Cheap Flights from Denver (DEN) to San Carlos (SQL)

Popular airlines from Denver Intl. Airport (DEN) to San Carlos, CA (SQL)

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. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $228
SFO
San Francisco Intl.
Cheapest
Average driving time to city center16 min
Flights from $228
Select flight to Norman Y. Mineta San Jose Intl. SJC. Average driving time to city center is 26 minutes. Flights from $353
SJC
Norman Y. Mineta San Jose Intl.
Average driving time to city center26 min
Flights from $353
Select flight to Oakland Intl. OAK. Average driving time to city center is 32 minutes. Flights from $392
OAK
Oakland Intl.
Average driving time to city center32 min
Flights from $392

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to San Carlos Airport (SQL) cost?
Secure a cheap one-way flight or cheap return flight from Denver Intl. Airport (DEN) to San Carlos Airport (SQL) 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 Denver Intl. Airport (DEN) to San Carlos Airport (SQL)?
The cheapest month to fly from DEN to SQL is , when there's less demand. Off-peak season is often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Denver Intl. Airport (DEN) to San Carlos Airport (SQL)?
To find the cheapest airline that'll fly you from DEN to SQL, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Denver Intl. Airport (DEN) to San Carlos Airport (SQL)?
You'll have to hop on a flight with a layover if you're traveling from Denver Intl. Airport (DEN) to San Carlos Airport (SQL). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from DEN to SQL?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a number of factors, such as the airline 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 Denver Intl. Airport (DEN) to San Carlos Airport (SQL)?
To arrive at San Carlos Airport (SQL) on time, pick a flight that leaves from Denver Intl. Airport (DEN) 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 San Francisco from Denver Intl. Airport (DEN)?
Catch a direct flight from Denver Intl. Airport (DEN) to San Francisco and arrive at any one of these airports:

  • San Francisco Intl. Airport (SFO)
  • Norman Y. Mineta San Jose Intl. Airport (SJC)
  • Oakland Intl. Airport (OAK)

Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to San Carlos Airport (SQL) last-minute?
Last-minute bookings from DEN to SQL are generally more expensive. To lock in the lowest rates, start searching for flights ahead of time. That being said, if you can play around with your travel dates, it's possible to find a cheap ticket right before you leave.
Is it cheaper to book a DEN to SQL flight and hotel package?
Opting for a DEN to SQL flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our wide range of stays and then add car rentals, flights and activities 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 Denver Intl. Airport (DEN) to San Carlos Airport (SQL)?
If you booked your DEN to SQL flight within the last 24 hours, you may be able to modify or cancel it without 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, go to our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Denver Intl.
Destination airport
San Carlos
Distance
960 mi

Book with confidence

Book with confidence

Denver to San Carlos Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Denver 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 Denver 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 Denver 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 Denver 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 Denver 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.

 

Denver to San Carlos Flights

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*Available to One Key members.