Cheap flights from Philadelphia to Northern California from CA $78

View CA $78 flight on Wed, Aug. 20, 2025Opens in a new window

Popular airlines from Philadelphia to Northern California

  • American Airlines

    American Airlines

  • JetBlue Airways

    JetBlue Airways

  • Delta

    Delta

  • Alaska Airlines

    Alaska Airlines

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Cheap flights from Philadelphia (ILG) to Northern California (ACV)

Prices were available within the past 7 days and start at CA $78 for one-way flights and CA $334 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Thu, Oct. 16 - Mon, Oct. 20
PHL
Philadelphia
SMF
Sacramento
CA $334 Roundtrip, found 6 days ago
CA $334
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Thu, Oct. 16 from Philadelphia to Sacramento, returning Mon, Oct. 20, priced at CA $334 found 6 days ago
JetBlue Airways
Fri, Sep. 5 - Mon, Sep. 8
PHL
Philadelphia
SFO
San Francisco
CA $338 Roundtrip, found 1 day ago
CA $338
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Fri, Sep. 5 from Philadelphia to San Francisco, returning Mon, Sep. 8, priced at CA $338 found 1 day ago
JetBlue Airways
Thu, Sep. 4 - Sat, Sep. 13
PHL
Philadelphia
SFO
San Francisco
CA $339 Roundtrip, found 4 days ago
CA $339
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Thu, Sep. 4 from Philadelphia to San Francisco, returning Sat, Sep. 13, priced at CA $339 found 4 days ago
Delta
Thu, Aug. 28 - Sun, Sep. 7
PHL
Philadelphia
SFO
San Francisco
CA $392 Roundtrip, found 14 hours ago
CA $392
Roundtrip
found 14 hours ago
Select Delta flight, departing Thu, Aug. 28 from Philadelphia to San Francisco, returning Sun, Sep. 7, priced at CA $392 found 14 hours ago
American Airlines
Wed, Oct. 15 - Tue, Oct. 21
PHL
Philadelphia
SMF
Sacramento
CA $394 Roundtrip, found 6 days ago
CA $394
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Oct. 15 from Philadelphia to Sacramento, returning Tue, Oct. 21, priced at CA $394 found 6 days ago
Alaska Airlines
Wed, Oct. 15 - Tue, Oct. 21
PHL
Philadelphia
SMF
Sacramento
CA $412 Roundtrip, found 6 days ago
CA $412
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Oct. 15 from Philadelphia to Sacramento, returning Tue, Oct. 21, priced at CA $412 found 6 days ago

Find the cheapest month to fly from Philadelphia (PHL) to San Francisco (SFO)

May is typically the cheapest month to fly

From CA $192 - CA $576 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.