Alaska Airlines Flights from Philadelphia to San Francisco

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Lowest fares from Philadelphia to San Francisco

One-way low-fare flights Philadelphia to San Francisco.*

$
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One-way low-fare flights Philadelphia to San Francisco.*
From
To
Fare Type
Dates
Price
Philadelphia (PHL)San Francisco (SFO)One-way
|
Saver
Depart: Oct 2, 2025

From

$154

Seen: 9 hours ago

Philadelphia (PHL)San Francisco (SFO)One-way
|
Saver
Depart: Oct 8, 2025

From

$154

Seen: 9 hours ago

Philadelphia (PHL)San Francisco (SFO)One-way
|
Saver
Depart: Nov 11, 2025

From

$154

Seen: 9 hours ago

Philadelphia (PHL)San Francisco (SFO)One-way
|
Saver
Depart: Dec 9, 2025

From

$154

Seen: 9 hours ago

Philadelphia (PHL)San Francisco (SFO)One-way
|
Saver
Depart: Oct 3, 2025

From

$154

Seen: 9 hours ago

Philadelphia (PHL)San Francisco (SFO)One-way
|
Saver
Depart: Oct 7, 2025

From

$154

Seen: 9 hours ago

Philadelphia (PHL)San Francisco (SFO)One-way
|
Saver
Depart: Nov 20, 2025

From

$154

Seen: 9 hours ago

Philadelphia (PHL)San Francisco (SFO)One-way
|
Saver
Depart: Dec 3, 2025

From

$154

Seen: 9 hours ago

*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.