Philadelphia

$127+ Cheap flights from San Diego to Philadelphia (SAN - PHL)

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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — PHL
Apr 20 — Apr 271
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from San Diego to Philadelphia are usually found in September or April, booked 26 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from San Diego to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$218
(Frontier)

One-way from

$128
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$418

Good round-trip deal

$394 or less

Good one-way deal

$197 or less
Provider with most accurate pricing for San Diego-Philadelphia flight deals.
Provider most trusted by Cheapflights users for San Diego-Philadelphia flights.
From San Diego to Philadelphia
One-way flight from San Diego to Philadelphia
Highest demand for flights based on searches. 3% potential increase in price ($18 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 April 2025
Price to beat on a round-trip flight from San Diego to Philadelphia.
Price to beat on a one-way flight from San Diego to Philadelphia.

Find flight deals from San Diego to Philadelphia

Cheapest flights from San Diego to Philadelphia
Explore the most affordable flight options available from San Diego to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This Mytrip deal was found by Cheapflights users on 4/15. 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 6/118:08 amSAN - PHL
1 stop18h 07mSpirit Airlines
Sat 6/146:20 pmPHL - SAN
1 stop8h 09mSpirit Airlines
Deal found 4/15$218
This CheapOair deal was found by Cheapflights users on 4/14. 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.
Fri 5/1611:13 amSAN - PHL
1 stop10h 25mMultiple Airlines
Tue 5/206:00 amPHL - SAN
2 stops16h 53mMultiple Airlines
Deal found 4/14$265
This CheapOair deal was found by Cheapflights users on 4/14. 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.
Sun 4/278:50 pmSAN - PHL
1 stop21h 40mFrontier
Tue 4/296:45 pmPHL - SAN
1 stop8h 10mFrontier
Deal found 4/14$270
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:15 amSAN - PHL
1 stop7h 55mDelta
Wed 5/211:00 pmPHL - SAN
1 stop8h 08mDelta
Deal found 4/14$277
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1410:45 pmSAN - PHL
Nonstop5h 12mAmerican Airlines
Wed 5/213:49 pmPHL - SAN
Nonstop5h 40mAmerican Airlines
Deal found 4/14$323
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/106:33 amSAN - PHL
2 stops20h 11mAlaska Airlines
Wed 5/147:04 amPHL - SAN
1 stop12h 26mAlaska Airlines
Deal found 4/14$339
This United Airlines deal was found by Cheapflights users on 4/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/138:50 amSAN - PHL
2 stops9h 33mUnited Airlines
Tue 5/206:30 amPHL - SAN
2 stops9h 28mUnited Airlines
Deal found 4/14$350
This Southwest deal was found by Cheapflights users on 4/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/195:45 pmSAN - PHL
1 stop12h 40mSouthwest
Tue 6/2411:40 amPHL - SAN
2 stops9h 20mSouthwest
Deal found 4/14$394

Cheapflights Fare Finder

Customize your flight search to find flights from San Diego to Philadelphia 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 April 15, 2025.
Use the filters below to find and compare flights from San Diego to Philadelphia that are best for you.

