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$114+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — PHL
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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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 Tuesday 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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$238
(Mytrip)

One-way from

$114
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$498

Good round-trip deal

$412 or less

Good one-way deal

$215 or less
Provider with most accurate pricing for San Diego-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for San Diego-Philadelphia flights.
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From San Diego to Philadelphia
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One-way flight from San Diego to Philadelphia
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from San Diego to Philadelphia.
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Price to beat on a one-way flight from San Diego to Philadelphia.
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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 March 26, 2025.

This Mytrip deal was found by Cheapflights users on 3/25. 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.
Tue 4/156:15 amSAN - PHL
1 stop20h 37mSpirit Airlines
Sun 4/2010:08 pmPHL - SAN
2 stops20h 11mSpirit Airlines
Deal found 3/25$238
This Mytrip deal was found by Cheapflights users on 3/24. 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.
Fri 4/186:25 amSAN - PHL
1 stop20h 06mMultiple Airlines
Wed 4/2310:08 pmPHL - SAN
1 stop15h 17mMultiple Airlines
Deal found 3/24$247
This Frontier deal was found by Cheapflights users on 3/25. 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.
Wed 4/26:25 amSAN - PHL
1 stop7h 33mFrontier
Mon 4/76:03 pmPHL - SAN
1 stop9h 11mFrontier
Deal found 3/25$278
This JetBlue deal was found by Cheapflights users on 3/25. 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 4/308:30 pmSAN - PHL
1 stop10h 11mJetBlue
Sun 5/46:00 amPHL - SAN
1 stop8h 40mJetBlue
Deal found 3/25$285
This Delta deal was found by Cheapflights users on 3/25. 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.
Sat 4/267:10 amSAN - PHL
1 stop7h 14mDelta
Tue 5/68:05 amPHL - SAN
1 stop8h 11mDelta
Deal found 3/25$287
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3110:45 pmSAN - PHL
Nonstop5h 12mAmerican Airlines
Wed 8/206:30 pmPHL - SAN
Nonstop5h 26mAmerican Airlines
Deal found 3/26$317
This Southwest deal was found by Cheapflights users on 3/25. 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 6/125:45 pmSAN - PHL
1 stop12h 40mSouthwest
Mon 6/237:10 pmPHL - SAN
1 stop7h 15mSouthwest
Deal found 3/25$422

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 March 26, 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

Tue 4/15

6:15 am-5:52 am

1 stop20h 37m

Philadelphia

Sun 4/20

10:08 pm-3:19 pm

2 stops20h 11m

$238

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Fri 4/18

6:25 am-5:31 am

1 stop20h 06m

Philadelphia

Wed 4/23

10:08 pm-10:25 am

1 stop15h 17m

$247

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 4/2

6:25 am-4:58 pm

1 stop7h 33m

Philadelphia

Mon 4/7

6:03 pm-12:14 am

1 stop9h 11m

$278

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 4/30

8:30 pm-9:41 am

1 stop10h 11m

Philadelphia

Sun 5/4

6:00 am-11:40 am

1 stop8h 40m

$285

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Sat 4/26

7:10 am-5:24 pm

1 stop7h 14m

Philadelphia

Tue 4/29

6:00 am-11:00 am

1 stop8h 00m

$287

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Sat 5/31

10:45 pm-6:57 am

Nonstop5h 12m

Philadelphia

Wed 8/20

6:30 pm-8:56 pm

Nonstop5h 26m

$317

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Thu 6/12

5:45 pm-9:25 am

1 stop12h 40m

Philadelphia

Mon 6/23

7:10 pm-11:25 pm

1 stop7h 15m

$422

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Sat 5/31

9:45 pm-9:39 am

1 stop8h 54m

Philadelphia

Wed 8/20

10:15 am-7:46 pm

2 stops12h 31m

$442

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Thu 5/29

8:08 am-6:20 am

2 stops19h 12m

$114

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Tue 4/1

6:15 am-6:47 am

1 stop21h 32m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 16 results
1
2

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
MytripPrice Accuracy3 starsTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Philadelphia flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 21, 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 March 26, 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 23, 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.

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 March 26, 2025.
Read reviews from past customers who have flown Southwest, Delta and United Airlines from San Diego to Philadelphia. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,891 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,608 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
JetBlue
7.3
Good
2,922 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 5 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 07m is how long a nonstop flight from San Diego to Philadelphia typically takes.

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

    Within the past month, 15 users have taken a look at flights from San Diego to Philadelphia.

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

    According to our current data, Spirit Airlines ($238), Frontier ($278), and JetBlue ($285) offers the cheapest pricing from San Diego to Philadelphia. Users have found that Spirit Airlines is 48% 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 $114 on Spirit Airlines. Other airlines that offer cheap prices include JetBlue from $137 and Frontier from $139 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 British Airways (88%), American Airlines (88%) and Iberia (87%).

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

    Looking at all options, your cheapest flight can be booked for $149. While the most popular route (San Diego - Philadelphia) can be booked for $134 on average our data indicates $1,833 when flying from San Diego to Philadelphia.

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

    San Diego to Philadelphia flights have a layover in Denver most often.

  • 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 $56 per day.

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

    Flights departing from San Diego and landing in Philadelphia layover in Las Vegas least frequently.

  • 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
King of Prussia
Vineland
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Reading
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Exton
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Essington
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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.
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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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$131Average$266FlexibilityNo cancel feeOn-time65%
FrontierCheapest$142Average$225FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$223Average$404FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$231Average$495FlexibilityNo cancel feeOn-time63%
DeltaCheapest$256Average$406FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$296Average$487FlexibilityNo cancel feeOn-time71%
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