What is the cheapest airline that flies from Philadelphia to San Francisco?

Frontier, JetBlue, and Southwest are the most popular carriers operating from Philadelphia to San Francisco

Which layover airport has the shortest connection time from Philadelphia to San Francisco?

Las Vegas (LAS) has the shortest average layover time for this route: 1h 09m.

Which airport is the most popular layover for flights between Philadelphia and San Francisco?

Atlanta (ATL) was the most common stop: 43% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Philadelphia to San Francisco?

Flights via Boston (BOS) offer the lowest average round-trip price of $246.

What airlines fly to San Francisco?

United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to San Francisco from Philadelphia according to our data. United Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 10 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Philadelphia to San Francisco?

Flights connecting via Las Vegas (LAS) have the shortest average one-way travel time: 8h 07m.

How many flights depart from Philadelphia to San Francisco on average per day?

As of August 2025, 16 flights take off from Philadelphia and land in San Francisco each day. The most common flight departure time for this route is 6:00AM, with 43% of daily flights taking off at noon.

How many flights depart from Philadelphia to San Francisco on average per week?

The number of flights available between Philadelphia and San Francisco is 116 per week as of August 2025. The most frequent departure day is Thu, with 18% of weekly flights leaving on this day.

When did momondo last update prices for flights from Philadelphia Airport to San Francisco Airport?

Prices for flights from Philadelphia Airport to San Francisco Airport refresh daily.

How many operators does momondo search for flights from Philadelphia Airport to San Francisco Airport?

The number of operators available for flights from Philadelphia Airport to San Francisco Airport is 7 as of August 2025.

How old do you have to be to fly from Philadelphia Airport to San Francisco Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$127 Cheap Flights from Philadelphia to San Francisco (PHL-SFO) in 2025

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Find the cheapest flights from Philadelphia to San Francisco (PHL-SFO)

