$103 Cheap Flights from San Diego (SAN) to Philadelphia (PHL)

View $103 flight on Thu, Sep 25, 2025Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to Philadelphia Intl. Airport (PHL)

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Today's featured flight deals from San Diego Intl. Airport (SAN) to Philadelphia Intl. Airport (PHL)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from San Diego to Philadelphia (SAN-PHL)

Prices were available within the past 7 days and start at $103 for one-way flights and $200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Wed, Sep 24 - Sun, Sep 28
SAN
San Diego
PHL
Philadelphia
$200 Roundtrip, found 1 day ago
$200
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Wed, Sep 24 from San Diego to Philadelphia, returning Sun, Sep 28, priced at $200 found 1 day ago
Frontier Airlines
Fri, Nov 7 - Sat, Nov 8
SAN
San Diego
PHL
Philadelphia
$201 Roundtrip, found 9 hours ago
$201
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Fri, Nov 7 from San Diego to Philadelphia, returning Sat, Nov 8, priced at $201 found 9 hours ago
Frontier Airlines
Wed, Oct 29 - Sun, Nov 2
SAN
San Diego
PHL
Philadelphia
$202 Roundtrip, found 3 hours ago
$202
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Wed, Oct 29 from San Diego to Philadelphia, returning Sun, Nov 2, priced at $202 found 3 hours ago
Frontier Airlines
Wed, Sep 24 - Mon, Sep 29
SAN
San Diego
PHL
Philadelphia
$203 Roundtrip, found 1 hour ago
$203
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Sep 24 from San Diego to Philadelphia, returning Mon, Sep 29, priced at $203 found 1 hour ago
Frontier Airlines
Thu, Sep 25 - Sun, Sep 28
SAN
San Diego
PHL
Philadelphia
$206 Roundtrip, just found
$206
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Sep 25 from San Diego to Philadelphia, returning Sun, Sep 28, priced at $206 just found
Spirit Airlines
Wed, Sep 24 - Fri, Oct 3
SAN
San Diego
PHL
Philadelphia
$208 Roundtrip, found 15 hours ago
$208
Roundtrip
found 15 hours ago
Select Spirit Airlines flight, departing Wed, Sep 24 from San Diego to Philadelphia, returning Fri, Oct 3, priced at $208 found 15 hours ago
Frontier Airlines
Thu, Sep 25 - Mon, Sep 29
SAN
San Diego
PHL
Philadelphia
$214 Roundtrip, found 2 hours ago
$214
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Sep 25 from San Diego to Philadelphia, returning Mon, Sep 29, priced at $214 found 2 hours ago
American Airlines
Tue, Sep 30 - Wed, Oct 1
SAN
San Diego
PHL
Philadelphia
$267 Roundtrip, found 2 hours ago
$267
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Tue, Sep 30 from San Diego to Philadelphia, returning Wed, Oct 1, priced at $267 found 2 hours ago
Southwest Airlines
Tue, Sep 30 - Wed, Oct 1
SAN
San Diego
PHL
Philadelphia
$287 Roundtrip, found 2 hours ago
$287
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Tue, Sep 30 from San Diego to Philadelphia, returning Wed, Oct 1, priced at $287 found 2 hours ago
Delta
Tue, Sep 30 - Wed, Oct 1
SAN
San Diego
PHL
Philadelphia
$287 Roundtrip, found 2 hours ago
$287
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Sep 30 from San Diego to Philadelphia, returning Wed, Oct 1, priced at $287 found 2 hours ago

Find the cheapest month to fly from San Diego (SAN) to Philadelphia (PHL)

March is typically the cheapest month to fly

From $123 - $484 per traveler.

