Cheap Flights from San Francisco International 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.

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 May.

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 found158 €
Cheapest month to flyMay
Average flight time5 hrs, 23 mins
Most popular airlineAmerican Airlines
Average flights per week132

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 158 €. 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 23 minutes is the average flight time from San Francisco International to Philadelphia.
American Airlines, Qatar Airways and British Airways fly direct from San Francisco International to Philadelphia.
As of April 2025, there are 132 flights per week flying from San Francisco International to Philadelphia.
The cheapest month to fly from San Francisco International to Philadelphia is usually April 2025.
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 158 €.
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, 7 May 2025.
Yes – the average flight time is 5 hours and 23 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 April, the average temperature is usually around 10°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 American Airlines offer the cheapest flight tickets to Philadelphia.

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

  • Take a direct flight from San Francisco International Airport to Philadelphia and you'll be in the air for an average of 6 hours 10 minutes.

  • The timezone in Philadelphia is UTC-4. The city is 3 hours ahead of San Francisco, where San Francisco International Airport is located.

  • With 42 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 01:38. If you'd like to make the most of your day before jetting off, the last flight from SFO to PHL is with United at 23:59.

  • To ensure you get on your flight from SFO to Philadelphia, allow plenty of time to check in and find your gate. Arriving two hours before international departures and an hour before domestic flights is the general rule.

  • If you're travelling during a popular month like August, head to the airport even earlier. It's smart to arrive up to four hours before an international flight and two hours ahead of a domestic departure. Check-in and security lines are longer during peak periods like summer, Christmas and New Year.

  • You can catch a nonstop flight from San Francisco International Airport to Philadelphia that touches down at Philadelphia International Airport (PHL).

  • American Airlines is a leading airline that operates direct flights from San Francisco International Airport to Philadelphia.

  • After booking your cheap tickets from San Francisco International Airport to Philadelphia, get your travel documents in order. A passport or visa isn't required since you're travelling within United States. As long as you have some other valid form of identification, such as an ID card or driver's licence, you're ready to go.

  • Located around 21 kilometres from the centre of San Francisco, SFO can be reached in about 20 minutes by car, depending on traffic. The same journey on public transport will take roughly 47 minutes.

  • Booked an early flight from San Francisco International Airport to Philadelphia? Avoid the hassle of rushing to the airport (and sneak in some extra precious sleep) by choosing one of these stays near SFO:

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

  • 79 € is the cheapest price we've found for a one-way ticket from San Francisco International Airport to Philadelphia. For a return flight on this route, the best price is 158 €. Depending on when and how early you book, these fares may change.

  • Book 9 months before you want to fly. After looking at the numbers on our calendar, this is how far you should book ahead to find cheap tickets from SFO to Philadelphia.

  • Organise your trip for May. That's the cheapest month for tickets from San Francisco International Airport to Philadelphia. If you have flexibility with your dates, use the 'Whole month' tool to see the lowest price across every month.

  • Log into your online account or use the app to create a Price Alert. We'll get in touch straight away if there's a better deal on this route. It doesn't take long, and it'll save you the hassle of searching for cheap tickets from SFO to Philadelphia every day.

  • Make the most of the filters to find your ideal journey. To see the 'Cheapest,' 'Best' or 'Fastest' flights from San Francisco International Airport to Philadelphia, use the 'Sort by' tool. You can also filter results by airline, departure and arrival times, and journey duration.

Airports in Philadelphia

Philadelphia International Airport (PHL)

Trenton-Mercer Airport (TTN)

  • The centre of Philadelphia is located around 56 kilometres from Trenton-Mercer Airport (TTN). After your flight from San Francisco International Airport to Philadelphia has hit the runway and you've made your way through the terminal, expect a drive of about 39 minutes.

  • The journey will take about 1 hour and 43 minutes on public transport.

  • You'll find some great places to call home for the night near TTN. Settle in and get cosy after your flight from SFO to Philadelphia at any of these perfectly located options:

Best time to go to Philadelphia

  • It's time to figure out your dates for your flight from San Francisco International Airport to Philadelphia. August is the most popular month to travel to Philadelphia. If you like a quieter atmosphere, go in February.

  • The warmest month in Philadelphia is July, with temperatures ranging between 18ºC and 32ºC. Lock in your flights from San Francisco International Airport to Philadelphia in this month if you enjoy this type of weather.

  • January sees average temperatures of between -7ºC and 9ºC. Search for cheap flights from SFO to Philadelphia sometime around then if you'd rather travel in cooler conditions.

More about Philadelphia

  • After locking in your flight from San Francisco International Airport to Philadelphia, think about where to rest your head in this city. Make one of these accommodation options your base for exploring Philadelphia:

  • There are so many things to do and see in this city it can be tricky to know where to start. Liberty Bell, Independence Hall and Philadelphia Museum of Art are top sights which should be on every Philadelphia itinerary.

Complete your Philadelphia trip with a car rental

  • Select one of our car rentals in Philadelphia and explore the city at your leisure. Easily compare companies in one place to find your ideal ride once you've locked in your hotel and cheap flights from San Francisco International Airport to Philadelphia.

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