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San Diego

$82+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SAN
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$200
(Frontier)

One-way from

$82
(Southwest)

Popular in

December

Cheapest in

January

Average price

$403

Good round-trip deal

$234 or less

Good one-way deal

$89 or less
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. 3% potential increase in price ($14 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 September 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 September 15, 2025.

This Frontier deal was found by Cheapflights users on 9/14. 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 9/2512:30 pmJFK - SAN
1 stop8h 12mFrontier
Thu 10/212:33 pmSAN - JFK
1 stop13h 57mFrontier
Deal found 9/14$200
This Flightnetwork deal was found by Cheapflights users on 9/13. 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.
Tue 10/216:59 amJFK - SAN
1 stop17h 21mFrontier
Tue 10/282:24 pmSAN - JFK
1 stop21h 36mFrontier
Deal found 9/13$201
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/61:05 pmJFK - SAN
1 stop12h 09mFrontier
Mon 11/106:25 amSAN - JFK
1 stop26h 34mFrontier
Deal found 9/14$202
This Southwest deal was found by Cheapflights users on 9/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:30 amLGA - SAN
2 stops10h 35mSouthwest
Wed 11/197:35 amSAN - LGA
2 stops11h 20mSouthwest
Deal found 9/12$202
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 9/2512:30 pmJFK - SAN
1 stop8h 12mFrontier
Sat 9/278:00 amSAN - JFK
1 stop18h 30mFrontier
Deal found 9/14$203
This Southwest deal was found by Cheapflights users on 9/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/303:35 pmLGA - SAN
1 stop8h 45mSouthwest
Wed 10/811:00 amSAN - LGA
1 stop8h 25mSouthwest
Deal found 9/12$203
This Southwest deal was found by Cheapflights users on 9/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:20 amPIT - SAN
1 stop7h 25mSouthwest
Tue 11/1810:30 amSAN - PIT
2 stops8h 05mSouthwest
Deal found 9/12$204
This CheapOair deal was found by Cheapflights users on 9/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/310:56 pmLGA - SAN
1 stop26h 28mFrontier
Sun 10/55:37 pmSAN - LGA
1 stop24h 22mFrontier
Deal found 9/12$205
This Booking.com deal was found by Cheapflights users on 9/14. 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 10/110:59 amLGA - SAN
2 stops23h 30mSpirit Airlines
Sat 10/41:35 pmSAN - LGA
2 stops18h 25mSpirit Airlines
Deal found 9/14$206
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/212:30 pmJFK - SAN
1 stop8h 12mFrontier
Tue 10/78:00 amSAN - JFK
1 stop18h 30mFrontier
Deal found 9/13$207
This Booking.com deal was found by Cheapflights users on 9/14. 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.
Tue 10/1410:55 pmLGA - SAN
1 stop27h 55mFrontier
Tue 10/216:41 amSAN - LGA
1 stop12h 19mFrontier
Deal found 9/14$207
This Booking.com deal was found by Cheapflights users on 9/14. 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 9/246:59 amJFK - SAN
1 stop17h 25mFrontier
Tue 9/308:00 amSAN - JFK
1 stop18h 30mFrontier
Deal found 9/14$208

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 September 15, 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

PittsburghSan Diego

PIT - SAN

PITSAN

Pittsburgh

Thu 10/23

6:00 pm-10:30 pm

1 stop7h 30m

San Diego

Mon 10/27

1:35 pm-12:30 am

1 stop7h 55m

$209

PittsburghSan Diego

PIT - SAN

PITSAN

Pittsburgh

Fri 11/14

11:20 am-7:25 pm

2 stops11h 05m

San Diego

Tue 11/18

10:30 am-9:35 pm

2 stops8h 05m

$210

New YorkSan Diego

LGA - SAN

LGASAN

New York LaGuardia

Wed 12/10

6:30 am-2:25 pm

1 stop10h 55m

San Diego

Fri 12/12

10:55 am-10:50 pm

1 stop8h 55m

$213

New YorkSan Diego

LGA - SAN

LGASAN

New York LaGuardia

Tue 9/30

7:20 am-3:20 pm

2 stops11h 00m

San Diego

Mon 10/6

11:05 am-11:25 pm

2 stops9h 20m

$218

New YorkSan Diego

LGA - SAN

LGASAN

New York LaGuardia

Wed 10/29

6:30 am-2:20 pm

1 stop10h 50m

San Diego

Sat 11/1

6:45 am-8:55 pm

2 stops11h 10m

$218

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Tue 10/7

4:45 pm-7:31 pm

Nonstop5h 46m

San Diego

Sat 10/11

2:35 pm-10:57 pm

Nonstop5h 22m

$237

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Sat 10/25

6:45 am-9:33 am

Nonstop5h 48m

San Diego

Tue 10/28

10:18 pm-6:30 am

Nonstop5h 12m

$237

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Sat 11/15

4:27 pm-7:48 pm

Nonstop6h 21m

San Diego

Sat 11/15

9:59 pm-6:27 am

Nonstop5h 28m

$242

New YorkSan Diego

LGA - SAN

LGASAN

New York LaGuardia

Fri 9/26

3:50 pm-9:45 pm

1 stop8h 55m

San Diego

Sat 9/27

6:48 am-5:17 pm

1 stop7h 29m

$242

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Wed 10/22

6:30 pm-9:24 pm

Nonstop5h 54m

San Diego

Sat 10/25

8:08 pm-7:10 am

1 stop8h 02m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

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 $286). Flying from Pennsylvania to San Diego in March is currently the most expensive (average of $366). 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 September 15, 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 Diego as you normally would.

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 September 15, 2025.

The most flights from USPA to SAN are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, 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?

    Southwest, United Airlines, and Alaska Airlines can get you from Pennsylvania to San Diego in just under 5h 46m. Your travel time can differ by up to 1h 44m. The distance from Pennsylvania to San Diego is about 2419 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as $82. Users have also found prices from $128 and $128 on Hawaiian Airlines and Alaska Airlines, 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 (74%), British Airways (68%) or Qatar Airways (65%) 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 $434 for a flight from Pennsylvania to San Diego. The cheapest flight overall is $133 while the most popular route, (New York John F Kennedy Intl - San Diego) is currently priced at $191.

  • 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 $286). Flying from Pennsylvania to San Diego in March is currently the most expensive (average of $366). 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
La Mesa
Poway
Lemon Grove
Coronado
Imperial Beach
National City
Alpine

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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 7 airlines flying from Pennsylvania to San Diego

Discover the top 7 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$84Average$197FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$139Average$291FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$143Average$268FlexibilityNo cancel feeOn-time65%
DeltaCheapest$143Average$375FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$223Average$464FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$226Average$481FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$271Average$460FlexibilityNo cancel feeOn-time63%

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