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$149+ Cheap flights from Philadelphia to San Francisco (PHL - SFO)

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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SFO
Jan 22 — Jan 291
Wed 1/22
Wed 1/29
1 adult, Economy
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The best prices from Philadelphia to San Francisco are usually found in September or February, booked 87 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Philadelphia to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$278
(Kiwi.com)

One-way from

$149
(American Airlines)

Popular in

June

Cheapest in

September

Average price

$387
Provider with most accurate pricing for Philadelphia-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-San Francisco flights.
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From Philadelphia to San Francisco
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One-way flight from Philadelphia to San Francisco
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High demand for flights, 7% potential price rise
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Best time to find cheap flights, 1% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Philadelphia to San Francisco

Cheapest flights from Philadelphia to San Francisco
Explore the most affordable flight options available from Philadelphia to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 1/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/215:40 amPHL - SFO
1 stop10h 53mFrontier
Thu 3/276:00 amSFO - PHL
1 stop20h 05mFrontier
Deal found 1/16$278
This deal was found by Cheapflights users on 1/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/12:05 pmPHL - SFO
2 stops10h 05mSouthwest
Sat 2/85:35 amSFO - PHL
2 stops11h 15mSouthwest
Deal found 1/15$284
This United Airlines deal was found by Cheapflights users on 1/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/148:30 amPHL - SFO
Nonstop6h 33mUnited Airlines
Sun 2/161:20 pmSFO - PHL
Nonstop5h 22mUnited Airlines
Deal found 1/16$289
This American Airlines deal was found by Cheapflights users on 1/16. 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.
Thu 2/137:15 pmPHL - SFO
Nonstop6h 37mAmerican Airlines
Mon 2/1710:40 pmSFO - PHL
Nonstop5h 09mAmerican Airlines
Deal found 1/16$290
This Delta deal was found by Cheapflights users on 1/16. 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.
Mon 2/106:00 amPHL - SFO
1 stop8h 25mDelta
Sat 2/1512:35 pmSFO - PHL
1 stop7h 45mDelta
Deal found 1/16$293
This Sun Country Air deal was found by Cheapflights users on 1/16. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/512:05 pmPHL - SFO
1 stop23h 15mSun Country Air
Sun 6/811:59 pmSFO - PHL
1 stop8h 11mSun Country Air
Deal found 1/16$305
This JetBlue deal was found by Cheapflights users on 1/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/116:00 amPHL - SFO
1 stop10h 32mJetBlue
Tue 4/158:20 amSFO - PHL
1 stop9h 19mJetBlue
Deal found 1/16$345
This Alaska Airlines deal was found by Cheapflights users on 1/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/256:25 pmPHL - SFO
2 stops23h 11mAlaska Airlines
Thu 2/279:00 amSFO - PHL
1 stop29h 25mAlaska Airlines
Deal found 1/16$346
This Mytrip deal was found by Cheapflights users on 1/16. 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.
Wed 3/1910:08 amPHL - SFO
3 stops26h 09mMultiple Airlines
Sun 3/2311:59 pmSFO - PHL
3 stops29h 32mMultiple Airlines
Deal found 1/16$376

Find flights from Philadelphia to San Francisco within your budget

Customize your flight search to find flights from Philadelphia to San Francisco 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 January 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Fri 3/21

5:40 am-1:33 pm

1 stop10h 53m

San Francisco

Thu 3/27

6:00 am-5:05 am

1 stop20h 05m

$278

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Sat 2/1

2:05 pm-9:10 pm

2 stops10h 05m

San Francisco

Sat 2/8

5:35 am-7:50 pm

2 stops11h 15m

$284

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Fri 2/14

8:30 am-12:03 pm

Nonstop6h 33m

San Francisco

Sun 2/16

1:20 pm-9:42 pm

Nonstop5h 22m

$289

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Thu 2/13

7:15 pm-10:52 pm

Nonstop6h 37m

San Francisco

Mon 2/17

10:40 pm-6:49 am

Nonstop5h 09m

$290

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Mon 2/10

6:40 pm-12:14 am

1 stop8h 34m

San Francisco

Fri 2/14

12:40 am-1:48 pm

1 stop10h 08m

$293

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Fri 4/11

6:00 am-1:32 pm

1 stop10h 32m

San Francisco

Tue 4/15

8:20 am-8:39 pm

1 stop9h 19m

$345

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Tue 2/25

6:25 pm-2:36 pm

2 stops23h 11m

San Francisco

Thu 2/27

9:00 am-5:25 pm

1 stop29h 25m

$346

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Wed 3/19

10:08 am-9:17 am

3 stops26h 09m

San Francisco

Sun 3/23

11:59 pm-8:31 am

3 stops29h 32m

$376

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Fri 3/28

5:40 am-1:33 pm

1 stop10h 53m

$150

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

Tue 4/15

8:30 am-11:48 am

Nonstop6h 18m

$165

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 16 results
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Compare providers for flights from Philadelphia to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to San Francisco in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
CheapOairPrice Accuracy2 starsTrust Score*2 stars
GotogatePrice Accuracy2 starsTrust Score*2 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Philadelphia to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco 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.

Travel insights for flights from Philadelphia to San Francisco

Get recent, data-driven insights about flights from Philadelphia to San Francisco including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Philadelphia to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to San Francisco. Price data was last updated on January 10, 2025.

The price you pay for your flight from Philadelphia to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Philadelphia to San Francisco (average of $276). Flying from Philadelphia to San Francisco in June is currently the most expensive (average of $405). 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 SFO?

Find hourly flight availability from Philadelphia to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 17, 2025.