Graph displaying average flight prices per month

Alternative airports near Philadelphia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to New Castle ILG. Average driving time to city center is 44 minutes. Flights from $518
ILG
New Castle
Average driving time to city center44 min
Flights from $518
Flights from San Diego (SAN) to Philadelphia (PHL)
Origin airport
San Diego Intl.
Destination airport
Philadelphia Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$200
Distance
2365 mi
Average flight time
8 hours 23 mins

San Diego to Philadelphia Flights

The cheapest times to fly from San Diego to Philadelphia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Diego to Philadelphia are during the month of September. You can find some of the cheapest flights from San Diego to Philadelphia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Diego to Philadelphia

Sunday is one of the best days to book for cheap flights from San Diego to Philadelphia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Diego to Philadelphia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Diego to Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $103 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Diego to Philadelphia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Diego to Philadelphia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to Philadelphia Intl. Airport (PHL) cost?
Lock in a cheap one-way flight from $103 or cheap return flight from $200 from San Diego Intl. Airport (SAN) to Philadelphia Intl. Airport (PHL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from San Diego Intl. Airport (SAN) to Philadelphia Intl. Airport (PHL)?
The cheapest month to fly from SAN to PHL is September, when demand is low. Off-peak season is typically when you'll find cheap fares for travel between these airports.
Which airlines fly direct from San Diego Intl. Airport (SAN) to Philadelphia Intl. Airport (PHL)?
When heading out of San Diego Intl. Airport (SAN), you can get on a nonstop flight to Philadelphia Intl. Airport (PHL) with American Airlines.
What is the cheapest airline that flies from San Diego Intl. Airport (SAN) to Philadelphia Intl. Airport (PHL)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from SAN to PHL. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from San Diego Intl. Airport (SAN) to Philadelphia Intl. Airport (PHL)?
Every day, an average of 2 nonstop flights operate from San Diego Intl. Airport (SAN) to Philadelphia Intl. Airport (PHL). Choose the departure that fits your schedule best.
What are the most popular departure times for flights from San Diego Intl. Airport (SAN) to Philadelphia Intl. Airport (PHL)?
The 10 PM departures from SAN to PHL are the most sought after. They can also be more expensive. If you want to save on your trip, choose a less crowded time to fly.
What day of the week has the most flights from SAN to PHL?
Travel on a Sunday if you're searching for the best choice of flights from San Diego Intl. Airport (SAN) to Philadelphia Intl. Airport (PHL).
What is the earliest flight from San Diego Intl. Airport (SAN) to Philadelphia Intl. Airport (PHL)?
Take the earliest flight at around 7:00AM UTC-8, leaving from San Diego Intl. Airport (SAN). You'll be in the air for approximately 5h 7m, reaching Philadelphia Intl. Airport (PHL) at approximately 3:07PM UTC-5.
How long does it take to fly from San Diego Intl. Airport (SAN) to Philadelphia Intl. Airport (PHL)?
Flights from SAN to PHL have an average travel time of 5 hours. The distance between the two airports is 2,400 mi.
What airline has the least delays from SAN to PHL?
American Airlines has the best performance for on-time direct flights from San Diego Intl. Airport (SAN) to Philadelphia Intl. Airport (PHL), with an on-time score of 89%. Use the Expedia App to see your flight schedule before you head off and receive notifications about any trip changes.
What is the best time to fly from San Diego Intl. Airport (SAN) to Philadelphia Intl. Airport (PHL)?
To land at Philadelphia Intl. Airport (PHL) on schedule, select a flight that takes off from San Diego Intl. Airport (SAN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Philadelphia from San Diego Intl. Airport (SAN)?
If you're on a direct flight from San Diego Intl. Airport (SAN) to Philadelphia, Philadelphia Intl. Airport (PHL) is the only airport you can land at.
Is it cheaper to buy a plane ticket from San Diego Intl. Airport (SAN) to Philadelphia Intl. Airport (PHL) last-minute?
Booking your flight from SAN to PHL right before your trip is generally more expensive. However, if you're flexible with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a SAN to PHL flight and hotel package?
You can save money by securing a SAN to PHL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected your preferred flights and accommodations, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Philadelphia Intl. Airport (PHL)?
You can usually cancel or reschedule your SAN to PHL flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.