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$88+ Cheap flights from Philadelphia (PHL) to San Francisco Bay Area

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SFO
oct. 8 — oct. 151
mié. 10/8
mié. 10/15
1 adult, Economy
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Cheap flight deals from Philadelphia to San Francisco Bay Area

Keep the following information in mind while searching for Philadelphia to San Francisco Bay Area flight deals. Data was last updated septiembre 8, 2025.

Round-trip from

$173
(CheapOair)

One-way from

$88
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$349
From Philadelphia to San Francisco Bay Area
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One-way flight from Philadelphia to San Francisco Bay Area
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Highest demand for flights based on searches. 4% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Philadelphia to San Francisco Bay Area

Cheapest flights from Philadelphia to San Francisco Bay Area
Explore the most affordable flight options available from Philadelphia to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 8, 2025.

This CheapOair deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/36:19 amPHL - SJC
1 stop8h 13mFrontier
vie. 11/712:27 pmSJC - PHL
1 stop13h 22mFrontier
Deal found 9/7$173
This Frontier deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/276:42 amPHL - SJC
1 stop7h 50mFrontier
vie. 10/3112:27 pmSJC - PHL
1 stop13h 22mFrontier
Deal found 9/5$183
This CheapOair deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/206:42 amPHL - SJC
1 stop7h 50mFrontier
dom. 10/2612:27 pmSJC - PHL
1 stop13h 52mFrontier
Deal found 9/6$209
This Frontier deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/316:19 amPHL - SJC
1 stop8h 13mFrontier
vie. 11/712:27 pmSJC - PHL
1 stop13h 22mFrontier
Deal found 9/8$219
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/26:45 amPHL - SJC
1 stop9h 29mFrontier
vie. 10/1012:35 pmSJC - PHL
1 stop13h 44mFrontier
Deal found 9/5$230
This CheapOair deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/266:45 amPHL - SJC
1 stop7h 45mFrontier
jue. 10/22:14 pmSJC - PHL
1 stop7h 43mFrontier
Deal found 9/7$234
This American Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/227:00 amPHL - SJC
1 stop8h 25mAmerican Airlines
mié. 10/291:18 pmSJC - PHL
1 stop8h 51mAmerican Airlines
Deal found 9/7$238
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/3012:50 pmPHL - SJC
1 stop8h 24mUnited Airlines
sáb. 10/46:30 amSJC - PHL
1 stop8h 05mUnited Airlines
Deal found 9/6$244
This Cheapflightsfares deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/155:21 pmPHL - OAK
1 stop9h 11mSpirit Airlines
sáb. 9/206:30 amOAK - PHL
1 stop11h 21mSpirit Airlines
Deal found 9/6$253
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/16:25 pmPHL - SFO
Nonstop6h 25mUnited Airlines
sáb. 11/89:02 pmSFO - PHL
Nonstop5h 18mUnited Airlines
Deal found 9/8$289
This CheapOair deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/188:10 amPHL - SFO
1 stop17h 52mFrontier
lun. 9/2211:00 pmSFO - PHL
1 stop11h 50mFrontier
Deal found 9/6$290
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/206:45 amPHL - SFO
1 stop28h 30mMultiple Airlines
dom. 9/2111:57 pmSFO - PHL
2 stops12h 11mMultiple Airlines
Deal found 9/6$291

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to San Francisco Bay Area that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 8, 2025.
Use the filters below to find and compare flights from Philadelphia to San Francisco Bay Area that are best for you.

