Cheap Flights from Santa Rosa (STS) to San Bernardino (SBD)

Popular airlines from Santa Rosa, CA (STS-Sonoma County) to San Bernardino, CA (SBD-San Bernardino Intl.)

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Alternative airports near San Bernardino

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Los Angeles - Ontario Intl. ONT. Cheapest option available. Average driving time to city center is 25 minutes. Flights from $267
ONT
Los Angeles - Ontario Intl.
Cheapest
Average driving time to city center25 min
Flights from $267
Flights from Santa Rosa (STS) to San Bernardino (SBD)
Origin airport
Sonoma County
Destination airport
San Bernardino Intl.
Distance
434 mi

Santa Rosa to San Bernardino Flights

The cheapest times to fly from Santa Rosa to San Bernardino

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

 

The best time to book a flight from Santa Rosa to San Bernardino

Sunday is one of the best days to book for cheap flights from Santa Rosa to San Bernardino: 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 Santa Rosa to San Bernardino

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 Santa Rosa to San Bernardino 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 Santa Rosa to San Bernardino 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 Santa Rosa to San Bernardino 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.

 

Frequently asked questions

How much does a flight from Sonoma County Airport (STS) to San Bernardino, CA (SBD-San Bernardino Intl.) cost?
Discover the latest flight deals from STS to SBD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from STS to SBD?
The cheapest flights from STS to SBD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from STS to SBD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from STS to SBD. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Sonoma County Airport (STS) to San Bernardino, CA (SBD-San Bernardino Intl.)?
You'll have to take a flight with a layover if you're traveling from Sonoma County Airport (STS) to San Bernardino, CA (SBD-San Bernardino Intl.). There are no daily direct flights on this route. However, simply 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 STS to SBD?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based 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 Sonoma County Airport (STS) to San Bernardino, CA (SBD-San Bernardino Intl.)?
To touch down at San Bernardino, CA (SBD-San Bernardino Intl.) without delays, book a flight that takes off from Sonoma County Airport (STS) 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 Bernardino from Sonoma County Airport (STS)?
You can touch down at John Wayne Airport (SNA) or Palm Springs Intl. Airport (PSP) when traveling to San Bernardino on a direct flight from Sonoma County Airport (STS).
Is it cheaper to buy a plane ticket from Sonoma County Airport (STS) to San Bernardino, CA (SBD-San Bernardino Intl.) last-minute?
Booking your ticket from STS to SBD right before your trip is usually more expensive. However, if you're flexible with your departure dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a STS to SBD flight and hotel package?
Compared with arranging flights and hotels separately, booking a STS to SBD flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the hassle out of travel planning. Just secure your flights and choose from our wide range of stays, then tailor your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Sonoma County Airport (STS) to San Bernardino, CA (SBD-San Bernardino Intl.)?
In most instances, you can cancel or modify your STS to SBD flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you'd like further information, go to our Customer Service portal.

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