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$121+ 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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SFO
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
1 adult, Economy
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Cheap 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 November 17, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$231
(Kiwi.com)

One-way from

$121
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$450

Good round-trip deal

$332 or less

Good one-way deal

$273 or less
Provider with most accurate pricing for Philadelphia-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-San Francisco flights.
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From Pennsylvania to San Francisco
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One-way flight from Pennsylvania to San Francisco
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Highest demand for flights based on searches. 6% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Pennsylvania to San Francisco.
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Price to beat on a one-way flight from Pennsylvania to San Francisco.
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Find 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 November 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/17. 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.
Sun 12/710:08 pmLGA - SFO
2 stops29h 16mFrontier
Sat 12/136:30 amSFO - LGA
1 stop12h 30mFrontier
Deal found 11/17$231
This Alaska Airlines deal was found by Cheapflights users on 11/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/244:29 pmJFK - SFO
1 stop10h 20mAlaska Airlines
Thu 11/276:20 amSFO - JFK
Nonstop5h 40mAlaska Airlines
Deal found 11/17$231
This Frontier deal was found by Cheapflights users on 11/17. 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.
Fri 12/126:20 amLGA - SFO
1 stop9h 58mFrontier
Mon 1/511:20 pmSFO - LGA
1 stop14h 09mFrontier
Deal found 11/17$233
This Kiwi.com deal was found by Cheapflights users on 11/16. 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.
Sun 12/147:00 amJFK - SFO
1 stop10h 03mMultiple Airlines
Mon 1/56:24 amSFO - JFK
1 stop26h 31mMultiple Airlines
Deal found 11/16$233
This Frontier deal was found by Cheapflights users on 11/15. 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.
Wed 12/310:55 pmLGA - SFO
1 stop11h 58mFrontier
Wed 12/176:30 amSFO - LGA
1 stop12h 30mFrontier
Deal found 11/15$234
This JetBlue deal was found by Cheapflights users on 11/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/138:00 pmJFK - SFO
Nonstop6h 43mJetBlue
Fri 1/93:05 pmSFO - JFK
Nonstop5h 26mJetBlue
Deal found 11/15$234
This Flightnetwork deal was found by Cheapflights users on 11/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:55 pmLGA - SFO
1 stop28h 29mFrontier
Fri 12/1211:38 pmSFO - LGA
1 stop13h 51mFrontier
Deal found 11/15$235
This Kiwi.com deal was found by Cheapflights users on 11/15. 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 12/44:35 pmJFK - SFO
1 stop10h 13mAlaska Airlines
Thu 12/119:00 amSFO - JFK
1 stop10h 59mAlaska Airlines
Deal found 11/15$235
This Delta deal was found by Cheapflights users on 11/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/124:56 pmLGA - SFO
1 stop9h 17mDelta
Thu 1/812:40 amSFO - LGA
1 stop7h 17mDelta
Deal found 11/16$236
This Kiwi.com deal was found by Cheapflights users on 11/15. 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 12/54:29 pmJFK - SFO
1 stop10h 55mFrontier
Sat 12/1311:33 pmSFO - JFK
1 stop9h 27mFrontier
Deal found 11/15$236
This Delta deal was found by Cheapflights users on 11/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/139:20 amLGA - SFO
1 stop8h 03mDelta
Tue 2/310:54 pmSFO - LGA
1 stop7h 03mDelta
Deal found 11/17$237
This Delta deal was found by Cheapflights users on 11/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:05 pmJFK - SFO
Nonstop6h 34mDelta
Wed 12/107:00 amSFO - JFK
Nonstop5h 29mDelta
Deal found 11/16$237

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 November 17, 2025.
Use the filters below to find and compare flights from Pennsylvania to San Francisco that are best for you.

