Cheap Flights from San Carlos (SQL) to Philadelphia (PHL)

Popular airlines from San Carlos, CA (SQL) to Philadelphia Intl. Airport (PHL)

Frequently asked questions

How much does a flight from San Carlos Airport (SQL) to Philadelphia Intl. Airport (PHL) cost?
Snag a cheap one-way flight or cheap return flight from San Carlos Airport (SQL) to Philadelphia Intl. Airport (PHL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from San Carlos Airport (SQL) to Philadelphia Intl. Airport (PHL)?
Planning your trip for may help you find better deals, as it's the cheapest month for flights between SQL and PHL. You'll often find the lowest fares during off-peak months.
Which airlines fly direct from San Carlos Airport (SQL) to Philadelphia Intl. Airport (PHL)?
You can't catch a direct flight from San Carlos, CA (SQL) to Philadelphia Intl. Airport (PHL). However, you can easily journey to Philadelphia without any layovers by taking off from San Francisco Intl. Airport (SFO).
What is the cheapest airline that flies from San Carlos Airport (SQL) to Philadelphia Intl. Airport (PHL)?
To find the cheapest airline that'll fly you from SQL to PHL, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from San Carlos Airport (SQL) to Philadelphia Intl. Airport (PHL)?
Nonstop flights from San Carlos Airport (SQL) to Philadelphia Intl. Airport (PHL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SQL to PHL?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on various factors, including the carrier and season.*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 Carlos Airport (SQL) to Philadelphia Intl. Airport (PHL)?
Opt for a flight from San Carlos Airport (SQL) to Philadelphia Intl. Airport (PHL) that leaves before 3 PM to reduce the risk of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**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 Carlos Airport (SQL) to Philadelphia Intl. Airport (PHL) last-minute?
Holding off until right before your break to book a flight from SQL to PHL often results in higher prices. While you may find some last-minute deals, they're not always guaranteed. Be flexible with your itinerary for a better chance of scoring a bargain.
Is it cheaper to book a SQL to PHL flight and hotel package?
Booking a SQL to PHL flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our extensive range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Carlos Airport (SQL) to Philadelphia Intl. Airport (PHL)?
In most instances, you can cancel or modify your SQL to PHL flight. However, there may be additional charges, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want more details, head to our Customer Service portal.

Travel information

Origin airport
San Carlos
Destination airport
Philadelphia Intl.
Distance
2510 mi

Book with confidence

San Carlos to Philadelphia Flights

The cheapest times to fly from San Carlos 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 Carlos to Philadelphia are during the month of . You can find some of the cheapest flights from San Carlos to Philadelphia with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San Carlos 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 Carlos 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 Carlos 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 Carlos 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 Carlos 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 Carlos to Philadelphia Flights

Explore a world of travel with Expedia

*Available to One Key members.