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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 Wednesday

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

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

$44

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 25% on flights from Philadelphia Intl to San Francisco by exploring options for tickets at noon.

Cheap flights from Philadelphia Intl to San Francisco in January, February 2021

19 Feb - 28 Feb
$88pp
PHL
Philadelphia
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
PHL
Philadelphia
19 Feb - 1 Mar
$98pp
PHL
Philadelphia
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
PHL
Philadelphia
21 Feb - 25 Feb
$115pp
PHL
Philadelphia
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
PHL
Philadelphia

Philadelphia Intl to San Francisco 2021 flight deals

19 Feb - 28 Feb
$88pp
PHL
Philadelphia
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
PHL
Philadelphia
31 Mar - 8 Apr
$98pp
PHL
Philadelphia
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
PHL
Philadelphia
21 Feb - 25 Feb
$115pp
PHL
Philadelphia
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
PHL
Philadelphia

Non-stop flights to San Francisco from Philadelphia Intl

29 Mar - 5 Apr
$257pp
PHL
Philadelphia
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
PHL
Philadelphia
3 Apr - 6 Apr
$276pp
PHL
Philadelphia
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
PHL
Philadelphia
28 Mar - 1 Apr
$277pp
PHL
Philadelphia
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
PHL
Philadelphia

Last minute flights from Philadelphia Intl to San Francisco

4 Feb - 7 Feb
$155pp
PHL
Philadelphia
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
PHL
Philadelphia
4 Feb - 7 Feb
$162pp
PHL
Philadelphia
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
PHL
Philadelphia
4 Feb - 8 Feb
$167pp
PHL
Philadelphia
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
PHL
Philadelphia

One-way flights to San Francisco from Philadelphia Intl

3:34 pm - 5:09 am
Frontier
1 Stop
16h 35m
PHL - SFO
Frontier
$44
Gotogate
3:40 pm - 6:50 pm
Frontier
1 Stop
30h 10m
PHL - SFO
Frontier
$50
Gotogate
4:19 pm - 7:10 am
Frontier
1 Stop
17h 51m
PHL - SFO
Frontier
$55
Flights by SU

Related info for your journey

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 and Delta are some 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.

Can I find flights from Philadelphia Intl to San Francisco for under $100 on Cheapflights?

Yes, there are multiple flights from Philadelphia Intl to San Francisco for under $100. The cheapest flight booked recently is on Frontier for just $88, but on average you can expect to pay $124.

Are there nonstop flights from Philadelphia Intl to San Francisco for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Philadelphia Intl to San Francisco under $300. A good price for a nonstop flight from Philadelphia Intl to San Francisco is less than $304.

Are there last-minute flights available from Philadelphia Intl to San Francisco for under $200?

There are currently 20+ open flights from Philadelphia Intl to San Francisco within the next 7 days for less than $200.

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

Days when nonstop flights are available for this flight are: Wednesday, Thursday, Friday, Saturday.

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 less than 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 13h 36m.

What is the cheapest airline to fly from Philadelphia Intl to San Francisco round-trip?

Flying on Frontier is currently your cheapest option to San Francisco, with prices starting at $88. This flight start at 73% 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?

$44 is the cheapest one-way deal found within the past few days, from Frontier.

Alternative routes for Philadelphia Intl to San Francisco

Destination information for San Francisco

Average temperature for January in San Francisco
59.0 °F
Avg rainfall for January in San Francisco
2.2 ″

Airports servicing Philadelphia

Airports servicing San Francisco

Top 8 airlines flying from Philadelphia Intl to San Francisco

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

Afternoon Noon to 6 PM 75% of PHL to SFO departures
Morning 6 AM to noon 25% of PHL to SFO departures
Early morning Midnight to 6 AM 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
Sunday
0 flights
Monday
1 daily flight
Tuesday
0 flights
Wednesday
0 flights
Thursday
1 daily flight
Friday
0 flights
Saturday
0 flights
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