Fly from

Pennsylvania

Fly to

San Francisco

Route

Depart

Return

Price

New YorkSan Francisco

JFK - SFO

JFKSFO

New York John F Kennedy Intl

Mon 1/12

8:25 am-12:09 pm

Nonstop6h 44m

San Francisco

Tue 1/13

10:40 pm-7:03 am

Nonstop5h 23m

$234

New YorkSan Francisco

LGA - SFO

LGASFO

New York LaGuardia

Sat 1/24

5:12 pm-11:25 pm

1 stop9h 13m

San Francisco

Thu 1/29

12:40 am-10:57 am

1 stop7h 17m

$237

New YorkSan Francisco

LGA - SFO

LGASFO

New York LaGuardia

Thu 1/8

1:05 pm-6:38 pm

1 stop8h 33m

San Francisco

Wed 2/11

12:46 pm-11:39 pm

1 stop7h 53m

$237

New YorkSan Francisco

JFK - SFO

JFKSFO

New York John F Kennedy Intl

Wed 12/10

7:00 am-10:35 am

Nonstop6h 35m

San Francisco

Sun 12/14

10:55 pm-7:30 am

Nonstop5h 35m

$237

New YorkSan Francisco

JFK - SFO

JFKSFO

New York John F Kennedy Intl

Wed 1/7

7:05 am-10:51 am

Nonstop6h 46m

San Francisco

Wed 2/11

10:55 pm-7:30 am

Nonstop5h 35m

$237

New YorkSan Francisco

JFK - SFO

JFKSFO

New York John F Kennedy Intl

Sat 12/6

4:00 pm-10:45 pm

1 stop9h 45m

San Francisco

Tue 12/9

6:28 am-3:00 pm

Nonstop5h 32m

$247

New YorkSan Francisco

JFK - SFO

JFKSFO

New York John F Kennedy Intl

Tue 12/9

9:30 am-1:17 pm

Nonstop6h 47m

San Francisco

Sat 12/13

8:31 pm-4:22 pm

1 stop16h 51m

$247

New YorkSan Francisco

JFK - SFO

JFKSFO

New York John F Kennedy Intl

Thu 12/11

8:15 pm-11:58 pm

Nonstop6h 43m

San Francisco

Fri 1/9

6:00 am-9:42 pm

1 stop12h 42m

$255

New YorkSan Francisco

JFK - SFO

JFKSFO

New York John F Kennedy Intl

Mon 1/12

3:55 pm-11:59 pm

1 stop11h 04m

San Francisco

Mon 1/19

3:05 pm-11:31 pm

Nonstop5h 26m

$255

NewarkSan Francisco

EWR - SFO

EWRSFO

Newark

Mon 12/8

7:50 am-11:24 am

Nonstop6h 34m

San Francisco

Wed 1/7

7:00 am-3:29 pm

Nonstop5h 29m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/15

Showing 1-10 of 60 results
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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, March is the cheapest month in which you can book a flight from Pennsylvania to San Francisco (average of $150). Flying from Pennsylvania to San Francisco in October is currently the most expensive (average of $220). 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 November 17, 2025.

A simple way to save on the total cost of your ticket is to fly from Pennsylvania to San Francisco in the evening. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Pennsylvania to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Pennsylvania to San Francisco. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Pennsylvania to San Francisco flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 17, 2025.

The most flights from USPA to SFO are scheduled on a Monday (17 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (14 on average).

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 11.8 mi journey from San Francisco (SFO) to San Francisco’s city center.

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

    The Pennsylvania to San Francisco flight path was viewed by 41 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 44m. Fly via JetBlue, 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 Alaska Airlines, which is currently one of the cheapest options available, starting at $128. Delta flights start at $139 while deals on JetBlue start at $139 one-way.

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

    The most popular flight routes from Pennsylvania to San Francisco are New York John F Kennedy Intl - San Francisco, Newark - San Francisco and Washington, D.C. Reagan-National - 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 Air China (89%), ANA (85%) or American Airlines (84%) 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 $1,257 for a flight from Pennsylvania to San Francisco. The cheapest flight overall is $158 while the most popular route, (New York John F Kennedy Intl - San Francisco) is currently priced at $130.

  • 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, March is the cheapest month in which you can book a flight from Pennsylvania to San Francisco (average of $150). Flying from Pennsylvania to San Francisco in October is currently the most expensive (average of $220). 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
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Sunnyvale
Santa Clara
Vallejo
Hollister
San Bruno
Foster City
Redwood City
Union City
Burlingame
Lodi
San Mateo
Vacaville
Lathrop

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.
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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 November 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$315FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$179Average$445FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$198Average$477FlexibilityNo cancel feeOn-time71%
DeltaCheapest$212Average$373FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$225Average$266FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$289Average$454FlexibilityNo cancel feeOn-time69%

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