Cheap Flights from San Diego (SDM) to Philadelphia (PHL)

Popular airlines from San Diego, CA (SDM-Brown Field Municipal) to Philadelphia Intl. Airport (PHL)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Frequently asked questions

How much does a flight from San Diego, CA (SDM-Brown Field Municipal) to Philadelphia Intl. Airport (PHL) cost?
Secure a cheap one-way flight or cheap return flight from San Diego, CA (SDM-Brown Field Municipal) to Philadelphia Intl. Airport (PHL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from San Diego, CA (SDM-Brown Field Municipal) to Philadelphia Intl. Airport (PHL)?
The cheapest month to fly from SDM to PHL is , when demand is low. Off-peak months are often when better flight deals are available between these airports.
Which airlines fly direct from San Diego, CA (SDM-Brown Field Municipal) to Philadelphia Intl. Airport (PHL)?
You can't take a direct flight from San Diego, CA (SDM-Brown Field Municipal) to Philadelphia Intl. Airport (PHL). However, you can easily travel to Philadelphia without any layovers by leaving from San Diego Intl. Airport (SAN).
What is the cheapest airline that flies from San Diego, CA (SDM-Brown Field Municipal) to Philadelphia Intl. Airport (PHL)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SDM to PHL flight.
How many flights per day from San Diego, CA (SDM-Brown Field Municipal) to Philadelphia Intl. Airport (PHL)?
Nonstop flights from San Diego, CA (SDM-Brown Field Municipal) to Philadelphia Intl. Airport (PHL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SDM to PHL?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can vary based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Diego, CA (SDM-Brown Field Municipal) to Philadelphia Intl. Airport (PHL)?
Opt for a flight from San Diego, CA (SDM-Brown Field Municipal) to Philadelphia Intl. Airport (PHL) that leaves before 3 PM to reduce the risk of cancellations. Departures after this time are on average 22% more likely to be canceled.**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.
Is it cheaper to buy a plane ticket from San Diego, CA (SDM-Brown Field Municipal) to Philadelphia Intl. Airport (PHL) last-minute?
Waiting until just before your departure to book a ticket from SDM to PHL generally means paying more. While you might find some last-minute discounts, they aren't always guaranteed. Be flexible with your itinerary to maximize your chances of getting a bargain.
Is it cheaper to book a SDM to PHL flight and hotel package?
You'll typically save money by securing a SDM 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 simple to manage it all in one convenient place. Once you've chosen your ideal flights and accommodations, you can add extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from San Diego, CA (SDM-Brown Field Municipal) to Philadelphia Intl. Airport (PHL)?
If you reserved your SDM to PHL flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Brown Field Municipal
Destination airport
Philadelphia Intl.
Distance
2358 mi

Book with confidence

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 . 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 2026. You can also book with separate airlines for your outbound and return journeys, from 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.

 

San Diego to Philadelphia Flights

Explore a world of travel with Expedia

*Available to One Key members.