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:50 pm - 11:43 pmPHL-SFO

7h 53m1 stop

12:35 am - 10:56 amSFO-PHL

7h 21m1 stop

$289Delta

Find Deal

vie., oct. 10 - lun., oct. 13

7:01 am - 10:07 amPHL-SFO

6h 06mnonstop

6:25 am - 2:48 pmSFO-PHL

5h 23mnonstop

$290American Airlines

Find Deal

jue., sep. 11 - mié., sep. 17

5:15 am - 6:19 pmPHL-SFO

16h 04m2 stops

2:12 pm - 5:55 amSFO-PHL

12h 43m1 stop

$291Frontier

Find Deal

lun., sep. 22 - lun., sep. 29

9:14 pm - 10:55 amPHL-SFO

40h 41m2 stops

10:23 pm - 11:00 amSFO-PHL

9h 37m1 stop

$292Frontier

Find Deal

mar., oct. 14 - sáb., oct. 25

8:36 am - 2:49 pmPHL-SFO

9h 13m1 stop

8:49 pm - 7:51 amSFO-PHL

8h 02m1 stop

$293JetBlue

Find Deal

jue., dic. 25 - dom., ene. 4

8:15 am - 4:34 pmPHL-SFO

11h 19m1 stop

8:55 am - 5:28 pmSFO-PHL

5h 33mnonstop

$295United Airlines

Find Deal

sáb., sep. 13 - sáb., sep. 20

6:33 pm - 9:35 pmPHL-SFO

6h 02mnonstop

12:43 am - 11:59 amSFO-PHL

8h 16m1 stop

$299United Airlines

Find Deal

lun., sep. 15 - vie., sep. 19

4:55 pm - 10:30 pmPHL-SFO

8h 35m1 stop

5:30 am - 5:15 pmSFO-PHL

8h 45m2 stops

$302Southwest

Find Deal

mié., dic. 10 - mar., dic. 16

3:55 pm - 11:59 pmPHL-SFO

11h 04m1 stop

8:40 am - 9:50 pmSFO-PHL

10h 10m1 stop

$305JetBlue

Find Deal

sáb., sep. 6 - mar., sep. 9

11:40 am - 6:35 pmPHL-SFO

9h 55m2 stops

9:25 am - 9:15 pmSFO-PHL

8h 50m2 stops

$307Southwest

Find Deal

mié., dic. 10 - mar., dic. 16

American Airlines flights from Philadelphia to San Francisco

Our best American Airlines deals on Philadelphia to San Francisco flight tickets

American Airlines

Sep 11

PHL7:01 amPhiladelphia

6h 06m

SFO10:07 amSan Francisco

Sep 17

SFO6:25 amSan Francisco

5h 23m

PHL2:48 pmPhiladelphia

$290

Find similar

American Airlines

Sep 6

PHL8:13 amPhiladelphia

6h 01m

SFO11:14 amSan Francisco

Sep 16

SFO10:30 pmSan Francisco

5h 16m

PHL6:46 amPhiladelphia

$311

Find similar

American Airlines

Sep 8

PHL7:01 amPhiladelphia

6h 06m

SFO10:07 amSan Francisco

Sep 14

SFO10:30 pmSan Francisco

5h 16m

PHL6:46 amPhiladelphia

$320

Find similar

Delta flights from Philadelphia to San Francisco

Our best Delta deals on Philadelphia to San Francisco flight tickets

Delta

Oct 10

PHL6:50 pmPhiladelphia

7h 53m

1 stop

SFO11:43 pmSan Francisco

Oct 13

SFO12:35 amSan Francisco

7h 21m

1 stop

PHL10:56 amPhiladelphia

$289

Find similar

Delta

Nov 5

PHL7:00 pmPhiladelphia

15h 25m

2 stops

SFO7:25 amSan Francisco

Nov 7

SFO12:35 amSan Francisco

7h 21m

1 stop

PHL10:56 amPhiladelphia

$296

Find similar

Delta

Sep 17

PHL7:00 amPhiladelphia

8h 25m

1 stop

SFO12:25 pmSan Francisco

Sep 24

SFO11:59 amSan Francisco

9h 55m

1 stop

PHL12:54 amPhiladelphia

$297

Find similar

momondo 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

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

vie. 10/10

6:50 pm-11:43 pm

1 stop7h 53m

San Francisco

lun. 10/13

12:35 am-10:56 am

1 stop7h 21m

$289

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

jue. 9/11

7:01 am-10:07 am

Nonstop6h 06m

San Francisco

mié. 9/17

6:25 am-2:48 pm

Nonstop5h 23m

$290

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

lun. 9/22

5:15 am-6:19 pm

2 stops16h 04m

San Francisco

lun. 9/29

2:12 pm-5:55 am

1 stop12h 43m

$291

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

mar. 10/14

9:14 pm-10:55 am

2 stops40h 41m

San Francisco

sáb. 10/25

10:23 pm-11:00 am

1 stop9h 37m

$292

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

jue. 12/25

8:36 am-2:49 pm

1 stop9h 13m

San Francisco

dom. 1/4

8:49 pm-7:51 am

1 stop8h 02m

$293

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

sáb. 9/13

8:15 am-4:34 pm

1 stop11h 19m

San Francisco

sáb. 9/20

8:55 am-5:28 pm

Nonstop5h 33m

$295

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

lun. 9/15

6:33 pm-9:35 pm

Nonstop6h 02m

San Francisco

vie. 9/19

12:43 am-11:59 am

1 stop8h 16m

$299

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

mié. 12/10

4:55 pm-10:30 pm

1 stop8h 35m

San Francisco

mar. 12/16

5:30 am-5:15 pm

2 stops8h 45m

$302

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

sáb. 9/6

3:55 pm-11:59 pm

1 stop11h 04m

San Francisco

mar. 9/9

8:40 am-9:50 pm

1 stop10h 10m

$305

PhiladelphiaSan Francisco

PHL - SFO

PHLSFO

Philadelphia

mié. 12/10

11:40 am-6:35 pm

2 stops9h 55m

San Francisco

mar. 12/16

9:25 am-9:15 pm

2 stops8h 50m

$307

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Philadelphia to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

Other information

What is the typical price of a round-trip flight between Philadelphia and San Francisco?

