Cheap Flights from Bellingham (BLI) to San Carlos (SQL)

Popular airlines from Bellingham, WA (BLI-Bellingham Intl.) 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 Norman Y. Mineta San Jose Intl. SJC. Cheapest option available. Average driving time to city center is 26 minutes. Flights from $485
SJC
Norman Y. Mineta San Jose Intl.
Cheapest
Average driving time to city center26 min
Flights from $485
Select flight to Oakland Intl. OAK. Average driving time to city center is 32 minutes. Flights from $648
OAK
Oakland Intl.
Average driving time to city center32 min
Flights from $648

Frequently asked questions

How much does a flight from Bellingham Intl. Airport (BLI) to San Carlos Airport (SQL) cost?
Lock in a cheap one-way flight or cheap return flight from Bellingham Intl. Airport (BLI) 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 Bellingham Intl. Airport (BLI) to San Carlos Airport (SQL)?
The cheapest month to fly from BLI to SQL is , when there's less demand. Off-peak season is often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Bellingham Intl. Airport (BLI) to San Carlos Airport (SQL)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest BLI to SQL flight.
How many flights per day from Bellingham Intl. Airport (BLI) to San Carlos Airport (SQL)?
There are no daily direct flights from Bellingham Intl. Airport (BLI) to San Carlos Airport (SQL). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from BLI to SQL?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bellingham Intl. Airport (BLI) to San Carlos Airport (SQL)?
To avoid possible delays on the Bellingham Intl. Airport (BLI) to San Carlos Airport (SQL) route, aim to fly before 3 PM. Later flights have a 22% higher chance of being 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 Bellingham Intl. Airport (BLI)?
Oakland Intl. Airport (OAK) is the only airport in San Francisco with direct flights from Bellingham Intl. Airport (BLI). Consider your options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Bellingham Intl. Airport (BLI) to San Carlos Airport (SQL) last-minute?
Waiting until just before your departure to book your flight from BLI to SQL generally means paying more. Although you may find some last-minute discounts, there's no guarantee. Keep your travel plans flexible for a better chance of getting a bargain.
Is it cheaper to book a BLI to SQL flight and hotel package?
Securing a BLI to SQL flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our impressive range of stays and then add flights, car rentals 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 Bellingham Intl. Airport (BLI) to San Carlos Airport (SQL)?
If you booked your BLI to SQL flight in 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 purchased, 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 if you'd like more information.

Travel information

Origin airport
Bellingham Intl.
Destination airport
San Carlos
Distance
779 mi

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Bellingham to San Carlos Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Bellingham 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 Bellingham 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 Bellingham to San Carlos in 2026. 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 Bellingham 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 Bellingham 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.

 

Bellingham to San Carlos Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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