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$125+ 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 3/21. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SFO
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Pennsylvania to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Pennsylvania (USPA) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$242
(American Airlines)

One-way from

$125
(Delta)

Good round-trip deal

$326 or less

Good one-way deal

$225 or less
From Pennsylvania to San Francisco
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One-way flight from Pennsylvania to San Francisco
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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 January 21, 2025.

This American Airlines deal was found by Cheapflights users on 1/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/226:00 amLGA - SFO
1 stop9h 47mAmerican Airlines
Sat 3/19:00 amSFO - LGA
1 stop8h 00mAmerican Airlines
Deal found 1/21$242
This Delta deal was found by Cheapflights users on 1/21. 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 2/226:04 amLGA - SFO
1 stop10h 20mDelta
Sat 3/110:45 pmSFO - LGA
1 stop7h 18mDelta
Deal found 1/21$243
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 2/261:00 pmJFK - SFO
Nonstop7h 03mAlaska Airlines
Mon 3/36:31 amSFO - JFK
Nonstop5h 29mAlaska Airlines
Deal found 1/21$243
This JetBlue deal was found by Cheapflights users on 1/21. 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.
Thu 2/208:29 amJFK - SFO
Nonstop6h 47mJetBlue
Thu 2/203:30 pmSFO - JFK
Nonstop5h 29mJetBlue
Deal found 1/21$244
This Frontier deal was found by Cheapflights users on 1/20. 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 3/124:00 pmLGA - SFO
1 stop9h 42mFrontier
Sun 3/1611:52 pmSFO - LGA
1 stop12h 09mFrontier
Deal found 1/20$245
This FlightHub deal was found by Cheapflights users on 1/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/17:59 amJFK - SFO
1 stop26h 17mFrontier
Sat 2/1510:59 pmSFO - JFK
1 stop28h 31mFrontier
Deal found 1/21$245
This Trip.com deal was found by Cheapflights users on 1/20. 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 3/116:00 pmDCA - SFO
1 stop9h 43mFrontier
Sat 3/297:43 pmSFO - DCA
1 stop13h 20mFrontier
Deal found 1/20$251
This Lucky2Go deal was found by Cheapflights users on 1/20. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/249:13 pmIAD - SFO
2 stops22h 21mFrontier
Tue 3/43:30 pmSFO - IAD
2 stops20h 09mFrontier
Deal found 1/20$252
This United Airlines deal was found by Cheapflights users on 1/21. 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 4/26:29 amLGA - SFO
1 stop7h 59mUnited Airlines
Mon 4/712:43 amSFO - LGA
1 stop8h 55mUnited Airlines
Deal found 1/21$252
This Orbitz deal was found by Cheapflights users on 1/20. 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.
Tue 3/185:15 pmDCA - SFO
Nonstop6h 31mMultiple Airlines
Thu 3/206:00 amSFO - DCA
1 stop12h 59mMultiple Airlines
Deal found 1/20$254
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 2/195:18 pmIAD - SFO
1 stop17h 42mAlaska Airlines
Wed 2/266:00 amSFO - IAD
1 stop7h 18mAlaska Airlines
Deal found 1/20$256
This United Airlines deal was found by Cheapflights users on 1/21. 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 3/410:20 pmIAD - SFO
Nonstop6h 14mUnited Airlines
Thu 3/64:59 pmSFO - IAD
Nonstop5h 02mUnited Airlines
Deal found 1/21$257

Find flights from Pennsylvania to San Francisco within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

New YorkSan Francisco

LGA - SFO

LGASFO

New York LaGuardia

Sat 2/22

6:00 am-12:47 pm

1 stop9h 47m

San Francisco

Sat 3/1

9:00 am-8:00 pm

1 stop8h 00m

$242

New YorkSan Francisco

JFK - SFO

JFKSFO

New York John F Kennedy Intl

Fri 4/4

6:59 am-9:29 pm

1 stop17h 30m

San Francisco

Sat 4/12

10:59 pm-5:30 am

1 stop27h 31m

$242

New YorkSan Francisco

LGA - SFO

LGASFO

New York LaGuardia

Sat 2/22

6:04 am-11:32 am

1 stop8h 28m

San Francisco

Fri 2/28

12:35 pm-11:44 pm

1 stop8h 09m

$243

New YorkSan Francisco

JFK - SFO

JFKSFO

New York John F Kennedy Intl

Tue 2/25

1:00 pm-5:03 pm

Nonstop7h 03m

San Francisco

Thu 2/27

2:34 pm-10:59 pm

Nonstop5h 25m

$243

New YorkSan Francisco

JFK - SFO

JFKSFO

New York John F Kennedy Intl

Thu 2/20

8:29 am-12:16 pm

Nonstop6h 47m

San Francisco

Thu 2/20

3:30 pm-11:59 pm

Nonstop5h 29m

$244

New YorkSan Francisco

LGA - SFO

LGASFO

New York LaGuardia

Wed 3/12

4:00 pm-10:42 pm

1 stop9h 42m

San Francisco

Sun 3/16

11:52 pm-3:01 pm

1 stop12h 09m

$245

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Tue 3/11

6:00 pm-12:43 am

1 stop9h 43m

San Francisco

Sat 3/29

7:43 pm-12:03 pm

1 stop13h 20m

$251

New YorkSan Francisco

LGA - SFO

LGASFO

New York LaGuardia

Wed 4/2

6:29 am-11:28 am

1 stop7h 59m

San Francisco

Mon 4/7

12:43 am-12:38 pm

1 stop8h 55m

$252

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Mon 2/24

9:13 pm-4:34 pm

2 stops22h 21m

San Francisco

Tue 3/4

3:30 pm-2:39 pm

2 stops20h 09m

$252

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Tue 3/18

5:15 pm-8:46 pm

Nonstop6h 31m

San Francisco

Thu 3/20

6:00 am-9:59 pm

1 stop12h 59m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

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.

Travel insights for flights from Pennsylvania to San Francisco

Get recent, data-driven insights about flights from Pennsylvania to San Francisco including ideal travel times, pricing trends, and more.

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 $405). 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 January 21, 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 January 21, 2025.

The most flights from USPA to SFO are scheduled on a Monday (10 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 January 21, 2025.
To help decide which airline to fly from Pennsylvania to San Francisco, see what other customers have to say about American Airlines, Alaska Airlines and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,662 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,706 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,521 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

JetBlue
7.4
Good
3,201 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,985 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

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 37 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 Delta, which is currently one of the cheapest options available, starting at $125. Frontier flights start at $126 while deals on Alaska Airlines start at $128 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. Dulles Intl - 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 Fiji Airways (81%), China Southern (80%) or Air China (80%) 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 $1,022 for a flight from Pennsylvania to San Francisco. The cheapest flight overall is $148 while the most popular route, (New York John F Kennedy Intl - San Francisco) is currently priced at $137.

  • 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 $405). 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
Turlock
Santa Cruz
Fairfield
Manteca
Sausalito
Watsonville
Hayward
Richmond
Hollister
South San Francisco
Antioch
Milpitas
Elk Grove
Newark
Alameda
Campbell
Lathrop
Pacific 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.
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Top 8 airlines flying from Pennsylvania to San Francisco

Discover the top 8 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$134Average$228FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$135Average$313FlexibilityNo cancel feeOn-time83%
Spirit AirlinesCheapest$147Average$242FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$200Average$449FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$203Average$534FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$225Average$262FlexibilityNo cancel feeOn-time62%
DeltaCheapest$255Average$389FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$342Average$467FlexibilityNo cancel feeOn-time63%
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