Cheap flights from Newark to Silicon Valley

View AU$182 flight on Wed, 3 Sep. 2025Opens in a new window

Popular airlines from Newark to Silicon Valley

  • Alaska Airlines

    Alaska Airlines

  • Spirit Airlines

    Spirit Airlines

  • Delta

    Delta

  • United

    United

  • American Airlines

    American Airlines

  • Hawaiian Airlines

    Hawaiian Airlines

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Cheap Flights from Newark (NYC) to Silicon Valley (SJC)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, 9 Sep. - Tue, 23 Sep.
JFK
New York
SFO
San Francisco
AU$383 Return, found 7 hours ago
AU$383
Return
found 7 hours ago
Select Alaska Airlines flight, departing Tue, 9 Sep. from New York to San Francisco, returning Tue, 23 Sep., priced at AU$383 found 7 hours ago
American Airlines
Tue, 9 Sep. - Tue, 23 Sep.
JFK
New York
SFO
San Francisco
AU$385 Return, found 7 hours ago
AU$385
Return
found 7 hours ago
Select American Airlines flight, departing Tue, 9 Sep. from New York to San Francisco, returning Tue, 23 Sep., priced at AU$385 found 7 hours ago
Delta
Sat, 30 Aug. - Sat, 6 Sep.
JFK
New York
SFO
San Francisco
AU$386 Return, found 16 hours ago
AU$386
Return
found 16 hours ago
Select Delta flight, departing Sat, 30 Aug. from New York to San Francisco, returning Sat, 6 Sep., priced at AU$386 found 16 hours ago
Delta
Sat, 30 Aug. - Sat, 6 Sep.
JFK
New York
SFO
San Francisco
AU$387 Return, found 16 hours ago
AU$387
Return
found 16 hours ago
Select Delta flight, departing Sat, 30 Aug. from New York to San Francisco, returning Sat, 6 Sep., priced at AU$387 found 16 hours ago
American Airlines
Wed, 10 Sep. - Wed, 17 Sep.
JFK
New York
SFO
San Francisco
AU$390 Return, found 6 days ago
AU$390
Return
found 6 days ago
Select American Airlines flight, departing Wed, 10 Sep. from New York to San Francisco, returning Wed, 17 Sep., priced at AU$390 found 6 days ago
United
Tue, 9 Sep. - Tue, 23 Sep.
EWR
New York
SFO
San Francisco
AU$539 Return, found 7 hours ago
AU$539
Return
found 7 hours ago
Select United flight, departing Tue, 9 Sep. from New York to San Francisco, returning Tue, 23 Sep., priced at AU$539 found 7 hours ago

Find the cheapest month to fly from New York (EWR) to San Jose (SJC)

February is typically the cheapest month to fly

From AU$171 - AU$662 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.