Cheap Flights from Philadelphia International to San Francisco International

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Compare Philadelphia International to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

Book the best San Francisco International fare with no extra fees

Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from Philadelphia International to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Philadelphia International Airport to San Francisco International Airport? If you want to travel next month, return fares start from Rs64,609. Find the lowest prices on one-way and return tickets right here.

San Francisco.Rs30,160 per passenger.Departing Tue, 20 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Tue, 20 Oct, arriving in San Francisco International.Price includes taxes and charges.From Rs30,160, select.

San Francisco.Rs31,663 per passenger.Departing Tue, 3 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Tue, 3 Nov, arriving in San Francisco International.Price includes taxes and charges.From Rs31,663, select.

San Francisco.Rs34,158 per passenger.Departing Mon, 14 Dec.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Mon, 14 Dec, arriving in San Francisco International.Price includes taxes and charges.From Rs34,158, select.

San Francisco.Rs37,152 per passenger.Departing Tue, 19 Jan.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Philadelphia International on Tue, 19 Jan, arriving in San Francisco International.Price includes taxes and charges.From Rs37,152, select.

San Francisco.Rs37,333 per passenger.Departing Sat, 6 Feb.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Philadelphia International on Sat, 6 Feb, arriving in San Francisco International.Price includes taxes and charges.From Rs37,333, select.

San Francisco.Rs52,567 per passenger.Departing Wed, 23 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Wed, 23 Sep, arriving in San Francisco International.Price includes taxes and charges.From Rs52,567, select.

San Francisco.Rs57,322 per passenger.Departing Sun, 2 May.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Philadelphia International on Sun, 2 May, arriving in San Francisco International.Price includes taxes and charges.From Rs57,322, select.

San Francisco.Rs57,888 per passenger.Departing Tue, 16 Mar.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Philadelphia International on Tue, 16 Mar, arriving in San Francisco International.Price includes taxes and charges.From Rs57,888, select.

San Francisco.Rs57,888 per passenger.Departing Wed, 28 Apr.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Philadelphia International on Wed, 28 Apr, arriving in San Francisco International.Price includes taxes and charges.From Rs57,888, select.

San Francisco.Rs77,333 per passenger.Departing Thu, 17 Dec.One-way flight with United.Outbound direct flight with United departs from Philadelphia International on Thu, 17 Dec, arriving in San Francisco International.Price includes taxes and charges.From Rs77,333, select.

San Francisco.Rs77,451 per passenger.Departing Wed, 13 Jan.One-way flight with United.Outbound direct flight with United departs from Philadelphia International on Wed, 13 Jan, arriving in San Francisco International.Price includes taxes and charges.From Rs77,451, select.

San Francisco.Rs77,451 per passenger.Departing Sun, 21 Mar.One-way flight with United.Outbound direct flight with United departs from Philadelphia International on Sun, 21 Mar, arriving in San Francisco International.Price includes taxes and charges.From Rs77,451, select.

San Francisco.Rs77,451 per passenger.Departing Thu, 19 Nov.One-way flight with United.Outbound direct flight with United departs from Philadelphia International on Thu, 19 Nov, arriving in San Francisco International.Price includes taxes and charges.From Rs77,451, select.

San Francisco.Rs77,460 per passenger.Departing Wed, 17 Feb.One-way flight with United.Outbound direct flight with United departs from Philadelphia International on Wed, 17 Feb, arriving in San Francisco International.Price includes taxes and charges.From Rs77,460, select.

San Francisco.Rs80,006 per passenger.Departing Sat, 17 Jul.One-way flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Sat, 17 Jul, arriving in San Francisco International.Price includes taxes and charges.From Rs80,006, select.

San Francisco.Rs80,407 per passenger.Departing Fri, 16 Oct.One-way flight with American Airlines.Outbound direct flight with American Airlines departs from Philadelphia International on Fri, 16 Oct, arriving in San Francisco International.Price includes taxes and charges.From Rs80,407, select.

Find the cheapest month to fly from Philadelphia International 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 International to San Francisco International flights are currently cheapest in October.

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Direct flights from Philadelphia International to San Francisco International

Philadelphia International to San Francisco International: Alternative routes

Compare routes from Philadelphia International 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	Rs30,223
Cheapest month to fly	October
Average flight time	6 hrs, 20 mins
Most popular airline	American Airlines
Average flights per week	151

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

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

The best price we found for a return flight from Philadelphia International to San Francisco International is Rs61,158. 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.

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

6 hours and 20 minutes is the average flight time from Philadelphia International to San Francisco International.

