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$78+ Cheap flights from Pennsylvania to San Diego (SAN)

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SAN
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap flight deals from Pennsylvania to San Diego

Keep the following information in mind while searching for Pennsylvania to San Diego flight deals. Data was last updated November 6, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$222
(Kiwi.com)

One-way from

$78
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$439

Good round-trip deal

$367 or less

Good one-way deal

$208 or less
Provider with most accurate pricing for Philadelphia-San Diego flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-San Diego flights.
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From Pennsylvania to San Diego
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One-way flight from Pennsylvania to San Diego
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Highest demand for flights based on searches. 4% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 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 Diego.
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Price to beat on a one-way flight from Pennsylvania to San Diego.
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Find flight deals from Pennsylvania to San Diego

Cheapest flights from Pennsylvania to San Diego
Explore the most affordable flight options available from Pennsylvania to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/116:59 amJFK - SAN
1 stop11h 39mFrontier
Sun 12/144:47 pmSAN - JFK
2 stops14h 38mFrontier
Deal found 11/6$222
This Mytrip deal was found by Cheapflights users on 11/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1310:55 pmLGA - SAN
1 stop27h 55mFrontier
Tue 11/186:58 amSAN - LGA
1 stop12h 02mFrontier
Deal found 11/6$223
This Expedia deal was found by Cheapflights users on 11/6. 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.
Wed 11/194:00 pmJFK - SAN
1 stop8h 39mMultiple Airlines
Wed 12/39:59 pmSAN - JFK
Nonstop5h 27mMultiple Airlines
Deal found 11/6$225
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/48:55 pmLGA - SAN
1 stop30h 04mMultiple Airlines
Wed 12/106:34 amSAN - LGA
1 stop12h 26mMultiple Airlines
Deal found 11/6$225
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/1112:30 pmLGA - SAN
2 stops14h 29mFrontier
Mon 12/156:34 amSAN - LGA
1 stop12h 26mFrontier
Deal found 11/6$226
This JetBlue deal was found by Cheapflights users on 11/6. 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.
Fri 12/53:55 pmJFK - SAN
Nonstop6h 16mJetBlue
Tue 12/161:57 pmSAN - JFK
Nonstop5h 17mJetBlue
Deal found 11/6$227
This Booking.com deal was found by Cheapflights users on 11/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1010:55 pmLGA - SAN
1 stop23h 20mFrontier
Sun 12/144:47 pmSAN - LGA
1 stop26h 13mFrontier
Deal found 11/6$228
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 11/124:00 pmJFK - SAN
1 stop8h 39mFrontier
Wed 11/191:37 pmSAN - JFK
2 stops16h 28mFrontier
Deal found 11/4$229
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 11/184:27 pmJFK - SAN
Nonstop6h 21mMultiple Airlines
Sat 11/226:52 pmSAN - JFK
1 stop8h 09mMultiple Airlines
Deal found 11/4$230
This Alaska Airlines deal was found by Cheapflights users on 11/6. 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 12/61:00 pmJFK - SAN
1 stop9h 52mAlaska Airlines
Sat 12/69:59 pmSAN - JFK
Nonstop5h 27mAlaska Airlines
Deal found 11/6$231
This Delta deal was found by Cheapflights users on 11/5. 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.
Mon 12/158:35 pmJFK - SAN
Nonstop6h 23mDelta
Wed 12/2410:10 pmSAN - JFK
Nonstop5h 27mDelta
Deal found 11/5$232
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/48:55 pmLGA - SAN
1 stop30h 04mMultiple Airlines
Mon 12/86:34 amSAN - LGA
1 stop12h 26mMultiple Airlines
Deal found 11/6$232

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania to San Diego 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 6, 2025.
Use the filters below to find and compare flights from Pennsylvania to San Diego that are best for you.

