204 € Cheap Flights from Philadelphia to San Francisco International

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Flight deals from Philadelphia to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Philadelphia to San Francisco International Airport? If you want to travel next month, return fares start from 208 €. Find the lowest prices on one-way and return tickets right here.

San Francisco.204 € per passenger.Departing Tue, 1 Sep, returning Fri, 18 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Tue, 1 Sep, arriving in San Francisco International.Inbound indirect flight with Frontier Airlines, departs from San Francisco International on Fri, 18 Sep, arriving in Philadelphia International.Price includes taxes and charges.From 204 €, select.

San Francisco.204 € per passenger.Departing Fri, 28 Aug, returning Sat, 12 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Fri, 28 Aug, arriving in San Francisco International.Inbound indirect flight with Frontier Airlines, departs from San Francisco International on Sat, 12 Sep, arriving in Philadelphia International.Price includes taxes and charges.From 204 €, select.

San Francisco.208 € per passenger.Departing Mon, 24 Aug, returning Wed, 26 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Mon, 24 Aug, arriving in San Francisco International.Inbound indirect flight with Frontier Airlines, departs from San Francisco International on Wed, 26 Aug, arriving in Philadelphia International.Price includes taxes and charges.From 208 €, select.

San Francisco.210 € per passenger.Departing Mon, 28 Sep, returning Mon, 5 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Mon, 28 Sep, arriving in San Francisco International.Inbound indirect flight with Frontier Airlines, departs from San Francisco International on Mon, 5 Oct, arriving in Philadelphia International.Price includes taxes and charges.From 210 €, select.

San Francisco.210 € per passenger.Departing Tue, 18 Aug, returning Thu, 1 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Tue, 18 Aug, arriving in San Francisco International.Inbound indirect flight with Frontier Airlines, departs from San Francisco International on Thu, 1 Oct, arriving in Philadelphia International.Price includes taxes and charges.From 210 €, select.

San Francisco.210 € per passenger.Departing Thu, 1 Oct, returning Sat, 3 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Thu, 1 Oct, arriving in San Francisco International.Inbound indirect flight with Frontier Airlines, departs from San Francisco International on Sat, 3 Oct, arriving in Philadelphia International.Price includes taxes and charges.From 210 €, select.

San Francisco.273 € per passenger.Departing Wed, 28 Oct, returning Sun, 1 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Wed, 28 Oct, arriving in San Francisco International.Inbound indirect flight with Frontier Airlines, departs from San Francisco International on Sun, 1 Nov, arriving in Philadelphia International.Price includes taxes and charges.From 273 €, select.

San Francisco.276 € per passenger.Departing Sun, 1 Nov, returning Wed, 4 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Sun, 1 Nov, arriving in San Francisco International.Inbound indirect flight with Frontier Airlines, departs from San Francisco International on Wed, 4 Nov, arriving in Philadelphia International.Price includes taxes and charges.From 276 €, select.

San Francisco.292 € per passenger.Departing Thu, 10 Dec, returning Tue, 15 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Philadelphia International on Thu, 10 Dec, arriving in San Francisco International.Inbound indirect flight with Southwest Airlines, departs from San Francisco International on Tue, 15 Dec, arriving in Philadelphia International.Price includes taxes and charges.From 292 €, select.

San Francisco.292 € per passenger.Departing Wed, 6 Jan, returning Sat, 9 Jan.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Philadelphia International on Wed, 6 Jan, arriving in San Francisco International.Inbound indirect flight with Southwest Airlines, departs from San Francisco International on Sat, 9 Jan, arriving in Philadelphia International.Price includes taxes and charges.From 292 €, select.

San Francisco.302 € per passenger.Departing Fri, 31 Jul, returning Wed, 12 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Fri, 31 Jul, arriving in San Francisco International.Inbound indirect flight with Frontier Airlines, departs from San Francisco International on Wed, 12 Aug, arriving in Philadelphia International.Price includes taxes and charges.From 302 €, select.

