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$108+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SAN
Aug 10 — Aug 171
Mon 8/10
Mon 8/17
1 adult, Economy
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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 July 11, 2026.

This Southwest deal was found by Cheapflights users on 7/8. 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 8/214:10 pm
PIT
-
SAN
1 stop9h 35m
Southwest
Mon 8/2410:15 am
SAN
-
PIT
2 stops8h 50m
Southwest
Deal found 7/8$262
This Breeze Airways deal was found by Cheapflights users on 7/7. 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 8/219:35 am
PIT
-
SAN
Nonstop5h 13m
Breeze Airways
Mon 8/3112:33 pm
SAN
-
PIT
Nonstop5h 01m
Breeze Airways
Deal found 7/7$263
This Southwest deal was found by Cheapflights users on 7/7. 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 9/222:00 pm
PIT
-
SAN
2 stops7h 55m
Southwest
Fri 9/2510:15 am
SAN
-
PIT
2 stops8h 50m
Southwest
Deal found 7/7$267
This Southwest deal was found by Cheapflights users on 7/8. 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 8/1412:50 pm
PIT
-
SAN
Nonstop4h 45m
Southwest
Wed 8/1912:20 pm
SAN
-
PIT
1 stop7h 00m
Southwest
Deal found 7/8$268
This Expedia deal was found by Cheapflights users on 7/8. 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.
Fri 8/219:35 am
PIT
-
SAN
Nonstop5h 13m
Multiple Airlines
Fri 9/48:17 pm
SAN
-
PIT
1 stop8h 52m
Multiple Airlines
Deal found 7/8$270
This Southwest deal was found by Cheapflights users on 7/7. 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 8/2812:50 pm
PIT
-
SAN
Nonstop4h 45m
Southwest
Mon 8/3111:05 am
SAN
-
PIT
Nonstop4h 40m
Southwest
Deal found 7/7$273
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Fri 8/146:18 am
PIT
-
SAN
1 stop6h 49m
American Airlines
Wed 8/1910:20 pm
SAN
-
PIT
1 stop8h 24m
American Airlines
Deal found 7/7$275
This Delta deal was found by Cheapflights users on 7/8. 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.
Wed 8/55:39 pm
PIT
-
SAN
1 stop9h 11m
Delta
Sat 8/1510:25 pm
SAN
-
PIT
1 stop7h 43m
Delta
Deal found 7/8$277
This Delta deal was found by Cheapflights users on 7/7. 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.
Fri 10/236:00 am
PIT
-
SAN
1 stop9h 40m
Delta
Thu 10/292:05 pm
SAN
-
PIT
1 stop7h 31m
Delta
Deal found 7/7$278
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/144:57 pm
PIT
-
SAN
1 stop6h 37m
United Airlines
Fri 8/2110:40 pm
SAN
-
PIT
1 stop8h 09m
United Airlines
Deal found 7/9$279
This United Airlines deal was found by Cheapflights users on 7/8. 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 8/254:57 pm
PIT
-
SAN
1 stop6h 37m
United Airlines
Sat 8/296:30 am
SAN
-
PIT
2 stops9h 41m
United Airlines
Deal found 7/8$282
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:30 am
LGA
-
SAN
1 stop7h 37m
American Airlines
Sat 8/296:45 am
SAN
-
LGA
1 stop8h 40m
American Airlines
Deal found 7/9$284

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 July 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$262
(Southwest)

One-way from

$108
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$489

Good round-trip deal

$308 or less

Good one-way deal

$153 or less
Provider with most accurate pricing for Philadelphia-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-San Diego flights.
Search Deals
From Pennsylvania to San Diego
Search Deals
One-way flight from Pennsylvania to San Diego
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Pennsylvania to San Diego.
Search Deals
Price to beat on a one-way flight from Pennsylvania to San Diego.
Search Deals

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 July 11, 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

PittsburghSan Diego

PIT - SAN

PITSAN

Pittsburgh

Wed 8/5

5:02 pm-9:24 pm

1 stop7h 22m

San Diego

Wed 8/12

2:15 pm-12:10 am

1 stop6h 55m

$277

PittsburghSan Diego

PIT - SAN

PITSAN

Pittsburgh

Fri 10/23

6:00 am-10:16 am

1 stop7h 16m

San Diego

Thu 10/29

2:05 pm-12:36 am

1 stop7h 31m

$278

PittsburghSan Diego

PIT - SAN

PITSAN

Pittsburgh

Fri 10/2

5:30 pm-11:52 pm

1 stop9h 22m

San Diego

Tue 10/6

10:05 pm-11:36 am

1 stop10h 31m

$278

PittsburghSan Diego

PIT - SAN

PITSAN

Pittsburgh

Fri 8/14

11:20 am-4:15 pm

1 stop7h 55m

San Diego

Fri 8/21

6:40 am-5:55 pm

1 stop8h 15m

$286

PittsburghSan Diego

PIT - SAN

PITSAN

Pittsburgh

Sun 9/6

7:15 pm-10:40 pm

1 stop6h 25m

San Diego

Thu 9/10

10:10 am-10:15 pm

2 stops9h 05m

$287

PittsburghSan Diego

PIT - SAN

PITSAN

Pittsburgh

Thu 8/6

7:25 pm-11:25 pm

1 stop7h 00m

San Diego

Mon 8/10

10:15 am-10:05 pm

2 stops8h 50m

$291

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Thu 9/10

8:29 pm-11:34 pm

Nonstop6h 05m

San Diego

Mon 9/14

9:59 pm-6:26 am

Nonstop5h 27m

$297

PittsburghSan Diego

PIT - SAN

PITSAN

Pittsburgh

Sat 9/26

10:50 am-6:05 pm

2 stops10h 15m

San Diego

Wed 9/30

11:10 am-9:25 pm

2 stops7h 15m

$297

PittsburghSan Diego

PIT - SAN

PITSAN

Pittsburgh

Sun 10/25

6:50 pm-11:39 pm

1 stop7h 49m

San Diego

Sat 10/31

7:00 am-9:26 pm

1 stop11h 26m

$311

PittsburghSan Diego

PIT - SAN

PITSAN

Pittsburgh

Mon 9/14

9:30 am-6:48 pm

1 stop12h 18m

San Diego

Tue 9/15

8:20 pm-8:27 am

1 stop9h 07m

$315

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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, July 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 June is currently the most expensive (average of $1,787). 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 July 11, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 30% on flights from Pennsylvania to San Diego by exploring options for tickets in the morning.

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 July 11, 2026.

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

How much does it cost to fly round-trip 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 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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?

    Flights from Pennsylvania to San Diego have been viewed 15 times in the past calendar month.

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

    Delta, Southwest, and Alaska Airlines can get you from Pennsylvania to San Diego in just under 5h 56m. Your travel time can differ by up to 1h 59m. 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 Frontier. According to our data, you can fly for as low as $79. Users have also found prices from $99 and $118 on Breeze Airways and United Airlines, 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 cheapest flights from Pennsylvania to San Diego?

    On average you can expect to pay $1,134 for a flight from Pennsylvania to San Diego. The cheapest flight overall is $299 while the most popular route, (Newark - San Diego) is currently priced at $297.

  • 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, July 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 June is currently the most expensive (average of $1,787). 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
National City
Chula Vista
Poway
La Mesa
Coronado
Santee
San Ysidro
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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Boston to Los Angeles flights
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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 July 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$128Average$295FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$138Average$416FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$141Average$263FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$168Average$404FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$230Average$495FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$248Average$466FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$255Average$439FlexibilityNo cancel feeOn-time63%

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