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Cheap flights from San Francisco to Philadelphia from £130

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — PHL
10 May — 17 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Francisco to Philadelphia

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to Philadelphia
Explore the most affordable flight options available from San Francisco to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 April 2026.

Fri 6/1108:15
SFO
-
PHL
1 stop18h 12m
Alaska Airlines
Mon 9/1117:15
PHL
-
SFO
1 stop9h 24m
Alaska Airlines
Deal found 8/4£245
Wed 2/1216:44
SFO
-
PHL
1 stop9h 43m
Alaska Airlines
Wed 9/1207:00
PHL
-
SFO
1 stop9h 48m
Alaska Airlines
Deal found 10/4£260
Sat 23/507:44
SFO
-
PHL
Nonstop5h 35m
American Airlines
Sat 30/517:35
PHL
-
SFO
Nonstop6h 15m
American Airlines
Deal found 8/4£262
Thu 2/717:30
SFO
-
PHL
1 stop9h 01m
United Airlines
Sat 11/706:00
PHL
-
SFO
Nonstop5h 58m
United Airlines
Deal found 5/4£265
Mon 4/523:20
SFO
-
PHL
Nonstop5h 40m
United Airlines
Sat 9/515:10
PHL
-
SFO
1 stop9h 39m
United Airlines
Deal found 5/4£268
Fri 31/719:24
SFO
-
PHL
1 stop7h 49m
Delta
Tue 18/806:45
PHL
-
SFO
1 stop7h 56m
Delta
Deal found 9/4£275
Wed 23/909:35
SFO
-
PHL
2 stops11h 15m
Southwest
Mon 28/905:25
PHL
-
SFO
1 stop8h 50m
Southwest
Deal found 6/4£279
Mon 6/717:30
SFO
-
PHL
1 stop9h 01m
United Airlines
Mon 20/706:00
PHL
-
SFO
Nonstop5h 58m
United Airlines
Deal found 9/4£280
Tue 5/508:24
SFO
-
PHL
Nonstop5h 35m
United Airlines
Mon 11/519:45
PHL
-
SFO
1 stop8h 31m
United Airlines
Deal found 7/4£282
Thu 27/806:20
SFO
-
PHL
1 stop11h 45m
Southwest
Mon 31/812:45
PHL
-
SFO
2 stops9h 20m
Southwest
Deal found 8/4£283
Wed 27/505:55
SFO
-
PHL
2 stops8h 55m
Southwest
Sat 30/515:45
PHL
-
SFO
1 stop8h 00m
Southwest
Deal found 8/4£286

Find flight deals from San Francisco to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Philadelphia (PHL). 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 10 April 2026.

Round-trip from

£260

One-way from

£130

Popular in

December

Cheapest in

February

Average price

£318
United Airlines
  • United Airlines
  • 8/5-15/5
  • Nonstop
  • 11h 52m total
  • San Francisco to Philadelphia
Search Deals
20/4
  • 20/4
  • 3 total stops
  • 32h 11m total
  • San Francisco to Philadelphia
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£24 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Francisco to Philadelphia 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 858,174 searches. Data last updated 10 April 2026.
Use the filters below to find and compare flights from San Francisco to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Wed 10/6

21:30-09:45

1 stop9h 15m

Philadelphia

Tue 16/6

09:25-12:34

Nonstop6h 09m

£268

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Wed 3/6

16:48-01:29

Nonstop5h 41m

Philadelphia

Sun 7/6

06:00-08:58

Nonstop5h 58m

£287

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Sat 23/5

23:25-11:45

1 stop9h 20m

Philadelphia

Sat 30/5

12:25-21:20

2 stops11h 55m

£297

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Thu 20/8

11:52-15:44

1 stop24h 52m

Philadelphia

Mon 24/8

16:44-23:28

1 stop9h 44m

£300

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Wed 23/9

09:35-23:50

2 stops11h 15m

Philadelphia

Mon 28/9

12:45-19:05

2 stops9h 20m

£308
Fastest return journey

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Fri 5/6

23:20-07:50

Nonstop5h 30m

Philadelphia

Sun 14/6

06:00-08:58

Nonstop5h 58m

£308

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Sat 25/4

05:40-18:35

2 stops9h 55m

Philadelphia

Sat 2/5

12:25-21:20

2 stops11h 55m

£312

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Sat 6/6

06:10-18:35

2 stops9h 25m

Philadelphia

Wed 10/6

13:50-22:15

2 stops11h 25m

£312

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Tue 26/5

20:30-10:30

2 stops11h 00m

Philadelphia

Mon 1/6

18:45-00:12

1 stop8h 27m

£318

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Thu 25/6

11:00-00:40

2 stops10h 40m

Philadelphia

Tue 30/6

16:35-23:15

2 stops9h 40m

£331

Flights are sorted by cheapest return flights first.

Deals found on 5/4

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from San Francisco to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from San Francisco with our price prediction graph.
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 San Francisco to Philadelphia

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

Use this chart to determine the optimal time to book a return flight from San Francisco to Philadelphia. Price data was last updated on 3 April 2026.

To ensure you get the cheapest price possible for a flight from San Francisco to Philadelphia, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, May is the cheapest month in which you can book a flight from San Francisco to Philadelphia (average of £82). Flying from San Francisco to Philadelphia in March is currently the most expensive (average of £162). 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 SFO to PHL?

Find hourly flight availability from San Francisco to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 April 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Philadelphia as you normally would.

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

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated 10 April 2026.
Read through reviews of airlines operating flights from San Francisco to Philadelphia, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,564 reviews
Check prices

Boarding

7.5

Overall

7.1

Entertainment

6.8

Food

6.4

Crew

7.9

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sept 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.1
Good
11,564 reviews
American Airlines
7.1
Good
11,564 reviews
Check prices

Boarding

7.5

Overall

7.1

Entertainment

6.8

Food

6.4

Crew

7.9

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sept 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Philadelphia. 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 San Francisco to Philadelphia?

    Booking a flight from San Francisco (SFO) to Philadelphia (PHL) is your only option if you wish to fly from San Francisco to Philadelphia. On a typical day, there are 13 flights from San Francisco to Philadelphia, all of which are around 5h 30m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from San Francisco to Philadelphia.

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

    Within the past month, 1 users have taken a look at flights from San Francisco to Philadelphia.

  • How long is the flight from San Francisco to Philadelphia?

    For as low as £268, United Airlines can have you in Philadelphia from San Francisco in 9h 15m. Airlines will cover a distance of 2513 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from San Francisco to Philadelphia round-trip?

    American Airlines, at £216, was found to be the cheapest airline from San Francisco to Philadelphia.. Users have found that American Airlines is 33% cheaper than the other options available to this destination.

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

    Consider British Airways (96%), Qatar Airways (94%) or Air China (94%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to Philadelphia.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Philadelphia.

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

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

    Currently, May is the cheapest month in which you can book a flight from San Francisco to Philadelphia (average of £82). Flying from San Francisco to Philadelphia in March is currently the most expensive (average of £162). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from San Francisco to Philadelphia

Discover the top airline that operate flights from San Francisco to Philadelphia. 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 858,174 searches. Data last updated 10 April 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£216Average£260FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

When you search for this flight from San Francisco to Philadelphia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Philadelphia from San Francisco.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco to Philadelphia flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on San Francisco to Philadelphia 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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