San Diego

$86+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SAN
Jun 2 — Jun 91
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pennsylvania to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 May 3, 2026.

This Flysmarter deal was found by Cheapflights users on 4/28. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:59 pm
JFK
-
SAN
Nonstop6h 08m
JetBlue
Fri 5/298:30 pm
SAN
-
JFK
Nonstop5h 33m
JetBlue
Deal found 4/28$270
This lol.travel deal was found by Cheapflights users on 4/29. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:30 am
JFK
-
SAN
Nonstop6h 05m
JetBlue
Wed 6/38:30 pm
SAN
-
JFK
Nonstop5h 33m
JetBlue
Deal found 4/29$271
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/283:59 pm
JFK
-
SAN
Nonstop6h 08m
JetBlue
Tue 6/28:30 pm
SAN
-
JFK
Nonstop5h 33m
JetBlue
Deal found 4/30$272
This Super.com deal was found by Cheapflights users on 5/3. 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.
Fri 9/114:59 pm
JFK
-
SAN
Nonstop6h 02m
JetBlue
Sat 9/129:30 pm
SAN
-
JFK
Nonstop5h 37m
JetBlue
Deal found 5/3$274
This Super.com deal was found by Cheapflights users on 4/29. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:59 pm
JFK
-
SAN
Nonstop6h 08m
JetBlue
Wed 5/278:30 pm
SAN
-
JFK
Nonstop5h 33m
JetBlue
Deal found 4/29$275
This Super.com deal was found by Cheapflights users on 4/28. 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.
Thu 11/126:30 am
JFK
-
SAN
Nonstop6h 07m
JetBlue
Mon 11/169:30 pm
SAN
-
JFK
Nonstop5h 12m
JetBlue
Deal found 4/28$276
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Fri 6/59:35 am
PIT
-
SAN
Nonstop5h 13m
Breeze Airways
Mon 6/812:33 pm
SAN
-
PIT
Nonstop5h 01m
Breeze Airways
Deal found 4/30$277
This Delta deal was found by Cheapflights users on 4/28. 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.
Thu 11/268:45 am
JFK
-
SAN
Nonstop6h 23m
Delta
Tue 12/110:10 pm
SAN
-
JFK
Nonstop5h 25m
Delta
Deal found 4/28$277
This Breeze Airways deal was found by Cheapflights users on 4/28. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/39:35 am
PIT
-
SAN
Nonstop5h 13m
Breeze Airways
Mon 7/612:33 pm
SAN
-
PIT
Nonstop5h 01m
Breeze Airways
Deal found 4/28$278
This JetBlue deal was found by Cheapflights users on 4/28. 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 5/277:30 am
JFK
-
SAN
Nonstop6h 05m
JetBlue
Tue 6/28:30 pm
SAN
-
JFK
Nonstop5h 33m
JetBlue
Deal found 4/28$278
This Super.com deal was found by Cheapflights users on 5/2. 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.
Mon 6/19:35 am
PIT
-
SAN
Nonstop5h 13m
Breeze Airways
Mon 6/812:33 pm
SAN
-
PIT
Nonstop5h 01m
Breeze Airways
Deal found 5/2$281
This Breeze Airways deal was found by Cheapflights users on 4/29. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/39:35 am
PIT
-
SAN
Nonstop5h 13m
Breeze Airways
Mon 8/1012:33 pm
SAN
-
PIT
Nonstop5h 01m
Breeze Airways
Deal found 4/29$283

Find 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 May 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$270
(Flysmarter)

One-way from

$86
(Frontier)

Popular in

March

Cheapest in

September

Average price

$455

Good round-trip deal

$234 or less

Good one-way deal

$170 or less
Provider with most accurate pricing for Philadelphia-San Diego flight deals.
Provider most trusted by Cheapflights users for Philadelphia-San Diego flights.
From Pennsylvania to San Diego
One-way flight from Pennsylvania to San Diego
Highest demand for flights based on searches. 6% potential increase in price ($32 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from Pennsylvania to San Diego.
Price to beat on a one-way flight from Pennsylvania to San Diego.