San Francisco.305 € per passenger.Departing Mon, 8 Mar, returning Fri, 19 Mar.Return flight with United.Outbound direct flight with United departs from Philadelphia International on Mon, 8 Mar, arriving in San Francisco International.Inbound direct flight with United departs from San Francisco International on Fri, 19 Mar, arriving in Philadelphia International.Price includes taxes and charges.From 305 €, select.

San Francisco.305 € per passenger.Departing Sat, 29 Aug, returning Mon, 7 Sep.Return flight with United.Outbound direct flight with United departs from Philadelphia International on Sat, 29 Aug, arriving in San Francisco International.Inbound direct flight with United departs from San Francisco International on Mon, 7 Sep, arriving in Philadelphia International.Price includes taxes and charges.From 305 €, select.

San Francisco.305 € per passenger.Departing Thu, 29 Oct, returning Mon, 2 Nov.Return flight with United.Outbound direct flight with United departs from Philadelphia International on Thu, 29 Oct, arriving in San Francisco International.Inbound direct flight with United departs from San Francisco International on Mon, 2 Nov, arriving in Philadelphia International.Price includes taxes and charges.From 305 €, select.

San Francisco.305 € per passenger.Departing Wed, 24 Feb, returning Wed, 3 Mar.Return flight with United.Outbound direct flight with United departs from Philadelphia International on Wed, 24 Feb, arriving in San Francisco International.Inbound direct flight with United departs from San Francisco International on Wed, 3 Mar, arriving in Philadelphia International.Price includes taxes and charges.From 305 €, select.

San Francisco.305 € per passenger.Departing Mon, 28 Sep, returning Mon, 5 Oct.Return flight with United.Outbound direct flight with United departs from Philadelphia International on Mon, 28 Sep, arriving in San Francisco International.Inbound direct flight with United departs from San Francisco International on Mon, 5 Oct, arriving in Philadelphia International.Price includes taxes and charges.From 305 €, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Philadelphia to San Francisco International flights are currently cheapest in September.

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Direct flights from Philadelphia to San Francisco International

Philadelphia to San Francisco International: Alternative routes

Compare routes from Philadelphia to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier than San Francisco International.

Philadelphia to San Francisco: Flight information

The things to know before you go.

Cheapest flight found	204 €
Cheapest month to fly	September
Average flight time	6 hrs, 17 mins
Most popular airline	American Airlines
Average flights per week	162

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

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

The best price we found for a return flight from Philadelphia to San Francisco International is 204 €. 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 Philadelphia to San Francisco International?

6 hours and 17 minutes is the average flight time from Philadelphia to San Francisco International.

Which airlines fly direct from Philadelphia to San Francisco International?

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

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

As of July 2026, there are 162 flights per week flying from Philadelphia to San Francisco International.

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

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

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

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to San Francisco International Airport on Tuesday, 1 September 2026.

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

Yes – the average flight time is 6 hours and 17 minutes.

How can I find the best flight deal to San Francisco International?

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 San Francisco International 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 San Francisco?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.

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

Start your trip at Philadelphia International Airport (PHL), the main airport in Philadelphia. Search for flights from Philadelphia to San Francisco International Airport (SFO) that jet out of this terminal.
The average time for a direct Philadelphia to San Francisco International Airport flight is 6 hours 15 minutes.
San Francisco International Airport is located in San Francisco. The city is in the UTC-8 timezone and is three hours behind Philadelphia.
Philadelphia International Airport (PHL) to San Francisco International Airport (SFO) is the most popular route. There are 38 direct departures a week to choose from. If you have things to do before leaving, take the last flight with American Airlines at 9pm. Go for the first PHL to SFO departure with United Airlines at 6am if you're aiming for an earlier start.
For hassle-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to catch your flight from Philadelphia to SFO.
July is a popular time to fly out. If you're taking off then or during a major holiday like July Fourth, turn up even earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international journeys.

