How popular is this Philadelphia to San Francisco flight route?

This flight path from Philadelphia to San Francisco was viewed by 9 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?

Departing from Philadelphia to San Francisco will take you 6h 22m. The distance between Philadelphia and San Francisco is about 2513 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

Weekly flight availability from Philadelphia to San Francisco

The most flights from PHL to SFO are scheduled on a Wednesday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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

The top 3 most reliable airlines when flying from Philadelphia to San Francisco are Air China (100%), ANA (92%) and American Airlines (77%).

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 holiday 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.

£154+ Cheap Flights from Philadelphia to San Francisco

Cheapflights Tip: The best prices from Philadelphia to San Francisco are usually found in April or February, booked 83 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Philadelphia to San Francisco

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 9 October 2026.

Tue 27/1017:58 -

1 stop9h 27m

Sun 1/1122:10 -

1 stop8h 27m

Deal found 8/10£272

Wed 28/1017:58 -

1 stop9h 27m

Sun 1/1122:10 -

1 stop8h 27m

Deal found 8/10£273

Thu 22/1006:30 -

1 stop9h 56m

Thu 29/1011:30 -

1 stop9h 13m

Deal found 6/10£274

Tue 10/1107:02 -

2 stops15h 08m

Tue 17/1107:00 -

2 stops19h 32m

Deal found 8/10£278

Thu 5/1115:35 -

1 stop11h 50m

Tue 10/1111:15 -

1 stop9h 28m

Deal found 8/10£279

Fri 30/1017:58 -

1 stop9h 27m

Sun 1/1122:10 -

1 stop8h 27m

Deal found 6/10£281

Fri 30/1013:18 -

1 stop12h 16m

Thu 5/1111:30 -

1 stop9h 13m

Deal found 5/10£282

Sat 24/1015:26 -

1 stop12h 24m

Sat 31/1007:30 -

1 stop10h 41m

Deal found 9/10£283

Wed 28/1006:00 -

2 stops9h 45m

Sun 1/1112:10 -

1 stop8h 55m

Deal found 8/10£284

Fri 6/1115:35 -

1 stop11h 50m

Sun 8/1122:10 -

1 stop8h 27m

Deal found 5/10£285

Wed 11/1107:02 -

1 stop11h 59m

Sat 5/1217:50 -

1 stop8h 50m

Deal found 7/10£287

Find flight deals from Philadelphia to San Francisco

Round-trip from	£272
One-way from	£154
Popular in	November
Cheapest in	April
Average price	£337

JetBlue
27/10-1/11
2 total stops
17h 54m total
Philadelphia to San Francisco

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Southwest
19/12-31/12
2 total stops
11h 05m total
Philadelphia to San Francisco

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (£5 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 0% potential price decrease (£2 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PhiladelphiaSan Francisco

PHL Philadelphia - SFO San Francisco

PHLSFO

Philadelphia

Sun 20/12

14:15-20:35

2 stops9h 20m

San Francisco

Wed 31/12

00:00-03:00

Nonstop0h 00m

£159

PhiladelphiaSan Francisco

PHL Philadelphia - SFO San Francisco

PHLSFO

Philadelphia

Sat 19/12

13:10-00:30

1 stop14h 20m

San Francisco

Wed 31/12

00:00-03:00

Nonstop0h 00m

£163

PhiladelphiaSan Francisco

PHL Philadelphia - SFO San Francisco

PHLSFO

Philadelphia

Mon 21/12

11:07-22:55

1 stop14h 48m

San Francisco

Wed 31/12

00:00-03:00

Nonstop0h 00m

£180

PhiladelphiaSan Francisco

PHL Philadelphia - SFO San Francisco

PHLSFO

Philadelphia

Wed 23/12

14:15-21:55

2 stops10h 40m

San Francisco

Wed 31/12

00:00-03:00

Nonstop0h 00m

£181

PhiladelphiaSan Francisco

PHL Philadelphia - SFO San Francisco

PHLSFO

Philadelphia

Sun 25/10

05:20-10:15

1 stop7h 55m

San Francisco

Wed 31/12

00:00-03:00

Nonstop0h 00m

£189

PhiladelphiaSan Francisco

PHL Philadelphia - SFO San Francisco

PHLSFO

Philadelphia

Wed 21/10

05:30-10:25

1 stop7h 55m

San Francisco

Wed 31/12

00:00-03:00

Nonstop0h 00m

£189

PhiladelphiaSan Francisco

PHL Philadelphia - SFO San Francisco

PHLSFO

Philadelphia

Sun 1/11

06:00-09:22

Nonstop6h 22m

San Francisco

Wed 31/12

00:00-03:00

Nonstop0h 00m

£222

Fastest return journey

PhiladelphiaSan Francisco

PHL Philadelphia - SFO San Francisco

PHLSFO

Philadelphia

Mon 22/3

06:10-09:28

Nonstop6h 18m

San Francisco

Wed 31/12

00:00-03:00

Nonstop0h 00m

£222

PhiladelphiaSan Francisco

PHL Philadelphia - SFO San Francisco

PHLSFO

Philadelphia

Wed 14/10

13:50-21:40

2 stops10h 50m

San Francisco

Wed 31/12

00:00-03:00

Nonstop0h 00m

£223

PhiladelphiaSan Francisco

PHL Philadelphia - SFO San Francisco

PHLSFO

Philadelphia

Sat 9/1

12:09-18:47

1 stop9h 38m

San Francisco

Wed 31/12

00:00-03:00

Nonstop0h 00m

£230

Flights are sorted by cheapest return flights first.

