Cheap Flights from St. Louis (STL) to San Carlos (NCR)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to San Carlos (NCR)

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Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to San Carlos (NCR) cost?
Get a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to San Carlos (NCR) 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 Carlos (NCR)?
Traveling in may help you find better deals, as it's the cheapest month for flights between STL and NCR. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to San Carlos (NCR)?
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 find the carrier with the cheapest STL to NCR flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to San Carlos (NCR)?
You'll need to hop on a flight with a layover when traveling from Lambert-St. Louis Intl. Airport (STL) to San Carlos (NCR). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from STL to NCR?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change 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 Carlos (NCR)?
To avoid possible delays on the Lambert-St. Louis Intl. Airport (STL) to San Carlos (NCR) route, 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.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to San Carlos (NCR) last-minute?
Holding off until just before your trip to book a ticket from STL to NCR generally means paying more. While you might find some last-minute discounts, they're not always guaranteed. Keep your travel plans flexible for the best chance of scoring a bargain.
Is it cheaper to book a STL to NCR flight and hotel package?
Compared with arranging hotels and flights separately, booking a STL to NCR flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place takes the hassle out of travel planning. Simply secure your flights and select from our extensive range of stays, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to San Carlos (NCR)?
You can usually reschedule or cancel your STL to NCR flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
San Carlos
Distance
1938 mi

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St. Louis to San Carlos Flights

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

 

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

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

 

St. Louis to San Carlos Flights

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*Available to One Key members.