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Cheap Flights from San Francisco International to Philadelphia

Compare San Francisco International to Philadelphia flight deals

Find the cheapest month or even day of the year to fly to Philadelphia

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Flight deals from San Francisco International to Philadelphia

Looking for a cheap last-minute deal or the best return flight from San Francisco International to Philadelphia? Find the lowest prices on one-way and return tickets right here.
Philadelphia.R 1,822 per passenger.Departing Mon, 20 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Mon, 20 Oct, arriving in Philadelphia International.Price includes taxes and charges.From R 1,822, select.
Philadelphia.R 1,850 per passenger.Departing Thu, 6 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Thu, 6 Nov, arriving in Philadelphia International.Price includes taxes and charges.From R 1,850, select.
Philadelphia.R 2,410 per passenger.Departing Mon, 15 Dec.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Mon, 15 Dec, arriving in Philadelphia International.Price includes taxes and charges.From R 2,410, select.
Philadelphia.R 2,654 per passenger.Departing Thu, 12 Feb.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Francisco International on Thu, 12 Feb, arriving in Philadelphia International.Price includes taxes and charges.From R 2,654, select.
Philadelphia.R 2,666 per passenger.Departing Mon, 12 Jan.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Francisco International on Mon, 12 Jan, arriving in Philadelphia International.Price includes taxes and charges.From R 2,666, select.
Philadelphia.R 2,734 per passenger.Departing Tue, 14 Oct.One-way flight with American Airlines.Outbound direct flight with American Airlines departs from San Francisco International on Tue, 14 Oct, arriving in Philadelphia International.Price includes taxes and charges.From R 2,734, select.
Philadelphia.R 2,800 per passenger.Departing Mon, 18 May.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from San Francisco International on Mon, 18 May, arriving in Philadelphia International.Price includes taxes and charges.From R 2,800, select.
Philadelphia.R 4,136 per passenger.Departing Sat, 27 Sep.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Francisco International on Sat, 27 Sep, arriving in Philadelphia International.Price includes taxes and charges.From R 4,136, select.

Find the cheapest month to fly from San Francisco International to Philadelphia

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to Philadelphia flights are currently cheapest in October.
Sep
from R 4,136
Oct
from R 1,822
Nov
from R 1,850
Dec
from R 2,410
Jan
from R 2,666
Feb
from R 2,654
Mar
Find prices
Apr
Find prices
May
from R 2,800
Jun
from R 4,729
Jul
Find prices
Aug
from R 4,756

Direct flights from San Francisco International to Philadelphia

Alternative San Francisco International to Philadelphia routes

Looking for the cheapest, fastest or easiest route from San Francisco International to Philadelphia? You could fly into the following airports instead.

San Francisco to Philadelphia: Flight information

The things to know before you go.
Cheapest flight foundR 1,822
Cheapest month to flyOctober
Average flight time5 hrs, 22 mins
Most popular airlineAmerican Airlines
Average flights per week375

Finding cheap flights from San Francisco International to Philadelphia: Frequently asked questions

There are 6 airports in Philadelphia: Philadelphia International, Blue Bell, Philadelphia Trenton-Mercer, Greater Wilmington, Atlantic City International, and Allentown.
The best price we found for a return flight from San Francisco International to Philadelphia is R 2,921. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
5 hours and 22 minutes is the average flight time from San Francisco International to Philadelphia.
American Airlines, United and Qatar Airways fly direct from San Francisco International to Philadelphia.
As of September 2025, there are 375 flights per week flying from San Francisco International to Philadelphia.
The cheapest month to fly from San Francisco International to Philadelphia is usually October.
If you're flying from San Francisco International Airport, the cheapest airport near Philadelphia is Philadelphia International – which is 11.2 km away from the centre of Philadelphia. We've found flights into this airport from R 2,921.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Philadelphia on Wednesday, 29 October 2025.
Yes – the average flight time is 5 hours and 22 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Philadelphia but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.
In September, the average temperature is usually around 20°C. July is typically the warmest month in Philadelphia, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -5°C. The rainiest month is July.
Currently, Frontier Airlines and United offer the cheapest flight tickets to Philadelphia.

Flying from San Francisco International Airport (SFO) to Philadelphia: what you need to know

  • Around 6 hours 15 minutes is how long you'll be travelling on a direct flight from San Francisco International Airport to Philadelphia.

