Cheap Flights from Chicago (ORD) to San Carlos (SQL)

Popular airlines from Chicago O'Hare Intl. Airport (ORD) 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. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $226
SFO
San Francisco Intl.
Cheapest
Average driving time to city center16 min
Flights from $226
Select flight to Norman Y. Mineta San Jose Intl. SJC. Average driving time to city center is 26 minutes. Flights from $447
SJC
Norman Y. Mineta San Jose Intl.
Average driving time to city center26 min
Flights from $447
Select flight to Oakland Intl. OAK. Average driving time to city center is 32 minutes. Flights from $424
OAK
Oakland Intl.
Average driving time to city center32 min
Flights from $424

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to San Carlos Airport (SQL) cost?
Secure a cheap one-way flight or cheap return flight from O'Hare Intl. Airport (ORD) to San Carlos Airport (SQL) 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 O'Hare Intl. Airport (ORD) to San Carlos Airport (SQL)?
Planning your getaway for is a great way to save, as it's the cheapest month for flights between ORD and SQL. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to San Carlos Airport (SQL)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest ORD to SQL flight.
How many flights per day from O'Hare Intl. Airport (ORD) to San Carlos Airport (SQL)?
You'll have to catch a flight with a layover when traveling from O'Hare Intl. Airport (ORD) to San Carlos Airport (SQL). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from ORD to SQL?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the time of year, carrier 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 O'Hare Intl. Airport (ORD) to San Carlos Airport (SQL)?
To touch down at San Carlos Airport (SQL) on schedule, choose a flight that leaves O'Hare Intl. Airport (ORD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 O'Hare Intl. Airport (ORD)?
Hop on a direct flight from O'Hare Intl. Airport (ORD) to San Francisco and land at San Francisco Intl. Airport (SFO). Another point of entry into this destination is Norman Y. Mineta San Jose Intl. Airport (SJC).
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to San Carlos Airport (SQL) last-minute?
Booking your flight from ORD to SQL just before your journey is generally more expensive. But if there's some wiggle room with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book an ORD to SQL flight and hotel package?
Compared with arranging hotels and flights separately, booking an ORD to SQL flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place will take the stress out of planning your trip. Just pick your flights and select from our extensive range of stays, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to San Carlos Airport (SQL)?
In most instances, you're able to cancel or reschedule your ORD to SQL flight. However, additional fees may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you need more information, go to our Customer Service portal.

Travel information

Origin airport
O'Hare Intl.
Destination airport
San Carlos
Distance
1837 mi

Book with confidence

Chicago to San Carlos Flights

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

 

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

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

 

Chicago to San Carlos Flights

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*Available to One Key members.