Fly from

San Diego

Fly to

Philadelphia

Route

Depart

Return

Price

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Sun 5/4

6:25 am-9:15 pm

1 stop11h 50m

Philadelphia

Mon 5/19

6:54 pm-11:58 pm

1 stop8h 04m

$218

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Tue 5/6

6:15 am-4:22 pm

1 stop7h 07m

Philadelphia

Tue 5/20

7:45 am-7:13 am

2 stops26h 28m

$220

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Tue 4/29

6:25 am-6:47 am

1 stop21h 22m

Philadelphia

Sat 5/3

10:08 pm-7:34 am

1 stop12h 26m

$221

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Tue 5/13

8:25 pm-9:38 am

1 stop10h 13m

Philadelphia

Wed 5/21

6:00 am-1:49 pm

1 stop10h 49m

$273

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 5/14

6:20 am-6:03 pm

1 stop8h 43m

Philadelphia

Mon 5/19

5:30 am-9:53 am

1 stop7h 23m

$277

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 5/14

10:45 pm-6:57 am

Nonstop5h 12m

Philadelphia

Wed 5/21

3:49 pm-6:29 pm

Nonstop5h 40m

$323

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Sat 5/10

6:33 am-5:44 am

2 stops20h 11m

Philadelphia

Wed 5/14

7:04 am-4:30 pm

1 stop12h 26m

$339

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Tue 5/13

8:50 am-9:23 pm

2 stops9h 33m

Philadelphia

Tue 5/20

6:30 am-12:58 pm

2 stops9h 28m

$350

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Tue 5/6

10:10 am-10:10 pm

2 stops9h 00m

Philadelphia

Tue 5/20

8:05 am-5:50 pm

2 stops12h 45m

$359

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Thu 8/14

3:10 pm-5:32 am

1 stop11h 22m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 17 results
1
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Compare providers for flights from San Diego to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Philadelphia in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Philadelphia flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on San Diego-Philadelphia flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from San Diego-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Philadelphia flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Diego to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from San Diego 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 San Diego to Philadelphia

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

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Philadelphia. Price data was last updated on April 11, 2025.

Booking 26 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Diego to Philadelphia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from San Diego to Philadelphia (average of $236). Flying from San Diego to Philadelphia in March is currently the most expensive (average of $295). 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 SAN to PHL?

Find hourly flight availability from San Diego to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

It’s typically best to fly out from San Diego to Philadelphia in the afternoon. Doing so could potentially save you 61% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from San Diego to Philadelphia?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Philadelphia. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their San Diego to Philadelphia flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Diego to Philadelphia

Explore weekly flight availability from San Diego to Philadelphia. 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 April 15, 2025.

The most flights from SAN to PHL are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Philadelphia by month

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

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

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

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated April 15, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from San Diego to Philadelphia. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
8.0
Very good

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from San Diego to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from San Diego to Philadelphia?

    If you wish to fly to Philadelphia from San Diego, then you need to book flights from San Diego to Philadelphia. There are 7 flights from San Diego (SAN) to Philadelphia (PHL) per day to choose from. Flights to Philadelphia from San Diego are available from 6 different airlines, which means you should have some options if you want to compare airfare deals. 5h 12m is how long a nonstop flight from San Diego to Philadelphia typically takes.

  • How popular is this San Diego to Philadelphia flight route?

  • What are the cheapest airlines flying from San Diego to Philadelphia round-trip?

    According to our current data, Frontier ($218), Spirit Airlines ($220), and JetBlue ($273) offers the cheapest pricing from San Diego to Philadelphia. Users have found that Frontier is 52% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $128 on Spirit Airlines. Other airlines that offer cheap prices include Delta from $139 and Frontier from $151 one-way.

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

    The top 3 most reliable airlines when flying from San Diego to Philadelphia are American Airlines (82%), British Airways (81%) and Iberia (76%).

  • What are the cheapest flights from San Diego to Philadelphia?

    Looking at all options, your cheapest flight can be booked for $148. While the most popular route (San Diego - Philadelphia) can be booked for $136 on average our data indicates $1,141 when flying from San Diego to Philadelphia.

  • Where are the most common layover locations when flying from San Diego to Philadelphia?

  • What are some popular things to do or see while on a layover in Denver?

    Coors Field, Paramount Theatre, and 16th Street Mall are currently the most popular points of interest in Denver at the moment. Coors Field, Paramount Theatre and 16th Street Mall are located about 18.4 mi, 18.6 mi, and 18.7 mi, respectively from Denver Intl if you are interested in checking them out. Those landing in Denver looking to spend some time exploring during their layover can rent a car for about $43 per day.

  • Where are the least popular layover locations for San Diego to Philadelphia flights?

  • Can I find deals for flights from San Diego to Philadelphia that include hotel bookings?

    Yes. In addition to deals on San Diego to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Philadelphia.

  • Can I find deals for business class flights from San Diego to Philadelphia?

    Yes. Cheapflights offers flight deals from San Diego to Philadelphia 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 San Diego to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from San Diego to Philadelphia (average of $236). Flying from San Diego to Philadelphia in March is currently the most expensive (average of $295). 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
Vineland
Pottstown
Wildwood
King of Prussia
Reading
Cherry Hill
Exton
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Essington
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Willow Grove
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Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Diego to Philadelphia

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

Top 6 airlines flying from San Diego to Philadelphia

Discover the top 6 airlines that operate flights from San Diego to Philadelphia. 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$131Average$257FlexibilityNo cancel feeOn-time65%
FrontierCheapest$145Average$235FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$231Average$496FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$247Average$427FlexibilityNo cancel feeOn-time69%
DeltaCheapest$256Average$403FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$294Average$484FlexibilityNo cancel feeOn-time71%

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