Deals found on 5/10

Showing 1-10 of 22 resultsSorted by cheapest first

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.

PHL-SFO

Estimated return 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

Prices

Airlines

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

The best time to book flights from Philadelphia to San Francisco is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, April is the cheapest month in which you can book a flight from Philadelphia to San Francisco (average of £300). Flying from Philadelphia to San Francisco in November is currently the most expensive (average of £350). 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?

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

How much does it cost for a return flight from Philadelphia to San Francisco?

Airfare is below average for this route at the moment.

Philadelphia to San Francisco flights typically cost between £287 and £395 in October.
The cheapest return price found within the last 5 days was £272 on JetBlue (27 Oct–1 Nov).

Related info for your journey

How popular is this Philadelphia to San Francisco flight route?
This flight path from Philadelphia to San Francisco was viewed by 9 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?
Departing from Philadelphia to San Francisco will take you 6h 22m. The distance between Philadelphia and San Francisco is about 2513 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most reliable airlines from Philadelphia to San Francisco?
The top 3 most reliable airlines when flying from Philadelphia to San Francisco are Air China (100%), ANA (92%) and American Airlines (77%).
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 holiday 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, April is the cheapest month in which you can book a flight from Philadelphia to San Francisco (average of £300). Flying from Philadelphia to San Francisco in November is currently the most expensive (average of £350). 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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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Philadelphia to San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Philadelphia to San Francisco?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Philadelphia to San Francisco for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Philadelphia to San Francisco with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Philadelphia to San Francisco, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Philadelphia to San Francisco become cheaper?

Yes, Cheapflights offers price alerts on Philadelphia to San Francisco flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Philadelphia to San Francisco from £154

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Philadelphia to San Francisco

Cheapest flights from Philadelphia to San FranciscoExplore 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 9 October 2026.

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 9 October 2026.

Best flights from Philadelphia to San FranciscoDiscover carefully curated flight deals from Philadelphia to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 October 2026.

Discover carefully curated flight deals from Philadelphia to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 October 2026.

Direct flights from Philadelphia to San FranciscoExplore direct flight options from Philadelphia to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 October 2026.

Explore direct flight options from Philadelphia to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 October 2026.

Last-minute flights from Philadelphia to San FranciscoDiscover last-minute flight deals from Philadelphia to San Francisco. Data last updated 9 October 2026 and is based on user searches.

Discover last-minute flight deals from Philadelphia to San Francisco. Data last updated 9 October 2026 and is based on user searches.

One-way flights from Philadelphia to San FranciscoSearch for one-way flight options from Philadelphia to San Francisco. Find affordable one-way fares based on user searches. Data last updated 9 October 2026.

Search for one-way flight options from Philadelphia to San Francisco. Find affordable one-way fares based on user searches. Data last updated 9 October 2026.

Find flight deals from Philadelphia to San Francisco

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to San Francisco that are best for you.

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.

Cheapflights Insights

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

The best time to book flights from Philadelphia to San Francisco is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

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

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

How much does it cost for a return flight from Philadelphia to San Francisco?

Airfare is below average for this route at the moment.

Philadelphia to San Francisco flights typically cost between £287 and £395 in October.The cheapest return price found within the last 5 days was £272 on JetBlue (27 Oct–1 Nov).

Weekly flight availability from Philadelphia to San Francisco

The most flights from PHL to SFO are scheduled on a Wednesday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

Related info for your journey

How popular is this Philadelphia to San Francisco flight route?

How long is the flight from Philadelphia to San Francisco?

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

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

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

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

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

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Philadelphia and San Francisco flights

Browse other Philadelphia and San Francisco flight options. Last updated on 9 October 2026.

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How does Cheapflights help users find flights from Philadelphia to San Francisco?

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Can Cheapflights find flights from Philadelphia to San Francisco with no change fees?

Can Cheapflights notify me if prices for flights from Philadelphia to San Francisco become cheaper?

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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 9 October 2026.

Best flights from Philadelphia to San Francisco
Discover carefully curated flight deals from Philadelphia to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 October 2026.

Direct flights from Philadelphia to San Francisco
Explore direct flight options from Philadelphia to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 October 2026.

Last-minute flights from Philadelphia to San Francisco
Discover last-minute flight deals from Philadelphia to San Francisco. Data last updated 9 October 2026 and is based on user searches.

One-way flights from Philadelphia to San Francisco
Search for one-way flight options from Philadelphia to San Francisco. Find affordable one-way fares based on user searches. Data last updated 9 October 2026.

Philadelphia to San Francisco flights typically cost between £287 and £395 in October.
The cheapest return price found within the last 5 days was £272 on JetBlue (27 Oct–1 Nov).