Cheap flights from Philadelphia Intl to San Francisco (PHL - SFO)

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The best prices from Philadelphia Intl to San Francisco are usually found in October or September, booked 41 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

How to find the cheapest flight from
Philadelphia Intl (PHL) to San Francisco (SFO)

All the information you need to plan the best PHL to SFO flight in 2021: compare Philadelphia Intl to San Francisco flight prices with the expected peak season, weather and rainfall in San Francisco.
PHL - SFO
Price
$292 - $431
SFO
Temperature
59 - 77 °F
SFO
Rainfall
0 - 4.7 inches

Popular in

December

High demand for flights, 23% potential price rise

Cheapest in

October

Best time to find cheap flights, 12% potential price drop

Round-trip from

$292

From Philadelphia Intl to San Francisco

One-way from

$108

One-way flight from Philadelphia Intl to San Francisco

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Philadelphia Intl to San Francisco?

Users have found that flying from Philadelphia Intl to San Francisco on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Philadelphia Intl to San Francisco?

Travelers have found it’s best to book a flight 35 days in advance to save up to 7% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 35 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Philadelphia Intl to San Francisco 1-2 weeks in advance for as low as $99, or $105 for flights within the next 24 hours.

What is the cheapest month to fly from Philadelphia Intl to San Francisco?

Flights from Philadelphia Intl to San Francisco lean towards being more expensive in June. Prices are generally better when you fly from Philadelphia Intl to San Francisco in August, with the cheapest ticket starting at $48.

When is the cheapest time to fly from Philadelphia Intl to San Francisco (PHL - SFO)?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 29% on flights from Philadelphia Intl to San Francisco by exploring options for tickets at noon.

Cheap flights from Philadelphia Intl to San Francisco in May, June 2021

The best prices found for PHL to SFO flights for May, June
15 Jun - 17 Aug
$249pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
American Airlines
Non-Stop
PHL
Philadelphia
18 May - 22 May
$261pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
   
2 STOPS
PHL
Philadelphia
18 May - 19 May
$270pp
PHL
Philadelphia
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
   
2 STOPS
PHL
Philadelphia

Philadelphia Intl to San Francisco 2021 flight deals

Cheap flights to San Francisco from Philadelphia Intl found for this year
22 Oct - 26 Oct
$157pp
PHL
Philadelphia
American Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
American Airlines
 
1 STOP
PHL
Philadelphia
22 Oct - 26 Oct
$165pp
PHL
Philadelphia
American Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
American Airlines
 
1 STOP
PHL
Philadelphia
9 Sep - 13 Sep
$197pp
PHL
Philadelphia
American Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
American Airlines
Non-Stop
PHL
Philadelphia

Non-stop flights to San Francisco from Philadelphia Intl

Save time with Philadelphia Intl to San Francisco direct flight deals
9 Sep - 13 Sep
$197pp
PHL
Philadelphia
American Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
American Airlines
Non-Stop
PHL
Philadelphia
26 Aug - 30 Aug
$206pp
PHL
Philadelphia
American Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
American Airlines
Non-Stop
PHL
Philadelphia
21 Oct - 26 Oct
$215pp
PHL
Philadelphia
American Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
American Airlines
Non-Stop
PHL
Philadelphia

Last minute flights from Philadelphia Intl to San Francisco

Late deals on round-trip flights to San Francisco from Philadelphia Intl, departing today and this week
24 May - 29 May
$278pp
PHL
Philadelphia
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
PHL
Philadelphia
24 May - 26 May
$295pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
   
2 STOPS
PHL
Philadelphia
25 May - 26 May
$297pp
PHL
Philadelphia
Multiple Airlines
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
   
2 STOPS
PHL
Philadelphia

One-way flights to San Francisco from Philadelphia Intl

The cheapest one-way flights from Philadelphia Intl to San Francisco
2:15 pm - 5:42 pm
United Airlines
Nonstop
6h 27m
PHL - SFO
United Airlines
$108
United
2:15 pm - 8:19 pm
Delta
1 Stop
9h 04m
PHL - SFO
Delta
$124
Delta
5:10 pm - 8:18 pm
American Airlines
Nonstop
6h 08m
PHL - SFO
American Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Philadelphia Intl</span> to <span class="emphasized">San Francisco</span> flights.

