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$116+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SFO
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 July 1, 2025.

Round-trip from

$264
(Frontier)

One-way from

$116
(Priceline)

Popular in

December

Cheapest in

September

Average price

$403

Good round-trip deal

$352 or less

Good one-way deal

$271 or less
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. 3% potential increase in price ($12 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 July 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 July 1, 2025.

This Frontier deal was found by Cheapflights users on 6/30. 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.
Thu 9/411:30 amLGA - SFO
2 stops14h 32mFrontier
Mon 9/811:00 pmSFO - LGA
1 stop8h 33mFrontier
Deal found 6/30$264
This Priceline deal was found by Cheapflights users on 6/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/136:59 amJFK - SFO
1 stop8h 16mFrontier
Wed 7/168:53 pmSFO - JFK
1 stop10h 30mFrontier
Deal found 6/30$264
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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.
Wed 9/34:28 pmJFK - SFO
1 stop8h 15mAlaska Airlines
Sat 9/1310:59 pmSFO - JFK
Nonstop5h 46mAlaska Airlines
Deal found 6/30$267
This Frontier deal was found by Cheapflights users on 6/30. 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 9/1211:15 amEWR - SFO
1 stop13h 06mFrontier
Sun 9/2811:00 pmSFO - EWR
1 stop8h 05mFrontier
Deal found 6/30$273
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 7/27:30 amIAD - SFO
1 stop16h 51mFrontier
Tue 7/81:09 pmSFO - IAD
1 stop14h 25mFrontier
Deal found 6/30$275
This Frontier deal was found by Cheapflights users on 6/30. 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 8/66:00 pmDCA - SFO
1 stop8h 25mFrontier
Mon 8/1110:11 pmSFO - DCA
2 stops10h 53mFrontier
Deal found 6/30$275
This JetBlue deal was found by Cheapflights users on 6/30. 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.
Wed 10/154:39 pmDCA - SFO
1 stop10h 11mJetBlue
Sun 10/196:00 amSFO - DCA
1 stop10h 21mJetBlue
Deal found 6/30$276
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 9/168:35 amIAD - SFO
Nonstop5h 38mUnited Airlines
Sat 9/209:10 pmSFO - IAD
Nonstop5h 14mUnited Airlines
Deal found 6/30$277
This Delta deal was found by Cheapflights users on 6/30. 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.
Tue 8/1211:59 amLGA - SFO
1 stop9h 53mDelta
Tue 8/2610:57 pmSFO - LGA
1 stop6h 52mDelta
Deal found 6/30$277
This Delta deal was found by Cheapflights users on 6/30. 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 8/166:00 amPIT - SFO
1 stop7h 10mDelta
Wed 8/206:00 amSFO - PIT
1 stop9h 40mDelta
Deal found 6/30$277
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 10/186:59 pmDCA - SFO
Nonstop5h 53mAlaska Airlines
Wed 10/229:40 amSFO - DCA
Nonstop5h 19mAlaska Airlines
Deal found 6/30$277
This Alaska Airlines deal was found by Cheapflights users on 6/29. 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.
Wed 9/247:19 amEWR - SFO
1 stop9h 25mAlaska Airlines
Tue 9/306:00 amSFO - EWR
1 stop8h 13mAlaska Airlines
Deal found 6/29$277

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 July 1, 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

LGA - SFO

LGASFO

New York LaGuardia

Thu 9/4

11:30 am-11:02 pm

2 stops14h 32m

San Francisco

Mon 9/8

11:00 pm-10:33 am

1 stop8h 33m

$264

New YorkSan Francisco

JFK - SFO

JFKSFO

New York John F Kennedy Intl

Sun 7/13

6:59 am-12:15 pm

1 stop8h 16m

San Francisco

Wed 7/16

8:53 pm-10:23 am

1 stop10h 30m

$264

New YorkSan Francisco

JFK - SFO

JFKSFO

New York John F Kennedy Intl

Wed 9/3

10:00 am-6:42 pm

1 stop11h 42m

San Francisco

Wed 9/10

1:30 pm-10:17 pm

Nonstop5h 47m

$267

NewarkSan Francisco

EWR - SFO

EWRSFO

Newark

Fri 9/12

11:15 am-9:21 pm

1 stop13h 06m

San Francisco

Sun 9/28

11:00 pm-10:05 am

1 stop8h 05m

$273

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 7/22

7:30 am-12:15 pm

1 stop7h 45m

San Francisco

Wed 7/30

8:53 pm-12:44 pm

1 stop12h 51m

$275

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sat 8/23

6:59 pm-9:50 pm

Nonstop5h 51m

San Francisco

Sat 8/30

9:34 am-5:59 pm

Nonstop5h 25m

$276

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 9/16

8:35 am-11:13 am

Nonstop5h 38m

San Francisco

Sat 9/20

9:10 pm-5:24 am

Nonstop5h 14m

$277

New YorkSan Francisco

LGA - SFO

LGASFO

New York LaGuardia

Tue 8/12

3:00 pm-8:25 pm

1 stop8h 25m

San Francisco

Wed 8/20

6:15 am-8:26 pm

1 stop11h 11m

$277

PittsburghSan Francisco

PIT - SFO

PITSFO

Pittsburgh

Sat 8/16

6:00 am-10:10 am

1 stop7h 10m

San Francisco

Thu 8/21

6:15 am-5:01 pm

1 stop7h 46m

$277

NewarkSan Francisco

EWR - SFO

EWRSFO

Newark

Wed 9/24

1:55 pm-4:52 pm

Nonstop5h 57m

San Francisco

Mon 9/29

9:15 pm-5:39 am

Nonstop5h 24m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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, January is the cheapest month in which you can book a flight from Pennsylvania to San Francisco (average of $276). Flying from Pennsylvania to San Francisco in June is currently the most expensive (average of $360). 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 July 1, 2025.

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 July 1, 2025.

The most flights from USPA to SFO are scheduled on a Tuesday (18 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 on average).

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

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated July 1, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Pennsylvania to San Francisco to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,974 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,538 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 18 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 $116. JetBlue flights start at $136 while deals on Hawaiian Airlines start at $137 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 New York LaGuardia - 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 United Airlines (87%), Virgin Australia (84%) or Air New Zealand (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 $1,771 for a flight from Pennsylvania to San Francisco. The cheapest flight overall is $168 while the most popular route, (New York John F Kennedy Intl - San Francisco) is currently priced at $198.

  • 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, January is the cheapest month in which you can book a flight from Pennsylvania to San Francisco (average of $276). Flying from Pennsylvania to San Francisco in June is currently the most expensive (average of $360). 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 Pennsylvania?

Book flights to Pennsylvania if you plan to visit one of these locations
Roseville
Mountain View
South San Francisco
Livermore
Santa Cruz
Turlock
Manteca
Watsonville
Fairfield
Antioch
Hollister
Milpitas
Sunnyvale
Newark
Alameda
Hayward
Daly City
Campbell
Capitola
Foster City

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 7 airlines flying from Pennsylvania to San Francisco

Discover the top 7 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$90Average$292FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$122Average$203FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$136Average$248FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$198Average$474FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$203Average$469FlexibilityNo cancel feeOn-time69%
DeltaCheapest$220Average$376FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$279Average$445FlexibilityNo cancel feeOn-time63%

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