$94 Cheap Flights from San Francisco (SFO) to Philadelphia (PHL)

View $94 flight on Sat, May 10, 2025Opens in a new window

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

Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $94 for one-way flights and $183 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Apr 29 - Wed, Apr 30
SFO
San Francisco
PHL
Philadelphia
$183 Roundtrip, just found
$183
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Apr 29 from San Francisco to Philadelphia, returning Wed, Apr 30, priced at $183 just found
Frontier Airlines
Tue, May 13 - Sat, May 17
SFO
San Francisco
TTN
Trenton
$188 Roundtrip, found 3 hours ago
$188
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Tue, May 13 from San Francisco to Trenton, returning Sat, May 17, priced at $188 found 3 hours ago
Frontier Airlines
Wed, May 21 - Wed, May 28
SFO
San Francisco
PHL
Philadelphia
$188 Roundtrip, just found
$188
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 21 from San Francisco to Philadelphia, returning Wed, May 28, priced at $188 just found
Frontier Airlines
Tue, May 13 - Thu, May 15
SFO
San Francisco
TTN
Trenton
$198 Roundtrip, found 3 hours ago
$198
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Tue, May 13 from San Francisco to Trenton, returning Thu, May 15, priced at $198 found 3 hours ago
Frontier Airlines
Tue, Apr 29 - Wed, Apr 30
SFO
San Francisco
PHL
Philadelphia
$203 Roundtrip, just found
$203
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Apr 29 from San Francisco to Philadelphia, returning Wed, Apr 30, priced at $203 just found
Frontier Airlines
Wed, May 21 - Wed, May 28
SFO
San Francisco
PHL
Philadelphia
$208 Roundtrip, just found
$208
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 21 from San Francisco to Philadelphia, returning Wed, May 28, priced at $208 just found
JetBlue Airways
Mon, May 19 - Sat, May 24
SFO
San Francisco
PHL
Philadelphia
$235 Roundtrip, found 4 hours ago
$235
Roundtrip
found 4 hours ago
Select JetBlue Airways flight, departing Mon, May 19 from San Francisco to Philadelphia, returning Sat, May 24, priced at $235 found 4 hours ago
United
Wed, May 21 - Wed, May 28
SFO
San Francisco
PHL
Philadelphia
$243 Roundtrip, just found
$243
Roundtrip
just found
Select United flight, departing Wed, May 21 from San Francisco to Philadelphia, returning Wed, May 28, priced at $243 just found
American Airlines
Sat, Jul 5 - Sun, Jul 27
SFO
San Francisco
PHL
Philadelphia
$259 Roundtrip, found 6 days ago
$259
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Jul 5 from San Francisco to Philadelphia, returning Sun, Jul 27, priced at $259 found 6 days ago
Delta
Tue, Jul 1 - Thu, Jul 3
SFO
San Francisco
PHL
Philadelphia
$307 Roundtrip, just found
$307
Roundtrip
just found
Select Delta flight, departing Tue, Jul 1 from San Francisco to Philadelphia, returning Thu, Jul 3, priced at $307 just found
Flights from San Francisco (SFO) to Philadelphia (PHL)
Origin airport
San Francisco Intl.
Destination airport
Philadelphia Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$182
Distance
2515 mi
Average flight time
8 hours 28 mins

San Francisco to Philadelphia Flights

The cheapest times to fly from San Francisco to Philadelphia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Philadelphia are during the month of April. You can find some of the cheapest flights from San Francisco to Philadelphia with Expedia's search tool and vast selection of airlines.

The best time to book a flight from San Francisco to Philadelphia

Sunday is one of the best days to book for cheap flights from San Francisco to Philadelphia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from San Francisco to Philadelphia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $94 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Philadelphia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Philadelphia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Philadelphia Intl. Airport (PHL) cost?
You can score cheap return flights from San Francisco Intl. Airport (SFO) to Philadelphia Intl. Airport (PHL) starting from $229. Book a seat and get ready for takeoff. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving SFO on May 7 2025 and touching down at PHL. The price was last updated on April 19 2025 and has not changed since.
What is the cheapest month to fly from SFO to PHL?
The cheapest flights from SFO to PHL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from San Francisco Intl. Airport (SFO) to Philadelphia Intl. Airport (PHL)?
You can travel nonstop from San Francisco Intl. Airport (SFO) to Philadelphia Intl. Airport (PHL) on an American Airlines flight.
What is the cheapest airline that flies from SFO to PHL?
With fares starting at $115 for a one-way flight from SFO to PHL, American Airlines is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SFO on July 5 2025. Prices were last updated on April 19 2025 and have not changed since.
How many flights per day from San Francisco Intl. Airport (SFO) to Philadelphia Intl. Airport (PHL)?
With an average of 3 direct flights that operate from San Francisco Intl. Airport (SFO) to Philadelphia Intl. Airport (PHL) every day, you’ll be on your way in no time.
What are the most popular departure times for flights from San Francisco Intl. Airport (SFO) to Philadelphia Intl. Airport (PHL)?
Flights between SFO and PHL tend to be busiest at 7 AM. If you’re after a more relaxed atmosphere and possibly cheaper prices, choose a departure outside the usual busy windows.
What day of the week has the most flights from SFO to PHL?
If you jet off on a Friday, you’ll get the biggest range of choices for flights from San Francisco Intl. Airport (SFO) to Philadelphia Intl. Airport (PHL).
What is the earliest flight from San Francisco Intl. Airport (SFO) to Philadelphia Intl. Airport (PHL)?
The earliest flight leaving from San Francisco Intl. Airport (SFO) is at around 7:30AM UTC-8. Catch this flight and you’ll touch down at Philadelphia Intl. Airport (PHL) at approximately 3:51PM UTC-5. The total time in the air is 5h 21m.
How long does it take to fly from San Francisco Intl. Airport (SFO) to Philadelphia Intl. Airport (PHL)?
The average flight duration from SFO to PHL is 5 hours and 24 minutes, covering a distance of 2,500 mi.
What airline has the least delays from SFO to PHL?
Consider traveling with Alaska Airlines if you’d like to fly straight from San Francisco Intl. Airport (SFO) to Philadelphia Intl. Airport (PHL) without any holdups. This carrier has the best track record for punctuality, with an on-time score of 85%. Want to get notified of any changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Philadelphia Intl. Airport (PHL)?
To avoid potential delays on the San Francisco Intl. Airport (SFO) to Philadelphia Intl. Airport (PHL) route, aim to travel before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Philadelphia from San Francisco Intl. Airport (SFO)?
Check out your flight options from San Francisco Intl. Airport (SFO) to Philadelphia Intl. Airport (PHL). This is the only airport in Philadelphia you can fly into if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Philadelphia Intl. Airport (PHL) last-minute?
Booking your flight from SFO to PHL just before your trip is generally more expensive. But if you’re flexible with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a SFO to PHL flight and hotel package?
Compared with arranging flights and hotels separately, booking a SFO to PHL flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place will take the hassle out of planning your trip. Just secure your flights and choose from our wide range of hotels, then tailor your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Philadelphia Intl. Airport (PHL)?
If you reserved your SFO to PHL flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you’d like more information.

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*Available to One Key members.