It’s typically best to fly out from Philadelphia to San Francisco at noon. Doing so could potentially save you 28% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Philadelphia to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to San Francisco. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Philadelphia to San Francisco flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Philadelphia to San Francisco

Explore weekly flight availability from Philadelphia to San Francisco. 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 January 17, 2025.

The most flights from PHL to SFO are scheduled on a Thursday (12 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in San Francisco by month

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

In terms of precipitation, rainfall in San Francisco 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 when rainfall is around 0.0 in.

Temperature in San Francisco by month

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

If weather is an important factor for your trip to San Francisco, 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

Get insights into the airlines that provide service to San Francisco. 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. Reviews last updated January 17, 2025.
Get a feel of what it's like to fly with Southwest, United Airlines and Alaska Airlines from Philadelphia to San Francisco by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,659 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,659 reviews
Southwest
8.1
Very good
4,659 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,681 reviews
Southwest
8.1
Very good
4,659 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,511 reviews
Southwest
8.1
Very good
4,659 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

JetBlue
7.4
Good
3,199 reviews
Southwest
8.1
Very good
4,659 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,964 reviews
Southwest
8.1
Very good
4,659 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

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

  • What airports do I use to fly from Philadelphia to San Francisco?

    You will need to book a flight from Philadelphia to San Francisco if you want to fly from Philadelphia to San Francisco. At least 8 different airlines have flights from Philadelphia (PHL) to San Francisco (SFO) on a regular basis. There are 7 flights to San Francisco from the Philadelphia airport per day. If you manage to book one that is nonstop, then you can expect the flight time from PHL to SFO to be around 5h 58m.

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

    The Philadelphia to San Francisco flight path was viewed by 37 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 flying from Philadelphia to San Francisco round-trip?

    Flying on Frontier is currently your cheapest option to San Francisco, with prices starting at $278. Additional round-trip tickets that might be worth considering are offered by Southwest and United Airlines, with the lowest prices starting at $284 and $289, respectively. These flights start at 32% lower than the current average price 3 months from now.

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

    $149 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Frontier and United Airlines, with prices starting from $150 and $165, respectively.

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

    No one likes to see their flight delayed. When booking a flight from Philadelphia to San Francisco consider choosing Fiji Airways (81%), China Southern (80%) or Air China (80%) 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?

    Looking for the cheapest flight from Philadelphia to San Francisco? While on average our users pay $994, our data indicates the cheapest price to be $148. The most popular route (Philadelphia - San Francisco), is priced around $175.

  • Where are the most common layover locations when flying from Philadelphia to San Francisco?

    The most popular layover on flights from Philadelphia to San Francisco is Denver. Phoenix is the second most popular location for layovers on flights from Philadelphia to San Francisco. Atlanta comes next as the third most popular layover location for Philadelphia to San Francisco flights.

  • What are some popular things to do or see while on a layover in Denver?

    Coors Field, 16th Street Mall, and Paramount Theatre are the most popular attractions in Denver if you're in need of something to do during your layover. Coors Field, 16th Street Mall and Paramount Theatre are located about 18.4 mi, 18.7 mi, and 18.6 mi, respectively from Denver Intl if you are interested in checking them out. Travelers can book a car rental at Denver Intl for about $52 per day to make their sightseeing more efficient.

  • What are some popular points of interest to see during a layover in Phoenix?

    Chase Field, Desert Ridge Marketplace, and Phoenix Symphony Hall are the most popular attractions in Phoenix if you're in need of something to do during your layover. Chase Field, Desert Ridge Marketplace, and Phoenix Symphony Hall are located about 4.0 mi, 16.7 mi, and 4.3 mi, respectively from Phoenix Sky Harbor Intl. Those landing in Phoenix looking to spend some time exploring during their layover can rent a car for about $59 per day.

  • What are points of interest worth seeing during a layover in Atlanta?

    If you're on a layover in Atlanta and looking for things to do, consider visiting Georgia Aquarium, Fox Theatre, or World of Coca-Cola. Travelers on a layover in Atlanta can visit Georgia Aquarium, Fox Theatre, and World of Coca-Cola, by traveling 8.6 mi, 9.3 mi, and 8.6 mi, respectively after landing at Atlanta Hartsfield-Jackson. Travelers in need of a car in Atlanta can rent one for about $43 per day.

  • Where are the least popular layover locations for Philadelphia to San Francisco flights?

    The least popular layover on flights from Philadelphia to San Francisco is Los Angeles. Chicago sees the second fewest layovers for non-direct flights flying from Philadelphia to San Francisco. Detroit sees the third fewest flights with layovers for the Philadelphia to San Francisco route.

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

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

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

    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.

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

    Yes. Cheapflights offers flight deals from Philadelphia to San Francisco 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?

    Currently, January is the cheapest month in which you can book a flight from Philadelphia to San Francisco (average of $276). Flying from Philadelphia to San Francisco in June is currently the most expensive (average of $405). 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

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Mountain View
Roseville
Turlock
Santa Cruz
Fairfield
Manteca
Sausalito
Watsonville
Hayward
Richmond
Hollister
Antioch
South San Francisco
Milpitas
Elk Grove
Newark
Alameda
Campbell
Lathrop
Pacific Grove

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Alternative routes for Philadelphia to San Francisco

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

Discover the top 8 airlines that operate flights from Philadelphia to San Francisco. 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 January 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$135Average$313FlexibilityNo cancel feeOn-time83%
FrontierCheapest$144Average$231FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$163Average$205FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$225Average$255FlexibilityNo cancel feeOn-time62%
DeltaCheapest$258Average$362FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$420FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$279Average$460FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$368Average$488FlexibilityNo cancel feeOn-time63%
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