HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Francisco Bay Area

$69+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SFO
Apr 21 — Apr 281
Mon 4/21
Mon 4/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia to San Francisco Bay Area with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 16, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$130
(Cheapflightsfares)

One-way from

$69
(Cheapflightsfares)

Popular in

June

Cheapest in

September

Average price

$409
Provider with most accurate pricing for Philadelphia-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-San Francisco flights.
Search Deals
From Philadelphia to San Francisco Bay Area
Search Deals
One-way flight from Philadelphia to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 16, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/15. 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.
Sat 5/316:00 pmPHL - OAK
1 stop7h 25mSpirit Airlines
Thu 6/511:51 amOAK - PHL
1 stop15h 10mSpirit Airlines
Deal found 4/15$165
This Mytrip deal was found by Cheapflights users on 4/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1210:48 amPHL - SJC
1 stop26h 17mSpirit Airlines
Tue 5/134:28 pmSJC - PHL
1 stop10h 27mSpirit Airlines
Deal found 4/16$174
This Booking.com deal was found by Cheapflights users on 4/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:00 pmPHL - SJC
1 stop8h 29mMultiple Airlines
Fri 5/97:41 pmSJC - PHL
1 stop8h 11mMultiple Airlines
Deal found 4/16$176
This Frontier deal was found by Cheapflights users on 4/15. 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.
Sat 5/1712:20 pmPHL - SFO
1 stop14h 49mFrontier
Sat 5/2410:19 pmSFO - PHL
1 stop8h 35mFrontier
Deal found 4/15$178
This CheapOair deal was found by Cheapflights users on 4/16. 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.
Sat 5/176:54 pmPHL - SJC
1 stop15h 47mFrontier
Thu 5/222:33 pmSJC - PHL
1 stop12h 05mFrontier
Deal found 4/16$190
This American Airlines deal was found by Cheapflights users on 4/15. 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.
Wed 7/237:20 pmPHL - SFO
Nonstop6h 17mAmerican Airlines
Tue 7/296:16 amSFO - PHL
Nonstop5h 23mAmerican Airlines
Deal found 4/15$231
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Fri 7/47:29 amPHL - SJC
1 stop8h 20mAmerican Airlines
Tue 7/87:09 pmSJC - PHL
1 stop8h 50mAmerican Airlines
Deal found 4/16$234
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Fri 5/306:30 amPHL - SFO
Nonstop6h 00mUnited Airlines
Fri 6/69:25 pmSFO - PHL
Nonstop5h 27mUnited Airlines
Deal found 4/15$259
This Southwest deal was found by Cheapflights users on 4/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/216:10 pmPHL - SJC
1 stop7h 15mSouthwest
Tue 9/27:00 amSJC - PHL
1 stop8h 05mSouthwest
Deal found 4/16$259
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/126:15 amPHL - SFO
1 stop9h 57mDelta
Tue 8/1911:45 pmSFO - PHL
1 stop10h 49mDelta
Deal found 4/16$277
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/85:30 amPHL - SJC
1 stop8h 37mDelta
Fri 6/134:59 pmSJC - PHL
1 stop9h 51mDelta
Deal found 4/16$277
This Southwest deal was found by Cheapflights users on 4/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/34:45 pmPHL - OAK
1 stop8h 45mSouthwest
Mon 9/85:15 amOAK - PHL
1 stop9h 40mSouthwest
Deal found 4/16$280

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 April 16, 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

