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

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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 Airport to Philadelphia? If you want to travel next month, return fares start from $321. Find the lowest prices on one-way and return tickets right here.

Philadelphia.$321 per passenger.Departing Sat, 10 Oct, returning Sat, 17 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Sat, 10 Oct, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Sat, 17 Oct, arriving in San Francisco International.Price includes taxes and charges.From $321, select.

Philadelphia.$330 per passenger.Departing Mon, 21 Sep, returning Mon, 28 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Mon, 21 Sep, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Mon, 28 Sep, arriving in San Francisco International.Price includes taxes and charges.From $330, select.

Philadelphia.$330 per passenger.Departing Wed, 30 Sep, returning Mon, 5 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Wed, 30 Sep, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Mon, 5 Oct, arriving in San Francisco International.Price includes taxes and charges.From $330, select.

Philadelphia.$382 per passenger.Departing Mon, 16 Nov, returning Wed, 18 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Mon, 16 Nov, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Wed, 18 Nov, arriving in San Francisco International.Price includes taxes and charges.From $382, select.

Philadelphia.$419 per passenger.Departing Thu, 29 Oct, returning Mon, 2 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Thu, 29 Oct, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Mon, 2 Nov, arriving in San Francisco International.Price includes taxes and charges.From $419, select.

Philadelphia.$466 per passenger.Departing Wed, 17 Feb, returning Wed, 24 Feb.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Francisco International on Wed, 17 Feb, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Wed, 24 Feb, arriving in San Francisco International.Price includes taxes and charges.From $466, select.

Philadelphia.$467 per passenger.Departing Thu, 10 Dec, returning Tue, 15 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Francisco International on Thu, 10 Dec, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Tue, 15 Dec, arriving in San Francisco International.Price includes taxes and charges.From $467, select.

Philadelphia.$467 per passenger.Departing Wed, 6 Jan, returning Thu, 21 Jan.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Francisco International on Wed, 6 Jan, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Thu, 21 Jan, arriving in San Francisco International.Price includes taxes and charges.From $467, select.

Philadelphia.$495 per passenger.Departing Fri, 26 Feb, returning Mon, 1 Mar.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Francisco International on Fri, 26 Feb, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Mon, 1 Mar, arriving in San Francisco International.Price includes taxes and charges.From $495, select.

Philadelphia.$497 per passenger.Departing Wed, 18 Nov, returning Wed, 2 Dec.Return flight with United.Outbound direct flight with United departs from San Francisco International on Wed, 18 Nov, arriving in Philadelphia International.Inbound direct flight with United departs from Philadelphia International on Wed, 2 Dec, arriving in San Francisco International.Price includes taxes and charges.From $497, select.

Philadelphia.$497 per passenger.Departing Fri, 26 Feb, returning Mon, 1 Mar.Return flight with United.Outbound direct flight with United departs from San Francisco International on Fri, 26 Feb, arriving in Philadelphia International.Inbound direct flight with United departs from Philadelphia International on Mon, 1 Mar, arriving in San Francisco International.Price includes taxes and charges.From $497, select.

Philadelphia.$497 per passenger.Departing Wed, 18 Nov, returning Mon, 23 Nov.Return flight with United.Outbound direct flight with United departs from San Francisco International on Wed, 18 Nov, arriving in Philadelphia International.Inbound direct flight with United departs from Philadelphia International on Mon, 23 Nov, arriving in San Francisco International.Price includes taxes and charges.From $497, select.

Philadelphia.$497 per passenger.Departing Fri, 11 Dec, returning Mon, 14 Dec.Return flight with United.Outbound direct flight with United departs from San Francisco International on Fri, 11 Dec, arriving in Philadelphia International.Inbound direct flight with United departs from Philadelphia International on Mon, 14 Dec, arriving in San Francisco International.Price includes taxes and charges.From $497, select.

Philadelphia.$497 per passenger.Departing Thu, 25 Feb, returning Sun, 28 Feb.Return flight with United.Outbound direct flight with United departs from San Francisco International on Thu, 25 Feb, arriving in Philadelphia International.Inbound direct flight with United departs from Philadelphia International on Sun, 28 Feb, arriving in San Francisco International.Price includes taxes and charges.From $497, select.

Philadelphia.$497 per passenger.Departing Wed, 6 Jan, returning Sat, 9 Jan.Return flight with United.Outbound direct flight with United departs from San Francisco International on Wed, 6 Jan, arriving in Philadelphia International.Inbound direct flight with United departs from Philadelphia International on Sat, 9 Jan, arriving in San Francisco International.Price includes taxes and charges.From $497, select.

Philadelphia.$497 per passenger.Departing Thu, 24 Dec, returning Thu, 7 Jan.Return flight with United.Outbound direct flight with United departs from San Francisco International on Thu, 24 Dec, arriving in Philadelphia International.Inbound direct flight with United departs from Philadelphia International on Thu, 7 Jan, arriving in San Francisco International.Price includes taxes and charges.From $497, 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.

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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 found	$321
Cheapest month to fly	October
Average flight time	5 hrs, 29 mins
Most popular airline	American Airlines
Average flights per week	184

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

How many airports are there in Philadelphia?

There are 5 airports in Philadelphia: Philadelphia International, Philadelphia Trenton-Mercer, Greater Wilmington, Atlantic City International, and Allentown.

How much are return flights from San Francisco International to Philadelphia?

The best price we found for a return flight from San Francisco International to Philadelphia is $321. 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.

How long does it take to fly from San Francisco International to Philadelphia?

5 hours and 29 minutes is the average flight time from San Francisco International to Philadelphia.

Which airlines fly direct from San Francisco International to Philadelphia?

American Airlines, United and British Airways fly direct from San Francisco International to Philadelphia.

