Cheap Flights from St. Louis (STL) to San Bernardino (SBD)

Popular airlines from St. Louis Lambert Intl. Airport (STL) 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 $349
ONT
Los Angeles - Ontario Intl.
Cheapest
Average driving time to city center25 min
Flights from $349

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to San Bernardino, CA (SBD-San Bernardino Intl.) cost?
Lock in a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to San Bernardino, CA (SBD-San Bernardino Intl.) 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 Lambert-St. Louis Intl. Airport (STL) to San Bernardino, CA (SBD-San Bernardino Intl.)?
Planning your getaway for may help you find better deals, as it's the cheapest month for flights between STL and SBD. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to San Bernardino, CA (SBD-San Bernardino Intl.)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest STL to SBD flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to San Bernardino, CA (SBD-San Bernardino Intl.)?
You'll need to book a flight with a layover if you're traveling from Lambert-St. Louis Intl. Airport (STL) to San Bernardino, CA (SBD-San Bernardino Intl.). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from STL to SBD?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to San Bernardino, CA (SBD-San Bernardino Intl.)?
To avoid possible delays on the Lambert-St. Louis Intl. Airport (STL) to San Bernardino, CA (SBD-San Bernardino Intl.) route, aim to travel before 3 PM. Flights after this time are 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 Bernardino from Lambert-St. Louis Intl. Airport (STL)?
Check out your flight options from Lambert-St. Louis Intl. Airport (STL) to Long Beach Municipal Airport (LGB). This is the only airport in San Bernardino you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to San Bernardino, CA (SBD-San Bernardino Intl.) last-minute?
Last-minute bookings from STL to SBD are typically more expensive. To secure the best rates, start searching for flights as soon as possible. That being said, if you can play around with your travel dates, you may score a cheap ticket right before your journey.
Is it cheaper to book a STL to SBD flight and hotel package?
Compared with arranging hotels and flights separately, booking a STL to SBD flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the hassle out of travel planning. Just pick your flights and select from our wide range of stays, then customize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to San Bernardino, CA (SBD-San Bernardino Intl.)?
If you reserved your STL to SBD flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
San Bernardino Intl.
Distance
1522 mi

Book with confidence

Book with confidence

St. Louis to San Bernardino Flights

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

 

The best time to book a flight from St. Louis to San Bernardino

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

 

St. Louis to San Bernardino Flights

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*Available to One Key members.