Fly from

Pennsylvania

Fly to

San Diego

Route

Depart

Return

Price

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Mon 12/15

8:35 pm-11:58 pm

Nonstop6h 23m

San Diego

Wed 12/24

10:10 pm-6:37 am

Nonstop5h 27m

$232

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Tue 12/9

4:35 pm-8:03 pm

Nonstop6h 28m

San Diego

Wed 12/31

9:59 pm-6:29 am

Nonstop5h 30m

$232

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Sat 12/6

8:40 am-12:02 pm

Nonstop6h 22m

San Diego

Mon 12/8

10:15 pm-6:42 am

Nonstop5h 27m

$237

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Wed 12/3

4:35 pm-8:03 pm

Nonstop6h 28m

San Diego

Wed 12/10

7:59 am-4:27 pm

Nonstop5h 28m

$237

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Sat 12/13

8:40 am-12:02 pm

Nonstop6h 22m

San Diego

Wed 12/17

1:12 pm-9:45 pm

Nonstop5h 33m

$237

New YorkSan Diego

LGA - SAN

LGASAN

New York LaGuardia

Thu 12/4

6:29 pm-11:44 pm

1 stop8h 15m

San Diego

Mon 12/8

10:30 pm-8:45 am

1 stop7h 15m

$237

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Sat 1/17

9:15 am-12:27 pm

Nonstop6h 12m

San Diego

Mon 1/19

10:40 pm-6:50 am

Nonstop5h 10m

$242

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Thu 1/22

4:59 pm-8:24 pm

Nonstop6h 25m

San Diego

Sat 1/24

7:00 am-3:26 pm

Nonstop5h 26m

$242

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Tue 1/6

9:00 am-3:36 pm

1 stop9h 36m

San Diego

Tue 1/13

10:40 pm-6:50 am

Nonstop5h 10m

$247

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Fri 12/5

3:30 pm-8:45 pm

1 stop8h 15m

San Diego

Mon 12/8

7:00 pm-5:34 am

1 stop7h 34m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 60 results
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Best time to book a flight from Pennsylvania to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego 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 Diego

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

Currently, August is the cheapest month in which you can book a flight from Pennsylvania to San Diego (average of $118). Flying from Pennsylvania to San Diego in December is currently the most expensive (average of $268). 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 SAN?

Find hourly flight availability from Pennsylvania to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 33% on flights from Pennsylvania to San Diego by exploring options for tickets in the evening.

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

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

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

Weekly flight availability from Pennsylvania to San Diego

Explore weekly flight availability from Pennsylvania to San Diego. 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 6, 2025.

The most flights from USPA to SAN are scheduled on a Monday (7 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (4 on average).

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to San Diego. 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 Diego from Pennsylvania?

    For a flight from Pennsylvania to San Diego, you will be flying into San Diego. San Diego (SAN) is just 2.6 mi from the center of the city.

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

    Delta, Alaska Airlines, and United Airlines can get you from Pennsylvania to San Diego in just under 6h 12m. Your travel time will be generally consistent. The distance from Pennsylvania to San Diego is about 2419 mi. Most flights are nonstop.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $124. Users have also found prices from $124 and $124 on Delta and Southwest, respectively.

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

    The most popular flight routes from Pennsylvania to San Diego are New York John F Kennedy Intl - San Diego, Newark - San Diego and Washington, D.C. Dulles Intl - San Diego.

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

    Consider American Airlines (78%), British Airways (77%) or Iberia (74%) when booking your flight. These represent the most reliable airlines when flying from Pennsylvania to San Diego.

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

    On average you can expect to pay $336 for a flight from Pennsylvania to San Diego. The cheapest flight overall is $161 while the most popular route, (New York John F Kennedy Intl - San Diego) is currently priced at $146.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pennsylvania to San Diego 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 Diego?

    Currently, August is the cheapest month in which you can book a flight from Pennsylvania to San Diego (average of $118). Flying from Pennsylvania to San Diego in December is currently the most expensive (average of $268). 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 Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
La Mesa
Poway
Lemon Grove
National City

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Alternative routes for Pennsylvania to San Diego

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 Diego

Discover the top 8 airlines that operate flights from Pennsylvania to San Diego. 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 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$64Average$200FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$139Average$291FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$147Average$260FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$157Average$298FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$158Average$464FlexibilityNo cancel feeOn-time69%
DeltaCheapest$184Average$380FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$216Average$476FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$254Average$447FlexibilityNo cancel feeOn-time63%

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