How many flights are there a week from San Francisco International to Philadelphia?

As of September 2026, there are 184 flights per week flying from San Francisco International to Philadelphia.

When is the cheapest time to fly from San Francisco International to Philadelphia?

The cheapest month to fly from San Francisco International to Philadelphia is usually October.

Which is the cheapest airport to fly into in Philadelphia?

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 $321.

Which upcoming date is cheapest to fly from San Francisco International Airport to Philadelphia on?

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 Saturday, 10 October 2026.

Can I get a direct flight from San Francisco International Airport to Philadelphia?

Yes – the average flight time is 5 hours and 29 minutes.

How can I get the best flight deal from San Francisco International Airport to Philadelphia?

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.

When is the best time to book flights to Philadelphia?

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.

What’s the weather like in Philadelphia?

In September, the average temperature is usually around 21°C. July is typically the warmest month in Philadelphia, when it usually averages around 31°C. You can expect the least rain in November. The coldest month is January, with temperatures averaging -1°C. The rainiest month is July.

Which is the cheapest airline to fly from San Francisco International Airport to Philadelphia with?

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

Expect to be in the air for 6 hours 15 minutes. That's the average time for a direct flight from San Francisco International Airport to Philadelphia.
The timezone in Philadelphia is UTC-5. The city is three hours ahead of San Francisco, where San Francisco International Airport is located.
With 38 flights a week between the two airports, San Francisco International Airport (SFO) to Philadelphia International Airport (PHL) is the busiest route. American Airlines operates the earliest flight at 01:33. If you'd like 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 a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This leaves you with plenty of time to catch your SFO to Philadelphia flight.
Be prepared for longer lines in popular months such as July. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a good idea.
Direct San Francisco International Airport to Philadelphia tickets are available for booking. Philadelphia International Airport (PHL) will be your arrival point.
American Airlines is a popular carrier that offers direct flights from San Francisco International Airport to Philadelphia.
SFO is about 18 kilometres from central San Francisco. If you're ride-sharing, driving or catching a taxi from the centre, it'll take you 25 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the journey time to be around 35 minutes.
Want a hassle-free start to your trip? Stay near SFO. Whether you've booked an early flight from San Francisco International Airport to Philadelphia or don't want departure day to feel hectic, these hotels put convenience first:
78% of flights that take off from San Francisco International Airport make it to their destination on schedule.

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

$165 is the lowest price we've found for a one-way San Francisco International Airport to Philadelphia flight. A return ticket right now is $321. Depending on when you want to go and the availability, these fares can change.
Don't wait until the last minute. You're more likely to find cheap flights from SFO to Philadelphia if you book in advance. Airlines often have some great early bird rates.
If you're willing to be flexible with your trip dates, make the most of the 'Whole month' search tool. It'll find the lowest price across each month when searching for your San Francisco International Airport to Philadelphia ticket.
You don't need to check every day to see if fares have dropped when you create a Price Alert. We'll update you the moment there's an updated deal for cheap flights from SFO to Philadelphia.
Select your ideal arrival and departure 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,' 'Fastest' or 'Best.'

Airports in Philadelphia

Philadelphia International Airport (PHL)

The distance from Philadelphia International Airport (PHL) to central Philadelphia is roughly 18 kilometres. It'll take you about 20 minutes to reach the centre driving.
It takes around 30 minutes to get there using public transport.
Look into staying at a hotel near PHL if you're coming in on a late flight from San Francisco International Airport to Philadelphia. Choose one of these options and make your arrival easier:
For the lowest price, book your vehicle from Philadelphia International Airport about three weeks ahead of your flight from SFO to Philadelphia.
The street address for PHL is 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

Trenton-Mercer Airport (TTN) is about 48 kilometres from central Philadelphia. Following your flight from San Francisco International Airport to Philadelphia, it'll take you around 40 minutes to reach the heart of the city in a ride-share or taxi.
If you're catching public transport, it'll take around 1 hour 35 minutes.
You'll find some great places to park your luggage (and yourself) near TTN. Unwind and get cosy after your SFO to Philadelphia flight at one of these well-located options:
Get exactly what you want. Securing your ride from TTN four weeks ahead of time often means better prices and a wider range of vehicles.
Trenton-Mercer Airport can be found at Scotch Road, Terminal Building.

Best time to go to Philadelphia

December is the quietest month for flights from San Francisco International Airport to Philadelphia, while July is the busiest. Work out the best time to go to Philadelphia based on whether you prefer a lively atmosphere or a more laid-back vibe.
Lock in a San Francisco International Airport to Philadelphia plane ticket with a departure in July if you're eager to explore the city during its warmest month. You can expect temperatures to range from 18ºC (64ºF) to 32ºC (90ºF).
January has average temperatures of between -7ºC (19ºF) and 9ºC (48ºF). Search for a cheap ticket from SFO to Philadelphia around that time if you want to travel in cooler conditions.

More about Philadelphia

Start your Philadelphia trip right by choosing the perfect place to stay. Once you've booked your flight from San Francisco International Airport to Philadelphia, explore our range of accommodation options including:
There are so many things to explore in this city it can be tricky to work out where to start. Liberty Bell, Independence Hall and Philadelphia Museum of Art are highlights which should feature on every Philadelphia itinerary.

Explore more of the United States

You've seen Philadelphia, now it's time to explore more of the United States. Travel about 129 kilometres northeast to New York to check off its top attractions. From Central Park to Statue of Liberty and Metropolitan Museum of Art, you've got a jam-packed schedule ahead.
If you're eager to discover another side of the United States, consider Boston, about 434 kilometres northeast of Philadelphia. Museum of Fine Arts Boston, Freedom Trail and USS Constitution Museum are the start of reasons to visit.