Flight FAQs

From Philadelphia Intl to San Francisco

Are flight prices decreasing from Philadelphia to San Francisco due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Philadelphia and San Francisco for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Philadelphia to San Francisco to control the spread of COVID-19?

Alaska Airlines is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. New policies for travelers booking flights from Philadelphia to San Francisco include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Philadelphia to San Francisco have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Philadelphia to San Francisco that may be offering flexible cancellation policies are American Airlines, United Airlines, and Alaska Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

What airports do I use to fly from Philadelphia to San Francisco?

You will need to book a flight from Philadelphia to San Francisco if you want to fly from Philadelphia to San Francisco. At least 10 different airlines have flights from Philadelphia (PHL) to San Francisco (SFO) on a regular basis. There are 2 flights to San Francisco from the Philadelphia airport per day. If you manage to book one that is nonstop, then you can expect the flight time from PHL to SFO to be around 5h 50m.

Can I find flights from Philadelphia Intl to San Francisco for under $200 on Cheapflights?

Yes, there are multiple flights from Philadelphia Intl to San Francisco for under $200. The cheapest flight booked recently is on American Airlines for just $157, but on average you can expect to pay $215.

Are there nonstop flights from Philadelphia Intl to San Francisco for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Philadelphia Intl to San Francisco under $200. A good price for a nonstop flight from Philadelphia Intl to San Francisco is less than $267.

Are there last-minute flights available from Philadelphia Intl to San Francisco for under $300?

There are currently 20+ open flights from Philadelphia Intl to San Francisco within the next 7 days for less than $300.

What days are nonstop flights available from Philadelphia to San Francisco?

Days when nonstop flights are available for this flight are: Tuesday.

Does it rain more in Philadelphia or San Francisco?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Philadelphia is roughly greater than that of San Francisco. You can assume this to be the case over the next 16 days.

Is Philadelphia weather warmer or cooler than San Francisco?

We forecast the temperature to be around the 88 °F's in July, on average. The temperature in San Francisco is generally colder than in Philadelphia. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Philadelphia Intl to San Francisco?

Departing from Philadelphia Intl to San Francisco will take you 5h 56m. This flight may include one or multiple stops.

What are the cheapest airlines flying from Philadelphia Intl to San Francisco round-trip?

Flying on American Airlines is currently your cheapest option to San Francisco, with prices starting at $157. Another option worth looking into is Delta, starting at $237 round trip. These flights start at 52% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Philadelphia Intl to San Francisco one-way?

$106 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Frontier, with prices starting from $108 and $123, respectively.

Alternative routes for Philadelphia Intl to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for San Francisco

Things to know before you go - useful duration and weather info for your trip from Philadelphia Intl to San Francisco.
Flight duration
5h 47m
Average temperature for May in San Francisco
69.8 °F
Avg rainfall for May in San Francisco
0.6 ″

Airports servicing Philadelphia

Airports servicing San Francisco

Top 8 airlines flying from Philadelphia Intl to San Francisco

The chart below displays the airlines Cheapflights users traveling from Philadelphia Intl to San Francisco choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
$109 $208 No cancel fee 65%
Sun Country Air
$101 $235 No cancel fee 83%
Alaska Airlines
$120 $255 No cancel fee 75%
Frontier
$120 $258 No cancel fee 62%
JetBlue
$169 $309 No cancel fee 62%
Delta
$134 $316 No cancel fee N/A
United Airlines
$128 $324 No cancel fee 69%
American Airlines
$148 $349 No cancel fee 71%

Hourly flight availability from Philadelphia Intl to San Francisco

See what time of day planes typically take off from Philadelphia Intl towards San Francisco.
Afternoon Noon to 6 PM 100% of PHL to SFO departures
Early morning Midnight to 6 AM 0% of PHL to SFO departures
Morning 6 AM to noon 0% of PHL to SFO departures
Evening 6 PM to midnight 0% of PHL to SFO departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Philadelphia Intl to San Francisco
See how many times per day planes take to the skies headed from Philadelphia Intl to San Francisco.
Sunday
2 daily flights
Monday
2 daily flights
Tuesday
2 daily flights
Wednesday
2 daily flights
Thursday
2 daily flights
Friday
2 daily flights
Saturday
3 daily flights
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