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $367.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Philadelphia to San Francisco is on a Wednesday when prices can be found for as low as $417. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $583.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Philadelphia to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $317. Flights in the afternoon are often more expensive with an average ticket price of $473.

What is the cheapest Philadelphia to San Francisco flight route?

Fly from Philadelphia to San Francisco for the best Philadelphia - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $394 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Philadelphia for as low as $341 on momondo.

What cabin class options are available on Philadelphia to San Francisco flights?

There are 4 cabin classes available to choose from on Philadelphia to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Philadelphia to San Francisco flights?

No. A direct flight is the cheapest option for a flight between Philadelphia to San Francisco.

How have Philadelphia to San Francisco flight prices changed over time?

As of August 2025, prices for Philadelphia to San Francisco flights are approximately 23% more expensive when compared to flights at the same time last year.

When to book flights from Philadelphia to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to San Francisco according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Philadelphia to San Francisco (PHL to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to San Francisco

Best Price Found	$323
Fastest flight time	5h 53m
Direct flights	Every day
Airports in San Francisco	1 airport

The best one-way flight to San Francisco from Philadelphia in the past 72 hours is $323. The best round-trip flight deal from Philadelphia to San Francisco found on momondo in the last 72 hours is $319.

The fastest flight from Philadelphia to San Francisco takes 5h 53m

Direct flights go from Philadelphia to San Francisco every day.

There is 1 airport near San Francisco: San Francisco (SFO)

Search flight deals

How far is Philadelphia to San Francisco by plane?
A flight from Philadelphia to San Francisco will travel around 2514.9 mi. 6h 01m is a normal flight duration for this route.
When did momondo last update prices for flights from Philadelphia Airport to San Francisco Airport?
Prices for flights from Philadelphia Airport to San Francisco Airport refresh daily.
How many operators does momondo search for flights from Philadelphia Airport to San Francisco Airport?
The number of operators available for flights from Philadelphia Airport to San Francisco Airport is 7 as of August 2025.
How old do you have to be to fly from Philadelphia Airport to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Philadelphia to San Francisco?
Based on momondo bookings for flights between Philadelphia and San Francisco, the leading plane model is Boeing 737 MAX 8, making up 48.20% of the total bookings. Other popular models include Boeing 737-900 with 31.39%, Boeing 737-800 with 7.33%, and Airbus A321neo with 3.65%.
What is the most popular airline from Philadelphia to San Francisco?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Philadelphia to San Francisco is American Airlines (71% of total bookings). The next most popular airlines are United Airlines (21%), Frontier (5%), and Delta (2%).

Best airlines flying from Philadelphia to San Francisco

Compare and see reviews for airlines that fly from Philadelphia to San Francisco with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $122	Free Cancellation	Rating 6.3 8,035 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $135	Free Cancellation	Rating 5.8 3,207 reviews	Search Frontier flights
JetBlue	PriceFrom $136	Free Cancellation	Rating 7.2 2,916 reviews	Search JetBlue flights
Southwest	PriceFrom $231	Free Cancellation	Rating 8.0 4,245 reviews	Search Southwest flights
American Airlines	PriceFrom $263	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $276	Free Cancellation	Rating 7.9 7,981 reviews	Search Delta flights
United Airlines	PriceFrom $284	Free Cancellation	Rating 7.4 8,930 reviews	Search United Airlines flights

United Airlines Flights From Philadelphia to San Francisco
United Airlines operates around 19 flights from Philadelphia to San Francisco every week. The average price of these flights found in the last 72 hours has been $422, but momondo users have found United Airlines deals from Philadelphia to San Francisco from as low as $284 round-trip. United Airlines has been scored 7.4/10 in 8,930 reviews.
American Airlines Flights From Philadelphia to San Francisco
Across 10,000 American Airlines reviews on momondo, the average score is 7.2/10. American Airlines flies from Philadelphia to San Francisco about 20 times each week, with ticket deals ranging from $263 to $397. Price data is based on momondo searches in the last 72 hours.

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Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to San Francisco?

Finding the right flight to San Francisco from Philadelphia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco quick and easy, saving you time and money.

