$79 Cheap Delta flights San Francisco (SFO) to Seattle (SEA)

You’ll discover affordable return Delta Air Lines flights from $152 from SFO to SEA by filtering your results from “Price (lowest to highest)” on Expedia. Or search for deals from $79 for a one-way trip.**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 are often more affordable in the off-peak months of January and February. Whether you’re searching for a one-way or a return ticket, you could land a better deal then.

To find cheap Delta Air Lines fares from San Francisco Intl. Airport (SFO) to Seattle - Tacoma Intl. Airport (SEA), 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 affect the price you pay. Sunday is usually 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.

Delta Air Lines offers direct flights from San Francisco Intl. Airport (SFO) to Seattle - Tacoma Intl. Airport (SEA), with 32 departures every week. Simply apply the “Nonstop” and “Airline” filters during your search on Expedia to see all direct Delta Air Lines flights to SEA.

Depart San Francisco Intl. Airport (SFO) for Seattle - Tacoma Intl. Airport (SEA) on a nonstop Delta Air Lines flight, and you’ll be in the sky for approximately 2h 26m.

Delta Air Lines operates the most flights from San Francisco Intl. Airport (SFO) to Seattle - Tacoma Intl. Airport (SEA) on Saturday. With up to 5 daily departures, you’ll get the most options and flexibility on this day.

Setting off from SFO at 6:10AM UTC-8, the earliest Delta Air Lines flight to SEA lands at 8:35AM UTC-8. Flying earlier in the day means you’ll be less likely to encounter delays or cancellations.* Not a morning person? The last Delta Air Lines flight from SFO to SEA departs at 8:40PM UTC-8 and touches down at 11:08PM UTC-8.*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 San Francisco Intl. Airport (SFO) to Seattle come in to land at Seattle - Tacoma Intl. Airport (SEA) and Snohomish County - Paine Field Airport (PAE). The main Seattle gateway serviced by this airline is SEA. It’s worth considering flights arriving at nearby airports on Expedia as you may find cheaper prices.

Delta Air Lines makes traveling from SFO to SEA more comfortable with a rewarding loyalty program and an excellent in-flight experience. You could even start collecting points with Delta SkyMiles. Remember to sign up to 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.

Delta Air Lines generally uses Airbus A220-100 planes for flights from San Francisco Intl. Airport (SFO) to Seattle - Tacoma Intl. Airport (SEA). This carrier also operates the Embraer 175 on this route. Keep in mind that aircraft type can vary depending on operational demands, so the plane you catch might be different on the day.

Depending on the ticket type you purchased, a fee is typically charged if you cancel or reschedule your booking more than 24 hours after it’s been confirmed. To secure tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes while looking for flights. For more details on changing or canceling your reservation, visit “Trips,” select your flight and tick “Manage Booking.”