Philadelphia

$162+ 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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — PHL
Jan 10 — Jan 171
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Philadelphia 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.

Cheapflights Tip: The best prices from San Diego to Philadelphia are usually found in October or August, booked 65 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap 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 December 11, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. 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 12/3110:48 pmSAN - PHL
Nonstop5h 07mAmerican Airlines
Wed 1/78:20 amPHL - SAN
Nonstop6h 12mAmerican Airlines
Deal found 12/10$356
This Delta deal was found by Cheapflights users on 12/10. 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 12/317:20 amSAN - PHL
1 stop7h 17mDelta
Wed 1/711:27 amPHL - SAN
2 stops12h 16mDelta
Deal found 12/10$358
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/181:06 pmSAN - PHL
1 stop13h 34mFrontier
Wed 1/77:12 pmPHL - SAN
2 stops31h 47mFrontier
Deal found 12/9$359
This Booking.com deal was found by Cheapflights users on 12/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:25 amSAN - PHL
1 stop20h 06mFrontier
Mon 12/225:01 pmPHL - SAN
1 stop9h 06mFrontier
Deal found 12/9$362
This Frontier deal was found by Cheapflights users on 12/11. 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.
Mon 12/294:47 pmSAN - PHL
1 stop9h 44mFrontier
Mon 1/55:01 pmPHL - SAN
1 stop9h 06mFrontier
Deal found 12/11$363
This Frontier deal was found by Cheapflights users on 12/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:47 pmSAN - PHL
1 stop9h 44mFrontier
Fri 1/25:01 pmPHL - SAN
1 stop8h 59mFrontier
Deal found 12/9$367
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Wed 12/241:06 pmSAN - PHL
2 stops37h 25mFrontier
Sat 1/38:36 pmPHL - SAN
1 stop30h 23mFrontier
Deal found 12/10$369
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/192:10 pmSAN - PHL
2 stops27h 46mFrontier
Mon 1/58:36 pmPHL - SAN
1 stop20h 58mFrontier
Deal found 12/10$371
This Super.com deal was found by Cheapflights users on 12/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:06 pmSAN - PHL
1 stop13h 34mFrontier
Mon 1/58:36 pmPHL - SAN
1 stop29h 40mFrontier
Deal found 12/9$372

Find 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 December 11, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$342
(United Airlines)

One-way from

$162
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$531

Good round-trip deal

$448 or less

Good one-way deal

$238 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. 9% potential increase in price ($44 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in December 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.

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 December 11, 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 5/12

6:35 am-6:05 pm

1 stop8h 30m

Philadelphia

Wed 5/27

6:20 am-1:45 pm

2 stops10h 25m

$346

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Sat 5/30

10:30 pm-9:50 am

1 stop8h 20m

Philadelphia

Wed 7/29

12:55 pm-7:00 pm

2 stops9h 05m

$346

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Tue 1/20

5:06 pm-6:03 pm

2 stops21h 57m

Philadelphia

Fri 1/23

7:06 pm-1:21 pm

2 stops21h 15m

$356

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 2/18

6:45 pm-8:50 am

2 stops11h 05m

Philadelphia

Wed 2/25

6:00 am-2:29 pm

2 stops11h 29m

$356

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Thu 1/29

6:55 pm-8:50 am

2 stops10h 55m

Philadelphia

Tue 2/3

6:55 am-12:55 pm

1 stop9h 00m

$358

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Tue 1/6

5:35 pm-8:50 am

2 stops12h 15m

Philadelphia

Tue 1/13

6:00 am-10:33 am

1 stop7h 33m

$368

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 12/31

7:20 am-5:37 pm

1 stop7h 17m

Philadelphia

Wed 1/7

11:27 am-8:43 pm

2 stops12h 16m

$368

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Tue 1/6

10:52 am-9:36 pm

1 stop7h 44m

Philadelphia

Tue 1/13

6:30 am-11:48 am

1 stop8h 18m

$371

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Fri 1/9

1:00 pm-11:30 pm

1 stop7h 30m

Philadelphia

Wed 1/14

6:30 am-11:48 am

1 stop8h 18m

$378

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 1/21

4:01 pm-6:03 pm

1 stop23h 02m

Philadelphia

Mon 1/26

7:06 pm-10:07 am

1 stop18h 01m

$382

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 22 results
1
2
3

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Philadelphia flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 5, 2025.

Booking 65 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, June is the cheapest month in which you can book a flight from San Diego to Philadelphia (average of $78). Flying from San Diego to Philadelphia in November is currently the most expensive (average of $157). 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 December 11, 2025.

It’s typically best to fly out from San Diego to Philadelphia in the afternoon. Doing so could potentially save you 53% 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 December 6, 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.

The best insider tips for San Diego to Philadelphia flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Diego to Philadelphia trip
Airports
SAN

Plan to arrive at SAN at least two hours before your flight to avoid stress from potential traffic congestion.

PHL

Use SEPTA for a quick trip to Center City Philadelphia from PHL. Stations are conveniently located near arrival gates.

Our travel experts
Blane Bachelor

Blane Bachelor

Expert on SAN

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Mark Chesnut

Mark Chesnut

Expert on PHL

Mark Chesnut

Mark Chesnut

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Read more

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 December 11, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and American Airlines from San Diego to Philadelphia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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 8 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. 4h 59m is how long a nonstop flight from San Diego to Philadelphia typically takes.

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

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

    Airlines like Southwest, Alaska Airlines, and Delta fly from San Diego to Philadelphia in about 8h 30m. The time it takes to get you to your destination can typically vary by up to 13h 27m. The distance between San Diego and Philadelphia is about 2364 mi. This flight may include one or multiple stops.

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

    According to our current data, Spirit Airlines ($83), Delta ($138), and Frontier ($150) offers the cheapest pricing from San Diego to Philadelphia. Users have found that Spirit Airlines is 80% 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 $62 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $65 and JetBlue from $126 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 Iberia (93%), American Airlines (93%) and British Airways (92%).

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

    Looking at all options, your cheapest flight can be booked for $175. While the most popular route (San Diego - Philadelphia) can be booked for $252 on average, our data indicates $764 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, 16th Street Mall, and Paramount Theatre are currently the most popular points of interest in Denver at the moment. Coors Field, 16th Street Mall and Paramount Theatre are located about 18.4 mi, 18.7 mi, and 18.6 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 $42 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, June is the cheapest month in which you can book a flight from San Diego to Philadelphia (average of $78). Flying from San Diego to Philadelphia in November is currently the most expensive (average of $157). 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 Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Pottstown
King of Prussia
Reading
Ocean City
Cherry Hill
Lewes
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Newark
Millville
Chester

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 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 December 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$98Average$243FlexibilityNo cancel feeOn-time65%
DeltaCheapest$138Average$342FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$150Average$240FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$198Average$368FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$313Average$458FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$341Average$480FlexibilityNo 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.