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 May 3, 2026.
Use the filters below to find and compare flights from Pennsylvania to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Sat 5/23

8:30 pm-11:42 pm

Nonstop6h 12m

San Diego

Wed 5/27

1:10 pm-10:00 pm

Nonstop5h 50m

$277

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Wed 6/10

3:59 pm-7:07 pm

Nonstop6h 08m

San Diego

Fri 6/19

8:44 pm-5:23 am

Nonstop5h 39m

$277

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Fri 10/23

8:20 pm-11:45 pm

Nonstop6h 25m

San Diego

Mon 10/26

10:10 pm-6:35 am

Nonstop5h 25m

$277

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Wed 6/3

11:30 am-2:38 pm

Nonstop6h 08m

San Diego

Tue 6/9

5:17 pm-6:29 am

1 stop10h 12m

$287

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Sat 8/1

6:00 am-10:22 am

1 stop7h 22m

San Diego

Wed 8/5

6:15 am-7:30 pm

1 stop10h 15m

$297

NewarkSan Diego

EWR - SAN

EWRSAN

Newark

Tue 7/14

6:00 am-10:22 am

1 stop7h 22m

San Diego

Mon 7/20

10:15 pm-8:43 am

1 stop7h 28m

$297

New YorkSan Diego

LGA - SAN

LGASAN

New York LaGuardia

Fri 10/23

6:00 pm-11:55 pm

1 stop8h 55m

San Diego

Mon 10/26

10:30 pm-9:00 am

1 stop7h 30m

$297

New YorkSan Diego

LGA - SAN

LGASAN

New York LaGuardia

Mon 8/24

7:00 am-12:45 pm

1 stop8h 45m

San Diego

Thu 9/24

12:50 pm-11:50 pm

1 stop8h 00m

$297

New YorkSan Diego

LGA - SAN

LGASAN

New York LaGuardia

Fri 9/25

6:00 am-12:45 pm

1 stop9h 45m

San Diego

Tue 9/29

10:40 pm-10:47 am

1 stop9h 07m

$297

New YorkSan Diego

LGA - SAN

LGASAN

New York LaGuardia

Sat 5/30

7:30 am-1:17 pm

1 stop8h 47m

San Diego

Mon 6/1

10:15 pm-8:48 am

1 stop7h 33m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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

How far ahead should I book a flight from Pennsylvania to San Diego?

The price you pay for your flight from Pennsylvania to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 29 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Pennsylvania to San Diego (average of $99). Flying from Pennsylvania to San Diego in April is currently the most expensive (average of $989). 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 May 3, 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 May 3, 2026.

The most flights from USPA to SAN are scheduled on a Saturday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

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

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 popular is this Pennsylvania to San Diego flight route?

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

    Delta, JetBlue, and Alaska Airlines can get you from Pennsylvania to San Diego in just under 6h 08m. Your travel time will be generally consistent. The distance from Pennsylvania to San Diego is about 2440 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 Spirit Airlines. According to our data, you can fly for as low as $84. Users have also found prices from $86 and $96 on Frontier and Breeze Airways, respectively.

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

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

    Consider Qatar Airways (93%), Iberia (89%) or American Airlines (86%) 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 $1,037 for a flight from Pennsylvania to San Diego. The cheapest flight overall is $267 while the most popular route, (Newark - San Diego) is currently priced at $264.

  • 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, November is the cheapest month in which you can book a flight from Pennsylvania to San Diego (average of $99). Flying from Pennsylvania to San Diego in April is currently the most expensive (average of $989). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Pennsylvania to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

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 May 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$99Average$237FlexibilityNo cancel feeOn-time65%
FrontierCheapest$126Average$260FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$129Average$278FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$138Average$404FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$168Average$405FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$212Average$479FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$235Average$452FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$241Average$431FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.