Cheap Flights from Boise (BOI) to San Carlos (SQL)

Popular airlines from Boise Airport (BOI) 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 $262
SFO
San Francisco Intl.
Average driving time to city center16 min
Flights from $262
Select flight to Norman Y. Mineta San Jose Intl. SJC. Cheapest option available. Average driving time to city center is 26 minutes. Flights from $237
SJC
Norman Y. Mineta San Jose Intl.
Cheapest
Average driving time to city center26 min
Flights from $237
Select flight to Oakland Intl. OAK. Average driving time to city center is 32 minutes. Flights from $346
OAK
Oakland Intl.
Average driving time to city center32 min
Flights from $346

Frequently asked questions

How much does a flight from Boise Airport (BOI) to San Carlos Airport (SQL) cost?
Secure a cheap one-way flight or cheap return flight from Boise Airport (BOI) 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 Boise Airport (BOI) to San Carlos Airport (SQL)?
The cheapest month to fly from BOI to SQL is , when demand is low. Off-peak months are often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Boise Airport (BOI) to San Carlos Airport (SQL)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from BOI to SQL. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Boise Airport (BOI) to San Carlos Airport (SQL)?
There are no daily direct flights departing from Boise Airport (BOI) to San Carlos Airport (SQL). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from BOI to SQL?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary based on the airline, season 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 Boise Airport (BOI) to San Carlos Airport (SQL)?
Choose a flight from Boise Airport (BOI) to San Carlos Airport (SQL) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 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 Boise Airport (BOI)?
Touch down at any of these San Francisco airports following your direct flight from Boise Airport (BOI):

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

Is it cheaper to buy a plane ticket from Boise Airport (BOI) to San Carlos Airport (SQL) last-minute?
Booking your flight from BOI to SQL shortly before your getaway is generally more expensive. But if you're flexible with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book a BOI to SQL flight and hotel package?
Compared with arranging flights and hotels separately, booking a BOI 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 hassle out of travel planning. Simply pick your flights and choose from our extensive range of stays, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Boise Airport (BOI) to San Carlos Airport (SQL)?
In most instances, you can reschedule or cancel your BOI to SQL flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need further information, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Boise
Destination airport
San Carlos
Distance
524 mi

Book with confidence

Book with confidence

Boise to San Carlos Flights

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

 

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

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

 

Boise to San Carlos Flights

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*Available to One Key members.