$69 Cheap Delta flights Seattle (SEA) to San Jose (SJC)

Finding cheap one-way Delta Air Lines flights from SEA to SJC from $69 on Expedia is a cinch — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from $138 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.

Start searching one to three months before your departure to find cheap fares on Delta Air Lines flights from Seattle - Tacoma Intl. Airport (SEA) to Norman Y. Mineta San Jose Intl. Airport (SJC). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic flights.*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.

Taking off from SEA at 8:25AM UTC-8, the first Delta Air Lines flight to SJC lands at 10:54AM UTC-8. Flying early means you'll be less likely to encounter delays or cancellations.* Don't like early starts? The last Delta Air Lines flight from SEA to SJC departs at 7:50PM UTC-8 and touches down at 10:12PM 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.

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