฿4,995 Cheap Flights from Philadelphia (PHL) to San Francisco (SFO)

View ฿4,995 flight on Mon, 29 Sept 2025Opens in a new window

Popular airlines from Philadelphia International Airport (PHL) to San Francisco International Airport (SFO)

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Cheap Flights from Philadelphia (PHL) to San Francisco (SFO)

Prices were available within the past 7 days and start at ฿4,995 for one-way flights and ฿9,760 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 23 Oct - Wed, 29 Oct
PHL
Philadelphia
SFO
San Francisco
฿9,760 Return, found 3 days ago
฿9,760
Return
found 3 days ago
Select Delta flight, departing Thu, 23 Oct from Philadelphia to San Francisco, returning Wed, 29 Oct, priced at ฿9,760 found 3 days ago
Delta
Sat, 25 Oct - Sat, 1 Nov
PHL
Philadelphia
SFO
San Francisco
฿9,980 Return, found 3 days ago
฿9,980
Return
found 3 days ago
Select Delta flight, departing Sat, 25 Oct from Philadelphia to San Francisco, returning Sat, 1 Nov, priced at ฿9,980 found 3 days ago
Delta
Thu, 6 Nov - Fri, 14 Nov
PHL
Philadelphia
SFO
San Francisco
฿10,450 Return, found 3 days ago
฿10,450
Return
found 3 days ago
Select Delta flight, departing Thu, 6 Nov from Philadelphia to San Francisco, returning Fri, 14 Nov, priced at ฿10,450 found 3 days ago
Delta
Thu, 23 Oct - Wed, 29 Oct
PHL
Philadelphia
SFO
San Francisco
฿10,945 Return, found 3 days ago
฿10,945
Return
found 3 days ago
Select Delta flight, departing Thu, 23 Oct from Philadelphia to San Francisco, returning Wed, 29 Oct, priced at ฿10,945 found 3 days ago
Delta
Sat, 25 Oct - Sat, 1 Nov
PHL
Philadelphia
SFO
San Francisco
฿11,150 Return, found 3 days ago
฿11,150
Return
found 3 days ago
Select Delta flight, departing Sat, 25 Oct from Philadelphia to San Francisco, returning Sat, 1 Nov, priced at ฿11,150 found 3 days ago
Delta
Thu, 23 Oct - Wed, 29 Oct
PHL
Philadelphia
SFO
San Francisco
฿11,270 Return, found 3 days ago
฿11,270
Return
found 3 days ago
Select Delta flight, departing Thu, 23 Oct from Philadelphia to San Francisco, returning Wed, 29 Oct, priced at ฿11,270 found 3 days ago
Delta
Thu, 6 Nov - Fri, 14 Nov
PHL
Philadelphia
SFO
San Francisco
฿11,630 Return, found 3 days ago
฿11,630
Return
found 3 days ago
Select Delta flight, departing Thu, 6 Nov from Philadelphia to San Francisco, returning Fri, 14 Nov, priced at ฿11,630 found 3 days ago
Delta
Sat, 25 Oct - Sat, 1 Nov
PHL
Philadelphia
SFO
San Francisco
฿11,780 Return, found 3 days ago
฿11,780
Return
found 3 days ago
Select Delta flight, departing Sat, 25 Oct from Philadelphia to San Francisco, returning Sat, 1 Nov, priced at ฿11,780 found 3 days ago
United
Thu, 23 Oct - Wed, 29 Oct
PHL
Philadelphia
SFO
San Francisco
฿11,905 Return, found 3 days ago
฿11,905
Return
found 3 days ago
Select United flight, departing Thu, 23 Oct from Philadelphia to San Francisco, returning Wed, 29 Oct, priced at ฿11,905 found 3 days ago
American Airlines
Sat, 25 Oct - Sat, 1 Nov
PHL
Philadelphia
SFO
San Francisco
฿12,655 Return, found 3 days ago
฿12,655
Return
found 3 days ago
Select American Airlines flight, departing Sat, 25 Oct from Philadelphia to San Francisco, returning Sat, 1 Nov, priced at ฿12,655 found 3 days ago

Find the cheapest month to fly from Philadelphia (PHL) to San Francisco (SFO)

March is typically the cheapest month to fly

From ฿4,525 - ฿14,173 per traveller.

Graph displaying average flight prices per month

Flight from Philadelphia to San Francisco route information
Origin airport
Philadelphia Intl.
Destination airport
San Francisco Intl.
Return price
฿9,760
Distance
4025 km
Average flight time
4 hours 26 mins

Perfect flights from Philadelphia to San Francisco

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Philadelphia to San Francisco. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Philadelphia Intl. to San Francisco Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿4,995 and roundtrip prices from ฿9,760. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at San Francisco Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in San Francisco.

Frequently asked questions

How much is a flight from Philadelphia Airport to SFO?
Round-trip tickets between PHL and San Francisco Intl. Airport (SFO) start from ฿9,760. This is based on fares offered within the last 7 days on Expedia for flights departing within the next year — book now so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Philadelphia Airport to San Francisco Airport?
We get that your situation can change unexpectedly, so we've made it as easy as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Philadelphia Intl. Airport (PHL) to SFO that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Philadelphia Intl. Airport (PHL) to San Francisco Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Philadelphia Intl. Airport (PHL) to San Francisco Intl. Airport (SFO)?
Philadelphia to San Francisco is around 4,100 kilometres, so get ready to spend a while in the air. Make sure you pack all the essentials, from your eye mask to your earphones. Take a few snacks to nibble on throughout your flight too.
Which airlines fly direct from PHL to SFO?
American Airlines (AA) is the preferred option for many travellers. It operates 65 flights between Philadelphia Airport and SFO each month. You could also take a look at fares with United Airlines (UA). It operates 30 flights a month between Philadelphia and San Francisco.
Are PHL to SFO flight tickets cheaper when they're purchased at the last minute?
Flight prices are constantly going up and down, so not always. While last-minute flight deals between Philadelphia Intl. Airport (PHL) and San Francisco Intl. Airport (SFO) are possible, it also makes sense to keep track of prices well before you fly. In fact, some carriers advertise their prices up to a year ahead of the departure date. Expedia is constantly updating the best airfare bargains around, so check back often and be ready to book when prices drop.

Explore a world of travel with Expedia

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