Alaska Airlines Flights from Philadelphia to San Francisco

Flexpay logo

Book now. Pay later.

Spread the cost of your flight over low monthly payments.

Learn more

Lowest fares from Philadelphia to San Francisco

Apr 2025
From$200*
Seen: 7 hours ago
Flight Type One Way|Saver
$200
Displaying fares for April-2025
13

Su

APR

14

Mo

15

Tu

16

We

17

Th

18

Fr

19

Sa

20

Su

21

Mo

22

Tu

23

We

24

Th

25

Fr

26

Sa

27

Su

28

Mo

29

Tu

30

We

01

Th

MAY

02

Fr

03

Sa

04

Su

05

Mo

06

Tu

07

We

08

Th

09

Fr

10

Sa

11

Su

12

Mo

Range$200-$661

*Fares and availability are based on round trip searches for 1 passenger (1 adult) in Economy class in the last 48 hours. Fares are inclusive of tax and surcharges, and subject to availability.

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

One-way low-fare flights Philadelphia to San Francisco.*
From
To
Fare Type
Dates
Price
Philadelphia (PHL)San Francisco (SFO)One-way
|
Saver		Depart: Apr 23, 2025

From

$200

Seen: 7 hours ago

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

From

$256

Seen: 1 day ago

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

From

$333

Seen: 1 day ago

Philadelphia (PHL)San Francisco (SFO)One-way
|
Saver		Depart: May 16, 2025

From

$397

Seen: 1 day ago

Philadelphia (PHL)San Francisco (SFO)One-way
|
Saver		Depart: May 17, 2025

From

$427

Seen: 1 day ago

Philadelphia (PHL)San Francisco (SFO)One-way
|
Saver		Depart: Apr 27, 2025

From

$661

Seen: 1 day ago

*Prices have been available for one-way trips within the last 48 hours and may not be currently available. Fares listed may be Saver fares which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

Looking for more? See other routes

Explore Alaska Airlines's Flights to Top-Pick Destinations