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$85+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SAN
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
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 January 12, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$170
(Frontier)

One-way from

$85
(Priceline)

Popular in

December

Cheapest in

September

Average price

$421

Good round-trip deal

$364 or less

Good one-way deal

$305 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. 6% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 12, 2026.

This Frontier deal was found by Cheapflights users on 1/10. 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.
Mon 2/27:59 pmPIT - SAN
1 stop7h 09mFrontier
Mon 2/96:30 amSAN - PIT
1 stop9h 34mFrontier
Deal found 1/10$170
This Frontier deal was found by Cheapflights users on 1/10. 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 1/307:59 pmPIT - SAN
1 stop7h 09mFrontier
Mon 2/96:30 amSAN - PIT
1 stop9h 34mFrontier
Deal found 1/10$190
This Alaska Airlines deal was found by Cheapflights users on 1/11. 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.
Fri 3/134:00 pmJFK - SAN
Nonstop6h 35mAlaska Airlines
Fri 3/139:59 pmSAN - JFK
Nonstop5h 24mAlaska Airlines
Deal found 1/11$212
This Trip.com deal was found by Cheapflights users on 1/10. 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.
Mon 2/94:40 pmJFK - SAN
Nonstop6h 25mJetBlue
Fri 2/139:10 pmSAN - JFK
Nonstop5h 03mJetBlue
Deal found 1/10$213
This Kiwi.com deal was found by Cheapflights users on 1/10. 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 3/258:59 pmLGA - SAN
1 stop30h 17mMultiple Airlines
Thu 4/26:25 amSAN - LGA
1 stop12h 35mMultiple Airlines
Deal found 1/10$213
This Kiwi.com deal was found by Cheapflights users on 1/10. 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.
Mon 2/98:30 amPIT - SAN
1 stop11h 33mMultiple Airlines
Mon 2/238:20 pmSAN - PIT
2 stops17h 19mMultiple Airlines
Deal found 1/10$214
This Super.com deal was found by Cheapflights users on 1/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/73:59 pmJFK - SAN
Nonstop6h 17mJetBlue
Sat 2/149:10 pmSAN - JFK
Nonstop5h 03mJetBlue
Deal found 1/10$214
This Trip.com deal was found by Cheapflights users on 1/10. 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.
Sat 2/74:23 pmJFK - SAN
Nonstop6h 23mMultiple Airlines
Sat 2/149:10 pmSAN - JFK
Nonstop5h 03mMultiple Airlines
Deal found 1/10$216
This Kiwi.com deal was found by Cheapflights users on 1/11. 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 2/198:59 pmLGA - SAN
1 stop14h 51mMultiple Airlines
Sat 2/2812:23 pmSAN - LGA
2 stops22h 37mMultiple Airlines
Deal found 1/11$216
This Delta deal was found by Cheapflights users on 1/9. 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 2/105:40 pmJFK - SAN
Nonstop6h 25mDelta
Wed 2/187:00 amSAN - JFK
Nonstop5h 24mDelta
Deal found 1/9$217
This Priceline deal was found by Cheapflights users on 1/10. 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.
Thu 2/56:00 amPIT - SAN
1 stop11h 18mMultiple Airlines
Mon 2/96:30 amSAN - PIT
1 stop9h 34mMultiple Airlines
Deal found 1/10$218
This Alaska Airlines deal was found by Cheapflights users on 1/11. 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 3/74:25 pmJFK - SAN
Nonstop6h 35mAlaska Airlines
Wed 3/119:59 pmSAN - JFK
Nonstop5h 24mAlaska Airlines
Deal found 1/11$218

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 January 12, 2026.
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

Thu 2/19

8:35 pm-12:05 am

Nonstop6h 30m

San Diego

Sat 2/28

1:40 pm-10:07 pm

Nonstop5h 27m

$217

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Fri 2/6

4:23 pm-7:46 pm

Nonstop6h 23m

San Diego

Mon 2/9

7:51 am-4:12 pm

Nonstop5h 21m

$217

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Sun 3/1

8:35 pm-12:05 am

Nonstop6h 30m

San Diego

Fri 3/6

10:00 pm-6:30 am

Nonstop5h 30m

$217

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Thu 2/5

4:23 pm-7:46 pm

Nonstop6h 23m

San Diego

Sun 2/8

7:51 am-4:12 pm

Nonstop5h 21m

$217

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Tue 3/3

8:30 am-12:00 pm

Nonstop6h 30m

San Diego

Fri 3/6

1:13 pm-9:46 pm

Nonstop5h 33m

$217

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Fri 2/20

4:00 pm-7:35 pm

Nonstop6h 35m

San Diego

Mon 2/23

7:35 am-4:00 pm

Nonstop5h 25m

$217

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Sun 3/22

8:40 pm-12:11 am

Nonstop6h 31m

San Diego

Wed 3/25

10:25 pm-6:49 am

Nonstop5h 24m

$217

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Mon 3/23

8:30 am-11:52 am

Nonstop6h 22m

San Diego

Mon 3/30

10:25 pm-6:49 am

Nonstop5h 24m

$217

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Sun 2/22

8:35 pm-12:05 am

Nonstop6h 30m

San Diego

Fri 2/27

1:13 pm-9:46 pm

Nonstop5h 33m

$217

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Fri 2/27

8:35 pm-12:05 am

Nonstop6h 30m

San Diego

Wed 3/18

10:25 pm-6:49 am

Nonstop5h 24m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

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, September is the cheapest month in which you can book a flight from Pennsylvania to San Diego (average of $131). Flying from Pennsylvania to San Diego in December is currently the most expensive (average of $235). 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 January 12, 2026.

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 January 12, 2026.

The most flights from USPA to SAN are scheduled on a Monday (6 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 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 23m. Your travel time can differ by up to 2h 43m. The distance from Pennsylvania to San Diego is about 2440 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 Spirit Airlines. According to our data, you can fly for as low as $49. Users have also found prices from $83 and $89 on Frontier and Breeze Airways, respectively.

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

    The most popular flight routes from Pennsylvania to San Diego are Newark - San Diego, New York John F Kennedy Intl - 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 (73%) or Qatar Airways (73%) 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 $817 for a flight from Pennsylvania to San Diego. The cheapest flight overall is $265 while the most popular route, (Newark - San Diego) is currently priced at $181.

  • 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, September is the cheapest month in which you can book a flight from Pennsylvania to San Diego (average of $131). Flying from Pennsylvania to San Diego in December is currently the most expensive (average of $235). 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
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

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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 January 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$139Average$291FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$142Average$237FlexibilityNo cancel feeOn-time65%
FrontierCheapest$145Average$237FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$157Average$352FlexibilityNo cancel feeOn-time62%
DeltaCheapest$181Average$390FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$216Average$467FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$232Average$454FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$236Average$424FlexibilityNo cancel feeOn-time63%

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