  • San Francisco International Airport is located in San Francisco. Based in the UTC-4 timezone, Philadelphia is three hours ahead of San Francisco.

  • With 35 weekly flights between the two airports, San Francisco International Airport (SFO) to Philadelphia International Airport (PHL) is the most popular route. American Airlines operates the earliest flight at 01:33. If you prefer to get more out of your day before taking off, the latest departure from SFO to PHL is with American Airlines at 23:32.

  • For stress-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to catch your SFO to Philadelphia flight.

  • Travelling during a peak time like a bank holiday? Expect longer lines at check-in and security. Give yourself extra leeway and arrive up to four hours before international flights and two hours ahead of domestic departures.

  • You can book a direct San Francisco International Airport to Philadelphia ticket. Start your journey at SFO and land at Philadelphia International Airport (PHL).

  • Book your favourite seat with American Airlines. This leading carrier offers direct flights from San Francisco International Airport to Philadelphia.

  • The journey from central San Francisco to SFO takes about 45 minutes on public transport. If you drive, ride-share or get a cab, you'll cover the 18 kilometres in 20 minutes or so, depending on traffic conditions.

  • In search of a hotel close to SFO? If you've booked an early flight from San Francisco International Airport to Philadelphia, these stays will put you moments from check-in:

  • When it comes to San Francisco International Airport's on-time performance, 77.36% of flights meet their scheduled arrival time.

How to find the cheapest flights from San Francisco International Airport (SFO) to Philadelphia

  • The best price we've seen for a one-way San Francisco International Airport to Philadelphia flight is R 1,822. The cheapest price for a return flight is R 2,921. Bear in mind fares may change due to demand at the time of booking.

  • To snag cheap flights from SFO to Philadelphia, book your trip one month ahead of your planned departure.

  • The best month for finding cheap San Francisco International Airport to Philadelphia tickets is May. Use the 'Whole month' tool to compare prices, then choose the dates with the lowest fares.

  • Finding a cheap flight from SFO to Philadelphia is easy with Price Alerts. All you need to do is set up one of these automatic notifications and we'll let you know as soon as a better deal is available.

  • Pick your preferred departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from San Francisco International Airport to Philadelphia by 'Cheapest,' 'Best' or 'Fastest.'

Airports in Philadelphia

Philadelphia International Airport (PHL)

Trenton-Mercer Airport (TTN)

  • Once your flight from San Francisco International Airport to Philadelphia has landed, you can make your way to the city centre in around 40 minutes by car. Central Philadelphia is roughly 56 kilometres from Trenton-Mercer Airport (TTN).

  • You can expect the journey to take roughly 1 hour 45 minutes on public transport.

  • Hang up the 'Do not disturb' sign and unwind at a hotel near TTN. Here are a few options where you can kick back after your SFO to Philadelphia flight:

  • Forget about public transport schedules or waiting in a long cab line. Pick up a Trenton-Mercer Airport rental car and let the journey unfold your way. Check out the rates and availability from Budget, National and Enterprise.

  • Get exactly what you want. Reserving your ride from TTN four weeks in advance often means better prices and a wider range of vehicles.

  • The address for Trenton-Mercer Airport is Scotch Road, Terminal Building.

Best time to go to Philadelphia

  • Carefully consider your dates before securing your flight from San Francisco International Airport to Philadelphia. The city comes alive in peak season, but hotel prices are usually higher and attractions can be busy. Visit Philadelphia in the low season if you want a quieter vibe.

  • The warmest month in Philadelphia is July, with temperatures ranging between 18ºC (64ºF) and 32ºC (90ºF). Book your San Francisco International Airport to Philadelphia flight ticket then if that's your idea of comfortable weather.

  • Look for cheap tickets from SFO to Philadelphia in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -7ºC (19ºF) and 9ºC (48ºF) on average.

More about Philadelphia

Explore more of United States

  • You've done Philadelphia, now it's time to explore other parts of United States. Journey about 129 kilometres north-east to New York to tick off its leading sights. From Statue of Liberty to Central Park and Empire State Building, you've got a jam-packed schedule ahead.

  • Around 434 kilometres north-east of Philadelphia, Boston is another favourite stop in United States. Start your sightseeing at Freedom Trail, Museum of Fine Arts Boston and Boston Tea Party Ships & Museum.

Plan the rest of your trip from San Francisco to Philadelphia

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.