Cheap Flights from San Carlos (SQL) to San Francisco (SFO)

Popular airlines from San Carlos, CA (SQL) to San Francisco Intl. Airport (SFO)

Frequently asked questions

How much does a flight from San Carlos Airport (SQL) to San Francisco Intl. Airport (SFO) cost?
Get a cheap one-way flight or cheap return flight from San Carlos Airport (SQL) to San Francisco Intl. Airport (SFO) 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 San Francisco Intl. Airport (SFO)?
is the cheapest month to fly from SQL to SFO. Timing your trip outside of the busy season is often the key to better flight prices.
What is the cheapest airline that flies from San Carlos Airport (SQL) to San Francisco Intl. Airport (SFO)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from SQL to SFO. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from San Carlos Airport (SQL) to San Francisco Intl. Airport (SFO)?
Nonstop flights from San Carlos Airport (SQL) to San Francisco Intl. Airport (SFO) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SQL to SFO?
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 San Carlos Airport (SQL) to San Francisco Intl. Airport (SFO)?
Select a flight from San Carlos Airport (SQL) to San Francisco Intl. Airport (SFO) that leaves before 3 PM to reduce the likelihood of delays. Departures later than this 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 San Francisco Intl. Airport (SFO) last-minute?
Last-minute bookings from SQL to SFO are usually more expensive. To lock in the cheapest rates, start searching for flights ahead of time. That being said, if you can play around with your travel dates, you may score a cheap ticket right before you leave.
Is it cheaper to book a SQL to SFO flight and hotel package?
You'll typically save money by booking a SQL to SFO 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 chosen your ideal accommodations and flights, consider adding extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from San Carlos Airport (SQL) to San Francisco Intl. Airport (SFO)?
If you reserved your SQL to SFO flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, 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 for more information.

Travel information

Travel information

Origin airport
San Carlos
Destination airport
San Francisco Intl.
Distance
10 mi

Book with confidence

Book with confidence

San Carlos to San Francisco Flights

The cheapest times to fly from San Carlos to San Francisco

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

 

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

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

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 San Francisco 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 San Carlos to San Francisco 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 San Francisco 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 San Francisco Flights

Explore a world of travel with Expedia

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*Available to One Key members.