Can I find flights from Philadelphia to San Francisco with flexible booking policies on momondo?

Flights from Philadelphia to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Philadelphia to San Francisco?

Once all potential Philadelphia to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Philadelphia to San Francisco right now. Can momondo alert me if prices change?

Price alerts on flights to San Francisco from Philadelphia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Philadelphia to San Francisco from $127

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to San Francisco departing on 9/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Find the cheapest flights from Philadelphia to San Francisco (PHL-SFO)

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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American Airlines flights from Philadelphia to San Francisco

Our best American Airlines deals on Philadelphia to San Francisco flight tickets

Delta flights from Philadelphia to San Francisco

Our best Delta deals on Philadelphia to San Francisco flight tickets

momondo Fare Finder

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

See travel insights to San Francisco from

How to get the cheapest flight ticket from Philadelphia to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Philadelphia and San Francisco?

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $367.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Philadelphia to San Francisco is on a Wednesday when prices can be found for as low as $417. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $583.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Philadelphia to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $317. Flights in the afternoon are often more expensive with an average ticket price of $473.

What is the cheapest Philadelphia to San Francisco flight route?

Fly from Philadelphia to San Francisco for the best Philadelphia - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

What cabin class options are available on Philadelphia to San Francisco flights?

There are 4 cabin classes available to choose from on Philadelphia to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Philadelphia to San Francisco flights?

No. A direct flight is the cheapest option for a flight between Philadelphia to San Francisco.

How have Philadelphia to San Francisco flight prices changed over time?

As of August 2025, prices for Philadelphia to San Francisco flights are approximately 23% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Philadelphia to San Francisco?

Frontier, JetBlue, and Southwest are the most popular carriers operating from Philadelphia to San Francisco

What airlines fly to San Francisco?

Which airport is the most popular layover for flights between Philadelphia and San Francisco?

Atlanta (ATL) was the most common stop: 43% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Philadelphia to San Francisco?

Flights via Boston (BOS) offer the lowest average round-trip price of $246.

Which layover airport has the shortest travel time from Philadelphia to San Francisco?

Flights connecting via Las Vegas (LAS) have the shortest average one-way travel time: 8h 07m.

Which layover airport has the shortest connection time from Philadelphia to San Francisco?

Las Vegas (LAS) has the shortest average layover time for this route: 1h 09m.

How many flights depart from Philadelphia to San Francisco on average per day?

As of August 2025, 16 flights take off from Philadelphia and land in San Francisco each day. The most common flight departure time for this route is 6:00AM, with 43% of daily flights taking off at noon.

How many flights depart from Philadelphia to San Francisco on average per week?

The number of flights available between Philadelphia and San Francisco is 116 per week as of August 2025. The most frequent departure day is Thu, with 18% of weekly flights leaving on this day.

When to book flights from Philadelphia to San Francisco

Cheap Philadelphia to San Francisco (PHL to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to San Francisco

Best Price Found

Fastest flight time

Direct flights

Airports in San Francisco

How far is Philadelphia to San Francisco by plane?

When did momondo last update prices for flights from Philadelphia Airport to San Francisco Airport?

How many operators does momondo search for flights from Philadelphia Airport to San Francisco Airport?

How old do you have to be to fly from Philadelphia Airport to San Francisco Airport?

What documentation or ID do you need to fly to San Francisco Airport?

What is the most popular plane model from Philadelphia to San Francisco?

What is the most popular airline from Philadelphia to San Francisco?

Best airlines flying from Philadelphia to San Francisco

Compare and see reviews for airlines that fly from Philadelphia to San Francisco with momondo

United Airlines Flights From Philadelphia to San Francisco

American Airlines Flights From Philadelphia to San Francisco

Traveling to a place near San Francisco?

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to San Francisco?

Can I find flights from Philadelphia to San Francisco with flexible booking policies on momondo?

How can momondo help me find flights from Philadelphia to San Francisco?

I’m not ready to book a flight from Philadelphia to San Francisco right now. Can momondo alert me if prices change?

An easier way to manage your San Francisco trip