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

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

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Alternative airports near San Carlos

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

Select flight to San Francisco Intl. SFO. Average driving time to city center is 16 minutes. Flights from $464
SFO
San Francisco Intl.
Average driving time to city center16 min
Flights from $464
Select flight to Norman Y. Mineta San Jose Intl. SJC. Cheapest option available. Average driving time to city center is 26 minutes. Flights from $426
SJC
Norman Y. Mineta San Jose Intl.
Cheapest
Average driving time to city center26 min
Flights from $426
Select flight to Oakland Intl. OAK. Average driving time to city center is 32 minutes. Flights from $557
OAK
Oakland Intl.
Average driving time to city center32 min
Flights from $557

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to San Carlos Airport (SQL) cost?
Get a cheap one-way flight or cheap return flight from Philadelphia Intl. Airport (PHL) to San Carlos Airport (SQL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to San Carlos Airport (SQL)?
is the least expensive month to fly from PHL to SQL. Planning your trip for the off-season is often the key to finding a great deal.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to San Carlos Airport (SQL)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest PHL to SQL flight.
How many flights per day from Philadelphia Intl. Airport (PHL) to San Carlos Airport (SQL)?
Direct flights from Philadelphia Intl. Airport (PHL) to San Carlos Airport (SQL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PHL to SQL?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to San Carlos Airport (SQL)?
To avoid potential delays on the Philadelphia Intl. Airport (PHL) to San Carlos Airport (SQL) route, travel before 3 PM. Departures after this hour are 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.
What airports do you fly into for San Francisco from Philadelphia Intl. Airport (PHL)?
San Francisco Intl. Airport (SFO) is the only airport in San Francisco with direct flights from Philadelphia Intl. Airport (PHL). Browse the options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to San Carlos Airport (SQL) last-minute?
Booking your ticket from PHL to SQL shortly before your trip is typically more expensive. However, if there's some wiggle room with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a PHL to SQL flight and hotel package?
Compared with arranging hotels and flights separately, booking a PHL to SQL flight and hotel package with Expedia could lead to significant savings. What's more, having it all in one place will take the stress out of planning your trip. Simply secure your flights and select from our extensive range of hotels, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to San Carlos Airport (SQL)?
If you reserved your PHL to SQL flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Travel information

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

Book with confidence

Book with confidence

Philadelphia to San Carlos Flights

The cheapest times to fly from Philadelphia to San Carlos

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

 

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

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

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 Philadelphia to San Carlos in 2025. 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 Philadelphia to San Carlos 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 Philadelphia to San Carlos 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.

 

Philadelphia to San Carlos Flights

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*Available to One Key members.