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$82+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SFO
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$139
(Cheapflightsfares)

One-way from

$82
(Booking.com)

Popular in

June

Cheapest in

September

Average price

$404
Provider with most accurate pricing for Philadelphia-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-San Francisco flights.
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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. 7% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 5/246:00 pmPHL - OAK
1 stop7h 25mSpirit Airlines
Wed 5/2811:51 amOAK - PHL
1 stop15h 10mSpirit Airlines
Deal found 4/29$139
This Frontier deal was found by Cheapflights users on 5/1. 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.
Thu 5/227:10 amPHL - SJC
1 stop9h 33mFrontier
Thu 6/52:35 pmSJC - PHL
1 stop12h 14mFrontier
Deal found 5/1$218
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Tue 5/137:45 amPHL - SJC
2 stops34h 48mSpirit Airlines
Tue 5/204:28 pmSJC - PHL
1 stop10h 27mSpirit Airlines
Deal found 4/30$220
This Booking.com deal was found by Cheapflights users on 4/30. 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 5/146:00 pmPHL - SJC
1 stop8h 29mMultiple Airlines
Fri 5/167:41 pmSJC - PHL
1 stop8h 11mMultiple Airlines
Deal found 4/30$223
This American Airlines deal was found by Cheapflights users on 4/30. 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 7/45:00 amPHL - SJC
1 stop8h 53mAmerican Airlines
Tue 7/87:09 pmSJC - PHL
1 stop7h 41mAmerican Airlines
Deal found 4/30$234
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 9/106:30 amPHL - SJC
2 stops13h 47mUnited Airlines
Sat 9/136:30 amSJC - PHL
1 stop7h 51mUnited Airlines
Deal found 4/30$256
This Cheapflightsfares deal was found by Cheapflights users on 5/1. 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.
Fri 5/164:10 pmPHL - SFO
1 stop9h 56mFrontier
Fri 5/236:39 pmSFO - PHL
1 stop7h 28mFrontier
Deal found 5/1$257
This JetBlue deal was found by Cheapflights users on 4/30. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/16:30 pmPHL - SFO
1 stop9h 16mJetBlue
Tue 7/810:10 pmSFO - PHL
1 stop8h 38mJetBlue
Deal found 4/30$270
This Delta deal was found by Cheapflights users on 4/30. 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.
Sat 7/57:00 amPHL - SJC
1 stop7h 54mDelta
Fri 8/1511:00 pmSJC - PHL
1 stop6h 36mDelta
Deal found 4/30$277
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 6/36:30 amPHL - SFO
Nonstop6h 00mUnited Airlines
Wed 6/48:30 amSFO - PHL
Nonstop5h 27mUnited Airlines
Deal found 4/30$287
This American Airlines deal was found by Cheapflights users on 4/30. 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 7/97:00 amPHL - SFO
Nonstop6h 01mAmerican Airlines
Sat 7/199:54 pmSFO - PHL
Nonstop5h 23mAmerican Airlines
Deal found 4/30$288
This Delta deal was found by Cheapflights users on 4/30. 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 6/37:05 amPHL - SFO
1 stop8h 35mDelta
Wed 6/411:43 amSFO - PHL
1 stop10h 14mDelta
Deal found 4/30$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 May 1, 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 5/24

6:00 pm-10:25 pm

1 stop7h 25m

Oakland

Wed 5/28

11:51 am-6:01 am

1 stop15h 10m

$139

PhiladelphiaSan Jose

PHL - SJC

PHLSJC

Philadelphia

Thu 5/22

7:10 am-1:43 pm

1 stop9h 33m

San Jose

Thu 6/5

2:35 pm-5:49 am

1 stop12h 14m

$218

PhiladelphiaSan Jose

PHL - SJC

PHLSJC

Philadelphia

Tue 5/13

7:45 am-3:33 pm

2 stops34h 48m

San Jose

Tue 5/20

4:28 pm-5:55 am

1 stop10h 27m

$220

PhiladelphiaSan Jose

PHL - SJC

PHLSJC

Philadelphia

Wed 5/14

6:00 pm-11:29 pm

1 stop8h 29m

San Jose

Fri 5/16

7:41 pm-6:52 am

1 stop8h 11m

$223

PhiladelphiaSan Jose

PHL - SJC

PHLSJC

Philadelphia

Fri 7/4

5:00 am-10:53 am

1 stop8h 53m

San Jose

Tue 7/8

7:09 pm-5:50 am

1 stop7h 41m

$234

PhiladelphiaSan Jose

PHL - SJC

PHLSJC

Philadelphia

Wed 9/10

6:30 am-5:17 pm

2 stops13h 47m

San Jose

Sat 9/13

6:30 am-5:21 pm

1 stop7h 51m

$256

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Fri 5/16

4:10 pm-11:06 pm

1 stop9h 56m

San Francisco

Fri 5/23

6:39 pm-5:07 am

1 stop7h 28m

$257

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Sat 8/30

10:25 am-7:34 pm

1 stop12h 09m

San Francisco

Sat 9/6

8:15 am-10:22 pm

1 stop11h 07m

$270

PhiladelphiaSan Jose

PHL - SJC

PHLSJC

Philadelphia

Sat 7/5

7:00 am-11:54 am

1 stop7h 54m

San Jose

Fri 8/15

11:00 pm-8:36 am

1 stop6h 36m

$277

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Wed 5/28

6:30 am-9:30 am

Nonstop6h 00m

San Francisco

Wed 6/4

8:30 am-4:57 pm

Nonstop5h 27m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 49 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 $384). 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 May 1, 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.

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 May 1, 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
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,293 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,409 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 31 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 $82 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $107 and American Airlines from $115 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 $889, our data shows the cheapest flight currently is $114. When looking at the most popular route, (Philadelphia - San Francisco), you can expect to pay $211 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 $384). 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

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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 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$122Average$260FlexibilityNo cancel feeOn-time65%
Sun Country AirCheapest$135Average$304FlexibilityNo cancel feeOn-time83%
JetBlueCheapest$136Average$248FlexibilityNo cancel feeOn-time62%
FrontierCheapest$136Average$260FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$203Average$478FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$370FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$272Average$455FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$276Average$474FlexibilityNo cancel feeOn-time63%

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