Cheap Flights from St. Louis (STL) to Napa (APC)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Napa, CA (APC-Napa Valley)

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Napa, CA (APC-Napa Valley) cost?
Secure a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Napa, CA (APC-Napa Valley) 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 Napa, CA (APC-Napa Valley)?
The cheapest month to fly from STL to APC is , when there's less demand. Off-peak months are generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Napa, CA (APC-Napa Valley)?
To find the cheapest airline flying from STL to APC, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Napa, CA (APC-Napa Valley)?
You'll have to book a flight with a layover if you're traveling from Lambert-St. Louis Intl. Airport (STL) to Napa, CA (APC-Napa Valley). Direct flights don't operate daily on this route. However, just 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 STL to APC?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the season, airline 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 Lambert-St. Louis Intl. Airport (STL) to Napa, CA (APC-Napa Valley)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Napa, CA (APC-Napa Valley) route, fly before 3 PM. Flights after this time 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 Napa from Lambert-St. Louis Intl. Airport (STL)?
Hop on a direct flight from Lambert-St. Louis Intl. Airport (STL) to Napa and touch down at San Francisco Intl. Airport (SFO). Another gateway to this city is Sacramento Intl. Airport (SMF).
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Napa, CA (APC-Napa Valley) last-minute?
Booking your ticket from STL to APC right before your getaway is generally more expensive. However, if you're flexible with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a STL to APC flight and hotel package?
Compared with arranging hotels and flights separately, booking a STL to APC flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place takes the hassle out of planning your trip. Just secure your flights and select from our extensive range of hotels, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Napa, CA (APC-Napa Valley)?
If you booked your STL to APC 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 have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Napa Valley
Distance
1717 mi

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St. Louis to Napa Flights

The cheapest times to fly from St. Louis to Napa

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

 

The best time to book a flight from St. Louis to Napa

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

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 Napa 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 Napa 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 Napa 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 Napa Flights

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*Available to One Key members.