San Francisco

$141+ Cheap flights from Pennsylvania to San Francisco (SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SFO
May 13 — May 201
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Cheap flight deals from Pennsylvania to San Francisco

Cheapest flights from Pennsylvania to San Francisco
Explore the most affordable flight options available from Pennsylvania to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 13, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/231:54 pm
EWR
-
SFO
2 stops21h 04m
Frontier
Mon 5/411:26 pm
SFO
-
EWR
1 stop10h 06m
Frontier
Deal found 4/8$252
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:23 pm
EWR
-
SFO
Nonstop6h 33m
Multiple Airlines
Mon 5/411:26 pm
SFO
-
EWR
1 stop10h 06m
Multiple Airlines
Deal found 4/8$255
This Expedia deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:59 am
EWR
-
SFO
1 stop14h 35m
Frontier
Mon 5/1811:59 pm
SFO
-
EWR
1 stop9h 33m
Frontier
Deal found 4/8$256
This Orbitz deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:59 am
EWR
-
SFO
1 stop14h 35m
Multiple Airlines
Tue 4/287:40 am
SFO
-
EWR
Nonstop5h 41m
Multiple Airlines
Deal found 4/8$257
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:45 pm
EWR
-
SFO
2 stops27h 07m
Frontier
Wed 5/611:59 pm
SFO
-
EWR
1 stop9h 33m
Frontier
Deal found 4/8$258
This Orbitz deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:31 pm
EWR
-
SFO
1 stop9h 30m
Multiple Airlines
Mon 5/411:26 pm
SFO
-
EWR
1 stop10h 06m
Multiple Airlines
Deal found 4/11$259
This Frontier deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/275:59 am
EWR
-
SFO
1 stop14h 35m
Frontier
Tue 5/511:59 pm
SFO
-
EWR
1 stop9h 33m
Frontier
Deal found 4/8$260
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:29 pm
EWR
-
SFO
1 stop22h 05m
Frontier
Mon 5/411:26 pm
SFO
-
EWR
1 stop10h 06m
Frontier
Deal found 4/8$261
This United Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 pm
EWR
-
SFO
Nonstop6h 24m
United Airlines
Sat 5/27:15 am
SFO
-
EWR
Nonstop5h 37m
United Airlines
Deal found 4/8$262
This Trip.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:29 am
LGA
-
SFO
1 stop16h 05m
Multiple Airlines
Mon 5/119:56 pm
SFO
-
LGA
2 stops18h 51m
Multiple Airlines
Deal found 4/8$263
This Travelocity deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:30 am
EWR
-
SFO
Nonstop6h 28m
Multiple Airlines
Tue 6/28:44 pm
SFO
-
EWR
1 stop10h 48m
Multiple Airlines
Deal found 4/10$263
This Orbitz deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:59 am
EWR
-
SFO
Nonstop6h 26m
Multiple Airlines
Mon 5/411:26 pm
SFO
-
EWR
1 stop10h 06m
Multiple Airlines
Deal found 4/8$264

Find flight deals from Pennsylvania to San Francisco

Keep the following information in mind while searching for Pennsylvania to San Francisco flight deals. Data was last updated April 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$252
(Kiwi.com)

One-way from

$141
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$398

Good round-trip deal

$410 or less

Good one-way deal

$281 or less
Provider with most accurate pricing for Philadelphia-San Francisco flight deals.
Provider most trusted by Cheapflights users for Philadelphia-San Francisco flights.
From Pennsylvania to San Francisco
One-way flight from Pennsylvania to San Francisco
Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from Pennsylvania to San Francisco.
Price to beat on a one-way flight from Pennsylvania to San Francisco.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 13, 2026.
Use the filters below to find and compare flights from Pennsylvania to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkSan Francisco

