$69 Cheap flight deals from Seattle (SEA) to Castro Valley (SJC)
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This Weekend's Flight Deals from Seattle to Castro Valley
This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Airfares from $69 One Way, $137 Round Trip from Seattle to Castro Valley
Prices starting at $137 for return flights and $69 for one-way flights to Castro Valley were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Castro Valley economy flight packages
RiverPointe Napa Valley Resort
Mar 13 - Mar 15
Seattle (SEA) to Oakland (OAK)
Reviewed on Oct 13, 2025
Hotel Yountville
Mar 13 - Mar 15
Seattle (SEA) to Oakland (OAK)
Reviewed on May 24, 2025
Silverado Resort
Mar 13 - Mar 15
Seattle (SEA) to Oakland (OAK)
Reviewed on Jul 4, 2025
Castro Valley first class flight packages
RiverPointe Napa Valley Resort
Apr 4 - Apr 7
Seattle (SEA) to Oakland (OAK)
Reviewed on Oct 13, 2025
Hotel Yountville
Apr 4 - Apr 7
Seattle (SEA) to Oakland (OAK)
Reviewed on May 24, 2025
Carneros Resort and Spa
Apr 4 - Apr 7
Seattle (SEA) to Oakland (OAK)
Reviewed on Apr 3, 2021
More About Flying To Castro Valley from Seattle
Route Information for Flights from Seattle to Castro Valley
Origin Airport IATA Code | SEA |
|---|---|
Destination Airport IATA Code | SJC |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Seattle to Castro Valley
Orbitz guarantees you low prices on flights from Seattle to Castro Valley. In addition to low fares on Seattle to Castro Valley flights, Orbitz offers fantastic savings on hotels, cruises, vacation packages, and more.
Earn Miles While Saving
Besides helping you fly for the lowest fares, Orbitz lets you earn miles for your frequent flyer program for certain flights from Seattle to Castro Valley. If you are a member of the frequent flyer or loyalty program offered by the airline you booked through Orbitz or a partner airline’s, simply add your frequent flyer number to your Orbitz reservation to get credit for your Seattle to Castro Valley flights.
Travel Planning Made Easy
We help take some of the anxiety out of your Seattle to Castro Valley flights with free flight alerts. We will let you know of flight changes and delays to your flights from Seattle to Castro Valley by email, voicemail, or text messages to your mobile phone. Alerts can also be sent to up to six other contacts to keep family and business teams informed.
Use Mobile Apps with Orbitz
Orbitz lets you find the best deals on Seattle to Castro Valley flights while on the go, with our easy-to-use Android and iPhone mobile apps. Easily check flight status, gate numbers, and other flight details all in one place with our app—which is great when you are in a hurry. You can use the apps to access great mobile deals on flights and amazing hotel rooms.
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Castro Valley Airports
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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.
Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.
Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.