Cheap flights from Seattle to Silicon Valley from CA $51

Cheap flights from Seattle (SEA) to Silicon Valley (SJC)

Prices were available within the past 7 days and start at CA $51 for one-way flights and CA $129 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed., May 21 - Wed., May 28

SEA

Seattle

OAK

Oakland

CA $129 Roundtrip, found 3 days ago

CA $129

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Wed., May 21 from Seattle to Oakland, returning Wed., May 28, priced at CA $129 found 3 days ago

Wed., May 21 - Wed., May 28

SEA

Seattle

OAK

Oakland

CA $150 Roundtrip, found 3 days ago

CA $150

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Wed., May 21 from Seattle to Oakland, returning Wed., May 28, priced at CA $150 found 3 days ago

Sun., May 11 - Tue., May 13

SEA

Seattle

SJC

San Jose

CA $187 Roundtrip, found 5 days ago

CA $187

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Sun., May 11 from Seattle to San Jose, returning Tue., May 13, priced at CA $187 found 5 days ago

Sat., May 31 - Tue., Jun. 17

SEA

Seattle

OAK

Oakland

CA $189 Roundtrip, found 23 hours ago

CA $189

Roundtrip

found 23 hours ago

Select Hawaiian Airlines flight, departing Sat., May 31 from Seattle to Oakland, returning Tue., Jun. 17, priced at CA $189 found 23 hours ago

Sat., May 24 - Sat., May 31

SEA

Seattle

SFO

San Francisco

CA $190 Roundtrip, found 1 day ago

CA $190

Roundtrip

found 1 day ago

Select Delta flight, departing Sat., May 24 from Seattle to San Francisco, returning Sat., May 31, priced at CA $190 found 1 day ago

Sun., May 25 - Thu., May 29

SEA

Seattle

SFO

San Francisco

CA $237 Roundtrip, found 2 days ago

CA $237

Roundtrip

found 2 days ago

Select American Airlines flight, departing Sun., May 25 from Seattle to San Francisco, returning Thu., May 29, priced at CA $237 found 2 days ago