LGA - SFO

LGASFO

New York LaGuardia

Tue 4/21

1:25 pm-10:10 pm

2 stops11h 45m

San Francisco

Tue 4/28

11:25 pm-12:35 pm

1 stop10h 10m

$273

New YorkSan Francisco

JFK - SFO

JFKSFO

New York John F Kennedy Intl

Wed 5/6

8:45 am-12:21 pm

Nonstop6h 36m

San Francisco

Mon 5/11

7:00 am-3:46 pm

Nonstop5h 46m

$279

New YorkSan Francisco

JFK - SFO

JFKSFO

New York John F Kennedy Intl

Fri 5/1

7:00 am-10:28 am

Nonstop6h 28m

San Francisco

Thu 5/7

4:10 pm-12:52 am

Nonstop5h 42m

$279

New YorkSan Francisco

JFK - SFO

JFKSFO

New York John F Kennedy Intl

Fri 5/1

7:00 am-10:28 am

Nonstop6h 28m

San Francisco

Fri 5/8

10:30 pm-7:05 am

Nonstop5h 35m

$279

New YorkSan Francisco

JFK - SFO

JFKSFO

New York John F Kennedy Intl

Thu 5/7

9:30 am-1:04 pm

Nonstop6h 34m

San Francisco

Tue 5/12

9:00 am-10:59 pm

1 stop10h 59m

$283

NewarkSan Francisco

EWR - SFO

EWRSFO

Newark

Fri 5/1

5:33 pm-9:04 am

1 stop18h 31m

San Francisco

Fri 5/8

9:19 pm-6:03 am

Nonstop5h 44m

$289

New YorkSan Francisco

LGA - SFO

LGASFO

New York LaGuardia

Thu 5/7

6:00 am-10:24 am

1 stop7h 24m

San Francisco

Mon 5/11

10:55 pm-9:45 am

1 stop7h 50m

$299

New YorkSan Francisco

LGA - SFO

LGASFO

New York LaGuardia

Wed 5/6

10:10 am-5:30 pm

1 stop10h 20m

San Francisco

Thu 5/7

5:05 am-4:50 pm

2 stops8h 45m

$304

New YorkSan Francisco

LGA - SFO

LGASFO

New York LaGuardia

Sun 4/26

6:05 am-11:26 am

1 stop8h 21m

San Francisco

Tue 5/5

8:00 am-8:14 pm

1 stop9h 14m

$317

New YorkSan Francisco

LGA - SFO

LGASFO

New York LaGuardia

Tue 4/28

8:05 am-1:12 pm

1 stop8h 07m

San Francisco

Sun 5/3

11:56 pm-10:18 am

1 stop7h 22m

$323

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Pennsylvania to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Pennsylvania with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Pennsylvania to San Francisco

What is the cheapest month to book a flight from Pennsylvania to San Francisco?

Currently, August is the cheapest month in which you can book a flight from Pennsylvania to San Francisco (average of $155). Flying from Pennsylvania to San Francisco in November is currently the most expensive (average of $266). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PA to SFO?

Find hourly flight availability from Pennsylvania to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 13, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pennsylvania to San Francisco as you normally would.

Weekly flight availability from Pennsylvania to San Francisco

Explore weekly flight availability from Pennsylvania to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 13, 2026.

The most flights from USPA to SFO are scheduled on a Friday (16 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost to fly round-trip from Pennsylvania to San Francisco?

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to San Francisco from Pennsylvania?

    San Francisco (SFO) is the airport you will fly into if you book a flight from Pennsylvania to San Francisco. It is only a 11.0 mi journey from San Francisco (SFO) to San Francisco’s city center.

  • How popular is this Pennsylvania to San Francisco flight route?

  • How long is the flight from Pennsylvania to San Francisco?

    There are many flights that can get you from Pennsylvania to San Francisco in 6h 34m. Fly via Southwest, Delta, or Alaska Airlines to get the fastest option. The distance from Pennsylvania to San Francisco is about 2578 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Pennsylvania to San Francisco one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $72. American Airlines flights start at $99 while deals on Delta start at $118 one-way.

  • What are the most popular routes from Pennsylvania to San Francisco?

  • What are the most reliable airlines from Pennsylvania to San Francisco?

    No one likes to see their flight delayed. When booking a flight from Pennsylvania to San Francisco consider choosing ANA (100%), Air China (100%) or Fiji Airways (92%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Pennsylvania to San Francisco?

    On average you can expect to pay $1,099 for a flight from Pennsylvania to San Francisco. The cheapest flight overall is $198 while the most popular route, (Newark - San Francisco) is currently priced at $239.

  • Can I find deals for flights from Pennsylvania to San Francisco that include hotel bookings?

    Yes. In addition to deals on Pennsylvania to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pennsylvania to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to San Francisco.

  • Can I find deals for business class flights from Pennsylvania to San Francisco?

    Yes. Cheapflights offers flight deals from Pennsylvania to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Pennsylvania to San Francisco?

    Currently, August is the cheapest month in which you can book a flight from Pennsylvania to San Francisco (average of $155). Flying from Pennsylvania to San Francisco in November is currently the most expensive (average of $266). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
South San Francisco
Santa Cruz
Santa Clara
Livermore
Roseville
Rancho Cordova
San Bruno
Watsonville
San Ramon
Union City
Emeryville
Vacaville
San Carlos
Redwood City
Sunnyvale
Turlock
San Lorenzo
Davis
Manteca
Elk Grove

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Pennsylvania to San Francisco

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

Top 6 airlines flying from Pennsylvania to San Francisco

Discover the top 6 airlines that operate flights from Pennsylvania to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$325FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$129Average$304FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$380FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$179Average$436FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$186Average$480FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$289Average$444FlexibilityNo cancel feeOn-time69%

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