Airports in Philadelphia

Philadelphia International Airport (PHL)

You can find a direct flight from Philadelphia to San Francisco International Airport (SFO) out of Philadelphia International Airport (PHL).
When departing from PHL, you can catch a direct flight from Philadelphia to San Francisco International Airport with American Airlines.
The majority of passengers prefer to fly with American Airlines from PHL to SFO.
Among carriers on this route, American Airlines has the best record for on-time arrivals.
Travelling from central Philadelphia to PHL takes around 30 minutes by public transport. If you ride-share, drive or take a taxi, you'll cover the 18 kilometres in 20 minutes or so, depending on traffic.
Catching an early flight from Philadelphia to San Francisco International Airport? Avoid the stress of rushing to the terminal (and sneak in some extra precious sleep) by picking one of these hotels near Philadelphia International Airport:
77% of flights that take off from Philadelphia International Airport make it to their destination on schedule.
PHL is located at 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

You can reach TTN from central Philadelphia in about 40 minutes by car, depending on traffic conditions. The ride by public transport takes roughly 1 hour 35 minutes to travel the 48 kilometres or so.
Got a crack-of-dawn departure? You might like to check in to one of these accommodation options near Trenton-Mercer Airport the day before your Philadelphia to SFO flight:
Looking at how often flights stay on schedule, Trenton-Mercer Airport has an on-time arrival rate of 76%.
The street address for TTN is Scotch Road, Terminal Building.

About San Francisco International Airport (SFO)

Consider staying in a hotel close to SFO if you have a late flight from Philadelphia to San Francisco International Airport. Check in to one of these accommodation options and be in bed sooner:
For the best deal, book your ride around one week ahead of your Philadelphia to San Francisco International Airport flight.

Getting from San Francisco International Airport (SFO) to central San Francisco

Central San Francisco is around 21 kilometres from San Francisco International Airport and takes about 25 minutes to reach by car. See what your options are for heading into the city, whether that's with a car hire, taxi or ride-share.
If you're taking public transport, expect a journey of about 35 minutes.

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

104 € is the lowest price for a one-way ticket from Philadelphia to San Francisco International Airport. Return flights start at 204 €. These prices can change based on availability and demand.
Don't wait until the last minute. You're more likely to find cheap flights from Philadelphia to SFO if you book ahead. Airlines often have some excellent early bird rates.
The 'Whole month' tool shows you the cheapest Philadelphia to San Francisco International Airport tickets across the entire month. It's a great way to snap up a bargain if your dates aren't set in stone.
Finding a cheap plane ticket from Philadelphia to SFO is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as the price has dropped.
Tailor your trip using filters. Choose your departure and arrival times, total journey duration and airlines. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Philadelphia to San Francisco International Airport.

The best time to fly from Philadelphia to San Francisco International Airport (SFO)

July is the most popular month for flights from Philadelphia to San Francisco International Airport (SFO). Visit San Francisco in December for a more low-key escape.
Lock in a Philadelphia to SFO plane ticket departing in September if you're eager to visit the city during its warmest month. You can expect temperatures in San Francisco to range from 12ºC (54ºF) to 24ºC (75ºF).
Search for cheap tickets from Philadelphia to San Francisco International Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 5ºC (41ºF) and 16ºC (61ºF).

More about San Francisco

When it comes to searching for somewhere to lay your head, you'll find the best places to stay in San Francisco right here. Explore these hotels once you've booked your flight from Philadelphia to San Francisco International Airport:
Your San Francisco visit isn't complete without checking out the sights. Top attractions worth exploring include Golden Gate Bridge, Painted Ladies - Alamo Square and Alcatraz Island.

Explore more of the United States

Fresno is just one of the many places in the United States waiting to be explored after you've seen San Francisco. Around 257 kilometres away to the east, top sights here include Forestiere Underground Gardens, Shinzen Japanese Garden and Fresno Chaffee Zoo.
Around 129 kilometres northeast of San Francisco, Sacramento is another favourite stop in the United States. Experience major highlights starting with California State Railroad Museum, Old Sacramento State Historic Park and Crocker Art Museum.