Philadelphia

$98+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — PHL
Jul 5 — Jul 121
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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

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Cheapflights Tip: The best prices from San Diego to Philadelphia are usually found in October or September, booked 21 days in advance, depart on a Wednesday or Thursday 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 June 5, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 6/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:25 am
SAN
-
PHL
1 stop20h 12m
Frontier
Sun 6/76:10 am
PHL
-
SAN
1 stop15h 20m
Frontier
Deal found 6/4$393
This Frontier deal was found by Cheapflights users on 6/4. 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.
Fri 7/36:25 am
SAN
-
PHL
1 stop20h 13m
Frontier
Sat 7/1111:06 am
PHL
-
SAN
1 stop12h 00m
Frontier
Deal found 6/4$394
This CheapOair deal was found by Cheapflights users on 6/3. 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.
Sat 8/299:37 am
SAN
-
PHL
1 stop23h 10m
Multiple Airlines
Thu 9/38:28 am
PHL
-
SAN
2 stops13h 32m
Multiple Airlines
Deal found 6/3$395
This Frontier deal was found by Cheapflights users on 6/2. 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 6/46:25 am
SAN
-
PHL
1 stop12h 49m
Frontier
Fri 6/1211:35 am
PHL
-
SAN
1 stop10h 15m
Frontier
Deal found 6/2$396
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 7/19:46 am
SAN
-
PHL
1 stop17h 41m
Frontier
Sun 7/58:37 pm
PHL
-
SAN
2 stops21h 50m
Frontier
Deal found 6/2$397
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Sun 7/56:25 am
SAN
-
PHL
1 stop20h 14m
Multiple Airlines
Sun 7/129:03 pm
PHL
-
SAN
2 stops44h 05m
Multiple Airlines
Deal found 6/4$399
This CheapOair deal was found by Cheapflights users on 5/31. 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 8/610:00 am
SAN
-
PHL
1 stop22h 49m
Frontier
Mon 8/108:37 pm
PHL
-
SAN
1 stop30h 14m
Frontier
Deal found 5/31$400
This CheapOair deal was found by Cheapflights users on 6/4. 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 6/286:25 am
SAN
-
PHL
1 stop26h 22m
Frontier
Fri 7/38:37 pm
PHL
-
SAN
1 stop30h 16m
Frontier
Deal found 6/4$402
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Tue 7/284:12 pm
SAN
-
PHL
2 stops20h 17m
Frontier
Mon 8/38:37 pm
PHL
-
SAN
1 stop15h 28m
Frontier
Deal found 6/2$403
This CheapOair deal was found by Cheapflights users on 6/2. 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.
Wed 6/36:25 am
SAN
-
PHL
1 stop20h 12m
Frontier
Fri 6/58:35 pm
PHL
-
SAN
1 stop30h 15m
Frontier
Deal found 6/2$404
This Cheapflightsfares deal was found by Cheapflights users on 5/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/139:37 am
SAN
-
PHL
1 stop23h 10m
Frontier
Sun 6/2111:00 am
PHL
-
SAN
1 stop24h 48m
Frontier
Deal found 5/31$405

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 June 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$393
(Cheapflightsfares)

One-way from

$98
(Kiwi.com)

Popular in

April

Cheapest in

October

Average price

$463

Good round-trip deal

$477 or less

Good one-way deal

$228 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. 8% potential increase in price ($41 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 June 2026
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 June 5, 2026.
Use the filters below to find and compare flights from San Diego to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 9/2

11:55 am-9:45 pm

1 stop6h 50m

Philadelphia

Tue 10/6

8:00 am-12:45 pm

1 stop7h 45m

$411

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 7/29

10:30 pm-9:31 am

1 stop8h 01m

Philadelphia

Tue 8/4

6:15 am-11:07 am

1 stop7h 52m

$431

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Fri 9/11

9:00 am-9:40 pm

2 stops9h 40m

Philadelphia

Wed 9/16

7:55 am-12:15 pm

1 stop7h 20m

$449

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 8/12

12:20 pm-11:50 pm

2 stops8h 30m

Philadelphia

Wed 8/19

6:00 am-12:05 pm

2 stops9h 05m

$454

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Thu 7/16

12:55 pm-12:45 am

2 stops8h 50m

Philadelphia

Tue 7/21

4:35 pm-10:55 pm

2 stops9h 20m

$454

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 7/29

12:10 pm-1:05 am

2 stops9h 55m

Philadelphia

Mon 8/3

5:00 am-11:15 am

2 stops9h 15m

$454

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Fri 9/11

8:59 pm-3:45 pm

2 stops15h 46m

Philadelphia

Mon 9/14

6:08 pm-11:45 am

1 stop20h 37m

$465

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Mon 9/14

10:10 am-10:15 pm

2 stops9h 05m

Philadelphia

Sun 9/20

6:20 am-12:40 pm

2 stops9h 20m

$472

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Sat 11/21

11:40 am-11:40 pm

1 stop9h 00m

Philadelphia

Mon 11/23

1:00 pm-6:27 pm

1 stop8h 27m

$483

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Thu 7/23

6:35 am-7:45 pm

2 stops10h 10m

Philadelphia

Fri 7/24

5:00 am-11:20 am

2 stops9h 20m

$487

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/4

Showing 1-10 of 22 resultsSorted by cheapest first
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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
eDreamsPrice Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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?

Booking 20 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, October is the cheapest month in which you can book a flight from San Diego to Philadelphia (average of $375). Flying from San Diego to Philadelphia in April is currently the most expensive (average of $505). 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 June 5, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Diego to Philadelphia as you normally would.

How much does it cost to fly round-trip from San Diego to Philadelphia?

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
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on SAN

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.

Mark Chesnut

Mark Chesnut

Expert on PHL

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.

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 June 5, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited 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.

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

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.

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

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.

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

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.

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

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.

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

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.

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

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 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 18m 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 and Delta fly from San Diego to Philadelphia in about 6h 50m. The time it takes to get you to your destination can typically vary by up to 1h 11m. 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, Delta ($138), Frontier ($176), and United Airlines ($208) offers the cheapest pricing from San Diego to Philadelphia. Users have found that Delta is 69% 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 $72 on Frontier. Other airlines that offer cheap prices include JetBlue from $132 and Delta from $138 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 (91%), Iberia (90%) and British Airways (89%).

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

    Looking at all options, your cheapest flight can be booked for $174. While the most popular route (San Diego - Philadelphia) can be booked for $262 on average, our data indicates $1,193 when flying from San Diego to Philadelphia.

  • 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, October is the cheapest month in which you can book a flight from San Diego to Philadelphia (average of $375). Flying from San Diego to Philadelphia in April is currently the most expensive (average of $505). 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
King of Prussia
Reading
Camden
Ocean City
Cherry Hill
Lewes
Dewey Beach
Pottstown
Ephrata
Milford
Plymouth Meeting
Wildwood Crest
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Vineland

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 June 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$138Average$430FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$176Average$262FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$208Average$510FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$288Average$476FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$298Average$423FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$323Average$473FlexibilityNo cancel feeOn-time71%

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