Fly from

Philadelphia

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

PhiladelphiaSan Jose

PHL - SJC

PHLSJC

Philadelphia

mié. 10/1

10:32 am-6:14 pm

2 stops10h 42m

San Jose

sáb. 10/4

8:45 am-9:28 pm

2 stops9h 43m

$261

PhiladelphiaSan Jose

PHL - SJC

PHLSJC

Philadelphia

mié. 11/5

5:30 am-11:17 am

1 stop8h 47m

San Jose

lun. 11/10

7:04 pm-5:55 am

1 stop7h 51m

$277

PhiladelphiaSan Jose

PHL - SJC

PHLSJC

Philadelphia

sáb. 10/18

7:05 am-12:22 pm

1 stop8h 17m

San Jose

lun. 10/20

10:25 pm-9:30 am

1 stop8h 05m

$277

PhiladelphiaSan Jose

PHL - SJC

PHLSJC

Philadelphia

vie. 10/31

2:25 pm-10:17 pm

1 stop10h 52m

San Jose

sáb. 11/1

12:40 pm-12:52 am

1 stop9h 12m

$277

PhiladelphiaSan Jose

PHL - SJC

PHLSJC

Philadelphia

sáb. 10/4

7:00 am-12:23 pm

1 stop8h 23m

San Jose

sáb. 10/11

6:35 am-7:47 pm

1 stop10h 12m

$277

PhiladelphiaSan Jose

PHL - SJC

PHLSJC

Philadelphia

mar. 11/4

5:30 am-11:17 am

1 stop8h 47m

San Jose

mié. 11/5

6:35 am-5:13 pm

1 stop7h 38m

$277

PhiladelphiaSan Jose

PHL - SJC

PHLSJC

Philadelphia

vie. 10/31

2:25 pm-10:17 pm

1 stop10h 52m

San Jose

lun. 11/10

7:04 pm-5:55 am

1 stop7h 51m

$277

PhiladelphiaSan Jose

PHL - SJC

PHLSJC

Philadelphia

mar. 10/28

6:00 am-12:24 pm

1 stop9h 24m

San Jose

dom. 11/2

5:55 am-5:38 pm

1 stop8h 43m

$277

PhiladelphiaSan Jose

PHL - SJC

PHLSJC

Philadelphia

mié. 11/5

5:30 am-11:17 am

1 stop8h 47m

San Jose

mar. 11/11

5:45 am-5:37 pm

1 stop8h 52m

$277

PhiladelphiaSan Jose

PHL - SJC

PHLSJC

Philadelphia

vie. 10/31

2:25 pm-10:17 pm

1 stop10h 52m

San Jose

mié. 11/5

5:55 am-5:38 pm

1 stop8h 43m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/7

Showing 1-10 of 60 results
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Best time to book a flight from Philadelphia to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to San Francisco Bay Area

What is the cheapest month to book a flight from Philadelphia to San Francisco Bay Area?

Currently, January is the cheapest month in which you can book a flight from Philadelphia to San Francisco Bay Area (average of $276). Flying from Philadelphia to San Francisco Bay Area in June is currently the most expensive (average of $358). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHL to XIH?

Find hourly flight availability from Philadelphia to San Francisco Bay Area. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 8, 2025.

When flying from Philadelphia to San Francisco Bay Area, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Philadelphia to San Francisco Bay Area

Explore weekly flight availability from Philadelphia to San Francisco Bay Area. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated septiembre 8, 2025.

The most flights from PHL to zzXIH are scheduled on a Friday (21 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (14 on average).

Reviews of airlines servicing San Francisco Bay Area

Get insights into the airlines that provide service to San Francisco Bay Area. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco Bay Area. Reviews last updated septiembre 8, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Philadelphia to San Francisco Bay Area by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,244 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Southwest
8.0
Very good
4,244 reviews
Southwest
8.0
Very good
4,244 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Delta
8.0
Very good
7,966 reviews
Southwest
8.0
Very good
4,244 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
United Airlines
7.4
Good
8,944 reviews
Southwest
8.0
Very good
4,244 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,244 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Frontier
5.8
Fair
3,187 reviews
Southwest
8.0
Very good
4,244 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to San Francisco Bay Area. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Philadelphia to San Francisco Bay Area?

    If you book a flight to San Francisco Bay Area from Philadelphia, you will be flying from Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia.

  • How popular is this Philadelphia to San Francisco Bay Area flight route?

    This flight path from Philadelphia to San Francisco Bay Area was viewed by 18 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Philadelphia to San Francisco Bay Area?

    A quick flight from Philadelphia to San Francisco Bay Area can take about 6h 03m. United Airlines provides one of the quickest options available for as low as $289. There are 2513 mi between Philadelphia and San Francisco Bay Area. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Philadelphia to San Francisco Bay Area one-way?

    One-way options have recently been found by users for as low as $88 on Spirit Airlines. Other airlines that offer cheap prices include United Airlines from $119 and Frontier from $130 one-way.

  • What are the most popular routes from Philadelphia to San Francisco Bay Area?

    The most popular flight routes from Philadelphia to San Francisco Bay Area are Philadelphia - San Francisco, Philadelphia - Oakland and Philadelphia - San Jose.

  • What are the most reliable airlines from Philadelphia to San Francisco Bay Area?

    No one likes to see their flight delayed. When booking a flight from Philadelphia to San Francisco Bay Area consider choosing ANA (95%), Air China (94%) or United Airlines (82%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Philadelphia to San Francisco Bay Area?

    While on average a flight from Philadelphia to San Francisco Bay Area is generally $1,079, our data shows the cheapest flight currently is $158. When looking at the most popular route, (Philadelphia - San Francisco), you can expect to pay $168 for that flight.

  • Can I find deals for flights from Philadelphia to San Francisco Bay Area that include hotel bookings?

    Yes. In addition to deals on Philadelphia to San Francisco Bay Area flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to San Francisco Bay Area?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to San Francisco Bay Area.

  • Can I find deals for business class flights from Philadelphia to San Francisco Bay Area?

    Yes. Cheapflights offers flight deals from Philadelphia to San Francisco Bay Area by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Philadelphia to San Francisco Bay Area?

    Currently, January is the cheapest month in which you can book a flight from Philadelphia to San Francisco Bay Area (average of $276). Flying from Philadelphia to San Francisco Bay Area in June is currently the most expensive (average of $358). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Philadelphia to San Francisco Bay Area

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Philadelphia to San Francisco Bay Area

Discover the top 7 airlines that operate flights from Philadelphia to San Francisco Bay Area. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$122Average$257FlexibilityNo cancel feeOn-time65%
FrontierCheapest$135Average$263FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$210Average$467FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$225Average$282FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$231Average$433FlexibilityNo cancel feeOn-time63%
DeltaCheapest$259Average$348FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$270Average$408FlexibilityNo cancel feeOn-time69%

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