San Diego

$77+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SAN
Apr 2 — Apr 91
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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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$213
(Mytrip)

One-way from

$77
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$430

Good round-trip deal

$204 or less

Good one-way deal

$195 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
High demand for flights, 1% potential price rise
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in March 2025
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.

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 March 28, 2025.

This Mytrip deal was found by Cheapflights users on 3/27. 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.
Wed 4/306:30 amLGA - SAN
3 stops28h 04mSpirit Airlines
Sat 5/36:15 amSAN - LGA
2 stops25h 46mSpirit Airlines
Deal found 3/27$213
This CheapOair deal was found by Cheapflights users on 3/27. 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.
Mon 4/2810:08 pmPHL - SAN
1 stop24h 46mSpirit Airlines
Sat 5/36:15 amSAN - PHL
1 stop20h 37mSpirit Airlines
Deal found 3/27$214
This Orbitz deal was found by Cheapflights users on 3/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2410:50 pmLGA - SAN
1 stop13h 47mMultiple Airlines
Tue 4/299:08 pmSAN - LGA
2 stops10h 53mMultiple Airlines
Deal found 3/27$218
This CheapOair deal was found by Cheapflights users on 3/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2410:08 pmPHL - SAN
1 stop15h 17mMultiple Airlines
Mon 4/2810:44 amSAN - PHL
1 stop10h 46mMultiple Airlines
Deal found 3/28$227
This Frontier deal was found by Cheapflights users on 3/27. 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 4/2410:50 pmLGA - SAN
1 stop13h 47mFrontier
Fri 5/211:03 amSAN - LGA
1 stop7h 57mFrontier
Deal found 3/27$238
This CheapOair deal was found by Cheapflights users on 3/27. 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.
Mon 5/56:59 amJFK - SAN
1 stop19h 59mFrontier
Fri 5/96:25 amSAN - JFK
1 stop20h 05mFrontier
Deal found 3/27$240
This United Airlines deal was found by Cheapflights users on 3/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2212:55 pmIAD - SAN
1 stop9h 01mUnited Airlines
Sat 4/266:15 amSAN - IAD
1 stop7h 11mUnited Airlines
Deal found 3/28$252
This Southwest deal was found by Cheapflights users on 3/27. 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.
Wed 4/235:40 pmDCA - SAN
1 stop7h 20mSouthwest
Wed 4/301:35 pmSAN - DCA
1 stop6h 35mSouthwest
Deal found 3/27$252
This JetBlue Airways deal was found by Cheapflights users on 3/28. 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 Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/296:00 amPHL - SAN
1 stop9h 13mJetBlue
Sun 6/18:25 pmSAN - PHL
1 stop10h 13mJetBlue
Deal found 3/28$253
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Tue 4/2210:00 amIAD - SAN
1 stop9h 30mAlaska Airlines
Tue 4/227:45 pmSAN - IAD
1 stop18h 37mAlaska Airlines
Deal found 3/27$256
This Trip.com deal was found by Cheapflights users on 3/27. 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 4/58:00 amPHL - SAN
1 stop14h 16mFrontier
Wed 4/912:19 pmSAN - PHL
2 stops15h 28mFrontier
Deal found 3/27$256
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Sat 5/33:17 pmDCA - SAN
1 stop9h 19mUnited Airlines
Sat 5/179:25 pmSAN - DCA
1 stop8h 34mUnited Airlines
Deal found 3/26$257

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 March 28, 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