Which airlines fly direct from Philadelphia International to San Francisco International?

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

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

As of September 2026, there are 151 flights per week flying from Philadelphia International to San Francisco International.

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

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

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Philadelphia International Airport to San Francisco International Airport on Thursday, 3 December 2026.

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

Yes – the average flight time is 6 hours and 20 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.

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

Currently, Frontier Airlines and United offer the cheapest flight tickets to San Francisco International.

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

Around 6 hours 20 minutes is how long you can expect to be in the air on a direct flight from Philadelphia International Airport to San Francisco International Airport.
The timezone in San Francisco is UTC-8, which is three hours behind Philadelphia.
Take your pick of 44 weekly Philadelphia International Airport to San Francisco International Airport flights. The 06:00 departure with United Airlines is the earliest flight available. American Airlines operates the latest service of the day at 21:00.
Get to the airport on time so you don't miss your PHL to SFO flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.
Be prepared for bigger queues during popular months such as August. Arriving up to four hours ahead of international flights and two hours for a domestic departure is a smart move.
American Airlines has direct flights from Philadelphia International Airport to San Francisco International Airport. Book with this popular airline, then get ready to check out the sights in San Francisco — and maybe even more of the United States if you have time.
The majority of passengers choose to travel with American Airlines on this route.
With a dependable 80.82% of services arriving as scheduled, American Airlines has the best on-time record for PHL to SFO flights.
Think about adding a stopover when booking your ticket from Philadelphia International Airport to San Francisco International Airport. Just deselect 'Direct flights only' to break up your journey, or visit a new city along the way. Here are some options between PHL and SFO:
- Denver International Airport
- St Louis Airport
- Pittsburgh International Airport

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

The cheapest price we've seen for a one-way Philadelphia International Airport to San Francisco International Airport flight is Rs30,160. A return fare is currently Rs61,158. Depending on the availability when you book, these fares could change.
To pick up cheap tickets from PHL to SFO, book early. Airlines usually offer their best fares when flights are first released.
The cheapest month for flights from Philadelphia International Airport to San Francisco International Airport is May. Use the 'Whole month' tool to find the lowest prices if you have a flexible schedule.
Snapping up cheap flights from PHL to SFO is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll let you know when fares go down.
Tailor your trip with filters. Pick your arrival and departure times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Philadelphia International Airport to San Francisco International Airport.

Handy information about Philadelphia International Airport (PHL)

PHL is located at 8500 Essington Ave.
Of all flights departing from Philadelphia International Airport, 77% land on schedule at their destination.
Central Philadelphia to Philadelphia International Airport is around 18 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, catching a taxi or ride-sharing.
The trip on public transport usually takes 30 minutes.
Need a handy hotel close to PHL? If you're boarding an early flight from Philadelphia International Airport to San Francisco International Airport, these stays will have you moments from your departure gate:

Arriving at San Francisco International Airport (SFO)

The last thing you want is a lengthy journey to your hotel if you're landing late on a Philadelphia International Airport to San Francisco International Airport flight. Check in to one of these accommodation options near SFO instead:
Begin your adventure by picking up a San Francisco International Airport rental car. Grab a set of wheels from Dollar, Thrifty or Hertz to explore San Francisco and beyond.
Booking your ride from San Francisco International Airport about one week in advance gives you the best shot at securing a great deal.

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

From San Francisco International Airport, San Francisco is approximately 21 kilometres away. It takes around 25 minutes to get to the centre driving.
Getting to the centre by public transport takes roughly 35 minutes.

When to fly to San Francisco International Airport (SFO)

It's time to plan your trip dates for your flight from Philadelphia International Airport to San Francisco International Airport. July is the most popular month to visit San Francisco. If you'd like a more low-key vibe, go in March.
Lock in your flight from Philadelphia International Airport to San Francisco International Airport for September if you want to explore San Francisco during its warmest month. Expect temperatures of between 12ºC and 24ºC.
January sees average temperatures of between 5ºC and 16ºC. Look for cheap tickets from PHL to SFO sometime around then if you like cooler conditions.

Explore more of the United States

You've done San Francisco, now it's time to discover other corners of the United States. Journey about 64 kilometres south-east to San Jose to tick off its must-visit sights. From Winchester Mystery House to The Tech Interactive and Santa Clara Valley, there's plenty to keep you busy.
Around 257 kilometres south-east of San Francisco, Fresno is another essential stop in the United States. No visit is complete without checking out Forestiere Underground Gardens, Shinzen Japanese Garden and Fresno Chaffee Zoo.