases. That's on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.