LGA - SAN

LGASAN

New York LaGuardia

Wed 4/30

6:30 am-7:34 am

3 stops28h 04m

San Diego

Sat 5/3

6:15 am-11:01 am

2 stops25h 46m

$213

PhiladelphiaSan Diego

PHL - SAN

PHLSAN

Philadelphia

Mon 4/28

10:08 pm-7:54 pm

1 stop24h 46m

San Diego

Sat 5/3

6:15 am-5:52 am

1 stop20h 37m

$214

New YorkSan Diego

LGA - SAN

LGASAN

New York LaGuardia

Thu 4/24

10:50 pm-9:37 am

1 stop13h 47m

San Diego

Tue 4/29

9:08 pm-11:01 am

2 stops10h 53m

$218

PhiladelphiaSan Diego

PHL - SAN

PHLSAN

Philadelphia

Thu 4/24

10:08 pm-10:25 am

1 stop15h 17m

San Diego

Mon 4/28

10:44 am-12:30 am

1 stop10h 46m

$227

New YorkSan Diego

LGA - SAN

LGASAN

New York LaGuardia

Thu 4/24

10:50 pm-9:37 am

1 stop13h 47m

San Diego

Fri 5/2

11:03 am-10:00 pm

1 stop7h 57m

$238

New YorkSan Diego

JFK - SAN

JFKSAN

New York John F Kennedy Intl

Mon 5/5

6:59 am-11:58 pm

1 stop19h 59m

San Diego

Fri 5/9

6:25 am-5:30 am

1 stop20h 05m

$240

HarrisburgSan Diego

MDT - SAN

MDTSAN

Harrisburg

Sat 5/24

11:52 am-6:29 pm

1 stop9h 37m

San Diego

Sat 5/31

6:28 am-7:33 pm

1 stop10h 05m

$249

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

Tue 4/22

12:55 pm-6:56 pm

1 stop9h 01m

San Diego

Sat 4/26

6:15 am-4:26 pm

1 stop7h 11m

$252

Washington, D.C.San Diego

DCA - SAN

DCASAN

Washington, D.C. Reagan-National

Wed 4/23

5:40 pm-10:00 pm

1 stop7h 20m

San Diego

Wed 4/30

1:35 pm-11:10 pm

1 stop6h 35m

$252

PhiladelphiaSan Diego

PHL - SAN

PHLSAN

Philadelphia

Thu 5/29

6:00 am-12:13 pm

1 stop9h 13m

San Diego

Sun 6/1

8:25 pm-9:38 am

1 stop10h 13m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 March 28, 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 March 28, 2025.

The most flights from USPA to SAN are scheduled on a Thursday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated March 28, 2025.
Read through reviews of airlines operating flights from Pennsylvania to San Diego, such as Breeze Airways, Southwest and Alaska Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

6.6

Overall

8.1

Comfort

8.2

Food

6.7

Boarding

8.3

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Entertainment

6.6

Overall

8.1

Comfort

8.2

Food

6.7

Boarding

8.3

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Entertainment

6.6

Overall

8.1

Comfort

8.2

Food

6.7

Boarding

8.3

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Entertainment

6.6

Overall

8.1

Comfort

8.2

Food

6.7

Boarding

8.3

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
8.0
Very good

Entertainment

6.6

Overall

8.1

Comfort

8.2

Food

6.7

Boarding

8.3

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Entertainment

6.6

Overall

8.1

Comfort

8.2

Food

6.7

Boarding

8.3

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

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.

  • 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 $77. Users have also found prices from $107 and $111 on United Airlines 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 American Airlines (81%), Qatar Airways (79%) or British Airways (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 $750 for a flight from Pennsylvania to San Diego. The cheapest flight overall is $155 while the most popular route, (New York John F Kennedy Intl - San Diego) is currently priced at $277.

  • 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 Pennsylvania?

Book flights to Pennsylvania if you plan to visit one of these locations
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

Browse thousands of different options on Cheapflights for your next trip

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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.

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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$96Average$200FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$140Average$266FlexibilityNo cancel feeOn-time65%
Breeze AirwaysCheapest$155Average$267FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$158Average$473FlexibilityNo cancel feeOn-time71%
DeltaCheapest$197Average$396FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$223Average$447FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$292Average$478FlexibilityNo cancel feeOn-time63%
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