PhiladelphiaOakland

PHL - OAK

PHLOAK

Philadelphia

Sat 5/31

6:00 pm-10:25 pm

1 stop7h 25m

Oakland

Thu 6/5

11:51 am-6:01 am

1 stop15h 10m

$165

PhiladelphiaSan Jose

PHL - SJC

PHLSJC

Philadelphia

Mon 5/12

10:48 am-10:05 am

1 stop26h 17m

San Jose

Tue 5/13

4:28 pm-5:55 am

1 stop10h 27m

$174

PhiladelphiaSan Jose

PHL - SJC

PHLSJC

Philadelphia

Wed 5/7

6:00 pm-11:29 pm

1 stop8h 29m

San Jose

Fri 5/9

7:41 pm-6:52 am

1 stop8h 11m

$176

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Sat 5/17

12:20 pm-12:09 am

1 stop14h 49m

San Francisco

Sat 5/24

10:19 pm-9:54 am

1 stop8h 35m

$178

PhiladelphiaSan Jose

PHL - SJC

PHLSJC

Philadelphia

Sat 5/17

6:54 pm-7:41 am

1 stop15h 47m

San Jose

Thu 5/22

2:33 pm-5:38 am

1 stop12h 05m

$190

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Tue 5/6

5:08 pm-8:10 pm

Nonstop6h 02m

San Francisco

Tue 5/13

11:52 am-8:15 pm

Nonstop5h 23m

$232

PhiladelphiaSan Jose

PHL - SJC

PHLSJC

Philadelphia

Fri 7/4

7:29 am-12:49 pm

1 stop8h 20m

San Jose

Tue 7/8

7:09 pm-6:59 am

1 stop8h 50m

$234

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Fri 5/30

6:30 am-9:30 am

Nonstop6h 00m

San Francisco

Fri 6/6

9:25 pm-5:52 am

Nonstop5h 27m

$259

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Wed 6/18

6:00 am-10:59 am

1 stop7h 59m

San Francisco

Tue 6/24

11:59 pm-1:00 pm

1 stop10h 01m

$277

PhiladelphiaSan Jose

PHL - SJC

PHLSJC

Philadelphia

Sun 6/8

5:30 am-11:07 am

1 stop8h 37m

San Jose

Fri 6/13

4:59 pm-5:50 am

1 stop9h 51m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 45 results
1
2
3
...
5

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 $393). 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 April 16, 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 April 16, 2025.

The most flights from PHL to zzXIH are scheduled on a Thursday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in San Francisco Bay Area by month

Plan your trip to San Francisco Bay Area by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco Bay Area ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco Bay Area when rainfall is around 0.0 in.

Temperature in San Francisco Bay Area by month

Plan your trip to San Francisco Bay Area by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco Bay Area, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 April 16, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Philadelphia to San Francisco Bay Area to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,876 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,282 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,380 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,665 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 30 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 $69 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $96 and United Airlines from $116 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 United Airlines (92%), Qantas Airways (92%) or Air China (91%) 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 $1,038, our data shows the cheapest flight currently is $114. When looking at the most popular route, (Philadelphia - San Francisco), you can expect to pay $229 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 $393). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Philadelphia to San Francisco Bay Area

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Los Angeles flights
Newark to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
Newark to Las Vegas flights
John F Kennedy Intl to San Francisco flights
LaGuardia to Los Angeles flights
Newark to San Francisco flights
LaGuardia to Las Vegas flights
Dulles Intl to Los Angeles flights
Dulles Intl to Las Vegas flights
Reagan-National to Los Angeles flights
John F Kennedy Intl to Ontario flights
Dulles Intl to San Francisco flights
Reagan-National to Las Vegas flights
LaGuardia to San Francisco flights
Newark to Burbank flights
Newark to San Diego flights
John F Kennedy Intl to San Diego flights
Reagan-National to San Francisco flights
Newark to Ontario flights
Philadelphia to Las Vegas flights
Philadelphia to San Francisco flights
LaGuardia to Burbank flights
Newark to Oakland flights
Newark to Santa Ana flights
Dulles Intl to San Diego flights
Philadelphia to Los Angeles flights
LaGuardia to Ontario flights
Reagan-National to San Diego flights
LaGuardia to San Diego flights
John F Kennedy Intl to Santa Ana flights
Dulles Intl to Ontario flights
LaGuardia to Oakland flights
Pittsburgh to Las Vegas flights
John F Kennedy Intl to Palm Springs flights
Newark to Sacramento flights
LaGuardia to Santa Ana flights
Newark to San Jose flights
Philadelphia to Ontario flights
Newark to Palm Springs flights
John F Kennedy Intl to San Jose flights
John F Kennedy Intl to Sacramento flights
Reagan-National to Santa Ana flights
Reagan-National to Ontario flights
Dulles Intl to Sacramento flights
Philadelphia to San Diego flights
Philadelphia to Santa Ana flights
Pittsburgh to San Francisco flights
LaGuardia to Palm Springs flights
Philadelphia to Burbank flights

Top 8 airlines flying from Philadelphia to San Francisco Bay Area

Discover the top 8 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 April 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$122Average$259FlexibilityNo cancel feeOn-time65%
Sun Country AirCheapest$135Average$304FlexibilityNo cancel feeOn-time83%
JetBlueCheapest$136Average$284FlexibilityNo cancel feeOn-time62%
FrontierCheapest$137Average$272FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$204Average$486FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$371FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$266Average$480FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$272Average$456FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.